diff options
Diffstat (limited to 'tools')
163 files changed, 8135 insertions, 3782 deletions
diff --git a/tools/Makefile b/tools/Makefile index 3ae43947a171..1f9a529fe544 100644 --- a/tools/Makefile +++ b/tools/Makefile @@ -31,44 +31,44 @@ help: @echo ' clean: a summary clean target to clean _all_ folders' cpupower: FORCE - $(QUIET_SUBDIR0)power/$@/ $(QUIET_SUBDIR1) + $(call descend,power/$@) firewire lguest perf usb virtio vm: FORCE - $(QUIET_SUBDIR0)$@/ $(QUIET_SUBDIR1) + $(call descend,$@) selftests: FORCE - $(QUIET_SUBDIR0)testing/$@/ $(QUIET_SUBDIR1) + $(call descend,testing/$@) turbostat x86_energy_perf_policy: FORCE - $(QUIET_SUBDIR0)power/x86/$@/ $(QUIET_SUBDIR1) + $(call descend,power/x86/$@) cpupower_install: - $(QUIET_SUBDIR0)power/$(@:_install=)/ $(QUIET_SUBDIR1) install + $(call descend,power/$(@:_install=),install) firewire_install lguest_install perf_install usb_install virtio_install vm_install: - $(QUIET_SUBDIR0)$(@:_install=)/ $(QUIET_SUBDIR1) install + $(call descend,$(@:_install=),install) selftests_install: - $(QUIET_SUBDIR0)testing/$(@:_clean=)/ $(QUIET_SUBDIR1) install + $(call descend,testing/$(@:_clean=),install) turbostat_install x86_energy_perf_policy_install: - $(QUIET_SUBDIR0)power/x86/$(@:_install=)/ $(QUIET_SUBDIR1) install + $(call descend,power/x86/$(@:_install=),install) install: cpupower_install firewire_install lguest_install perf_install \ selftests_install turbostat_install usb_install virtio_install \ vm_install x86_energy_perf_policy_install cpupower_clean: - $(QUIET_SUBDIR0)power/cpupower/ $(QUIET_SUBDIR1) clean + $(call descend,power/cpupower,clean) firewire_clean lguest_clean perf_clean usb_clean virtio_clean vm_clean: - $(QUIET_SUBDIR0)$(@:_clean=)/ $(QUIET_SUBDIR1) clean + $(call descend,$(@:_clean=),clean) selftests_clean: - $(QUIET_SUBDIR0)testing/$(@:_clean=)/ $(QUIET_SUBDIR1) clean + $(call descend,testing/$(@:_clean=),clean) turbostat_clean x86_energy_perf_policy_clean: - $(QUIET_SUBDIR0)power/x86/$(@:_clean=)/ $(QUIET_SUBDIR1) clean + $(call descend,power/x86/$(@:_clean=),clean) clean: cpupower_clean firewire_clean lguest_clean perf_clean selftests_clean \ turbostat_clean usb_clean virtio_clean vm_clean \ diff --git a/tools/firewire/nosy-dump.c b/tools/firewire/nosy-dump.c index f93b776370b6..3179c711bd65 100644 --- a/tools/firewire/nosy-dump.c +++ b/tools/firewire/nosy-dump.c @@ -150,6 +150,8 @@ subaction_create(uint32_t *data, size_t length) /* we put the ack in the subaction struct for easy access. */ sa = malloc(sizeof *sa - sizeof sa->packet + length); + if (!sa) + exit(EXIT_FAILURE); sa->ack = data[length / 4 - 1]; sa->length = length; memcpy(&sa->packet, data, length); @@ -180,6 +182,8 @@ link_transaction_lookup(int request_node, int response_node, int tlabel) } t = malloc(sizeof *t); + if (!t) + exit(EXIT_FAILURE); t->request_node = request_node; t->response_node = response_node; t->tlabel = tlabel; diff --git a/tools/hv/hv_kvp_daemon.c b/tools/hv/hv_kvp_daemon.c index 5959affd8820..d25a46925e61 100644 --- a/tools/hv/hv_kvp_daemon.c +++ b/tools/hv/hv_kvp_daemon.c @@ -43,6 +43,7 @@ #include <sys/stat.h> #include <fcntl.h> #include <dirent.h> +#include <net/if.h> /* * KVP protocol: The user mode component first registers with the @@ -88,6 +89,7 @@ static char *os_major = ""; static char *os_minor = ""; static char *processor_arch; static char *os_build; +static char *os_version; static char *lic_version = "Unknown version"; static struct utsname uts_buf; @@ -297,7 +299,7 @@ static int kvp_file_init(void) return 0; } -static int kvp_key_delete(int pool, __u8 *key, int key_size) +static int kvp_key_delete(int pool, const char *key, int key_size) { int i; int j, k; @@ -340,7 +342,7 @@ static int kvp_key_delete(int pool, __u8 *key, int key_size) return 1; } -static int kvp_key_add_or_modify(int pool, __u8 *key, int key_size, __u8 *value, +static int kvp_key_add_or_modify(int pool, const char *key, int key_size, const char *value, int value_size) { int i; @@ -394,7 +396,7 @@ static int kvp_key_add_or_modify(int pool, __u8 *key, int key_size, __u8 *value, return 0; } -static int kvp_get_value(int pool, __u8 *key, int key_size, __u8 *value, +static int kvp_get_value(int pool, const char *key, int key_size, char *value, int value_size) { int i; @@ -426,8 +428,8 @@ static int kvp_get_value(int pool, __u8 *key, int key_size, __u8 *value, return 1; } -static int kvp_pool_enumerate(int pool, int index, __u8 *key, int key_size, - __u8 *value, int value_size) +static int kvp_pool_enumerate(int pool, int index, char *key, int key_size, + char *value, int value_size) { struct kvp_record *record; @@ -453,7 +455,9 @@ void kvp_get_os_info(void) char *p, buf[512]; uname(&uts_buf); - os_build = uts_buf.release; + os_version = uts_buf.release; + os_build = strdup(uts_buf.release); + os_name = uts_buf.sysname; processor_arch = uts_buf.machine; @@ -462,7 +466,7 @@ void kvp_get_os_info(void) * string to be of the form: x.y.z * Strip additional information we may have. */ - p = strchr(os_build, '-'); + p = strchr(os_version, '-'); if (p) *p = '\0'; @@ -879,7 +883,7 @@ static int kvp_process_ip_address(void *addrp, addr_length = INET6_ADDRSTRLEN; } - if ((length - *offset) < addr_length + 1) + if ((length - *offset) < addr_length + 2) return HV_E_FAIL; if (str == NULL) { strcpy(buffer, "inet_ntop failed\n"); @@ -887,11 +891,13 @@ static int kvp_process_ip_address(void *addrp, } if (*offset == 0) strcpy(buffer, tmp); - else + else { + strcat(buffer, ";"); strcat(buffer, tmp); - strcat(buffer, ";"); + } *offset += strlen(str) + 1; + return 0; } @@ -953,7 +959,9 @@ kvp_get_ip_info(int family, char *if_name, int op, * supported address families; if not we gather info on * the specified address family. */ - if ((family != 0) && (curp->ifa_addr->sa_family != family)) { + if ((((family != 0) && + (curp->ifa_addr->sa_family != family))) || + (curp->ifa_flags & IFF_LOOPBACK)) { curp = curp->ifa_next; continue; } @@ -1478,13 +1486,19 @@ int main(void) len = recvfrom(fd, kvp_recv_buffer, sizeof(kvp_recv_buffer), 0, addr_p, &addr_l); - if (len < 0 || addr.nl_pid) { + if (len < 0) { syslog(LOG_ERR, "recvfrom failed; pid:%u error:%d %s", addr.nl_pid, errno, strerror(errno)); close(fd); return -1; } + if (addr.nl_pid) { + syslog(LOG_WARNING, "Received packet from untrusted pid:%u", + addr.nl_pid); + continue; + } + incoming_msg = (struct nlmsghdr *)kvp_recv_buffer; incoming_cn_msg = (struct cn_msg *)NLMSG_DATA(incoming_msg); hv_msg = (struct hv_kvp_msg *)incoming_cn_msg->data; @@ -1649,7 +1663,7 @@ int main(void) strcpy(key_name, "OSMinorVersion"); break; case OSVersion: - strcpy(key_value, os_build); + strcpy(key_value, os_version); strcpy(key_name, "OSVersion"); break; case ProcessorArchitecture: diff --git a/tools/lib/traceevent/Makefile b/tools/lib/traceevent/Makefile index 04d959fa0226..a20e32033431 100644 --- a/tools/lib/traceevent/Makefile +++ b/tools/lib/traceevent/Makefile @@ -253,7 +253,7 @@ all_deps := $(all_objs:%.o=.%.d) # let .d file also depends on the source and header files define check_deps @set -e; $(RM) $@; \ - $(CC) -M $(CFLAGS) $< > $@.$$$$; \ + $(CC) -MM $(CFLAGS) $< > $@.$$$$; \ sed 's,\($*\)\.o[ :]*,\1.o $@ : ,g' < $@.$$$$ > $@; \ $(RM) $@.$$$$ endef diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c index f2989c525e48..5a824e355d04 100644 --- a/tools/lib/traceevent/event-parse.c +++ b/tools/lib/traceevent/event-parse.c @@ -174,7 +174,7 @@ static int cmdline_init(struct pevent *pevent) return 0; } -static char *find_cmdline(struct pevent *pevent, int pid) +static const char *find_cmdline(struct pevent *pevent, int pid) { const struct cmdline *comm; struct cmdline key; @@ -2637,7 +2637,7 @@ process_func_handler(struct event_format *event, struct pevent_function_handler struct print_arg *farg; enum event_type type; char *token; - char *test; + const char *test; int i; arg->type = PRINT_FUNC; @@ -3889,7 +3889,7 @@ static void print_mac_arg(struct trace_seq *s, int mac, void *data, int size, struct event_format *event, struct print_arg *arg) { unsigned char *buf; - char *fmt = "%.2x:%.2x:%.2x:%.2x:%.2x:%.2x"; + const char *fmt = "%.2x:%.2x:%.2x:%.2x:%.2x:%.2x"; if (arg->type == PRINT_FUNC) { process_defined_func(s, data, size, event, arg); @@ -3931,7 +3931,8 @@ static int is_printable_array(char *p, unsigned int len) return 1; } -static void print_event_fields(struct trace_seq *s, void *data, int size, +static void print_event_fields(struct trace_seq *s, void *data, + int size __maybe_unused, struct event_format *event) { struct format_field *field; @@ -4408,7 +4409,7 @@ void pevent_event_info(struct trace_seq *s, struct event_format *event, void pevent_print_event(struct pevent *pevent, struct trace_seq *s, struct pevent_record *record) { - static char *spaces = " "; /* 20 spaces */ + static const char *spaces = " "; /* 20 spaces */ struct event_format *event; unsigned long secs; unsigned long usecs; @@ -5070,8 +5071,8 @@ static const char * const pevent_error_str[] = { }; #undef _PE -int pevent_strerror(struct pevent *pevent, enum pevent_errno errnum, - char *buf, size_t buflen) +int pevent_strerror(struct pevent *pevent __maybe_unused, + enum pevent_errno errnum, char *buf, size_t buflen) { int idx; const char *msg; @@ -5100,6 +5101,7 @@ int pevent_strerror(struct pevent *pevent, enum pevent_errno errnum, case PEVENT_ERRNO__READ_FORMAT_FAILED: case PEVENT_ERRNO__READ_PRINT_FAILED: case PEVENT_ERRNO__OLD_FTRACE_ARG_FAILED: + case PEVENT_ERRNO__INVALID_ARG_TYPE: snprintf(buf, buflen, "%s", msg); break; @@ -5362,7 +5364,7 @@ int pevent_register_print_function(struct pevent *pevent, if (type == PEVENT_FUNC_ARG_VOID) break; - if (type < 0 || type >= PEVENT_FUNC_ARG_MAX_TYPES) { + if (type >= PEVENT_FUNC_ARG_MAX_TYPES) { do_warning("Invalid argument type %d", type); ret = PEVENT_ERRNO__INVALID_ARG_TYPE; goto out_free; @@ -5560,7 +5562,7 @@ void pevent_free(struct pevent *pevent) } if (pevent->func_map) { - for (i = 0; i < pevent->func_count; i++) { + for (i = 0; i < (int)pevent->func_count; i++) { free(pevent->func_map[i].func); free(pevent->func_map[i].mod); } @@ -5582,7 +5584,7 @@ void pevent_free(struct pevent *pevent) } if (pevent->printk_map) { - for (i = 0; i < pevent->printk_count; i++) + for (i = 0; i < (int)pevent->printk_count; i++) free(pevent->printk_map[i].printk); free(pevent->printk_map); } diff --git a/tools/perf/Documentation/Makefile b/tools/perf/Documentation/Makefile index 9f2e44f2b17a..ef6d22e879eb 100644 --- a/tools/perf/Documentation/Makefile +++ b/tools/perf/Documentation/Makefile @@ -1,3 +1,5 @@ +include ../config/utilities.mak + OUTPUT := ./ ifeq ("$(origin O)", "command line") ifneq ($(O),) @@ -64,6 +66,7 @@ MAKEINFO=makeinfo INSTALL_INFO=install-info DOCBOOK2X_TEXI=docbook2x-texi DBLATEX=dblatex +XMLTO=xmlto ifndef PERL_PATH PERL_PATH = /usr/bin/perl endif @@ -71,6 +74,16 @@ endif -include ../config.mak.autogen -include ../config.mak +_tmp_tool_path := $(call get-executable,$(ASCIIDOC)) +ifeq ($(_tmp_tool_path),) + missing_tools = $(ASCIIDOC) +endif + +_tmp_tool_path := $(call get-executable,$(XMLTO)) +ifeq ($(_tmp_tool_path),) + missing_tools += $(XMLTO) +endif + # # For asciidoc ... # -7.1.2, no extra settings are needed. @@ -170,7 +183,12 @@ pdf: $(OUTPUT)user-manual.pdf install: install-man -install-man: man +check-man-tools: +ifdef missing_tools + $(error "You need to install $(missing_tools) for man pages") +endif + +do-install-man: man $(INSTALL) -d -m 755 $(DESTDIR)$(man1dir) # $(INSTALL) -d -m 755 $(DESTDIR)$(man5dir) # $(INSTALL) -d -m 755 $(DESTDIR)$(man7dir) @@ -178,6 +196,15 @@ install-man: man # $(INSTALL) -m 644 $(DOC_MAN5) $(DESTDIR)$(man5dir) # $(INSTALL) -m 644 $(DOC_MAN7) $(DESTDIR)$(man7dir) +install-man: check-man-tools man + +try-install-man: +ifdef missing_tools + $(warning Please install $(missing_tools) to have the man pages installed) +else + $(MAKE) do-install-man +endif + install-info: info $(INSTALL) -d -m 755 $(DESTDIR)$(infodir) $(INSTALL) -m 644 $(OUTPUT)perf.info $(OUTPUT)perfman.info $(DESTDIR)$(infodir) @@ -246,7 +273,7 @@ $(MAN_HTML): $(OUTPUT)%.html : %.txt $(OUTPUT)%.1 $(OUTPUT)%.5 $(OUTPUT)%.7 : $(OUTPUT)%.xml $(QUIET_XMLTO)$(RM) $@ && \ - xmlto -o $(OUTPUT) -m $(MANPAGE_XSL) $(XMLTO_EXTRA) man $< + $(XMLTO) -o $(OUTPUT) -m $(MANPAGE_XSL) $(XMLTO_EXTRA) man $< $(OUTPUT)%.xml : %.txt $(QUIET_ASCIIDOC)$(RM) $@+ $@ && \ diff --git a/tools/perf/Documentation/android.txt b/tools/perf/Documentation/android.txt new file mode 100644 index 000000000000..8484c3a04a6a --- /dev/null +++ b/tools/perf/Documentation/android.txt @@ -0,0 +1,78 @@ +How to compile perf for Android +========================================= + +I. Set the Android NDK environment +------------------------------------------------ + +(a). Use the Android NDK +------------------------------------------------ +1. You need to download and install the Android Native Development Kit (NDK). +Set the NDK variable to point to the path where you installed the NDK: + export NDK=/path/to/android-ndk + +2. Set cross-compiling environment variables for NDK toolchain and sysroot. +For arm: + export NDK_TOOLCHAIN=${NDK}/toolchains/arm-linux-androideabi-4.6/prebuilt/linux-x86/bin/arm-linux-androideabi- + export NDK_SYSROOT=${NDK}/platforms/android-9/arch-arm +For x86: + export NDK_TOOLCHAIN=${NDK}/toolchains/x86-4.6/prebuilt/linux-x86/bin/i686-linux-android- + export NDK_SYSROOT=${NDK}/platforms/android-9/arch-x86 + +This method is not working for Android NDK versions up to Revision 8b. +perf uses some bionic enhancements that are not included in these NDK versions. +You can use method (b) described below instead. + +(b). Use the Android source tree +----------------------------------------------- +1. Download the master branch of the Android source tree. +Set the environment for the target you want using: + source build/envsetup.sh + lunch + +2. Build your own NDK sysroot to contain latest bionic changes and set the +NDK sysroot environment variable. + cd ${ANDROID_BUILD_TOP}/ndk +For arm: + ./build/tools/build-ndk-sysroot.sh --abi=arm + export NDK_SYSROOT=${ANDROID_BUILD_TOP}/ndk/build/platforms/android-3/arch-arm +For x86: + ./build/tools/build-ndk-sysroot.sh --abi=x86 + export NDK_SYSROOT=${ANDROID_BUILD_TOP}/ndk/build/platforms/android-3/arch-x86 + +3. Set the NDK toolchain environment variable. +For arm: + export NDK_TOOLCHAIN=${ANDROID_TOOLCHAIN}/arm-linux-androideabi- +For x86: + export NDK_TOOLCHAIN=${ANDROID_TOOLCHAIN}/i686-linux-android- + +II. Compile perf for Android +------------------------------------------------ +You need to run make with the NDK toolchain and sysroot defined above: +For arm: + make ARCH=arm CROSS_COMPILE=${NDK_TOOLCHAIN} CFLAGS="--sysroot=${NDK_SYSROOT}" +For x86: + make ARCH=x86 CROSS_COMPILE=${NDK_TOOLCHAIN} CFLAGS="--sysroot=${NDK_SYSROOT}" + +III. Install perf +----------------------------------------------- +You need to connect to your Android device/emulator using adb. +Install perf using: + adb push perf /data/perf + +If you also want to use perf-archive you need busybox tools for Android. +For installing perf-archive, you first need to replace #!/bin/bash with #!/system/bin/sh: + sed 's/#!\/bin\/bash/#!\/system\/bin\/sh/g' perf-archive >> /tmp/perf-archive + chmod +x /tmp/perf-archive + adb push /tmp/perf-archive /data/perf-archive + +IV. Environment settings for running perf +------------------------------------------------ +Some perf features need environment variables to run properly. +You need to set these before running perf on the target: + adb shell + # PERF_PAGER=cat + +IV. Run perf +------------------------------------------------ +Run perf on your device/emulator to which you previously connected using adb: + # ./data/perf diff --git a/tools/perf/Documentation/perf-diff.txt b/tools/perf/Documentation/perf-diff.txt index ab7f667de1b1..194f37d635df 100644 --- a/tools/perf/Documentation/perf-diff.txt +++ b/tools/perf/Documentation/perf-diff.txt @@ -72,6 +72,66 @@ OPTIONS --symfs=<directory>:: Look for files with symbols relative to this directory. +-b:: +--baseline-only:: + Show only items with match in baseline. + +-c:: +--compute:: + Differential computation selection - delta,ratio,wdiff (default is delta). + If '+' is specified as a first character, the output is sorted based + on the computation results. + See COMPARISON METHODS section for more info. + +-p:: +--period:: + Show period values for both compared hist entries. + +-F:: +--formula:: + Show formula for given computation. + +COMPARISON METHODS +------------------ +delta +~~~~~ +If specified the 'Delta' column is displayed with value 'd' computed as: + + d = A->period_percent - B->period_percent + +with: + - A/B being matching hist entry from first/second file specified + (or perf.data/perf.data.old) respectively. + + - period_percent being the % of the hist entry period value within + single data file + +ratio +~~~~~ +If specified the 'Ratio' column is displayed with value 'r' computed as: + + r = A->period / B->period + +with: + - A/B being matching hist entry from first/second file specified + (or perf.data/perf.data.old) respectively. + + - period being the hist entry period value + +wdiff +~~~~~ +If specified the 'Weighted diff' column is displayed with value 'd' computed as: + + d = B->period * WEIGHT-A - A->period * WEIGHT-B + + - A/B being matching hist entry from first/second file specified + (or perf.data/perf.data.old) respectively. + + - period being the hist entry period value + + - WEIGHT-A/WEIGHT-B being user suplied weights in the the '-c' option + behind ':' separator like '-c wdiff:1,2'. + SEE ALSO -------- linkperf:perf-record[1] diff --git a/tools/perf/Documentation/perf-inject.txt b/tools/perf/Documentation/perf-inject.txt index 025630d43cd2..a00a34276c54 100644 --- a/tools/perf/Documentation/perf-inject.txt +++ b/tools/perf/Documentation/perf-inject.txt @@ -29,6 +29,17 @@ OPTIONS -v:: --verbose:: Be more verbose. +-i:: +--input=:: + Input file name. (default: stdin) +-o:: +--output=:: + Output file name. (default: stdout) +-s:: +--sched-stat:: + Merge sched_stat and sched_switch for getting events where and how long + tasks slept. sched_switch contains a callchain where a task slept and + sched_stat contains a timeslice how long a task slept. SEE ALSO -------- diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt index b38a1f9ad460..938e8904f64d 100644 --- a/tools/perf/Documentation/perf-record.txt +++ b/tools/perf/Documentation/perf-record.txt @@ -175,7 +175,7 @@ following filters are defined: + The option requires at least one branch type among any, any_call, any_ret, ind_call. -The privilege levels may be ommitted, in which case, the privilege levels of the associated +The privilege levels may be omitted, in which case, the privilege levels of the associated event are applied to the branch filter. Both kernel (k) and hypervisor (hv) privilege levels are subject to permissions. When sampling on multiple events, branch stack sampling is enabled for all the sampling events. The sampled branch type is the same for all events. diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt index 2fa173b51970..cf0c3107e06e 100644 --- a/tools/perf/Documentation/perf-stat.txt +++ b/tools/perf/Documentation/perf-stat.txt @@ -108,6 +108,11 @@ with it. --append may be used here. Examples: 3>results perf stat --log-fd 3 -- $cmd 3>>results perf stat --log-fd 3 --append -- $cmd +--pre:: +--post:: + Pre and post measurement hooks, e.g.: + +perf stat --repeat 10 --null --sync --pre 'make -s O=defconfig-build/clean' -- make -s -j64 O=defconfig-build/ bzImage EXAMPLES diff --git a/tools/perf/Documentation/perf-trace.txt b/tools/perf/Documentation/perf-trace.txt index 3a2ae37310a9..68718ccdd178 100644 --- a/tools/perf/Documentation/perf-trace.txt +++ b/tools/perf/Documentation/perf-trace.txt @@ -48,6 +48,12 @@ comma-separated list with no space: 0,1. Ranges of CPUs are specified with -: 0- In per-thread mode with inheritance mode on (default), Events are captured only when the thread executes on the designated CPUs. Default is to monitor all CPUs. +--duration: + Show only events that had a duration greater than N.M ms. + +--sched: + Accrue thread runtime and provide a summary at the end of the session. + SEE ALSO -------- linkperf:perf-record[1], linkperf:perf-script[1] diff --git a/tools/perf/Makefile b/tools/perf/Makefile index 00deed4d6159..891bc77bdb2c 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -155,23 +155,58 @@ SPARSE_FLAGS = -D__BIG_ENDIAN__ -D__powerpc__ -include config/feature-tests.mak -ifeq ($(call try-cc,$(SOURCE_HELLO),-Werror -fstack-protector-all),y) +ifeq ($(call try-cc,$(SOURCE_HELLO),$(CFLAGS) -Werror -fstack-protector-all,-fstack-protector-all),y) CFLAGS := $(CFLAGS) -fstack-protector-all endif -ifeq ($(call try-cc,$(SOURCE_HELLO),-Werror -Wstack-protector),y) +ifeq ($(call try-cc,$(SOURCE_HELLO),$(CFLAGS) -Werror -Wstack-protector,-Wstack-protector),y) CFLAGS := $(CFLAGS) -Wstack-protector endif -ifeq ($(call try-cc,$(SOURCE_HELLO),-Werror -Wvolatile-register-var),y) +ifeq ($(call try-cc,$(SOURCE_HELLO),$(CFLAGS) -Werror -Wvolatile-register-var,-Wvolatile-register-var),y) CFLAGS := $(CFLAGS) -Wvolatile-register-var endif ### --- END CONFIGURATION SECTION --- -BASIC_CFLAGS = -Iutil/include -Iarch/$(ARCH)/include -I$(OUTPUT)util -I$(TRACE_EVENT_DIR) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE +ifeq ($(srctree),) +srctree := $(patsubst %/,%,$(dir $(shell pwd))) +srctree := $(patsubst %/,%,$(dir $(srctree))) +#$(info Determined 'srctree' to be $(srctree)) +endif + +ifneq ($(objtree),) +#$(info Determined 'objtree' to be $(objtree)) +endif + +ifneq ($(OUTPUT),) +#$(info Determined 'OUTPUT' to be $(OUTPUT)) +endif + +BASIC_CFLAGS = \ + -Iutil/include \ + -Iarch/$(ARCH)/include \ + $(if $(objtree),-I$(objtree)/arch/$(ARCH)/include/generated/uapi) \ + -I$(srctree)/arch/$(ARCH)/include/uapi \ + -I$(srctree)/arch/$(ARCH)/include \ + $(if $(objtree),-I$(objtree)/include/generated/uapi) \ + -I$(srctree)/include/uapi \ + -I$(srctree)/include \ + -I$(OUTPUT)util \ + -Iutil \ + -I. \ + -I$(TRACE_EVENT_DIR) \ + -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE + BASIC_LDFLAGS = +ifeq ($(call try-cc,$(SOURCE_BIONIC),$(CFLAGS),bionic),y) + BIONIC := 1 + EXTLIBS := $(filter-out -lrt,$(EXTLIBS)) + EXTLIBS := $(filter-out -lpthread,$(EXTLIBS)) + BASIC_CFLAGS += -I. +endif + # Guard against environment variables BUILTIN_OBJS = LIB_H = @@ -303,6 +338,7 @@ LIB_H += util/evlist.h LIB_H += util/exec_cmd.h LIB_H += util/types.h LIB_H += util/levenshtein.h +LIB_H += util/machine.h LIB_H += util/map.h LIB_H += util/parse-options.h LIB_H += util/parse-events.h @@ -319,6 +355,7 @@ LIB_H += util/svghelper.h LIB_H += util/tool.h LIB_H += util/run-command.h LIB_H += util/sigchain.h +LIB_H += util/dso.h LIB_H += util/symbol.h LIB_H += util/color.h LIB_H += util/values.h @@ -362,7 +399,6 @@ LIB_OBJS += $(OUTPUT)util/help.o LIB_OBJS += $(OUTPUT)util/levenshtein.o LIB_OBJS += $(OUTPUT)util/parse-options.o LIB_OBJS += $(OUTPUT)util/parse-events.o -LIB_OBJS += $(OUTPUT)util/parse-events-test.o LIB_OBJS += $(OUTPUT)util/path.o LIB_OBJS += $(OUTPUT)util/rbtree.o LIB_OBJS += $(OUTPUT)util/bitmap.o @@ -377,15 +413,16 @@ LIB_OBJS += $(OUTPUT)util/top.o LIB_OBJS += $(OUTPUT)util/usage.o LIB_OBJS += $(OUTPUT)util/wrapper.o LIB_OBJS += $(OUTPUT)util/sigchain.o +LIB_OBJS += $(OUTPUT)util/dso.o LIB_OBJS += $(OUTPUT)util/symbol.o LIB_OBJS += $(OUTPUT)util/symbol-elf.o -LIB_OBJS += $(OUTPUT)util/dso-test-data.o LIB_OBJS += $(OUTPUT)util/color.o LIB_OBJS += $(OUTPUT)util/pager.o LIB_OBJS += $(OUTPUT)util/header.o LIB_OBJS += $(OUTPUT)util/callchain.o LIB_OBJS += $(OUTPUT)util/values.o LIB_OBJS += $(OUTPUT)util/debug.o +LIB_OBJS += $(OUTPUT)util/machine.o LIB_OBJS += $(OUTPUT)util/map.o LIB_OBJS += $(OUTPUT)util/pstack.o LIB_OBJS += $(OUTPUT)util/session.o @@ -413,10 +450,29 @@ LIB_OBJS += $(OUTPUT)util/intlist.o LIB_OBJS += $(OUTPUT)util/vdso.o LIB_OBJS += $(OUTPUT)util/stat.o +LIB_OBJS += $(OUTPUT)ui/setup.o LIB_OBJS += $(OUTPUT)ui/helpline.o +LIB_OBJS += $(OUTPUT)ui/progress.o LIB_OBJS += $(OUTPUT)ui/hist.o LIB_OBJS += $(OUTPUT)ui/stdio/hist.o +LIB_OBJS += $(OUTPUT)arch/common.o + +LIB_OBJS += $(OUTPUT)tests/parse-events.o +LIB_OBJS += $(OUTPUT)tests/dso-data.o +LIB_OBJS += $(OUTPUT)tests/attr.o +LIB_OBJS += $(OUTPUT)tests/vmlinux-kallsyms.o +LIB_OBJS += $(OUTPUT)tests/open-syscall.o +LIB_OBJS += $(OUTPUT)tests/open-syscall-all-cpus.o +LIB_OBJS += $(OUTPUT)tests/open-syscall-tp-fields.o +LIB_OBJS += $(OUTPUT)tests/mmap-basic.o +LIB_OBJS += $(OUTPUT)tests/perf-record.o +LIB_OBJS += $(OUTPUT)tests/rdpmc.o +LIB_OBJS += $(OUTPUT)tests/evsel-roundtrip-name.o +LIB_OBJS += $(OUTPUT)tests/evsel-tp-sched.o +LIB_OBJS += $(OUTPUT)tests/pmu.o +LIB_OBJS += $(OUTPUT)tests/util.o + BUILTIN_OBJS += $(OUTPUT)builtin-annotate.o BUILTIN_OBJS += $(OUTPUT)builtin-bench.o # Benchmark modules @@ -446,8 +502,8 @@ BUILTIN_OBJS += $(OUTPUT)builtin-probe.o BUILTIN_OBJS += $(OUTPUT)builtin-kmem.o BUILTIN_OBJS += $(OUTPUT)builtin-lock.o BUILTIN_OBJS += $(OUTPUT)builtin-kvm.o -BUILTIN_OBJS += $(OUTPUT)builtin-test.o BUILTIN_OBJS += $(OUTPUT)builtin-inject.o +BUILTIN_OBJS += $(OUTPUT)tests/builtin-test.o PERFLIBS = $(LIB_FILE) $(LIBTRACEEVENT) @@ -468,18 +524,33 @@ ifdef NO_LIBELF NO_LIBUNWIND := 1 else FLAGS_LIBELF=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) -ifneq ($(call try-cc,$(SOURCE_LIBELF),$(FLAGS_LIBELF)),y) +ifneq ($(call try-cc,$(SOURCE_LIBELF),$(FLAGS_LIBELF),libelf),y) FLAGS_GLIBC=$(ALL_CFLAGS) $(ALL_LDFLAGS) - ifneq ($(call try-cc,$(SOURCE_GLIBC),$(FLAGS_GLIBC)),y) - msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]/glibc-static); - else + ifeq ($(call try-cc,$(SOURCE_GLIBC),$(FLAGS_GLIBC),glibc),y) + LIBC_SUPPORT := 1 + endif + ifeq ($(BIONIC),1) + LIBC_SUPPORT := 1 + endif + ifeq ($(LIBC_SUPPORT),1) + msg := $(warning No libelf found, disables 'probe' tool, please install elfutils-libelf-devel/libelf-dev); + NO_LIBELF := 1 NO_DWARF := 1 NO_DEMANGLE := 1 + else + msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]/glibc-static); endif else - FLAGS_DWARF=$(ALL_CFLAGS) -ldw -lelf $(ALL_LDFLAGS) $(EXTLIBS) - ifneq ($(call try-cc,$(SOURCE_DWARF),$(FLAGS_DWARF)),y) + # for linking with debug library, run like: + # make DEBUG=1 LIBDW_DIR=/opt/libdw/ + ifdef LIBDW_DIR + LIBDW_CFLAGS := -I$(LIBDW_DIR)/include + LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib + endif + + FLAGS_DWARF=$(ALL_CFLAGS) $(LIBDW_CFLAGS) -ldw -lelf $(LIBDW_LDFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) + ifneq ($(call try-cc,$(SOURCE_DWARF),$(FLAGS_DWARF),libdw),y) msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev); NO_DWARF := 1 endif # Dwarf support @@ -495,7 +566,7 @@ ifdef LIBUNWIND_DIR endif FLAGS_UNWIND=$(LIBUNWIND_CFLAGS) $(ALL_CFLAGS) $(LIBUNWIND_LDFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) $(LIBUNWIND_LIBS) -ifneq ($(call try-cc,$(SOURCE_LIBUNWIND),$(FLAGS_UNWIND)),y) +ifneq ($(call try-cc,$(SOURCE_LIBUNWIND),$(FLAGS_UNWIND),libunwind),y) msg := $(warning No libunwind found, disabling post unwind support. Please install libunwind-dev[el] >= 0.99); NO_LIBUNWIND := 1 endif # Libunwind support @@ -524,7 +595,8 @@ LIB_OBJS += $(OUTPUT)util/symbol-minimal.o else # NO_LIBELF BASIC_CFLAGS += -DLIBELF_SUPPORT -ifeq ($(call try-cc,$(SOURCE_ELF_MMAP),$(FLAGS_COMMON)),y) +FLAGS_LIBELF=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) +ifeq ($(call try-cc,$(SOURCE_ELF_MMAP),$(FLAGS_LIBELF),-DLIBELF_MMAP),y) BASIC_CFLAGS += -DLIBELF_MMAP endif @@ -532,7 +604,8 @@ ifndef NO_DWARF ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined) msg := $(warning DWARF register mappings have not been defined for architecture $(ARCH), DWARF support disabled); else - BASIC_CFLAGS += -DDWARF_SUPPORT + BASIC_CFLAGS := -DDWARF_SUPPORT $(LIBDW_CFLAGS) $(BASIC_CFLAGS) + BASIC_LDFLAGS := $(LIBDW_LDFLAGS) $(BASIC_LDFLAGS) EXTLIBS += -lelf -ldw LIB_OBJS += $(OUTPUT)util/probe-finder.o LIB_OBJS += $(OUTPUT)util/dwarf-aux.o @@ -550,7 +623,7 @@ endif ifndef NO_LIBAUDIT FLAGS_LIBAUDIT = $(ALL_CFLAGS) $(ALL_LDFLAGS) -laudit - ifneq ($(call try-cc,$(SOURCE_LIBAUDIT),$(FLAGS_LIBAUDIT)),y) + ifneq ($(call try-cc,$(SOURCE_LIBAUDIT),$(FLAGS_LIBAUDIT),libaudit),y) msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev); else BASIC_CFLAGS += -DLIBAUDIT_SUPPORT @@ -561,23 +634,23 @@ endif ifndef NO_NEWT FLAGS_NEWT=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) -lnewt - ifneq ($(call try-cc,$(SOURCE_NEWT),$(FLAGS_NEWT)),y) + ifneq ($(call try-cc,$(SOURCE_NEWT),$(FLAGS_NEWT),libnewt),y) msg := $(warning newt not found, disables TUI support. Please install newt-devel or libnewt-dev); else # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h BASIC_CFLAGS += -I/usr/include/slang BASIC_CFLAGS += -DNEWT_SUPPORT EXTLIBS += -lnewt -lslang - LIB_OBJS += $(OUTPUT)ui/setup.o LIB_OBJS += $(OUTPUT)ui/browser.o LIB_OBJS += $(OUTPUT)ui/browsers/annotate.o LIB_OBJS += $(OUTPUT)ui/browsers/hists.o LIB_OBJS += $(OUTPUT)ui/browsers/map.o - LIB_OBJS += $(OUTPUT)ui/progress.o + LIB_OBJS += $(OUTPUT)ui/browsers/scripts.o LIB_OBJS += $(OUTPUT)ui/util.o LIB_OBJS += $(OUTPUT)ui/tui/setup.o LIB_OBJS += $(OUTPUT)ui/tui/util.o LIB_OBJS += $(OUTPUT)ui/tui/helpline.o + LIB_OBJS += $(OUTPUT)ui/tui/progress.o LIB_H += ui/browser.h LIB_H += ui/browsers/map.h LIB_H += ui/keysyms.h @@ -590,10 +663,10 @@ endif ifndef NO_GTK2 FLAGS_GTK2=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) $(shell pkg-config --libs --cflags gtk+-2.0 2>/dev/null) - ifneq ($(call try-cc,$(SOURCE_GTK2),$(FLAGS_GTK2)),y) + ifneq ($(call try-cc,$(SOURCE_GTK2),$(FLAGS_GTK2),gtk2),y) msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev); else - ifeq ($(call try-cc,$(SOURCE_GTK2_INFOBAR),$(FLAGS_GTK2)),y) + ifeq ($(call try-cc,$(SOURCE_GTK2_INFOBAR),$(FLAGS_GTK2),-DHAVE_GTK_INFO_BAR),y) BASIC_CFLAGS += -DHAVE_GTK_INFO_BAR endif BASIC_CFLAGS += -DGTK2_SUPPORT @@ -603,9 +676,9 @@ ifndef NO_GTK2 LIB_OBJS += $(OUTPUT)ui/gtk/setup.o LIB_OBJS += $(OUTPUT)ui/gtk/util.o LIB_OBJS += $(OUTPUT)ui/gtk/helpline.o + LIB_OBJS += $(OUTPUT)ui/gtk/progress.o # Make sure that it'd be included only once. ifeq ($(findstring -DNEWT_SUPPORT,$(BASIC_CFLAGS)),) - LIB_OBJS += $(OUTPUT)ui/setup.o LIB_OBJS += $(OUTPUT)ui/util.o endif endif @@ -620,7 +693,7 @@ else PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null` FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS) - ifneq ($(call try-cc,$(SOURCE_PERL_EMBED),$(FLAGS_PERL_EMBED)),y) + ifneq ($(call try-cc,$(SOURCE_PERL_EMBED),$(FLAGS_PERL_EMBED),perl),y) BASIC_CFLAGS += -DNO_LIBPERL else ALL_LDFLAGS += $(PERL_EMBED_LDFLAGS) @@ -674,11 +747,11 @@ else PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null) FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS) - ifneq ($(call try-cc,$(SOURCE_PYTHON_EMBED),$(FLAGS_PYTHON_EMBED)),y) + ifneq ($(call try-cc,$(SOURCE_PYTHON_EMBED),$(FLAGS_PYTHON_EMBED),python),y) $(call disable-python,Python.h (for Python 2.x)) else - ifneq ($(call try-cc,$(SOURCE_PYTHON_VERSION),$(FLAGS_PYTHON_EMBED)),y) + ifneq ($(call try-cc,$(SOURCE_PYTHON_VERSION),$(FLAGS_PYTHON_EMBED),python version),y) $(warning Python 3 is not yet supported; please set) $(warning PYTHON and/or PYTHON_CONFIG appropriately.) $(warning If you also have Python 2 installed, then) @@ -712,22 +785,22 @@ else BASIC_CFLAGS += -DHAVE_CPLUS_DEMANGLE else FLAGS_BFD=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) -DPACKAGE='perf' -lbfd - has_bfd := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD)) + has_bfd := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD),libbfd) ifeq ($(has_bfd),y) EXTLIBS += -lbfd else FLAGS_BFD_IBERTY=$(FLAGS_BFD) -liberty - has_bfd_iberty := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD_IBERTY)) + has_bfd_iberty := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD_IBERTY),liberty) ifeq ($(has_bfd_iberty),y) EXTLIBS += -lbfd -liberty else FLAGS_BFD_IBERTY_Z=$(FLAGS_BFD_IBERTY) -lz - has_bfd_iberty_z := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD_IBERTY_Z)) + has_bfd_iberty_z := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD_IBERTY_Z),libz) ifeq ($(has_bfd_iberty_z),y) EXTLIBS += -lbfd -liberty -lz else FLAGS_CPLUS_DEMANGLE=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) -liberty - has_cplus_demangle := $(call try-cc,$(SOURCE_CPLUS_DEMANGLE),$(FLAGS_CPLUS_DEMANGLE)) + has_cplus_demangle := $(call try-cc,$(SOURCE_CPLUS_DEMANGLE),$(FLAGS_CPLUS_DEMANGLE),demangle) ifeq ($(has_cplus_demangle),y) EXTLIBS += -liberty BASIC_CFLAGS += -DHAVE_CPLUS_DEMANGLE @@ -749,13 +822,19 @@ ifeq ($(NO_PERF_REGS),0) endif ifndef NO_STRLCPY - ifeq ($(call try-cc,$(SOURCE_STRLCPY),),y) + ifeq ($(call try-cc,$(SOURCE_STRLCPY),,-DHAVE_STRLCPY),y) BASIC_CFLAGS += -DHAVE_STRLCPY endif endif +ifndef NO_ON_EXIT + ifeq ($(call try-cc,$(SOURCE_ON_EXIT),,-DHAVE_ON_EXIT),y) + BASIC_CFLAGS += -DHAVE_ON_EXIT + endif +endif + ifndef NO_BACKTRACE - ifeq ($(call try-cc,$(SOURCE_BACKTRACE),),y) + ifeq ($(call try-cc,$(SOURCE_BACKTRACE),,-DBACKTRACE_SUPPORT),y) BASIC_CFLAGS += -DBACKTRACE_SUPPORT endif endif @@ -864,10 +943,14 @@ $(OUTPUT)%.s: %.S $(OUTPUT)util/exec_cmd.o: util/exec_cmd.c $(OUTPUT)PERF-CFLAGS $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) \ '-DPERF_EXEC_PATH="$(perfexecdir_SQ)"' \ - '-DBINDIR="$(bindir_relative_SQ)"' \ '-DPREFIX="$(prefix_SQ)"' \ $< +$(OUTPUT)tests/attr.o: tests/attr.c $(OUTPUT)PERF-CFLAGS + $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) \ + '-DBINDIR="$(bindir_SQ)"' \ + $< + $(OUTPUT)util/config.o: util/config.c $(OUTPUT)PERF-CFLAGS $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DETC_PERFCONFIG='"$(ETC_PERFCONFIG_SQ)"' $< @@ -883,6 +966,9 @@ $(OUTPUT)ui/browsers/hists.o: ui/browsers/hists.c $(OUTPUT)PERF-CFLAGS $(OUTPUT)ui/browsers/map.o: ui/browsers/map.c $(OUTPUT)PERF-CFLAGS $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DENABLE_SLFUTURE_CONST $< +$(OUTPUT)ui/browsers/scripts.o: ui/browsers/scripts.c $(OUTPUT)PERF-CFLAGS + $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DENABLE_SLFUTURE_CONST $< + $(OUTPUT)util/rbtree.o: ../../lib/rbtree.c $(OUTPUT)PERF-CFLAGS $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -Wno-unused-parameter -DETC_PERFCONFIG='"$(ETC_PERFCONFIG_SQ)"' $< @@ -954,20 +1040,15 @@ help: @echo 'Perf maintainer targets:' @echo ' clean - clean all binary objects and build output' -doc: - $(MAKE) -C Documentation all - -man: - $(MAKE) -C Documentation man -html: - $(MAKE) -C Documentation html +DOC_TARGETS := doc man html info pdf -info: - $(MAKE) -C Documentation info +INSTALL_DOC_TARGETS := $(patsubst %,install-%,$(DOC_TARGETS)) try-install-man +INSTALL_DOC_TARGETS += quick-install-doc quick-install-man quick-install-html -pdf: - $(MAKE) -C Documentation pdf +# 'make doc' should call 'make -C Documentation all' +$(DOC_TARGETS): + $(QUIET_SUBDIR0)Documentation $(QUIET_SUBDIR1) $(@:doc=all) TAGS: $(RM) TAGS @@ -1018,7 +1099,7 @@ perfexec_instdir = $(prefix)/$(perfexecdir) endif perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir)) -install: all +install: all try-install-man $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(bindir_SQ)' $(INSTALL) $(OUTPUT)perf '$(DESTDIR_SQ)$(bindir_SQ)' $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/perl/Perf-Trace-Util/lib/Perf/Trace' @@ -1034,33 +1115,17 @@ install: all $(INSTALL) scripts/python/bin/* -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/python/bin' $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(sysconfdir_SQ)/bash_completion.d' $(INSTALL) bash_completion '$(DESTDIR_SQ)$(sysconfdir_SQ)/bash_completion.d/perf' + $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests' + $(INSTALL) tests/attr.py '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests' + $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/attr' + $(INSTALL) tests/attr/* '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/attr' install-python_ext: $(PYTHON_WORD) util/setup.py --quiet install --root='/$(DESTDIR_SQ)' -install-doc: - $(MAKE) -C Documentation install - -install-man: - $(MAKE) -C Documentation install-man - -install-html: - $(MAKE) -C Documentation install-html - -install-info: - $(MAKE) -C Documentation install-info - -install-pdf: - $(MAKE) -C Documentation install-pdf - -quick-install-doc: - $(MAKE) -C Documentation quick-install - -quick-install-man: - $(MAKE) -C Documentation quick-install-man - -quick-install-html: - $(MAKE) -C Documentation quick-install-html +# 'make install-doc' should call 'make -C Documentation install' +$(INSTALL_DOC_TARGETS): + $(QUIET_SUBDIR0)Documentation $(QUIET_SUBDIR1) $(@:-doc=) ### Cleaning rules @@ -1068,7 +1133,7 @@ clean: $(LIBTRACEEVENT)-clean $(RM) $(LIB_OBJS) $(BUILTIN_OBJS) $(LIB_FILE) $(OUTPUT)perf-archive $(OUTPUT)perf.o $(LANG_BINDINGS) $(RM) $(ALL_PROGRAMS) perf $(RM) *.spec *.pyc *.pyo */*.pyc */*.pyo $(OUTPUT)common-cmds.h TAGS tags cscope* - $(MAKE) -C Documentation/ clean + $(QUIET_SUBDIR0)Documentation $(QUIET_SUBDIR1) clean $(RM) $(OUTPUT)PERF-VERSION-FILE $(OUTPUT)PERF-CFLAGS $(RM) $(OUTPUT)util/*-bison* $(RM) $(OUTPUT)util/*-flex* diff --git a/tools/perf/arch/common.c b/tools/perf/arch/common.c new file mode 100644 index 000000000000..3e975cb6232e --- /dev/null +++ b/tools/perf/arch/common.c @@ -0,0 +1,211 @@ +#include <stdio.h> +#include <sys/utsname.h> +#include "common.h" +#include "../util/debug.h" + +const char *const arm_triplets[] = { + "arm-eabi-", + "arm-linux-androideabi-", + "arm-unknown-linux-", + "arm-unknown-linux-gnu-", + "arm-unknown-linux-gnueabi-", + NULL +}; + +const char *const powerpc_triplets[] = { + "powerpc-unknown-linux-gnu-", + "powerpc64-unknown-linux-gnu-", + NULL +}; + +const char *const s390_triplets[] = { + "s390-ibm-linux-", + NULL +}; + +const char *const sh_triplets[] = { + "sh-unknown-linux-gnu-", + "sh64-unknown-linux-gnu-", + NULL +}; + +const char *const sparc_triplets[] = { + "sparc-unknown-linux-gnu-", + "sparc64-unknown-linux-gnu-", + NULL +}; + +const char *const x86_triplets[] = { + "x86_64-pc-linux-gnu-", + "x86_64-unknown-linux-gnu-", + "i686-pc-linux-gnu-", + "i586-pc-linux-gnu-", + "i486-pc-linux-gnu-", + "i386-pc-linux-gnu-", + "i686-linux-android-", + "i686-android-linux-", + NULL +}; + +const char *const mips_triplets[] = { + "mips-unknown-linux-gnu-", + "mipsel-linux-android-", + NULL +}; + +static bool lookup_path(char *name) +{ + bool found = false; + char *path, *tmp; + char buf[PATH_MAX]; + char *env = getenv("PATH"); + + if (!env) + return false; + + env = strdup(env); + if (!env) + return false; + + path = strtok_r(env, ":", &tmp); + while (path) { + scnprintf(buf, sizeof(buf), "%s/%s", path, name); + if (access(buf, F_OK) == 0) { + found = true; + break; + } + path = strtok_r(NULL, ":", &tmp); + } + free(env); + return found; +} + +static int lookup_triplets(const char *const *triplets, const char *name) +{ + int i; + char buf[PATH_MAX]; + + for (i = 0; triplets[i] != NULL; i++) { + scnprintf(buf, sizeof(buf), "%s%s", triplets[i], name); + if (lookup_path(buf)) + return i; + } + return -1; +} + +/* + * Return architecture name in a normalized form. + * The conversion logic comes from the Makefile. + */ +static const char *normalize_arch(char *arch) +{ + if (!strcmp(arch, "x86_64")) + return "x86"; + if (arch[0] == 'i' && arch[2] == '8' && arch[3] == '6') + return "x86"; + if (!strcmp(arch, "sun4u") || !strncmp(arch, "sparc", 5)) + return "sparc"; + if (!strncmp(arch, "arm", 3) || !strcmp(arch, "sa110")) + return "arm"; + if (!strncmp(arch, "s390", 4)) + return "s390"; + if (!strncmp(arch, "parisc", 6)) + return "parisc"; + if (!strncmp(arch, "powerpc", 7) || !strncmp(arch, "ppc", 3)) + return "powerpc"; + if (!strncmp(arch, "mips", 4)) + return "mips"; + if (!strncmp(arch, "sh", 2) && isdigit(arch[2])) + return "sh"; + + return arch; +} + +static int perf_session_env__lookup_binutils_path(struct perf_session_env *env, + const char *name, + const char **path) +{ + int idx; + const char *arch, *cross_env; + struct utsname uts; + const char *const *path_list; + char *buf = NULL; + + arch = normalize_arch(env->arch); + + if (uname(&uts) < 0) + goto out; + + /* + * We don't need to try to find objdump path for native system. + * Just use default binutils path (e.g.: "objdump"). + */ + if (!strcmp(normalize_arch(uts.machine), arch)) + goto out; + + cross_env = getenv("CROSS_COMPILE"); + if (cross_env) { + if (asprintf(&buf, "%s%s", cross_env, name) < 0) + goto out_error; + if (buf[0] == '/') { + if (access(buf, F_OK) == 0) + goto out; + goto out_error; + } + if (lookup_path(buf)) + goto out; + free(buf); + } + + if (!strcmp(arch, "arm")) + path_list = arm_triplets; + else if (!strcmp(arch, "powerpc")) + path_list = powerpc_triplets; + else if (!strcmp(arch, "sh")) + path_list = sh_triplets; + else if (!strcmp(arch, "s390")) + path_list = s390_triplets; + else if (!strcmp(arch, "sparc")) + path_list = sparc_triplets; + else if (!strcmp(arch, "x86")) + path_list = x86_triplets; + else if (!strcmp(arch, "mips")) + path_list = mips_triplets; + else { + ui__error("binutils for %s not supported.\n", arch); + goto out_error; + } + + idx = lookup_triplets(path_list, name); + if (idx < 0) { + ui__error("Please install %s for %s.\n" + "You can add it to PATH, set CROSS_COMPILE or " + "override the default using --%s.\n", + name, arch, name); + goto out_error; + } + + if (asprintf(&buf, "%s%s", path_list[idx], name) < 0) + goto out_error; + +out: + *path = buf; + return 0; +out_error: + free(buf); + *path = NULL; + return -1; +} + +int perf_session_env__lookup_objdump(struct perf_session_env *env) +{ + /* + * For live mode, env->arch will be NULL and we can use + * the native objdump tool. + */ + if (env->arch == NULL) + return 0; + + return perf_session_env__lookup_binutils_path(env, "objdump", + &objdump_path); +} diff --git a/tools/perf/arch/common.h b/tools/perf/arch/common.h new file mode 100644 index 000000000000..ede246eda9be --- /dev/null +++ b/tools/perf/arch/common.h @@ -0,0 +1,10 @@ +#ifndef ARCH_PERF_COMMON_H +#define ARCH_PERF_COMMON_H + +#include "../util/session.h" + +extern const char *objdump_path; + +int perf_session_env__lookup_objdump(struct perf_session_env *env); + +#endif /* ARCH_PERF_COMMON_H */ diff --git a/tools/perf/arch/x86/include/perf_regs.h b/tools/perf/arch/x86/include/perf_regs.h index 46fc9f15c6b3..7fcdcdbee917 100644 --- a/tools/perf/arch/x86/include/perf_regs.h +++ b/tools/perf/arch/x86/include/perf_regs.h @@ -3,7 +3,7 @@ #include <stdlib.h> #include "../../util/types.h" -#include "../../../../../arch/x86/include/asm/perf_regs.h" +#include <asm/perf_regs.h> #ifndef ARCH_X86_64 #define PERF_REGS_MASK ((1ULL << PERF_REG_X86_32_MAX) - 1) diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c index 9ea38540b873..dc870cf31b79 100644 --- a/tools/perf/builtin-annotate.c +++ b/tools/perf/builtin-annotate.c @@ -28,12 +28,12 @@ #include "util/hist.h" #include "util/session.h" #include "util/tool.h" +#include "arch/common.h" #include <linux/bitmap.h> struct perf_annotate { struct perf_tool tool; - char const *input_name; bool force, use_tui, use_stdio; bool full_paths; bool print_line; @@ -139,7 +139,7 @@ find_next: } if (use_browser > 0) { - key = hist_entry__tui_annotate(he, evidx, NULL, NULL, 0); + key = hist_entry__tui_annotate(he, evidx, NULL); switch (key) { case K_RIGHT: next = rb_next(nd); @@ -174,7 +174,7 @@ static int __cmd_annotate(struct perf_annotate *ann) struct perf_evsel *pos; u64 total_nr_samples; - session = perf_session__new(ann->input_name, O_RDONLY, + session = perf_session__new(input_name, O_RDONLY, ann->force, false, &ann->tool); if (session == NULL) return -ENOMEM; @@ -186,6 +186,12 @@ static int __cmd_annotate(struct perf_annotate *ann) goto out_delete; } + if (!objdump_path) { + ret = perf_session_env__lookup_objdump(&session->header.env); + if (ret) + goto out_delete; + } + ret = perf_session__process_events(session, &ann->tool); if (ret) goto out_delete; @@ -246,13 +252,14 @@ int cmd_annotate(int argc, const char **argv, const char *prefix __maybe_unused) .sample = process_sample_event, .mmap = perf_event__process_mmap, .comm = perf_event__process_comm, - .fork = perf_event__process_task, + .exit = perf_event__process_exit, + .fork = perf_event__process_fork, .ordered_samples = true, .ordering_requires_timestamps = true, }, }; const struct option options[] = { - OPT_STRING('i', "input", &annotate.input_name, "file", + OPT_STRING('i', "input", &input_name, "file", "input file name"), OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", "only consider symbols in these dsos"), diff --git a/tools/perf/builtin-buildid-cache.c b/tools/perf/builtin-buildid-cache.c index d37e077f4b14..fae8b250b2ca 100644 --- a/tools/perf/builtin-buildid-cache.c +++ b/tools/perf/builtin-buildid-cache.c @@ -13,6 +13,7 @@ #include "util/header.h" #include "util/parse-options.h" #include "util/strlist.h" +#include "util/build-id.h" #include "util/symbol.h" static int build_id_cache__add_file(const char *filename, const char *debugdir) diff --git a/tools/perf/builtin-buildid-list.c b/tools/perf/builtin-buildid-list.c index a0e94fffa03e..a82d99fec83e 100644 --- a/tools/perf/builtin-buildid-list.c +++ b/tools/perf/builtin-buildid-list.c @@ -44,8 +44,7 @@ static int filename__fprintf_build_id(const char *name, FILE *fp) return fprintf(fp, "%s\n", sbuild_id); } -static int perf_session__list_build_ids(const char *input_name, - bool force, bool with_hits) +static int perf_session__list_build_ids(bool force, bool with_hits) { struct perf_session *session; @@ -81,7 +80,6 @@ int cmd_buildid_list(int argc, const char **argv, bool show_kernel = false; bool with_hits = false; bool force = false; - const char *input_name = NULL; const struct option options[] = { OPT_BOOLEAN('H', "with-hits", &with_hits, "Show only DSOs with hits"), OPT_STRING('i', "input", &input_name, "file", "input file name"), @@ -101,5 +99,5 @@ int cmd_buildid_list(int argc, const char **argv, if (show_kernel) return sysfs__fprintf_build_id(stdout); - return perf_session__list_build_ids(input_name, force, with_hits); + return perf_session__list_build_ids(force, with_hits); } diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c index a0b531c14b97..93b852f8a5d5 100644 --- a/tools/perf/builtin-diff.c +++ b/tools/perf/builtin-diff.c @@ -24,6 +24,228 @@ static char const *input_old = "perf.data.old", static char diff__default_sort_order[] = "dso,symbol"; static bool force; static bool show_displacement; +static bool show_period; +static bool show_formula; +static bool show_baseline_only; +static bool sort_compute; + +static s64 compute_wdiff_w1; +static s64 compute_wdiff_w2; + +enum { + COMPUTE_DELTA, + COMPUTE_RATIO, + COMPUTE_WEIGHTED_DIFF, + COMPUTE_MAX, +}; + +const char *compute_names[COMPUTE_MAX] = { + [COMPUTE_DELTA] = "delta", + [COMPUTE_RATIO] = "ratio", + [COMPUTE_WEIGHTED_DIFF] = "wdiff", +}; + +static int compute; + +static int setup_compute_opt_wdiff(char *opt) +{ + char *w1_str = opt; + char *w2_str; + + int ret = -EINVAL; + + if (!opt) + goto out; + + w2_str = strchr(opt, ','); + if (!w2_str) + goto out; + + *w2_str++ = 0x0; + if (!*w2_str) + goto out; + + compute_wdiff_w1 = strtol(w1_str, NULL, 10); + compute_wdiff_w2 = strtol(w2_str, NULL, 10); + + if (!compute_wdiff_w1 || !compute_wdiff_w2) + goto out; + + pr_debug("compute wdiff w1(%" PRId64 ") w2(%" PRId64 ")\n", + compute_wdiff_w1, compute_wdiff_w2); + + ret = 0; + + out: + if (ret) + pr_err("Failed: wrong weight data, use 'wdiff:w1,w2'\n"); + + return ret; +} + +static int setup_compute_opt(char *opt) +{ + if (compute == COMPUTE_WEIGHTED_DIFF) + return setup_compute_opt_wdiff(opt); + + if (opt) { + pr_err("Failed: extra option specified '%s'", opt); + return -EINVAL; + } + + return 0; +} + +static int setup_compute(const struct option *opt, const char *str, + int unset __maybe_unused) +{ + int *cp = (int *) opt->value; + char *cstr = (char *) str; + char buf[50]; + unsigned i; + char *option; + + if (!str) { + *cp = COMPUTE_DELTA; + return 0; + } + + if (*str == '+') { + sort_compute = true; + cstr = (char *) ++str; + if (!*str) + return 0; + } + + option = strchr(str, ':'); + if (option) { + unsigned len = option++ - str; + + /* + * The str data are not writeable, so we need + * to use another buffer. + */ + + /* No option value is longer. */ + if (len >= sizeof(buf)) + return -EINVAL; + + strncpy(buf, str, len); + buf[len] = 0x0; + cstr = buf; + } + + for (i = 0; i < COMPUTE_MAX; i++) + if (!strcmp(cstr, compute_names[i])) { + *cp = i; + return setup_compute_opt(option); + } + + pr_err("Failed: '%s' is not computation method " + "(use 'delta','ratio' or 'wdiff')\n", str); + return -EINVAL; +} + +static double get_period_percent(struct hist_entry *he, u64 period) +{ + u64 total = he->hists->stats.total_period; + return (period * 100.0) / total; +} + +double perf_diff__compute_delta(struct hist_entry *he) +{ + struct hist_entry *pair = hist_entry__next_pair(he); + double new_percent = get_period_percent(he, he->stat.period); + double old_percent = pair ? get_period_percent(pair, pair->stat.period) : 0.0; + + he->diff.period_ratio_delta = new_percent - old_percent; + he->diff.computed = true; + return he->diff.period_ratio_delta; +} + +double perf_diff__compute_ratio(struct hist_entry *he) +{ + struct hist_entry *pair = hist_entry__next_pair(he); + double new_period = he->stat.period; + double old_period = pair ? pair->stat.period : 0; + + he->diff.computed = true; + he->diff.period_ratio = pair ? (new_period / old_period) : 0; + return he->diff.period_ratio; +} + +s64 perf_diff__compute_wdiff(struct hist_entry *he) +{ + struct hist_entry *pair = hist_entry__next_pair(he); + u64 new_period = he->stat.period; + u64 old_period = pair ? pair->stat.period : 0; + + he->diff.computed = true; + + if (!pair) + he->diff.wdiff = 0; + else + he->diff.wdiff = new_period * compute_wdiff_w2 - + old_period * compute_wdiff_w1; + + return he->diff.wdiff; +} + +static int formula_delta(struct hist_entry *he, char *buf, size_t size) +{ + struct hist_entry *pair = hist_entry__next_pair(he); + + if (!pair) + return -1; + + return scnprintf(buf, size, + "(%" PRIu64 " * 100 / %" PRIu64 ") - " + "(%" PRIu64 " * 100 / %" PRIu64 ")", + he->stat.period, he->hists->stats.total_period, + pair->stat.period, pair->hists->stats.total_period); +} + +static int formula_ratio(struct hist_entry *he, char *buf, size_t size) +{ + struct hist_entry *pair = hist_entry__next_pair(he); + double new_period = he->stat.period; + double old_period = pair ? pair->stat.period : 0; + + if (!pair) + return -1; + + return scnprintf(buf, size, "%.0F / %.0F", new_period, old_period); +} + +static int formula_wdiff(struct hist_entry *he, char *buf, size_t size) +{ + struct hist_entry *pair = hist_entry__next_pair(he); + u64 new_period = he->stat.period; + u64 old_period = pair ? pair->stat.period : 0; + + if (!pair) + return -1; + + return scnprintf(buf, size, + "(%" PRIu64 " * " "%" PRId64 ") - (%" PRIu64 " * " "%" PRId64 ")", + new_period, compute_wdiff_w2, old_period, compute_wdiff_w1); +} + +int perf_diff__formula(char *buf, size_t size, struct hist_entry *he) +{ + switch (compute) { + case COMPUTE_DELTA: + return formula_delta(he, buf, size); + case COMPUTE_RATIO: + return formula_ratio(he, buf, size); + case COMPUTE_WEIGHTED_DIFF: + return formula_wdiff(he, buf, size); + default: + BUG_ON(1); + } + + return -1; +} static int hists__add_entry(struct hists *self, struct addr_location *al, u64 period) @@ -47,7 +269,7 @@ static int diff__process_sample_event(struct perf_tool *tool __maybe_unused, return -1; } - if (al.filtered || al.sym == NULL) + if (al.filtered) return 0; if (hists__add_entry(&evsel->hists, &al, sample->period)) { @@ -63,8 +285,8 @@ static struct perf_tool tool = { .sample = diff__process_sample_event, .mmap = perf_event__process_mmap, .comm = perf_event__process_comm, - .exit = perf_event__process_task, - .fork = perf_event__process_task, + .exit = perf_event__process_exit, + .fork = perf_event__process_fork, .lost = perf_event__process_lost, .ordered_samples = true, .ordering_requires_timestamps = true, @@ -112,36 +334,6 @@ static void hists__name_resort(struct hists *self, bool sort) self->entries = tmp; } -static struct hist_entry *hists__find_entry(struct hists *self, - struct hist_entry *he) -{ - struct rb_node *n = self->entries.rb_node; - - while (n) { - struct hist_entry *iter = rb_entry(n, struct hist_entry, rb_node); - int64_t cmp = hist_entry__cmp(he, iter); - - if (cmp < 0) - n = n->rb_left; - else if (cmp > 0) - n = n->rb_right; - else - return iter; - } - - return NULL; -} - -static void hists__match(struct hists *older, struct hists *newer) -{ - struct rb_node *nd; - - for (nd = rb_first(&newer->entries); nd; nd = rb_next(nd)) { - struct hist_entry *pos = rb_entry(nd, struct hist_entry, rb_node); - pos->pair = hists__find_entry(older, pos); - } -} - static struct perf_evsel *evsel_match(struct perf_evsel *evsel, struct perf_evlist *evlist) { @@ -172,6 +364,144 @@ static void perf_evlist__resort_hists(struct perf_evlist *evlist, bool name) } } +static void hists__baseline_only(struct hists *hists) +{ + struct rb_node *next = rb_first(&hists->entries); + + while (next != NULL) { + struct hist_entry *he = rb_entry(next, struct hist_entry, rb_node); + + next = rb_next(&he->rb_node); + if (!hist_entry__next_pair(he)) { + rb_erase(&he->rb_node, &hists->entries); + hist_entry__free(he); + } + } +} + +static void hists__precompute(struct hists *hists) +{ + struct rb_node *next = rb_first(&hists->entries); + + while (next != NULL) { + struct hist_entry *he = rb_entry(next, struct hist_entry, rb_node); + + next = rb_next(&he->rb_node); + + switch (compute) { + case COMPUTE_DELTA: + perf_diff__compute_delta(he); + break; + case COMPUTE_RATIO: + perf_diff__compute_ratio(he); + break; + case COMPUTE_WEIGHTED_DIFF: + perf_diff__compute_wdiff(he); + break; + default: + BUG_ON(1); + } + } +} + +static int64_t cmp_doubles(double l, double r) +{ + if (l > r) + return -1; + else if (l < r) + return 1; + else + return 0; +} + +static int64_t +hist_entry__cmp_compute(struct hist_entry *left, struct hist_entry *right, + int c) +{ + switch (c) { + case COMPUTE_DELTA: + { + double l = left->diff.period_ratio_delta; + double r = right->diff.period_ratio_delta; + + return cmp_doubles(l, r); + } + case COMPUTE_RATIO: + { + double l = left->diff.period_ratio; + double r = right->diff.period_ratio; + + return cmp_doubles(l, r); + } + case COMPUTE_WEIGHTED_DIFF: + { + s64 l = left->diff.wdiff; + s64 r = right->diff.wdiff; + + return r - l; + } + default: + BUG_ON(1); + } + + return 0; +} + +static void insert_hist_entry_by_compute(struct rb_root *root, + struct hist_entry *he, + int c) +{ + struct rb_node **p = &root->rb_node; + struct rb_node *parent = NULL; + struct hist_entry *iter; + + while (*p != NULL) { + parent = *p; + iter = rb_entry(parent, struct hist_entry, rb_node); + if (hist_entry__cmp_compute(he, iter, c) < 0) + p = &(*p)->rb_left; + else + p = &(*p)->rb_right; + } + + rb_link_node(&he->rb_node, parent, p); + rb_insert_color(&he->rb_node, root); +} + +static void hists__compute_resort(struct hists *hists) +{ + struct rb_root tmp = RB_ROOT; + struct rb_node *next = rb_first(&hists->entries); + + while (next != NULL) { + struct hist_entry *he = rb_entry(next, struct hist_entry, rb_node); + + next = rb_next(&he->rb_node); + + rb_erase(&he->rb_node, &hists->entries); + insert_hist_entry_by_compute(&tmp, he, compute); + } + + hists->entries = tmp; +} + +static void hists__process(struct hists *old, struct hists *new) +{ + hists__match(new, old); + + if (show_baseline_only) + hists__baseline_only(new); + else + hists__link(new, old); + + if (sort_compute) { + hists__precompute(new); + hists__compute_resort(new); + } + + hists__fprintf(new, true, 0, 0, stdout); +} + static int __cmd_diff(void) { int ret, i; @@ -213,8 +543,7 @@ static int __cmd_diff(void) first = false; - hists__match(&evsel_old->hists, &evsel->hists); - hists__fprintf(&evsel->hists, true, 0, 0, stdout); + hists__process(&evsel_old->hists, &evsel->hists); } out_delete: @@ -235,6 +564,16 @@ static const struct option options[] = { "be more verbose (show symbol address, etc)"), OPT_BOOLEAN('M', "displacement", &show_displacement, "Show position displacement relative to baseline"), + OPT_BOOLEAN('b', "baseline-only", &show_baseline_only, + "Show only items with match in baseline"), + OPT_CALLBACK('c', "compute", &compute, + "delta,ratio,wdiff:w1,w2 (default delta)", + "Entries differential computation selection", + setup_compute), + OPT_BOOLEAN('p', "period", &show_period, + "Show period values."), + OPT_BOOLEAN('F', "formula", &show_formula, + "Show formula."), OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, "dump raw trace in ASCII"), OPT_BOOLEAN('f', "force", &force, "don't complain, do it"), @@ -263,12 +602,36 @@ static void ui_init(void) /* No overhead column. */ perf_hpp__column_enable(PERF_HPP__OVERHEAD, false); - /* Display baseline/delta/displacement columns. */ + /* + * Display baseline/delta/ratio/displacement/ + * formula/periods columns. + */ perf_hpp__column_enable(PERF_HPP__BASELINE, true); - perf_hpp__column_enable(PERF_HPP__DELTA, true); + + switch (compute) { + case COMPUTE_DELTA: + perf_hpp__column_enable(PERF_HPP__DELTA, true); + break; + case COMPUTE_RATIO: + perf_hpp__column_enable(PERF_HPP__RATIO, true); + break; + case COMPUTE_WEIGHTED_DIFF: + perf_hpp__column_enable(PERF_HPP__WEIGHTED_DIFF, true); + break; + default: + BUG_ON(1); + }; if (show_displacement) perf_hpp__column_enable(PERF_HPP__DISPL, true); + + if (show_formula) + perf_hpp__column_enable(PERF_HPP__FORMULA, true); + + if (show_period) { + perf_hpp__column_enable(PERF_HPP__PERIOD, true); + perf_hpp__column_enable(PERF_HPP__PERIOD_BASELINE, true); + } } int cmd_diff(int argc, const char **argv, const char *prefix __maybe_unused) diff --git a/tools/perf/builtin-evlist.c b/tools/perf/builtin-evlist.c index 997afb82691b..c20f1dcfb7e2 100644 --- a/tools/perf/builtin-evlist.c +++ b/tools/perf/builtin-evlist.c @@ -48,12 +48,12 @@ static int __if_print(bool *first, const char *field, u64 value) #define if_print(field) __if_print(&first, #field, pos->attr.field) -static int __cmd_evlist(const char *input_name, struct perf_attr_details *details) +static int __cmd_evlist(const char *file_name, struct perf_attr_details *details) { struct perf_session *session; struct perf_evsel *pos; - session = perf_session__new(input_name, O_RDONLY, 0, false, NULL); + session = perf_session__new(file_name, O_RDONLY, 0, false, NULL); if (session == NULL) return -ENOMEM; @@ -111,7 +111,6 @@ static int __cmd_evlist(const char *input_name, struct perf_attr_details *detail int cmd_evlist(int argc, const char **argv, const char *prefix __maybe_unused) { struct perf_attr_details details = { .verbose = false, }; - const char *input_name = NULL; const struct option options[] = { OPT_STRING('i', "input", &input_name, "file", "Input file name"), OPT_BOOLEAN('F', "freq", &details.freq, "Show the sample frequency"), diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c index 4688bea95c12..84ad6abe4258 100644 --- a/tools/perf/builtin-inject.c +++ b/tools/perf/builtin-inject.c @@ -8,33 +8,53 @@ #include "builtin.h" #include "perf.h" +#include "util/color.h" +#include "util/evlist.h" +#include "util/evsel.h" #include "util/session.h" #include "util/tool.h" #include "util/debug.h" +#include "util/build-id.h" #include "util/parse-options.h" +#include <linux/list.h> + struct perf_inject { struct perf_tool tool; bool build_ids; + bool sched_stat; + const char *input_name; + int pipe_output, + output; + u64 bytes_written; + struct list_head samples; +}; + +struct event_entry { + struct list_head node; + u32 tid; + union perf_event event[0]; }; -static int perf_event__repipe_synth(struct perf_tool *tool __maybe_unused, +static int perf_event__repipe_synth(struct perf_tool *tool, union perf_event *event, struct machine *machine __maybe_unused) { + struct perf_inject *inject = container_of(tool, struct perf_inject, tool); uint32_t size; void *buf = event; size = event->header.size; while (size) { - int ret = write(STDOUT_FILENO, buf, size); + int ret = write(inject->output, buf, size); if (ret < 0) return -errno; size -= ret; buf += ret; + inject->bytes_written += ret; } return 0; @@ -80,12 +100,25 @@ static int perf_event__repipe(struct perf_tool *tool, return perf_event__repipe_synth(tool, event, machine); } +typedef int (*inject_handler)(struct perf_tool *tool, + union perf_event *event, + struct perf_sample *sample, + struct perf_evsel *evsel, + struct machine *machine); + static int perf_event__repipe_sample(struct perf_tool *tool, union perf_event *event, - struct perf_sample *sample __maybe_unused, - struct perf_evsel *evsel __maybe_unused, - struct machine *machine) + struct perf_sample *sample, + struct perf_evsel *evsel, + struct machine *machine) { + if (evsel->handler.func) { + inject_handler f = evsel->handler.func; + return f(tool, event, sample, evsel, machine); + } + + build_id__mark_dso_hit(tool, event, sample, evsel, machine); + return perf_event__repipe_synth(tool, event, machine); } @@ -102,14 +135,14 @@ static int perf_event__repipe_mmap(struct perf_tool *tool, return err; } -static int perf_event__repipe_task(struct perf_tool *tool, +static int perf_event__repipe_fork(struct perf_tool *tool, union perf_event *event, struct perf_sample *sample, struct machine *machine) { int err; - err = perf_event__process_task(tool, event, sample, machine); + err = perf_event__process_fork(tool, event, sample, machine); perf_event__repipe(tool, event, sample, machine); return err; @@ -210,6 +243,80 @@ repipe: return 0; } +static int perf_inject__sched_process_exit(struct perf_tool *tool, + union perf_event *event __maybe_unused, + struct perf_sample *sample, + struct perf_evsel *evsel __maybe_unused, + struct machine *machine __maybe_unused) +{ + struct perf_inject *inject = container_of(tool, struct perf_inject, tool); + struct event_entry *ent; + + list_for_each_entry(ent, &inject->samples, node) { + if (sample->tid == ent->tid) { + list_del_init(&ent->node); + free(ent); + break; + } + } + + return 0; +} + +static int perf_inject__sched_switch(struct perf_tool *tool, + union perf_event *event, + struct perf_sample *sample, + struct perf_evsel *evsel, + struct machine *machine) +{ + struct perf_inject *inject = container_of(tool, struct perf_inject, tool); + struct event_entry *ent; + + perf_inject__sched_process_exit(tool, event, sample, evsel, machine); + + ent = malloc(event->header.size + sizeof(struct event_entry)); + if (ent == NULL) { + color_fprintf(stderr, PERF_COLOR_RED, + "Not enough memory to process sched switch event!"); + return -1; + } + + ent->tid = sample->tid; + memcpy(&ent->event, event, event->header.size); + list_add(&ent->node, &inject->samples); + return 0; +} + +static int perf_inject__sched_stat(struct perf_tool *tool, + union perf_event *event __maybe_unused, + struct perf_sample *sample, + struct perf_evsel *evsel, + struct machine *machine) +{ + struct event_entry *ent; + union perf_event *event_sw; + struct perf_sample sample_sw; + struct perf_inject *inject = container_of(tool, struct perf_inject, tool); + u32 pid = perf_evsel__intval(evsel, sample, "pid"); + + list_for_each_entry(ent, &inject->samples, node) { + if (pid == ent->tid) + goto found; + } + + return 0; +found: + event_sw = &ent->event[0]; + perf_evsel__parse_sample(evsel, event_sw, &sample_sw); + + sample_sw.period = sample->period; + sample_sw.time = sample->time; + perf_event__synthesize_sample(event_sw, evsel->attr.sample_type, + &sample_sw, false); + build_id__mark_dso_hit(tool, event_sw, &sample_sw, evsel, machine); + return perf_event__repipe(tool, event_sw, &sample_sw, machine); +} + extern volatile int session_done; static void sig_handler(int sig __maybe_unused) @@ -217,6 +324,21 @@ static void sig_handler(int sig __maybe_unused) session_done = 1; } +static int perf_evsel__check_stype(struct perf_evsel *evsel, + u64 sample_type, const char *sample_msg) +{ + struct perf_event_attr *attr = &evsel->attr; + const char *name = perf_evsel__name(evsel); + + if (!(attr->sample_type & sample_type)) { + pr_err("Samples for %s event do not have %s attribute set.", + name, sample_msg); + return -EINVAL; + } + + return 0; +} + static int __cmd_inject(struct perf_inject *inject) { struct perf_session *session; @@ -224,19 +346,48 @@ static int __cmd_inject(struct perf_inject *inject) signal(SIGINT, sig_handler); - if (inject->build_ids) { - inject->tool.sample = perf_event__inject_buildid; + if (inject->build_ids || inject->sched_stat) { inject->tool.mmap = perf_event__repipe_mmap; - inject->tool.fork = perf_event__repipe_task; + inject->tool.fork = perf_event__repipe_fork; inject->tool.tracing_data = perf_event__repipe_tracing_data; } - session = perf_session__new("-", O_RDONLY, false, true, &inject->tool); + session = perf_session__new(inject->input_name, O_RDONLY, false, true, &inject->tool); if (session == NULL) return -ENOMEM; + if (inject->build_ids) { + inject->tool.sample = perf_event__inject_buildid; + } else if (inject->sched_stat) { + struct perf_evsel *evsel; + + inject->tool.ordered_samples = true; + + list_for_each_entry(evsel, &session->evlist->entries, node) { + const char *name = perf_evsel__name(evsel); + + if (!strcmp(name, "sched:sched_switch")) { + if (perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID")) + return -EINVAL; + + evsel->handler.func = perf_inject__sched_switch; + } else if (!strcmp(name, "sched:sched_process_exit")) + evsel->handler.func = perf_inject__sched_process_exit; + else if (!strncmp(name, "sched:sched_stat_", 17)) + evsel->handler.func = perf_inject__sched_stat; + } + } + + if (!inject->pipe_output) + lseek(inject->output, session->header.data_offset, SEEK_SET); + ret = perf_session__process_events(session, &inject->tool); + if (!inject->pipe_output) { + session->header.data_size = inject->bytes_written; + perf_session__write_header(session, session->evlist, inject->output, true); + } + perf_session__delete(session); return ret; @@ -260,10 +411,20 @@ int cmd_inject(int argc, const char **argv, const char *prefix __maybe_unused) .tracing_data = perf_event__repipe_tracing_data_synth, .build_id = perf_event__repipe_op2_synth, }, + .input_name = "-", + .samples = LIST_HEAD_INIT(inject.samples), }; + const char *output_name = "-"; const struct option options[] = { OPT_BOOLEAN('b', "build-ids", &inject.build_ids, "Inject build-ids into the output stream"), + OPT_STRING('i', "input", &inject.input_name, "file", + "input file name"), + OPT_STRING('o', "output", &output_name, "file", + "output file name"), + OPT_BOOLEAN('s', "sched-stat", &inject.sched_stat, + "Merge sched-stat and sched-switch for getting events " + "where and how long tasks slept"), OPT_INCR('v', "verbose", &verbose, "be more verbose (show build ids, etc)"), OPT_END() @@ -281,6 +442,18 @@ int cmd_inject(int argc, const char **argv, const char *prefix __maybe_unused) if (argc) usage_with_options(inject_usage, options); + if (!strcmp(output_name, "-")) { + inject.pipe_output = 1; + inject.output = STDOUT_FILENO; + } else { + inject.output = open(output_name, O_CREAT | O_WRONLY | O_TRUNC, + S_IRUSR | S_IWUSR); + if (inject.output < 0) { + perror("failed to create output file"); + return -1; + } + } + if (symbol__init() < 0) return -1; diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c index 14bf82f63659..0b4b796167be 100644 --- a/tools/perf/builtin-kmem.c +++ b/tools/perf/builtin-kmem.c @@ -477,7 +477,7 @@ static void sort_result(void) __sort_result(&root_caller_stat, &root_caller_sorted, &caller_sort); } -static int __cmd_kmem(const char *input_name) +static int __cmd_kmem(void) { int err = -EINVAL; struct perf_session *session; @@ -743,7 +743,6 @@ static int __cmd_record(int argc, const char **argv) int cmd_kmem(int argc, const char **argv, const char *prefix __maybe_unused) { const char * const default_sort_order = "frag,hit,bytes"; - const char *input_name = NULL; const struct option kmem_options[] = { OPT_STRING('i', "input", &input_name, "file", "input file name"), OPT_CALLBACK_NOOPT(0, "caller", NULL, NULL, @@ -779,7 +778,7 @@ int cmd_kmem(int argc, const char **argv, const char *prefix __maybe_unused) if (list_empty(&alloc_sort)) setup_sorting(&alloc_sort, default_sort_order); - return __cmd_kmem(input_name); + return __cmd_kmem(); } else usage_with_options(kmem_usage, kmem_options); diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c index 260abc535b5b..ca3f80ebc100 100644 --- a/tools/perf/builtin-kvm.c +++ b/tools/perf/builtin-kvm.c @@ -22,9 +22,10 @@ #include <pthread.h> #include <math.h> -#include "../../arch/x86/include/asm/svm.h" -#include "../../arch/x86/include/asm/vmx.h" -#include "../../arch/x86/include/asm/kvm.h" +#if defined(__i386__) || defined(__x86_64__) +#include <asm/svm.h> +#include <asm/vmx.h> +#include <asm/kvm.h> struct event_key { #define INVALID_KEY (~0ULL) @@ -58,7 +59,7 @@ struct kvm_event_key { }; -struct perf_kvm; +struct perf_kvm_stat; struct kvm_events_ops { bool (*is_begin_event)(struct perf_evsel *evsel, @@ -66,7 +67,7 @@ struct kvm_events_ops { struct event_key *key); bool (*is_end_event)(struct perf_evsel *evsel, struct perf_sample *sample, struct event_key *key); - void (*decode_key)(struct perf_kvm *kvm, struct event_key *key, + void (*decode_key)(struct perf_kvm_stat *kvm, struct event_key *key, char decode[20]); const char *name; }; @@ -79,7 +80,7 @@ struct exit_reasons_table { #define EVENTS_BITS 12 #define EVENTS_CACHE_SIZE (1UL << EVENTS_BITS) -struct perf_kvm { +struct perf_kvm_stat { struct perf_tool tool; struct perf_session *session; @@ -146,7 +147,7 @@ static struct exit_reasons_table svm_exit_reasons[] = { SVM_EXIT_REASONS }; -static const char *get_exit_reason(struct perf_kvm *kvm, u64 exit_code) +static const char *get_exit_reason(struct perf_kvm_stat *kvm, u64 exit_code) { int i = kvm->exit_reasons_size; struct exit_reasons_table *tbl = kvm->exit_reasons; @@ -162,7 +163,7 @@ static const char *get_exit_reason(struct perf_kvm *kvm, u64 exit_code) return "UNKNOWN"; } -static void exit_event_decode_key(struct perf_kvm *kvm, +static void exit_event_decode_key(struct perf_kvm_stat *kvm, struct event_key *key, char decode[20]) { @@ -228,7 +229,7 @@ static bool mmio_event_end(struct perf_evsel *evsel, struct perf_sample *sample, return false; } -static void mmio_event_decode_key(struct perf_kvm *kvm __maybe_unused, +static void mmio_event_decode_key(struct perf_kvm_stat *kvm __maybe_unused, struct event_key *key, char decode[20]) { @@ -271,7 +272,7 @@ static bool ioport_event_end(struct perf_evsel *evsel, return kvm_entry_event(evsel); } -static void ioport_event_decode_key(struct perf_kvm *kvm __maybe_unused, +static void ioport_event_decode_key(struct perf_kvm_stat *kvm __maybe_unused, struct event_key *key, char decode[20]) { @@ -286,7 +287,7 @@ static struct kvm_events_ops ioport_events = { .name = "IO Port Access" }; -static bool register_kvm_events_ops(struct perf_kvm *kvm) +static bool register_kvm_events_ops(struct perf_kvm_stat *kvm) { bool ret = true; @@ -311,11 +312,11 @@ struct vcpu_event_record { }; -static void init_kvm_event_record(struct perf_kvm *kvm) +static void init_kvm_event_record(struct perf_kvm_stat *kvm) { - int i; + unsigned int i; - for (i = 0; i < (int)EVENTS_CACHE_SIZE; i++) + for (i = 0; i < EVENTS_CACHE_SIZE; i++) INIT_LIST_HEAD(&kvm->kvm_events_cache[i]); } @@ -360,7 +361,7 @@ static struct kvm_event *kvm_alloc_init_event(struct event_key *key) return event; } -static struct kvm_event *find_create_kvm_event(struct perf_kvm *kvm, +static struct kvm_event *find_create_kvm_event(struct perf_kvm_stat *kvm, struct event_key *key) { struct kvm_event *event; @@ -369,9 +370,10 @@ static struct kvm_event *find_create_kvm_event(struct perf_kvm *kvm, BUG_ON(key->key == INVALID_KEY); head = &kvm->kvm_events_cache[kvm_events_hash_fn(key->key)]; - list_for_each_entry(event, head, hash_entry) + list_for_each_entry(event, head, hash_entry) { if (event->key.key == key->key && event->key.info == key->info) return event; + } event = kvm_alloc_init_event(key); if (!event) @@ -381,7 +383,7 @@ static struct kvm_event *find_create_kvm_event(struct perf_kvm *kvm, return event; } -static bool handle_begin_event(struct perf_kvm *kvm, +static bool handle_begin_event(struct perf_kvm_stat *kvm, struct vcpu_event_record *vcpu_record, struct event_key *key, u64 timestamp) { @@ -416,7 +418,10 @@ static double kvm_event_rel_stddev(int vcpu_id, struct kvm_event *event) static bool update_kvm_event(struct kvm_event *event, int vcpu_id, u64 time_diff) { - kvm_update_event_stats(&event->total, time_diff); + if (vcpu_id == -1) { + kvm_update_event_stats(&event->total, time_diff); + return true; + } if (!kvm_event_expand(event, vcpu_id)) return false; @@ -425,13 +430,19 @@ static bool update_kvm_event(struct kvm_event *event, int vcpu_id, return true; } -static bool handle_end_event(struct perf_kvm *kvm, +static bool handle_end_event(struct perf_kvm_stat *kvm, struct vcpu_event_record *vcpu_record, struct event_key *key, u64 timestamp) { struct kvm_event *event; u64 time_begin, time_diff; + int vcpu; + + if (kvm->trace_vcpu == -1) + vcpu = -1; + else + vcpu = vcpu_record->vcpu_id; event = vcpu_record->last_event; time_begin = vcpu_record->start_time; @@ -461,7 +472,7 @@ static bool handle_end_event(struct perf_kvm *kvm, BUG_ON(timestamp < time_begin); time_diff = timestamp - time_begin; - return update_kvm_event(event, vcpu_record->vcpu_id, time_diff); + return update_kvm_event(event, vcpu, time_diff); } static @@ -486,7 +497,7 @@ struct vcpu_event_record *per_vcpu_record(struct thread *thread, return thread->priv; } -static bool handle_kvm_event(struct perf_kvm *kvm, +static bool handle_kvm_event(struct perf_kvm_stat *kvm, struct thread *thread, struct perf_evsel *evsel, struct perf_sample *sample) @@ -498,6 +509,11 @@ static bool handle_kvm_event(struct perf_kvm *kvm, if (!vcpu_record) return true; + /* only process events for vcpus user cares about */ + if ((kvm->trace_vcpu != -1) && + (kvm->trace_vcpu != vcpu_record->vcpu_id)) + return true; + if (kvm->events_ops->is_begin_event(evsel, sample, &key)) return handle_begin_event(kvm, vcpu_record, &key, sample->time); @@ -541,7 +557,7 @@ static struct kvm_event_key keys[] = { { NULL, NULL } }; -static bool select_key(struct perf_kvm *kvm) +static bool select_key(struct perf_kvm_stat *kvm) { int i; @@ -577,7 +593,8 @@ static void insert_to_result(struct rb_root *result, struct kvm_event *event, rb_insert_color(&event->rb, result); } -static void update_total_count(struct perf_kvm *kvm, struct kvm_event *event) +static void +update_total_count(struct perf_kvm_stat *kvm, struct kvm_event *event) { int vcpu = kvm->trace_vcpu; @@ -590,19 +607,21 @@ static bool event_is_valid(struct kvm_event *event, int vcpu) return !!get_event_count(event, vcpu); } -static void sort_result(struct perf_kvm *kvm) +static void sort_result(struct perf_kvm_stat *kvm) { unsigned int i; int vcpu = kvm->trace_vcpu; struct kvm_event *event; - for (i = 0; i < EVENTS_CACHE_SIZE; i++) - list_for_each_entry(event, &kvm->kvm_events_cache[i], hash_entry) + for (i = 0; i < EVENTS_CACHE_SIZE; i++) { + list_for_each_entry(event, &kvm->kvm_events_cache[i], hash_entry) { if (event_is_valid(event, vcpu)) { update_total_count(kvm, event); insert_to_result(&kvm->result, event, kvm->compare, vcpu); } + } + } } /* returns left most element of result, and erase it */ @@ -627,7 +646,7 @@ static void print_vcpu_info(int vcpu) pr_info("VCPU %d:\n\n", vcpu); } -static void print_result(struct perf_kvm *kvm) +static void print_result(struct perf_kvm_stat *kvm) { char decode[20]; struct kvm_event *event; @@ -659,8 +678,8 @@ static void print_result(struct perf_kvm *kvm) pr_info("\n"); } - pr_info("\nTotal Samples:%lld, Total events handled time:%.2fus.\n\n", - (unsigned long long)kvm->total_count, kvm->total_time / 1e3); + pr_info("\nTotal Samples:%" PRIu64 ", Total events handled time:%.2fus.\n\n", + kvm->total_count, kvm->total_time / 1e3); } static int process_sample_event(struct perf_tool *tool, @@ -670,7 +689,8 @@ static int process_sample_event(struct perf_tool *tool, struct machine *machine) { struct thread *thread = machine__findnew_thread(machine, sample->tid); - struct perf_kvm *kvm = container_of(tool, struct perf_kvm, tool); + struct perf_kvm_stat *kvm = container_of(tool, struct perf_kvm_stat, + tool); if (thread == NULL) { pr_debug("problem processing %d event, skipping it.\n", @@ -701,7 +721,7 @@ static int get_cpu_isa(struct perf_session *session) return isa; } -static int read_events(struct perf_kvm *kvm) +static int read_events(struct perf_kvm_stat *kvm) { int ret; @@ -750,7 +770,7 @@ static bool verify_vcpu(int vcpu) return true; } -static int kvm_events_report_vcpu(struct perf_kvm *kvm) +static int kvm_events_report_vcpu(struct perf_kvm_stat *kvm) { int ret = -EINVAL; int vcpu = kvm->trace_vcpu; @@ -798,7 +818,8 @@ static const char * const record_args[] = { _p; \ }) -static int kvm_events_record(struct perf_kvm *kvm, int argc, const char **argv) +static int +kvm_events_record(struct perf_kvm_stat *kvm, int argc, const char **argv) { unsigned int rec_argc, i, j; const char **rec_argv; @@ -821,7 +842,8 @@ static int kvm_events_record(struct perf_kvm *kvm, int argc, const char **argv) return cmd_record(i, rec_argv, NULL); } -static int kvm_events_report(struct perf_kvm *kvm, int argc, const char **argv) +static int +kvm_events_report(struct perf_kvm_stat *kvm, int argc, const char **argv) { const struct option kvm_events_report_options[] = { OPT_STRING(0, "event", &kvm->report_event, "report event", @@ -864,24 +886,37 @@ static void print_kvm_stat_usage(void) printf("\nOtherwise, it is the alias of 'perf stat':\n"); } -static int kvm_cmd_stat(struct perf_kvm *kvm, int argc, const char **argv) +static int kvm_cmd_stat(const char *file_name, int argc, const char **argv) { + struct perf_kvm_stat kvm = { + .file_name = file_name, + + .trace_vcpu = -1, + .report_event = "vmexit", + .sort_key = "sample", + + .exit_reasons = svm_exit_reasons, + .exit_reasons_size = ARRAY_SIZE(svm_exit_reasons), + .exit_reasons_isa = "SVM", + }; + if (argc == 1) { print_kvm_stat_usage(); goto perf_stat; } if (!strncmp(argv[1], "rec", 3)) - return kvm_events_record(kvm, argc - 1, argv + 1); + return kvm_events_record(&kvm, argc - 1, argv + 1); if (!strncmp(argv[1], "rep", 3)) - return kvm_events_report(kvm, argc - 1 , argv + 1); + return kvm_events_report(&kvm, argc - 1 , argv + 1); perf_stat: return cmd_stat(argc, argv, NULL); } +#endif -static int __cmd_record(struct perf_kvm *kvm, int argc, const char **argv) +static int __cmd_record(const char *file_name, int argc, const char **argv) { int rec_argc, i = 0, j; const char **rec_argv; @@ -890,7 +925,7 @@ static int __cmd_record(struct perf_kvm *kvm, int argc, const char **argv) rec_argv = calloc(rec_argc + 1, sizeof(char *)); rec_argv[i++] = strdup("record"); rec_argv[i++] = strdup("-o"); - rec_argv[i++] = strdup(kvm->file_name); + rec_argv[i++] = strdup(file_name); for (j = 1; j < argc; j++, i++) rec_argv[i] = argv[j]; @@ -899,7 +934,7 @@ static int __cmd_record(struct perf_kvm *kvm, int argc, const char **argv) return cmd_record(i, rec_argv, NULL); } -static int __cmd_report(struct perf_kvm *kvm, int argc, const char **argv) +static int __cmd_report(const char *file_name, int argc, const char **argv) { int rec_argc, i = 0, j; const char **rec_argv; @@ -908,7 +943,7 @@ static int __cmd_report(struct perf_kvm *kvm, int argc, const char **argv) rec_argv = calloc(rec_argc + 1, sizeof(char *)); rec_argv[i++] = strdup("report"); rec_argv[i++] = strdup("-i"); - rec_argv[i++] = strdup(kvm->file_name); + rec_argv[i++] = strdup(file_name); for (j = 1; j < argc; j++, i++) rec_argv[i] = argv[j]; @@ -917,7 +952,8 @@ static int __cmd_report(struct perf_kvm *kvm, int argc, const char **argv) return cmd_report(i, rec_argv, NULL); } -static int __cmd_buildid_list(struct perf_kvm *kvm, int argc, const char **argv) +static int +__cmd_buildid_list(const char *file_name, int argc, const char **argv) { int rec_argc, i = 0, j; const char **rec_argv; @@ -926,7 +962,7 @@ static int __cmd_buildid_list(struct perf_kvm *kvm, int argc, const char **argv) rec_argv = calloc(rec_argc + 1, sizeof(char *)); rec_argv[i++] = strdup("buildid-list"); rec_argv[i++] = strdup("-i"); - rec_argv[i++] = strdup(kvm->file_name); + rec_argv[i++] = strdup(file_name); for (j = 1; j < argc; j++, i++) rec_argv[i] = argv[j]; @@ -937,20 +973,12 @@ static int __cmd_buildid_list(struct perf_kvm *kvm, int argc, const char **argv) int cmd_kvm(int argc, const char **argv, const char *prefix __maybe_unused) { - struct perf_kvm kvm = { - .trace_vcpu = -1, - .report_event = "vmexit", - .sort_key = "sample", - - .exit_reasons = svm_exit_reasons, - .exit_reasons_size = ARRAY_SIZE(svm_exit_reasons), - .exit_reasons_isa = "SVM", - }; + const char *file_name; const struct option kvm_options[] = { - OPT_STRING('i', "input", &kvm.file_name, "file", + OPT_STRING('i', "input", &file_name, "file", "Input file name"), - OPT_STRING('o', "output", &kvm.file_name, "file", + OPT_STRING('o', "output", &file_name, "file", "Output file name"), OPT_BOOLEAN(0, "guest", &perf_guest, "Collect guest os data"), @@ -985,32 +1013,34 @@ int cmd_kvm(int argc, const char **argv, const char *prefix __maybe_unused) if (!perf_host) perf_guest = 1; - if (!kvm.file_name) { + if (!file_name) { if (perf_host && !perf_guest) - kvm.file_name = strdup("perf.data.host"); + file_name = strdup("perf.data.host"); else if (!perf_host && perf_guest) - kvm.file_name = strdup("perf.data.guest"); + file_name = strdup("perf.data.guest"); else - kvm.file_name = strdup("perf.data.kvm"); + file_name = strdup("perf.data.kvm"); - if (!kvm.file_name) { + if (!file_name) { pr_err("Failed to allocate memory for filename\n"); return -ENOMEM; } } if (!strncmp(argv[0], "rec", 3)) - return __cmd_record(&kvm, argc, argv); + return __cmd_record(file_name, argc, argv); else if (!strncmp(argv[0], "rep", 3)) - return __cmd_report(&kvm, argc, argv); + return __cmd_report(file_name, argc, argv); else if (!strncmp(argv[0], "diff", 4)) return cmd_diff(argc, argv, NULL); else if (!strncmp(argv[0], "top", 3)) return cmd_top(argc, argv, NULL); else if (!strncmp(argv[0], "buildid-list", 12)) - return __cmd_buildid_list(&kvm, argc, argv); + return __cmd_buildid_list(file_name, argc, argv); +#if defined(__i386__) || defined(__x86_64__) else if (!strncmp(argv[0], "stat", 4)) - return kvm_cmd_stat(&kvm, argc, argv); + return kvm_cmd_stat(file_name, argc, argv); +#endif else usage_with_options(kvm_usage, kvm_options); diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c index 6f5f328157aa..425830069749 100644 --- a/tools/perf/builtin-lock.c +++ b/tools/perf/builtin-lock.c @@ -335,8 +335,6 @@ alloc_failed: return NULL; } -static const char *input_name; - struct trace_lock_handler { int (*acquire_event)(struct perf_evsel *evsel, struct perf_sample *sample); diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index e9231659754d..f3151d3c70ce 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -31,6 +31,38 @@ #include <sched.h> #include <sys/mman.h> +#ifndef HAVE_ON_EXIT +#ifndef ATEXIT_MAX +#define ATEXIT_MAX 32 +#endif +static int __on_exit_count = 0; +typedef void (*on_exit_func_t) (int, void *); +static on_exit_func_t __on_exit_funcs[ATEXIT_MAX]; +static void *__on_exit_args[ATEXIT_MAX]; +static int __exitcode = 0; +static void __handle_on_exit_funcs(void); +static int on_exit(on_exit_func_t function, void *arg); +#define exit(x) (exit)(__exitcode = (x)) + +static int on_exit(on_exit_func_t function, void *arg) +{ + if (__on_exit_count == ATEXIT_MAX) + return -ENOMEM; + else if (__on_exit_count == 0) + atexit(__handle_on_exit_funcs); + __on_exit_funcs[__on_exit_count] = function; + __on_exit_args[__on_exit_count++] = arg; + return 0; +} + +static void __handle_on_exit_funcs(void) +{ + int i; + for (i = 0; i < __on_exit_count; i++) + __on_exit_funcs[i] (__exitcode, __on_exit_args[i]); +} +#endif + enum write_mode_t { WRITE_FORCE, WRITE_APPEND @@ -198,11 +230,15 @@ static int perf_record__open(struct perf_record *rec) struct perf_record_opts *opts = &rec->opts; int rc = 0; - perf_evlist__config_attrs(evlist, opts); - + /* + * Set the evsel leader links before we configure attributes, + * since some might depend on this info. + */ if (opts->group) perf_evlist__set_leader(evlist); + perf_evlist__config_attrs(evlist, opts); + list_for_each_entry(pos, &evlist->entries, node) { struct perf_event_attr *attr = &pos->attr; /* @@ -285,6 +321,11 @@ try_again: perf_evsel__name(pos)); rc = -err; goto out; + } else if ((err == EOPNOTSUPP) && (attr->precise_ip)) { + ui__error("\'precise\' request may not be supported. " + "Try removing 'p' modifier\n"); + rc = -err; + goto out; } printf("\n"); @@ -326,7 +367,8 @@ try_again: "or try again with a smaller value of -m/--mmap_pages.\n" "(current value: %d)\n", opts->mmap_pages); rc = -errno; - } else if (!is_power_of_2(opts->mmap_pages)) { + } else if (!is_power_of_2(opts->mmap_pages) && + (opts->mmap_pages != UINT_MAX)) { pr_err("--mmap_pages/-m value must be a power of two."); rc = -EINVAL; } else { @@ -460,6 +502,7 @@ static int __cmd_record(struct perf_record *rec, int argc, const char **argv) struct perf_evlist *evsel_list = rec->evlist; const char *output_name = rec->output_name; struct perf_session *session; + bool disabled = false; rec->progname = argv[0]; @@ -659,7 +702,13 @@ static int __cmd_record(struct perf_record *rec, int argc, const char **argv) } } - perf_evlist__enable(evsel_list); + /* + * When perf is starting the traced process, all the events + * (apart from group members) have enable_on_exec=1 set, + * so don't spoil it by prematurely enabling them. + */ + if (!perf_target__none(&opts->target)) + perf_evlist__enable(evsel_list); /* * Let the child rip @@ -682,8 +731,15 @@ static int __cmd_record(struct perf_record *rec, int argc, const char **argv) waking++; } - if (done) + /* + * When perf is starting the traced process, at the end events + * die with the process and we wait for that. Thus no need to + * disable events in this case. + */ + if (done && !disabled && !perf_target__none(&opts->target)) { perf_evlist__disable(evsel_list); + disabled = true; + } } if (quiet || signr == SIGUSR1) diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index a61725d89d3e..fc251005dd3d 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -33,13 +33,13 @@ #include "util/thread.h" #include "util/sort.h" #include "util/hist.h" +#include "arch/common.h" #include <linux/bitmap.h> struct perf_report { struct perf_tool tool; struct perf_session *session; - char const *input_name; bool force, use_tui, use_gtk, use_stdio; bool hide_unresolved; bool dont_use_callchains; @@ -428,10 +428,11 @@ static int __cmd_report(struct perf_report *rep) if (use_browser > 0) { if (use_browser == 1) { perf_evlist__tui_browse_hists(session->evlist, help, - NULL, NULL, 0); + NULL, + &session->header.env); } else if (use_browser == 2) { perf_evlist__gtk_browse_hists(session->evlist, help, - NULL, NULL, 0); + NULL); } } else perf_evlist__tty_browse_hists(session->evlist, rep, help); @@ -556,8 +557,8 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused) .sample = process_sample_event, .mmap = perf_event__process_mmap, .comm = perf_event__process_comm, - .exit = perf_event__process_task, - .fork = perf_event__process_task, + .exit = perf_event__process_exit, + .fork = perf_event__process_fork, .lost = perf_event__process_lost, .read = process_read_event, .attr = perf_event__process_attr, @@ -570,7 +571,7 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused) .pretty_printing_style = "normal", }; const struct option options[] = { - OPT_STRING('i', "input", &report.input_name, "file", + OPT_STRING('i', "input", &input_name, "file", "input file name"), OPT_INCR('v', "verbose", &verbose, "be more verbose (show symbol address, etc)"), @@ -656,13 +657,13 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused) if (report.inverted_callchain) callchain_param.order = ORDER_CALLER; - if (!report.input_name || !strlen(report.input_name)) { + if (!input_name || !strlen(input_name)) { if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) - report.input_name = "-"; + input_name = "-"; else - report.input_name = "perf.data"; + input_name = "perf.data"; } - session = perf_session__new(report.input_name, O_RDONLY, + session = perf_session__new(input_name, O_RDONLY, report.force, false, &report.tool); if (session == NULL) return -ENOMEM; @@ -687,7 +688,7 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused) } - if (strcmp(report.input_name, "-") != 0) + if (strcmp(input_name, "-") != 0) setup_browser(true); else { use_browser = 0; diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c index 3488ead3b60c..cc28b85dabd5 100644 --- a/tools/perf/builtin-sched.c +++ b/tools/perf/builtin-sched.c @@ -120,7 +120,6 @@ struct trace_sched_handler { struct perf_sched { struct perf_tool tool; - const char *input_name; const char *sort_order; unsigned long nr_tasks; struct task_desc *pid_to_task[MAX_PID]; @@ -1460,7 +1459,7 @@ static int perf_sched__read_events(struct perf_sched *sched, bool destroy, }; struct perf_session *session; - session = perf_session__new(sched->input_name, O_RDONLY, 0, false, &sched->tool); + session = perf_session__new(input_name, O_RDONLY, 0, false, &sched->tool); if (session == NULL) { pr_debug("No Memory for session\n"); return -1; @@ -1672,7 +1671,8 @@ int cmd_sched(int argc, const char **argv, const char *prefix __maybe_unused) .sample = perf_sched__process_tracepoint_sample, .comm = perf_event__process_comm, .lost = perf_event__process_lost, - .fork = perf_event__process_task, + .exit = perf_event__process_exit, + .fork = perf_event__process_fork, .ordered_samples = true, }, .cmp_pid = LIST_HEAD_INIT(sched.cmp_pid), @@ -1707,7 +1707,7 @@ int cmd_sched(int argc, const char **argv, const char *prefix __maybe_unused) OPT_END() }; const struct option sched_options[] = { - OPT_STRING('i', "input", &sched.input_name, "file", + OPT_STRING('i', "input", &input_name, "file", "input file name"), OPT_INCR('v', "verbose", &verbose, "be more verbose (show symbol address, etc)"), diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index fb9625083a2e..b363e7b292b2 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -520,8 +520,8 @@ static struct perf_tool perf_script = { .sample = process_sample_event, .mmap = perf_event__process_mmap, .comm = perf_event__process_comm, - .exit = perf_event__process_task, - .fork = perf_event__process_task, + .exit = perf_event__process_exit, + .fork = perf_event__process_fork, .attr = perf_event__process_attr, .event_type = perf_event__process_event_type, .tracing_data = perf_event__process_tracing_data, @@ -1030,6 +1030,68 @@ static int list_available_scripts(const struct option *opt __maybe_unused, } /* + * Some scripts specify the required events in their "xxx-record" file, + * this function will check if the events in perf.data match those + * mentioned in the "xxx-record". + * + * Fixme: All existing "xxx-record" are all in good formats "-e event ", + * which is covered well now. And new parsing code should be added to + * cover the future complexing formats like event groups etc. + */ +static int check_ev_match(char *dir_name, char *scriptname, + struct perf_session *session) +{ + char filename[MAXPATHLEN], evname[128]; + char line[BUFSIZ], *p; + struct perf_evsel *pos; + int match, len; + FILE *fp; + + sprintf(filename, "%s/bin/%s-record", dir_name, scriptname); + + fp = fopen(filename, "r"); + if (!fp) + return -1; + + while (fgets(line, sizeof(line), fp)) { + p = ltrim(line); + if (*p == '#') + continue; + + while (strlen(p)) { + p = strstr(p, "-e"); + if (!p) + break; + + p += 2; + p = ltrim(p); + len = strcspn(p, " \t"); + if (!len) + break; + + snprintf(evname, len + 1, "%s", p); + + match = 0; + list_for_each_entry(pos, + &session->evlist->entries, node) { + if (!strcmp(perf_evsel__name(pos), evname)) { + match = 1; + break; + } + } + + if (!match) { + fclose(fp); + return -1; + } + } + } + + fclose(fp); + return 0; +} + +/* * Return -1 if none is found, otherwise the actual scripts number. * * Currently the only user of this function is the script browser, which @@ -1039,17 +1101,23 @@ static int list_available_scripts(const struct option *opt __maybe_unused, int find_scripts(char **scripts_array, char **scripts_path_array) { struct dirent *script_next, *lang_next, script_dirent, lang_dirent; - char scripts_path[MAXPATHLEN]; + char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN]; DIR *scripts_dir, *lang_dir; - char lang_path[MAXPATHLEN]; + struct perf_session *session; char *temp; int i = 0; + session = perf_session__new(input_name, O_RDONLY, 0, false, NULL); + if (!session) + return -1; + snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path()); scripts_dir = opendir(scripts_path); - if (!scripts_dir) + if (!scripts_dir) { + perf_session__delete(session); return -1; + } for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) { snprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path, @@ -1077,10 +1145,18 @@ int find_scripts(char **scripts_array, char **scripts_path_array) snprintf(scripts_array[i], (temp - script_dirent.d_name) + 1, "%s", script_dirent.d_name); + + if (check_ev_match(lang_path, + scripts_array[i], session)) + continue; + i++; } + closedir(lang_dir); } + closedir(scripts_dir); + perf_session__delete(session); return i; } @@ -1175,7 +1251,6 @@ static int have_cmd(int argc, const char **argv) int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused) { bool show_full_info = false; - const char *input_name = NULL; char *rec_script_path = NULL; char *rep_script_path = NULL; struct perf_session *session; diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 93b9011fa3e2..c247faca7127 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -57,6 +57,7 @@ #include "util/thread.h" #include "util/thread_map.h" +#include <stdlib.h> #include <sys/prctl.h> #include <locale.h> @@ -83,6 +84,9 @@ static const char *csv_sep = NULL; static bool csv_output = false; static bool group = false; static FILE *output = NULL; +static const char *pre_cmd = NULL; +static const char *post_cmd = NULL; +static bool sync_run = false; static volatile int done = 0; @@ -125,8 +129,7 @@ static struct stats runtime_itlb_cache_stats[MAX_NR_CPUS]; static struct stats runtime_dtlb_cache_stats[MAX_NR_CPUS]; static struct stats walltime_nsecs_stats; -static int create_perf_stat_counter(struct perf_evsel *evsel, - struct perf_evsel *first) +static int create_perf_stat_counter(struct perf_evsel *evsel) { struct perf_event_attr *attr = &evsel->attr; bool exclude_guest_missing = false; @@ -149,7 +152,8 @@ retry: return 0; } - if (!perf_target__has_task(&target) && (!group || evsel == first)) { + if (!perf_target__has_task(&target) && + !perf_evsel__is_group_member(evsel)) { attr->disabled = 1; attr->enable_on_exec = 1; } @@ -265,10 +269,10 @@ static int read_counter(struct perf_evsel *counter) return 0; } -static int run_perf_stat(int argc __maybe_unused, const char **argv) +static int __run_perf_stat(int argc __maybe_unused, const char **argv) { unsigned long long t0, t1; - struct perf_evsel *counter, *first; + struct perf_evsel *counter; int status = 0; int child_ready_pipe[2], go_pipe[2]; const bool forks = (argc > 0); @@ -328,10 +332,8 @@ static int run_perf_stat(int argc __maybe_unused, const char **argv) if (group) perf_evlist__set_leader(evsel_list); - first = perf_evlist__first(evsel_list); - list_for_each_entry(counter, &evsel_list->entries, node) { - if (create_perf_stat_counter(counter, first) < 0) { + if (create_perf_stat_counter(counter) < 0) { /* * PPC returns ENXIO for HW counters until 2.6.37 * (behavior changed with commit b0a873e). @@ -405,6 +407,32 @@ static int run_perf_stat(int argc __maybe_unused, const char **argv) return WEXITSTATUS(status); } +static int run_perf_stat(int argc __maybe_unused, const char **argv) +{ + int ret; + + if (pre_cmd) { + ret = system(pre_cmd); + if (ret) + return ret; + } + + if (sync_run) + sync(); + + ret = __run_perf_stat(argc, argv); + if (ret) + return ret; + + if (post_cmd) { + ret = system(post_cmd); + if (ret) + return ret; + } + + return ret; +} + static void print_noise_pct(double total, double avg) { double pct = rel_stddev_stats(total, avg); @@ -1069,8 +1097,7 @@ static int add_default_attributes(void) int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused) { - bool append_file = false, - sync_run = false; + bool append_file = false; int output_fd = 0; const char *output_name = NULL; const struct option options[] = { @@ -1114,6 +1141,10 @@ int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused) OPT_BOOLEAN(0, "append", &append_file, "append to the output file"), OPT_INTEGER(0, "log-fd", &output_fd, "log output to fd, instead of stderr"), + OPT_STRING(0, "pre", &pre_cmd, "command", + "command to run prior to the measured command"), + OPT_STRING(0, "post", &post_cmd, "command", + "command to run after to the measured command"), OPT_END() }; const char * const stat_usage[] = { @@ -1238,9 +1269,6 @@ int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused) fprintf(output, "[ perf stat: executing run #%d ... ]\n", run_idx + 1); - if (sync_run) - sync(); - status = run_perf_stat(argc, argv); } diff --git a/tools/perf/builtin-test.c b/tools/perf/builtin-test.c deleted file mode 100644 index 484f26cc0c00..000000000000 --- a/tools/perf/builtin-test.c +++ /dev/null @@ -1,1547 +0,0 @@ -/* - * builtin-test.c - * - * Builtin regression testing command: ever growing number of sanity tests - */ -#include "builtin.h" - -#include "util/cache.h" -#include "util/debug.h" -#include "util/debugfs.h" -#include "util/evlist.h" -#include "util/parse-options.h" -#include "util/parse-events.h" -#include "util/symbol.h" -#include "util/thread_map.h" -#include "util/pmu.h" -#include "event-parse.h" -#include "../../include/linux/hw_breakpoint.h" - -#include <sys/mman.h> - -static int vmlinux_matches_kallsyms_filter(struct map *map __maybe_unused, - struct symbol *sym) -{ - bool *visited = symbol__priv(sym); - *visited = true; - return 0; -} - -static int test__vmlinux_matches_kallsyms(void) -{ - int err = -1; - struct rb_node *nd; - struct symbol *sym; - struct map *kallsyms_map, *vmlinux_map; - struct machine kallsyms, vmlinux; - enum map_type type = MAP__FUNCTION; - long page_size = sysconf(_SC_PAGE_SIZE); - struct ref_reloc_sym ref_reloc_sym = { .name = "_stext", }; - - /* - * Step 1: - * - * Init the machines that will hold kernel, modules obtained from - * both vmlinux + .ko files and from /proc/kallsyms split by modules. - */ - machine__init(&kallsyms, "", HOST_KERNEL_ID); - machine__init(&vmlinux, "", HOST_KERNEL_ID); - - /* - * Step 2: - * - * Create the kernel maps for kallsyms and the DSO where we will then - * load /proc/kallsyms. Also create the modules maps from /proc/modules - * and find the .ko files that match them in /lib/modules/`uname -r`/. - */ - if (machine__create_kernel_maps(&kallsyms) < 0) { - pr_debug("machine__create_kernel_maps "); - return -1; - } - - /* - * Step 3: - * - * Load and split /proc/kallsyms into multiple maps, one per module. - */ - if (machine__load_kallsyms(&kallsyms, "/proc/kallsyms", type, NULL) <= 0) { - pr_debug("dso__load_kallsyms "); - goto out; - } - - /* - * Step 4: - * - * kallsyms will be internally on demand sorted by name so that we can - * find the reference relocation * symbol, i.e. the symbol we will use - * to see if the running kernel was relocated by checking if it has the - * same value in the vmlinux file we load. - */ - kallsyms_map = machine__kernel_map(&kallsyms, type); - - sym = map__find_symbol_by_name(kallsyms_map, ref_reloc_sym.name, NULL); - if (sym == NULL) { - pr_debug("dso__find_symbol_by_name "); - goto out; - } - - ref_reloc_sym.addr = sym->start; - - /* - * Step 5: - * - * Now repeat step 2, this time for the vmlinux file we'll auto-locate. - */ - if (machine__create_kernel_maps(&vmlinux) < 0) { - pr_debug("machine__create_kernel_maps "); - goto out; - } - - vmlinux_map = machine__kernel_map(&vmlinux, type); - map__kmap(vmlinux_map)->ref_reloc_sym = &ref_reloc_sym; - - /* - * Step 6: - * - * Locate a vmlinux file in the vmlinux path that has a buildid that - * matches the one of the running kernel. - * - * While doing that look if we find the ref reloc symbol, if we find it - * we'll have its ref_reloc_symbol.unrelocated_addr and then - * maps__reloc_vmlinux will notice and set proper ->[un]map_ip routines - * to fixup the symbols. - */ - if (machine__load_vmlinux_path(&vmlinux, type, - vmlinux_matches_kallsyms_filter) <= 0) { - pr_debug("machine__load_vmlinux_path "); - goto out; - } - - err = 0; - /* - * Step 7: - * - * Now look at the symbols in the vmlinux DSO and check if we find all of them - * in the kallsyms dso. For the ones that are in both, check its names and - * end addresses too. - */ - for (nd = rb_first(&vmlinux_map->dso->symbols[type]); nd; nd = rb_next(nd)) { - struct symbol *pair, *first_pair; - bool backwards = true; - - sym = rb_entry(nd, struct symbol, rb_node); - - if (sym->start == sym->end) - continue; - - first_pair = machine__find_kernel_symbol(&kallsyms, type, sym->start, NULL, NULL); - pair = first_pair; - - if (pair && pair->start == sym->start) { -next_pair: - if (strcmp(sym->name, pair->name) == 0) { - /* - * kallsyms don't have the symbol end, so we - * set that by using the next symbol start - 1, - * in some cases we get this up to a page - * wrong, trace_kmalloc when I was developing - * this code was one such example, 2106 bytes - * off the real size. More than that and we - * _really_ have a problem. - */ - s64 skew = sym->end - pair->end; - if (llabs(skew) < page_size) - continue; - - pr_debug("%#" PRIx64 ": diff end addr for %s v: %#" PRIx64 " k: %#" PRIx64 "\n", - sym->start, sym->name, sym->end, pair->end); - } else { - struct rb_node *nnd; -detour: - nnd = backwards ? rb_prev(&pair->rb_node) : - rb_next(&pair->rb_node); - if (nnd) { - struct symbol *next = rb_entry(nnd, struct symbol, rb_node); - - if (next->start == sym->start) { - pair = next; - goto next_pair; - } - } - - if (backwards) { - backwards = false; - pair = first_pair; - goto detour; - } - - pr_debug("%#" PRIx64 ": diff name v: %s k: %s\n", - sym->start, sym->name, pair->name); - } - } else - pr_debug("%#" PRIx64 ": %s not on kallsyms\n", sym->start, sym->name); - - err = -1; - } - - if (!verbose) - goto out; - - pr_info("Maps only in vmlinux:\n"); - - for (nd = rb_first(&vmlinux.kmaps.maps[type]); nd; nd = rb_next(nd)) { - struct map *pos = rb_entry(nd, struct map, rb_node), *pair; - /* - * If it is the kernel, kallsyms is always "[kernel.kallsyms]", while - * the kernel will have the path for the vmlinux file being used, - * so use the short name, less descriptive but the same ("[kernel]" in - * both cases. - */ - pair = map_groups__find_by_name(&kallsyms.kmaps, type, - (pos->dso->kernel ? - pos->dso->short_name : - pos->dso->name)); - if (pair) - pair->priv = 1; - else - map__fprintf(pos, stderr); - } - - pr_info("Maps in vmlinux with a different name in kallsyms:\n"); - - for (nd = rb_first(&vmlinux.kmaps.maps[type]); nd; nd = rb_next(nd)) { - struct map *pos = rb_entry(nd, struct map, rb_node), *pair; - - pair = map_groups__find(&kallsyms.kmaps, type, pos->start); - if (pair == NULL || pair->priv) - continue; - - if (pair->start == pos->start) { - pair->priv = 1; - pr_info(" %" PRIx64 "-%" PRIx64 " %" PRIx64 " %s in kallsyms as", - pos->start, pos->end, pos->pgoff, pos->dso->name); - if (pos->pgoff != pair->pgoff || pos->end != pair->end) - pr_info(": \n*%" PRIx64 "-%" PRIx64 " %" PRIx64 "", - pair->start, pair->end, pair->pgoff); - pr_info(" %s\n", pair->dso->name); - pair->priv = 1; - } - } - - pr_info("Maps only in kallsyms:\n"); - - for (nd = rb_first(&kallsyms.kmaps.maps[type]); - nd; nd = rb_next(nd)) { - struct map *pos = rb_entry(nd, struct map, rb_node); - - if (!pos->priv) - map__fprintf(pos, stderr); - } -out: - return err; -} - -#include "util/cpumap.h" -#include "util/evsel.h" -#include <sys/types.h> - -static int trace_event__id(const char *evname) -{ - char *filename; - int err = -1, fd; - - if (asprintf(&filename, - "%s/syscalls/%s/id", - tracing_events_path, evname) < 0) - return -1; - - fd = open(filename, O_RDONLY); - if (fd >= 0) { - char id[16]; - if (read(fd, id, sizeof(id)) > 0) - err = atoi(id); - close(fd); - } - - free(filename); - return err; -} - -static int test__open_syscall_event(void) -{ - int err = -1, fd; - struct thread_map *threads; - struct perf_evsel *evsel; - struct perf_event_attr attr; - unsigned int nr_open_calls = 111, i; - int id = trace_event__id("sys_enter_open"); - - if (id < 0) { - pr_debug("is debugfs mounted on /sys/kernel/debug?\n"); - return -1; - } - - threads = thread_map__new(-1, getpid(), UINT_MAX); - if (threads == NULL) { - pr_debug("thread_map__new\n"); - return -1; - } - - memset(&attr, 0, sizeof(attr)); - attr.type = PERF_TYPE_TRACEPOINT; - attr.config = id; - evsel = perf_evsel__new(&attr, 0); - if (evsel == NULL) { - pr_debug("perf_evsel__new\n"); - goto out_thread_map_delete; - } - - if (perf_evsel__open_per_thread(evsel, threads) < 0) { - pr_debug("failed to open counter: %s, " - "tweak /proc/sys/kernel/perf_event_paranoid?\n", - strerror(errno)); - goto out_evsel_delete; - } - - for (i = 0; i < nr_open_calls; ++i) { - fd = open("/etc/passwd", O_RDONLY); - close(fd); - } - - if (perf_evsel__read_on_cpu(evsel, 0, 0) < 0) { - pr_debug("perf_evsel__read_on_cpu\n"); - goto out_close_fd; - } - - if (evsel->counts->cpu[0].val != nr_open_calls) { - pr_debug("perf_evsel__read_on_cpu: expected to intercept %d calls, got %" PRIu64 "\n", - nr_open_calls, evsel->counts->cpu[0].val); - goto out_close_fd; - } - - err = 0; -out_close_fd: - perf_evsel__close_fd(evsel, 1, threads->nr); -out_evsel_delete: - perf_evsel__delete(evsel); -out_thread_map_delete: - thread_map__delete(threads); - return err; -} - -#include <sched.h> - -static int test__open_syscall_event_on_all_cpus(void) -{ - int err = -1, fd, cpu; - struct thread_map *threads; - struct cpu_map *cpus; - struct perf_evsel *evsel; - struct perf_event_attr attr; - unsigned int nr_open_calls = 111, i; - cpu_set_t cpu_set; - int id = trace_event__id("sys_enter_open"); - - if (id < 0) { - pr_debug("is debugfs mounted on /sys/kernel/debug?\n"); - return -1; - } - - threads = thread_map__new(-1, getpid(), UINT_MAX); - if (threads == NULL) { - pr_debug("thread_map__new\n"); - return -1; - } - - cpus = cpu_map__new(NULL); - if (cpus == NULL) { - pr_debug("cpu_map__new\n"); - goto out_thread_map_delete; - } - - - CPU_ZERO(&cpu_set); - - memset(&attr, 0, sizeof(attr)); - attr.type = PERF_TYPE_TRACEPOINT; - attr.config = id; - evsel = perf_evsel__new(&attr, 0); - if (evsel == NULL) { - pr_debug("perf_evsel__new\n"); - goto out_thread_map_delete; - } - - if (perf_evsel__open(evsel, cpus, threads) < 0) { - pr_debug("failed to open counter: %s, " - "tweak /proc/sys/kernel/perf_event_paranoid?\n", - strerror(errno)); - goto out_evsel_delete; - } - - for (cpu = 0; cpu < cpus->nr; ++cpu) { - unsigned int ncalls = nr_open_calls + cpu; - /* - * XXX eventually lift this restriction in a way that - * keeps perf building on older glibc installations - * without CPU_ALLOC. 1024 cpus in 2010 still seems - * a reasonable upper limit tho :-) - */ - if (cpus->map[cpu] >= CPU_SETSIZE) { - pr_debug("Ignoring CPU %d\n", cpus->map[cpu]); - continue; - } - - CPU_SET(cpus->map[cpu], &cpu_set); - if (sched_setaffinity(0, sizeof(cpu_set), &cpu_set) < 0) { - pr_debug("sched_setaffinity() failed on CPU %d: %s ", - cpus->map[cpu], - strerror(errno)); - goto out_close_fd; - } - for (i = 0; i < ncalls; ++i) { - fd = open("/etc/passwd", O_RDONLY); - close(fd); - } - CPU_CLR(cpus->map[cpu], &cpu_set); - } - - /* - * Here we need to explicitely preallocate the counts, as if - * we use the auto allocation it will allocate just for 1 cpu, - * as we start by cpu 0. - */ - if (perf_evsel__alloc_counts(evsel, cpus->nr) < 0) { - pr_debug("perf_evsel__alloc_counts(ncpus=%d)\n", cpus->nr); - goto out_close_fd; - } - - err = 0; - - for (cpu = 0; cpu < cpus->nr; ++cpu) { - unsigned int expected; - - if (cpus->map[cpu] >= CPU_SETSIZE) - continue; - - if (perf_evsel__read_on_cpu(evsel, cpu, 0) < 0) { - pr_debug("perf_evsel__read_on_cpu\n"); - err = -1; - break; - } - - expected = nr_open_calls + cpu; - if (evsel->counts->cpu[cpu].val != expected) { - pr_debug("perf_evsel__read_on_cpu: expected to intercept %d calls on cpu %d, got %" PRIu64 "\n", - expected, cpus->map[cpu], evsel->counts->cpu[cpu].val); - err = -1; - } - } - -out_close_fd: - perf_evsel__close_fd(evsel, 1, threads->nr); -out_evsel_delete: - perf_evsel__delete(evsel); -out_thread_map_delete: - thread_map__delete(threads); - return err; -} - -/* - * This test will generate random numbers of calls to some getpid syscalls, - * then establish an mmap for a group of events that are created to monitor - * the syscalls. - * - * It will receive the events, using mmap, use its PERF_SAMPLE_ID generated - * sample.id field to map back to its respective perf_evsel instance. - * - * Then it checks if the number of syscalls reported as perf events by - * the kernel corresponds to the number of syscalls made. - */ -static int test__basic_mmap(void) -{ - int err = -1; - union perf_event *event; - struct thread_map *threads; - struct cpu_map *cpus; - struct perf_evlist *evlist; - struct perf_event_attr attr = { - .type = PERF_TYPE_TRACEPOINT, - .read_format = PERF_FORMAT_ID, - .sample_type = PERF_SAMPLE_ID, - .watermark = 0, - }; - cpu_set_t cpu_set; - const char *syscall_names[] = { "getsid", "getppid", "getpgrp", - "getpgid", }; - pid_t (*syscalls[])(void) = { (void *)getsid, getppid, getpgrp, - (void*)getpgid }; -#define nsyscalls ARRAY_SIZE(syscall_names) - int ids[nsyscalls]; - unsigned int nr_events[nsyscalls], - expected_nr_events[nsyscalls], i, j; - struct perf_evsel *evsels[nsyscalls], *evsel; - - for (i = 0; i < nsyscalls; ++i) { - char name[64]; - - snprintf(name, sizeof(name), "sys_enter_%s", syscall_names[i]); - ids[i] = trace_event__id(name); - if (ids[i] < 0) { - pr_debug("Is debugfs mounted on /sys/kernel/debug?\n"); - return -1; - } - nr_events[i] = 0; - expected_nr_events[i] = random() % 257; - } - - threads = thread_map__new(-1, getpid(), UINT_MAX); - if (threads == NULL) { - pr_debug("thread_map__new\n"); - return -1; - } - - cpus = cpu_map__new(NULL); - if (cpus == NULL) { - pr_debug("cpu_map__new\n"); - goto out_free_threads; - } - - CPU_ZERO(&cpu_set); - CPU_SET(cpus->map[0], &cpu_set); - sched_setaffinity(0, sizeof(cpu_set), &cpu_set); - if (sched_setaffinity(0, sizeof(cpu_set), &cpu_set) < 0) { - pr_debug("sched_setaffinity() failed on CPU %d: %s ", - cpus->map[0], strerror(errno)); - goto out_free_cpus; - } - - evlist = perf_evlist__new(cpus, threads); - if (evlist == NULL) { - pr_debug("perf_evlist__new\n"); - goto out_free_cpus; - } - - /* anonymous union fields, can't be initialized above */ - attr.wakeup_events = 1; - attr.sample_period = 1; - - for (i = 0; i < nsyscalls; ++i) { - attr.config = ids[i]; - evsels[i] = perf_evsel__new(&attr, i); - if (evsels[i] == NULL) { - pr_debug("perf_evsel__new\n"); - goto out_free_evlist; - } - - perf_evlist__add(evlist, evsels[i]); - - if (perf_evsel__open(evsels[i], cpus, threads) < 0) { - pr_debug("failed to open counter: %s, " - "tweak /proc/sys/kernel/perf_event_paranoid?\n", - strerror(errno)); - goto out_close_fd; - } - } - - if (perf_evlist__mmap(evlist, 128, true) < 0) { - pr_debug("failed to mmap events: %d (%s)\n", errno, - strerror(errno)); - goto out_close_fd; - } - - for (i = 0; i < nsyscalls; ++i) - for (j = 0; j < expected_nr_events[i]; ++j) { - int foo = syscalls[i](); - ++foo; - } - - while ((event = perf_evlist__mmap_read(evlist, 0)) != NULL) { - struct perf_sample sample; - - if (event->header.type != PERF_RECORD_SAMPLE) { - pr_debug("unexpected %s event\n", - perf_event__name(event->header.type)); - goto out_munmap; - } - - err = perf_evlist__parse_sample(evlist, event, &sample); - if (err) { - pr_err("Can't parse sample, err = %d\n", err); - goto out_munmap; - } - - evsel = perf_evlist__id2evsel(evlist, sample.id); - if (evsel == NULL) { - pr_debug("event with id %" PRIu64 - " doesn't map to an evsel\n", sample.id); - goto out_munmap; - } - nr_events[evsel->idx]++; - } - - list_for_each_entry(evsel, &evlist->entries, node) { - if (nr_events[evsel->idx] != expected_nr_events[evsel->idx]) { - pr_debug("expected %d %s events, got %d\n", - expected_nr_events[evsel->idx], - perf_evsel__name(evsel), nr_events[evsel->idx]); - goto out_munmap; - } - } - - err = 0; -out_munmap: - perf_evlist__munmap(evlist); -out_close_fd: - for (i = 0; i < nsyscalls; ++i) - perf_evsel__close_fd(evsels[i], 1, threads->nr); -out_free_evlist: - perf_evlist__delete(evlist); -out_free_cpus: - cpu_map__delete(cpus); -out_free_threads: - thread_map__delete(threads); - return err; -#undef nsyscalls -} - -static int sched__get_first_possible_cpu(pid_t pid, cpu_set_t **maskp, - size_t *sizep) -{ - cpu_set_t *mask; - size_t size; - int i, cpu = -1, nrcpus = 1024; -realloc: - mask = CPU_ALLOC(nrcpus); - size = CPU_ALLOC_SIZE(nrcpus); - CPU_ZERO_S(size, mask); - - if (sched_getaffinity(pid, size, mask) == -1) { - CPU_FREE(mask); - if (errno == EINVAL && nrcpus < (1024 << 8)) { - nrcpus = nrcpus << 2; - goto realloc; - } - perror("sched_getaffinity"); - return -1; - } - - for (i = 0; i < nrcpus; i++) { - if (CPU_ISSET_S(i, size, mask)) { - if (cpu == -1) { - cpu = i; - *maskp = mask; - *sizep = size; - } else - CPU_CLR_S(i, size, mask); - } - } - - if (cpu == -1) - CPU_FREE(mask); - - return cpu; -} - -static int test__PERF_RECORD(void) -{ - struct perf_record_opts opts = { - .target = { - .uid = UINT_MAX, - .uses_mmap = true, - }, - .no_delay = true, - .freq = 10, - .mmap_pages = 256, - }; - cpu_set_t *cpu_mask = NULL; - size_t cpu_mask_size = 0; - struct perf_evlist *evlist = perf_evlist__new(NULL, NULL); - struct perf_evsel *evsel; - struct perf_sample sample; - const char *cmd = "sleep"; - const char *argv[] = { cmd, "1", NULL, }; - char *bname; - u64 prev_time = 0; - bool found_cmd_mmap = false, - found_libc_mmap = false, - found_vdso_mmap = false, - found_ld_mmap = false; - int err = -1, errs = 0, i, wakeups = 0; - u32 cpu; - int total_events = 0, nr_events[PERF_RECORD_MAX] = { 0, }; - - if (evlist == NULL || argv == NULL) { - pr_debug("Not enough memory to create evlist\n"); - goto out; - } - - /* - * We need at least one evsel in the evlist, use the default - * one: "cycles". - */ - err = perf_evlist__add_default(evlist); - if (err < 0) { - pr_debug("Not enough memory to create evsel\n"); - goto out_delete_evlist; - } - - /* - * Create maps of threads and cpus to monitor. In this case - * we start with all threads and cpus (-1, -1) but then in - * perf_evlist__prepare_workload we'll fill in the only thread - * we're monitoring, the one forked there. - */ - err = perf_evlist__create_maps(evlist, &opts.target); - if (err < 0) { - pr_debug("Not enough memory to create thread/cpu maps\n"); - goto out_delete_evlist; - } - - /* - * Prepare the workload in argv[] to run, it'll fork it, and then wait - * for perf_evlist__start_workload() to exec it. This is done this way - * so that we have time to open the evlist (calling sys_perf_event_open - * on all the fds) and then mmap them. - */ - err = perf_evlist__prepare_workload(evlist, &opts, argv); - if (err < 0) { - pr_debug("Couldn't run the workload!\n"); - goto out_delete_evlist; - } - - /* - * Config the evsels, setting attr->comm on the first one, etc. - */ - evsel = perf_evlist__first(evlist); - evsel->attr.sample_type |= PERF_SAMPLE_CPU; - evsel->attr.sample_type |= PERF_SAMPLE_TID; - evsel->attr.sample_type |= PERF_SAMPLE_TIME; - perf_evlist__config_attrs(evlist, &opts); - - err = sched__get_first_possible_cpu(evlist->workload.pid, &cpu_mask, - &cpu_mask_size); - if (err < 0) { - pr_debug("sched__get_first_possible_cpu: %s\n", strerror(errno)); - goto out_delete_evlist; - } - - cpu = err; - - /* - * So that we can check perf_sample.cpu on all the samples. - */ - if (sched_setaffinity(evlist->workload.pid, cpu_mask_size, cpu_mask) < 0) { - pr_debug("sched_setaffinity: %s\n", strerror(errno)); - goto out_free_cpu_mask; - } - - /* - * Call sys_perf_event_open on all the fds on all the evsels, - * grouping them if asked to. - */ - err = perf_evlist__open(evlist); - if (err < 0) { - pr_debug("perf_evlist__open: %s\n", strerror(errno)); - goto out_delete_evlist; - } - - /* - * mmap the first fd on a given CPU and ask for events for the other - * fds in the same CPU to be injected in the same mmap ring buffer - * (using ioctl(PERF_EVENT_IOC_SET_OUTPUT)). - */ - err = perf_evlist__mmap(evlist, opts.mmap_pages, false); - if (err < 0) { - pr_debug("perf_evlist__mmap: %s\n", strerror(errno)); - goto out_delete_evlist; - } - - /* - * Now that all is properly set up, enable the events, they will - * count just on workload.pid, which will start... - */ - perf_evlist__enable(evlist); - - /* - * Now! - */ - perf_evlist__start_workload(evlist); - - while (1) { - int before = total_events; - - for (i = 0; i < evlist->nr_mmaps; i++) { - union perf_event *event; - - while ((event = perf_evlist__mmap_read(evlist, i)) != NULL) { - const u32 type = event->header.type; - const char *name = perf_event__name(type); - - ++total_events; - if (type < PERF_RECORD_MAX) - nr_events[type]++; - - err = perf_evlist__parse_sample(evlist, event, &sample); - if (err < 0) { - if (verbose) - perf_event__fprintf(event, stderr); - pr_debug("Couldn't parse sample\n"); - goto out_err; - } - - if (verbose) { - pr_info("%" PRIu64" %d ", sample.time, sample.cpu); - perf_event__fprintf(event, stderr); - } - - if (prev_time > sample.time) { - pr_debug("%s going backwards in time, prev=%" PRIu64 ", curr=%" PRIu64 "\n", - name, prev_time, sample.time); - ++errs; - } - - prev_time = sample.time; - - if (sample.cpu != cpu) { - pr_debug("%s with unexpected cpu, expected %d, got %d\n", - name, cpu, sample.cpu); - ++errs; - } - - if ((pid_t)sample.pid != evlist->workload.pid) { - pr_debug("%s with unexpected pid, expected %d, got %d\n", - name, evlist->workload.pid, sample.pid); - ++errs; - } - - if ((pid_t)sample.tid != evlist->workload.pid) { - pr_debug("%s with unexpected tid, expected %d, got %d\n", - name, evlist->workload.pid, sample.tid); - ++errs; - } - - if ((type == PERF_RECORD_COMM || - type == PERF_RECORD_MMAP || - type == PERF_RECORD_FORK || - type == PERF_RECORD_EXIT) && - (pid_t)event->comm.pid != evlist->workload.pid) { - pr_debug("%s with unexpected pid/tid\n", name); - ++errs; - } - - if ((type == PERF_RECORD_COMM || - type == PERF_RECORD_MMAP) && - event->comm.pid != event->comm.tid) { - pr_debug("%s with different pid/tid!\n", name); - ++errs; - } - - switch (type) { - case PERF_RECORD_COMM: - if (strcmp(event->comm.comm, cmd)) { - pr_debug("%s with unexpected comm!\n", name); - ++errs; - } - break; - case PERF_RECORD_EXIT: - goto found_exit; - case PERF_RECORD_MMAP: - bname = strrchr(event->mmap.filename, '/'); - if (bname != NULL) { - if (!found_cmd_mmap) - found_cmd_mmap = !strcmp(bname + 1, cmd); - if (!found_libc_mmap) - found_libc_mmap = !strncmp(bname + 1, "libc", 4); - if (!found_ld_mmap) - found_ld_mmap = !strncmp(bname + 1, "ld", 2); - } else if (!found_vdso_mmap) - found_vdso_mmap = !strcmp(event->mmap.filename, "[vdso]"); - break; - - case PERF_RECORD_SAMPLE: - /* Just ignore samples for now */ - break; - default: - pr_debug("Unexpected perf_event->header.type %d!\n", - type); - ++errs; - } - } - } - - /* - * We don't use poll here because at least at 3.1 times the - * PERF_RECORD_{!SAMPLE} events don't honour - * perf_event_attr.wakeup_events, just PERF_EVENT_SAMPLE does. - */ - if (total_events == before && false) - poll(evlist->pollfd, evlist->nr_fds, -1); - - sleep(1); - if (++wakeups > 5) { - pr_debug("No PERF_RECORD_EXIT event!\n"); - break; - } - } - -found_exit: - if (nr_events[PERF_RECORD_COMM] > 1) { - pr_debug("Excessive number of PERF_RECORD_COMM events!\n"); - ++errs; - } - - if (nr_events[PERF_RECORD_COMM] == 0) { - pr_debug("Missing PERF_RECORD_COMM for %s!\n", cmd); - ++errs; - } - - if (!found_cmd_mmap) { - pr_debug("PERF_RECORD_MMAP for %s missing!\n", cmd); - ++errs; - } - - if (!found_libc_mmap) { - pr_debug("PERF_RECORD_MMAP for %s missing!\n", "libc"); - ++errs; - } - - if (!found_ld_mmap) { - pr_debug("PERF_RECORD_MMAP for %s missing!\n", "ld"); - ++errs; - } - - if (!found_vdso_mmap) { - pr_debug("PERF_RECORD_MMAP for %s missing!\n", "[vdso]"); - ++errs; - } -out_err: - perf_evlist__munmap(evlist); -out_free_cpu_mask: - CPU_FREE(cpu_mask); -out_delete_evlist: - perf_evlist__delete(evlist); -out: - return (err < 0 || errs > 0) ? -1 : 0; -} - - -#if defined(__x86_64__) || defined(__i386__) - -#define barrier() asm volatile("" ::: "memory") - -static u64 rdpmc(unsigned int counter) -{ - unsigned int low, high; - - asm volatile("rdpmc" : "=a" (low), "=d" (high) : "c" (counter)); - - return low | ((u64)high) << 32; -} - -static u64 rdtsc(void) -{ - unsigned int low, high; - - asm volatile("rdtsc" : "=a" (low), "=d" (high)); - - return low | ((u64)high) << 32; -} - -static u64 mmap_read_self(void *addr) -{ - struct perf_event_mmap_page *pc = addr; - u32 seq, idx, time_mult = 0, time_shift = 0; - u64 count, cyc = 0, time_offset = 0, enabled, running, delta; - - do { - seq = pc->lock; - barrier(); - - enabled = pc->time_enabled; - running = pc->time_running; - - if (enabled != running) { - cyc = rdtsc(); - time_mult = pc->time_mult; - time_shift = pc->time_shift; - time_offset = pc->time_offset; - } - - idx = pc->index; - count = pc->offset; - if (idx) - count += rdpmc(idx - 1); - - barrier(); - } while (pc->lock != seq); - - if (enabled != running) { - u64 quot, rem; - - quot = (cyc >> time_shift); - rem = cyc & ((1 << time_shift) - 1); - delta = time_offset + quot * time_mult + - ((rem * time_mult) >> time_shift); - - enabled += delta; - if (idx) - running += delta; - - quot = count / running; - rem = count % running; - count = quot * enabled + (rem * enabled) / running; - } - - return count; -} - -/* - * If the RDPMC instruction faults then signal this back to the test parent task: - */ -static void segfault_handler(int sig __maybe_unused, - siginfo_t *info __maybe_unused, - void *uc __maybe_unused) -{ - exit(-1); -} - -static int __test__rdpmc(void) -{ - long page_size = sysconf(_SC_PAGE_SIZE); - volatile int tmp = 0; - u64 i, loops = 1000; - int n; - int fd; - void *addr; - struct perf_event_attr attr = { - .type = PERF_TYPE_HARDWARE, - .config = PERF_COUNT_HW_INSTRUCTIONS, - .exclude_kernel = 1, - }; - u64 delta_sum = 0; - struct sigaction sa; - - sigfillset(&sa.sa_mask); - sa.sa_sigaction = segfault_handler; - sigaction(SIGSEGV, &sa, NULL); - - fd = sys_perf_event_open(&attr, 0, -1, -1, 0); - if (fd < 0) { - pr_err("Error: sys_perf_event_open() syscall returned " - "with %d (%s)\n", fd, strerror(errno)); - return -1; - } - - addr = mmap(NULL, page_size, PROT_READ, MAP_SHARED, fd, 0); - if (addr == (void *)(-1)) { - pr_err("Error: mmap() syscall returned with (%s)\n", - strerror(errno)); - goto out_close; - } - - for (n = 0; n < 6; n++) { - u64 stamp, now, delta; - - stamp = mmap_read_self(addr); - - for (i = 0; i < loops; i++) - tmp++; - - now = mmap_read_self(addr); - loops *= 10; - - delta = now - stamp; - pr_debug("%14d: %14Lu\n", n, (long long)delta); - - delta_sum += delta; - } - - munmap(addr, page_size); - pr_debug(" "); -out_close: - close(fd); - - if (!delta_sum) - return -1; - - return 0; -} - -static int test__rdpmc(void) -{ - int status = 0; - int wret = 0; - int ret; - int pid; - - pid = fork(); - if (pid < 0) - return -1; - - if (!pid) { - ret = __test__rdpmc(); - - exit(ret); - } - - wret = waitpid(pid, &status, 0); - if (wret < 0 || status) - return -1; - - return 0; -} - -#endif - -static int test__perf_pmu(void) -{ - return perf_pmu__test(); -} - -static int perf_evsel__roundtrip_cache_name_test(void) -{ - char name[128]; - int type, op, err = 0, ret = 0, i, idx; - struct perf_evsel *evsel; - struct perf_evlist *evlist = perf_evlist__new(NULL, NULL); - - if (evlist == NULL) - return -ENOMEM; - - for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) { - for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) { - /* skip invalid cache type */ - if (!perf_evsel__is_cache_op_valid(type, op)) - continue; - - for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) { - __perf_evsel__hw_cache_type_op_res_name(type, op, i, - name, sizeof(name)); - err = parse_events(evlist, name, 0); - if (err) - ret = err; - } - } - } - - idx = 0; - evsel = perf_evlist__first(evlist); - - for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) { - for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) { - /* skip invalid cache type */ - if (!perf_evsel__is_cache_op_valid(type, op)) - continue; - - for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) { - __perf_evsel__hw_cache_type_op_res_name(type, op, i, - name, sizeof(name)); - if (evsel->idx != idx) - continue; - - ++idx; - - if (strcmp(perf_evsel__name(evsel), name)) { - pr_debug("%s != %s\n", perf_evsel__name(evsel), name); - ret = -1; - } - - evsel = perf_evsel__next(evsel); - } - } - } - - perf_evlist__delete(evlist); - return ret; -} - -static int __perf_evsel__name_array_test(const char *names[], int nr_names) -{ - int i, err; - struct perf_evsel *evsel; - struct perf_evlist *evlist = perf_evlist__new(NULL, NULL); - - if (evlist == NULL) - return -ENOMEM; - - for (i = 0; i < nr_names; ++i) { - err = parse_events(evlist, names[i], 0); - if (err) { - pr_debug("failed to parse event '%s', err %d\n", - names[i], err); - goto out_delete_evlist; - } - } - - err = 0; - list_for_each_entry(evsel, &evlist->entries, node) { - if (strcmp(perf_evsel__name(evsel), names[evsel->idx])) { - --err; - pr_debug("%s != %s\n", perf_evsel__name(evsel), names[evsel->idx]); - } - } - -out_delete_evlist: - perf_evlist__delete(evlist); - return err; -} - -#define perf_evsel__name_array_test(names) \ - __perf_evsel__name_array_test(names, ARRAY_SIZE(names)) - -static int perf_evsel__roundtrip_name_test(void) -{ - int err = 0, ret = 0; - - err = perf_evsel__name_array_test(perf_evsel__hw_names); - if (err) - ret = err; - - err = perf_evsel__name_array_test(perf_evsel__sw_names); - if (err) - ret = err; - - err = perf_evsel__roundtrip_cache_name_test(); - if (err) - ret = err; - - return ret; -} - -static int perf_evsel__test_field(struct perf_evsel *evsel, const char *name, - int size, bool should_be_signed) -{ - struct format_field *field = perf_evsel__field(evsel, name); - int is_signed; - int ret = 0; - - if (field == NULL) { - pr_debug("%s: \"%s\" field not found!\n", evsel->name, name); - return -1; - } - - is_signed = !!(field->flags | FIELD_IS_SIGNED); - if (should_be_signed && !is_signed) { - pr_debug("%s: \"%s\" signedness(%d) is wrong, should be %d\n", - evsel->name, name, is_signed, should_be_signed); - ret = -1; - } - - if (field->size != size) { - pr_debug("%s: \"%s\" size (%d) should be %d!\n", - evsel->name, name, field->size, size); - ret = -1; - } - - return ret; -} - -static int perf_evsel__tp_sched_test(void) -{ - struct perf_evsel *evsel = perf_evsel__newtp("sched", "sched_switch", 0); - int ret = 0; - - if (evsel == NULL) { - pr_debug("perf_evsel__new\n"); - return -1; - } - - if (perf_evsel__test_field(evsel, "prev_comm", 16, true)) - ret = -1; - - if (perf_evsel__test_field(evsel, "prev_pid", 4, true)) - ret = -1; - - if (perf_evsel__test_field(evsel, "prev_prio", 4, true)) - ret = -1; - - if (perf_evsel__test_field(evsel, "prev_state", 8, true)) - ret = -1; - - if (perf_evsel__test_field(evsel, "next_comm", 16, true)) - ret = -1; - - if (perf_evsel__test_field(evsel, "next_pid", 4, true)) - ret = -1; - - if (perf_evsel__test_field(evsel, "next_prio", 4, true)) - ret = -1; - - perf_evsel__delete(evsel); - - evsel = perf_evsel__newtp("sched", "sched_wakeup", 0); - - if (perf_evsel__test_field(evsel, "comm", 16, true)) - ret = -1; - - if (perf_evsel__test_field(evsel, "pid", 4, true)) - ret = -1; - - if (perf_evsel__test_field(evsel, "prio", 4, true)) - ret = -1; - - if (perf_evsel__test_field(evsel, "success", 4, true)) - ret = -1; - - if (perf_evsel__test_field(evsel, "target_cpu", 4, true)) - ret = -1; - - return ret; -} - -static int test__syscall_open_tp_fields(void) -{ - struct perf_record_opts opts = { - .target = { - .uid = UINT_MAX, - .uses_mmap = true, - }, - .no_delay = true, - .freq = 1, - .mmap_pages = 256, - .raw_samples = true, - }; - const char *filename = "/etc/passwd"; - int flags = O_RDONLY | O_DIRECTORY; - struct perf_evlist *evlist = perf_evlist__new(NULL, NULL); - struct perf_evsel *evsel; - int err = -1, i, nr_events = 0, nr_polls = 0; - - if (evlist == NULL) { - pr_debug("%s: perf_evlist__new\n", __func__); - goto out; - } - - evsel = perf_evsel__newtp("syscalls", "sys_enter_open", 0); - if (evsel == NULL) { - pr_debug("%s: perf_evsel__newtp\n", __func__); - goto out_delete_evlist; - } - - perf_evlist__add(evlist, evsel); - - err = perf_evlist__create_maps(evlist, &opts.target); - if (err < 0) { - pr_debug("%s: perf_evlist__create_maps\n", __func__); - goto out_delete_evlist; - } - - perf_evsel__config(evsel, &opts, evsel); - - evlist->threads->map[0] = getpid(); - - err = perf_evlist__open(evlist); - if (err < 0) { - pr_debug("perf_evlist__open: %s\n", strerror(errno)); - goto out_delete_evlist; - } - - err = perf_evlist__mmap(evlist, UINT_MAX, false); - if (err < 0) { - pr_debug("perf_evlist__mmap: %s\n", strerror(errno)); - goto out_delete_evlist; - } - - perf_evlist__enable(evlist); - - /* - * Generate the event: - */ - open(filename, flags); - - while (1) { - int before = nr_events; - - for (i = 0; i < evlist->nr_mmaps; i++) { - union perf_event *event; - - while ((event = perf_evlist__mmap_read(evlist, i)) != NULL) { - const u32 type = event->header.type; - int tp_flags; - struct perf_sample sample; - - ++nr_events; - - if (type != PERF_RECORD_SAMPLE) - continue; - - err = perf_evsel__parse_sample(evsel, event, &sample); - if (err) { - pr_err("Can't parse sample, err = %d\n", err); - goto out_munmap; - } - - tp_flags = perf_evsel__intval(evsel, &sample, "flags"); - - if (flags != tp_flags) { - pr_debug("%s: Expected flags=%#x, got %#x\n", - __func__, flags, tp_flags); - goto out_munmap; - } - - goto out_ok; - } - } - - if (nr_events == before) - poll(evlist->pollfd, evlist->nr_fds, 10); - - if (++nr_polls > 5) { - pr_debug("%s: no events!\n", __func__); - goto out_munmap; - } - } -out_ok: - err = 0; -out_munmap: - perf_evlist__munmap(evlist); -out_delete_evlist: - perf_evlist__delete(evlist); -out: - return err; -} - -static struct test { - const char *desc; - int (*func)(void); -} tests[] = { - { - .desc = "vmlinux symtab matches kallsyms", - .func = test__vmlinux_matches_kallsyms, - }, - { - .desc = "detect open syscall event", - .func = test__open_syscall_event, - }, - { - .desc = "detect open syscall event on all cpus", - .func = test__open_syscall_event_on_all_cpus, - }, - { - .desc = "read samples using the mmap interface", - .func = test__basic_mmap, - }, - { - .desc = "parse events tests", - .func = parse_events__test, - }, -#if defined(__x86_64__) || defined(__i386__) - { - .desc = "x86 rdpmc test", - .func = test__rdpmc, - }, -#endif - { - .desc = "Validate PERF_RECORD_* events & perf_sample fields", - .func = test__PERF_RECORD, - }, - { - .desc = "Test perf pmu format parsing", - .func = test__perf_pmu, - }, - { - .desc = "Test dso data interface", - .func = dso__test_data, - }, - { - .desc = "roundtrip evsel->name check", - .func = perf_evsel__roundtrip_name_test, - }, - { - .desc = "Check parsing of sched tracepoints fields", - .func = perf_evsel__tp_sched_test, - }, - { - .desc = "Generate and check syscalls:sys_enter_open event fields", - .func = test__syscall_open_tp_fields, - }, - { - .func = NULL, - }, -}; - -static bool perf_test__matches(int curr, int argc, const char *argv[]) -{ - int i; - - if (argc == 0) - return true; - - for (i = 0; i < argc; ++i) { - char *end; - long nr = strtoul(argv[i], &end, 10); - - if (*end == '\0') { - if (nr == curr + 1) - return true; - continue; - } - - if (strstr(tests[curr].desc, argv[i])) - return true; - } - - return false; -} - -static int __cmd_test(int argc, const char *argv[]) -{ - int i = 0; - - while (tests[i].func) { - int curr = i++, err; - - if (!perf_test__matches(curr, argc, argv)) - continue; - - pr_info("%2d: %s:", i, tests[curr].desc); - pr_debug("\n--- start ---\n"); - err = tests[curr].func(); - pr_debug("---- end ----\n%s:", tests[curr].desc); - pr_info(" %s\n", err ? "FAILED!\n" : "Ok"); - } - - return 0; -} - -static int perf_test__list(int argc, const char **argv) -{ - int i = 0; - - while (tests[i].func) { - int curr = i++; - - if (argc > 1 && !strstr(tests[curr].desc, argv[1])) - continue; - - pr_info("%2d: %s\n", i, tests[curr].desc); - } - - return 0; -} - -int cmd_test(int argc, const char **argv, const char *prefix __maybe_unused) -{ - const char * const test_usage[] = { - "perf test [<options>] [{list <test-name-fragment>|[<test-name-fragments>|<test-numbers>]}]", - NULL, - }; - const struct option test_options[] = { - OPT_INCR('v', "verbose", &verbose, - "be more verbose (show symbol address, etc)"), - OPT_END() - }; - - argc = parse_options(argc, argv, test_options, test_usage, 0); - if (argc >= 1 && !strcmp(argv[0], "list")) - return perf_test__list(argc, argv); - - symbol_conf.priv_size = sizeof(int); - symbol_conf.sort_by_name = true; - symbol_conf.try_vmlinux_path = true; - - if (symbol__init() < 0) - return -1; - - return __cmd_test(argc, argv); -} diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c index f251b613b2f3..ab4cf232b852 100644 --- a/tools/perf/builtin-timechart.c +++ b/tools/perf/builtin-timechart.c @@ -965,7 +965,7 @@ static void write_svg_file(const char *filename) svg_close(); } -static int __cmd_timechart(const char *input_name, const char *output_name) +static int __cmd_timechart(const char *output_name) { struct perf_tool perf_timechart = { .comm = process_comm_event, @@ -1061,7 +1061,6 @@ parse_process(const struct option *opt __maybe_unused, const char *arg, int cmd_timechart(int argc, const char **argv, const char *prefix __maybe_unused) { - const char *input_name; const char *output_name = "output.svg"; const struct option options[] = { OPT_STRING('i', "input", &input_name, "file", "input file name"), @@ -1092,5 +1091,5 @@ int cmd_timechart(int argc, const char **argv, setup_pager(); - return __cmd_timechart(input_name, output_name); + return __cmd_timechart(output_name); } diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index ff6db8086805..c9ff3950cd4b 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -26,6 +26,7 @@ #include "util/color.h" #include "util/evlist.h" #include "util/evsel.h" +#include "util/machine.h" #include "util/session.h" #include "util/symbol.h" #include "util/thread.h" @@ -581,6 +582,11 @@ static void *display_thread_tui(void *arg) struct perf_evsel *pos; struct perf_top *top = arg; const char *help = "For a higher level overview, try: perf top --sort comm,dso"; + struct hist_browser_timer hbt = { + .timer = perf_top__sort_new_samples, + .arg = top, + .refresh = top->delay_secs, + }; perf_top__sort_new_samples(top); @@ -592,9 +598,8 @@ static void *display_thread_tui(void *arg) list_for_each_entry(pos, &top->evlist->entries, node) pos->hists.uid_filter_str = top->target.uid_str; - perf_evlist__tui_browse_hists(top->evlist, help, - perf_top__sort_new_samples, - top, top->delay_secs); + perf_evlist__tui_browse_hists(top->evlist, help, &hbt, + &top->session->header.env); exit_browser(0); exit(0); @@ -871,7 +876,7 @@ static void perf_top__mmap_read_idx(struct perf_top *top, int idx) &sample, machine); } else if (event->header.type < PERF_RECORD_MAX) { hists__inc_nr_events(&evsel->hists, event->header.type); - perf_event__process(&top->tool, event, &sample, machine); + machine__process_event(machine, event); } else ++session->hists.stats.nr_unknown_events; } @@ -976,6 +981,10 @@ try_again: ui__error("Too many events are opened.\n" "Try again after reducing the number of events\n"); goto out_err; + } else if ((err == EOPNOTSUPP) && (attr->precise_ip)) { + ui__error("\'precise\' request may not be supported. " + "Try removing 'p' modifier\n"); + goto out_err; } ui__error("The sys_perf_event_open() syscall " diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 7aaee39f6774..7932ffa29889 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -1,5 +1,8 @@ #include "builtin.h" +#include "util/color.h" #include "util/evlist.h" +#include "util/machine.h" +#include "util/thread.h" #include "util/parse-options.h" #include "util/thread_map.h" #include "event-parse.h" @@ -13,15 +16,18 @@ static struct syscall_fmt { bool errmsg; bool timeout; } syscall_fmts[] = { + { .name = "access", .errmsg = true, }, { .name = "arch_prctl", .errmsg = true, .alias = "prctl", }, { .name = "fstat", .errmsg = true, .alias = "newfstat", }, { .name = "fstatat", .errmsg = true, .alias = "newfstatat", }, { .name = "futex", .errmsg = true, }, + { .name = "open", .errmsg = true, }, { .name = "poll", .errmsg = true, .timeout = true, }, { .name = "ppoll", .errmsg = true, .timeout = true, }, { .name = "read", .errmsg = true, }, { .name = "recvfrom", .errmsg = true, }, { .name = "select", .errmsg = true, .timeout = true, }, + { .name = "socket", .errmsg = true, }, { .name = "stat", .errmsg = true, .alias = "newstat", }, }; @@ -43,6 +49,57 @@ struct syscall { struct syscall_fmt *fmt; }; +static size_t fprintf_duration(unsigned long t, FILE *fp) +{ + double duration = (double)t / NSEC_PER_MSEC; + size_t printed = fprintf(fp, "("); + + if (duration >= 1.0) + printed += color_fprintf(fp, PERF_COLOR_RED, "%6.3f ms", duration); + else if (duration >= 0.01) + printed += color_fprintf(fp, PERF_COLOR_YELLOW, "%6.3f ms", duration); + else + printed += color_fprintf(fp, PERF_COLOR_NORMAL, "%6.3f ms", duration); + return printed + fprintf(stdout, "): "); +} + +struct thread_trace { + u64 entry_time; + u64 exit_time; + bool entry_pending; + unsigned long nr_events; + char *entry_str; + double runtime_ms; +}; + +static struct thread_trace *thread_trace__new(void) +{ + return zalloc(sizeof(struct thread_trace)); +} + +static struct thread_trace *thread__trace(struct thread *thread) +{ + struct thread_trace *ttrace; + + if (thread == NULL) + goto fail; + + if (thread->priv == NULL) + thread->priv = thread_trace__new(); + + if (thread->priv == NULL) + goto fail; + + ttrace = thread->priv; + ++ttrace->nr_events; + + return ttrace; +fail: + color_fprintf(stdout, PERF_COLOR_RED, + "WARNING: not enough memory, dropping samples!\n"); + return NULL; +} + struct trace { int audit_machine; struct { @@ -50,8 +107,96 @@ struct trace { struct syscall *table; } syscalls; struct perf_record_opts opts; + struct machine host; + u64 base_time; + unsigned long nr_events; + bool sched; + bool multiple_threads; + double duration_filter; + double runtime_ms; }; +static bool trace__filter_duration(struct trace *trace, double t) +{ + return t < (trace->duration_filter * NSEC_PER_MSEC); +} + +static size_t trace__fprintf_tstamp(struct trace *trace, u64 tstamp, FILE *fp) +{ + double ts = (double)(tstamp - trace->base_time) / NSEC_PER_MSEC; + + return fprintf(fp, "%10.3f ", ts); +} + +static bool done = false; + +static void sig_handler(int sig __maybe_unused) +{ + done = true; +} + +static size_t trace__fprintf_entry_head(struct trace *trace, struct thread *thread, + u64 duration, u64 tstamp, FILE *fp) +{ + size_t printed = trace__fprintf_tstamp(trace, tstamp, fp); + printed += fprintf_duration(duration, fp); + + if (trace->multiple_threads) + printed += fprintf(fp, "%d ", thread->pid); + + return printed; +} + +static int trace__process_event(struct machine *machine, union perf_event *event) +{ + int ret = 0; + + switch (event->header.type) { + case PERF_RECORD_LOST: + color_fprintf(stdout, PERF_COLOR_RED, + "LOST %" PRIu64 " events!\n", event->lost.lost); + ret = machine__process_lost_event(machine, event); + default: + ret = machine__process_event(machine, event); + break; + } + + return ret; +} + +static int trace__tool_process(struct perf_tool *tool __maybe_unused, + union perf_event *event, + struct perf_sample *sample __maybe_unused, + struct machine *machine) +{ + return trace__process_event(machine, event); +} + +static int trace__symbols_init(struct trace *trace, struct perf_evlist *evlist) +{ + int err = symbol__init(); + + if (err) + return err; + + machine__init(&trace->host, "", HOST_KERNEL_ID); + machine__create_kernel_maps(&trace->host); + + if (perf_target__has_task(&trace->opts.target)) { + err = perf_event__synthesize_thread_map(NULL, evlist->threads, + trace__tool_process, + &trace->host); + } else { + err = perf_event__synthesize_threads(NULL, trace__tool_process, + &trace->host); + } + + if (err) + symbol__exit(); + + return err; +} + static int trace__read_syscall_info(struct trace *trace, int id) { char tp_name[128]; @@ -93,7 +238,8 @@ static int trace__read_syscall_info(struct trace *trace, int id) return sc->tp_format != NULL ? 0 : -1; } -static size_t syscall__fprintf_args(struct syscall *sc, unsigned long *args, FILE *fp) +static size_t syscall__scnprintf_args(struct syscall *sc, char *bf, size_t size, + unsigned long *args) { int i = 0; size_t printed = 0; @@ -102,12 +248,15 @@ static size_t syscall__fprintf_args(struct syscall *sc, unsigned long *args, FIL struct format_field *field; for (field = sc->tp_format->format.fields->next; field; field = field->next) { - printed += fprintf(fp, "%s%s: %ld", printed ? ", " : "", - field->name, args[i++]); + printed += scnprintf(bf + printed, size - printed, + "%s%s: %ld", printed ? ", " : "", + field->name, args[i++]); } } else { while (i < 6) { - printed += fprintf(fp, "%sarg%d: %ld", printed ? ", " : "", i, args[i]); + printed += scnprintf(bf + printed, size - printed, + "%sarg%d: %ld", + printed ? ", " : "", i, args[i]); ++i; } } @@ -139,17 +288,24 @@ static struct syscall *trace__syscall_info(struct trace *trace, return &trace->syscalls.table[id]; out_cant_read: - printf("Problems reading syscall %d information\n", id); + printf("Problems reading syscall %d", id); + if (id <= trace->syscalls.max && trace->syscalls.table[id].name != NULL) + printf("(%s)", trace->syscalls.table[id].name); + puts(" information"); return NULL; } static int trace__sys_enter(struct trace *trace, struct perf_evsel *evsel, struct perf_sample *sample) { + char *msg; void *args; + size_t printed = 0; + struct thread *thread = machine__findnew_thread(&trace->host, sample->tid); struct syscall *sc = trace__syscall_info(trace, evsel, sample); + struct thread_trace *ttrace = thread__trace(thread); - if (sc == NULL) + if (ttrace == NULL || sc == NULL) return -1; args = perf_evsel__rawptr(evsel, sample, "args"); @@ -158,8 +314,27 @@ static int trace__sys_enter(struct trace *trace, struct perf_evsel *evsel, return -1; } - printf("%s(", sc->name); - syscall__fprintf_args(sc, args, stdout); + ttrace = thread->priv; + + if (ttrace->entry_str == NULL) { + ttrace->entry_str = malloc(1024); + if (!ttrace->entry_str) + return -1; + } + + ttrace->entry_time = sample->time; + msg = ttrace->entry_str; + printed += scnprintf(msg + printed, 1024 - printed, "%s(", sc->name); + + printed += syscall__scnprintf_args(sc, msg + printed, 1024 - printed, args); + + if (!strcmp(sc->name, "exit_group") || !strcmp(sc->name, "exit")) { + if (!trace->duration_filter) { + trace__fprintf_entry_head(trace, thread, 1, sample->time, stdout); + printf("%-70s\n", ttrace->entry_str); + } + } else + ttrace->entry_pending = true; return 0; } @@ -168,13 +343,37 @@ static int trace__sys_exit(struct trace *trace, struct perf_evsel *evsel, struct perf_sample *sample) { int ret; + u64 duration = 0; + struct thread *thread = machine__findnew_thread(&trace->host, sample->tid); + struct thread_trace *ttrace = thread__trace(thread); struct syscall *sc = trace__syscall_info(trace, evsel, sample); - if (sc == NULL) + if (ttrace == NULL || sc == NULL) return -1; ret = perf_evsel__intval(evsel, sample, "ret"); + ttrace = thread->priv; + + ttrace->exit_time = sample->time; + + if (ttrace->entry_time) { + duration = sample->time - ttrace->entry_time; + if (trace__filter_duration(trace, duration)) + goto out; + } else if (trace->duration_filter) + goto out; + + trace__fprintf_entry_head(trace, thread, duration, sample->time, stdout); + + if (ttrace->entry_pending) { + printf("%-70s", ttrace->entry_str); + } else { + printf(" ... ["); + color_fprintf(stdout, PERF_COLOR_YELLOW, "continued"); + printf("]: %s()", sc->name); + } + if (ret < 0 && sc->fmt && sc->fmt->errmsg) { char bf[256]; const char *emsg = strerror_r(-ret, bf, sizeof(bf)), @@ -187,14 +386,44 @@ static int trace__sys_exit(struct trace *trace, struct perf_evsel *evsel, printf(") = %d", ret); putchar('\n'); +out: + ttrace->entry_pending = false; + + return 0; +} + +static int trace__sched_stat_runtime(struct trace *trace, struct perf_evsel *evsel, + struct perf_sample *sample) +{ + u64 runtime = perf_evsel__intval(evsel, sample, "runtime"); + double runtime_ms = (double)runtime / NSEC_PER_MSEC; + struct thread *thread = machine__findnew_thread(&trace->host, sample->tid); + struct thread_trace *ttrace = thread__trace(thread); + + if (ttrace == NULL) + goto out_dump; + + ttrace->runtime_ms += runtime_ms; + trace->runtime_ms += runtime_ms; + return 0; + +out_dump: + printf("%s: comm=%s,pid=%u,runtime=%" PRIu64 ",vruntime=%" PRIu64 ")\n", + evsel->name, + perf_evsel__strval(evsel, sample, "comm"), + (pid_t)perf_evsel__intval(evsel, sample, "pid"), + runtime, + perf_evsel__intval(evsel, sample, "vruntime")); return 0; } -static int trace__run(struct trace *trace) +static int trace__run(struct trace *trace, int argc, const char **argv) { struct perf_evlist *evlist = perf_evlist__new(NULL, NULL); struct perf_evsel *evsel; - int err = -1, i, nr_events = 0, before; + int err = -1, i; + unsigned long before; + const bool forks = argc > 0; if (evlist == NULL) { printf("Not enough memory to run!\n"); @@ -207,14 +436,38 @@ static int trace__run(struct trace *trace) goto out_delete_evlist; } + if (trace->sched && + perf_evlist__add_newtp(evlist, "sched", "sched_stat_runtime", + trace__sched_stat_runtime)) { + printf("Couldn't read the sched_stat_runtime tracepoint information!\n"); + goto out_delete_evlist; + } + err = perf_evlist__create_maps(evlist, &trace->opts.target); if (err < 0) { printf("Problems parsing the target to trace, check your options!\n"); goto out_delete_evlist; } + err = trace__symbols_init(trace, evlist); + if (err < 0) { + printf("Problems initializing symbol libraries!\n"); + goto out_delete_evlist; + } + perf_evlist__config_attrs(evlist, &trace->opts); + signal(SIGCHLD, sig_handler); + signal(SIGINT, sig_handler); + + if (forks) { + err = perf_evlist__prepare_workload(evlist, &trace->opts, argv); + if (err < 0) { + printf("Couldn't run the workload!\n"); + goto out_delete_evlist; + } + } + err = perf_evlist__open(evlist); if (err < 0) { printf("Couldn't create the events: %s\n", strerror(errno)); @@ -228,8 +481,13 @@ static int trace__run(struct trace *trace) } perf_evlist__enable(evlist); + + if (forks) + perf_evlist__start_workload(evlist); + + trace->multiple_threads = evlist->threads->map[0] == -1 || evlist->threads->nr > 1; again: - before = nr_events; + before = trace->nr_events; for (i = 0; i < evlist->nr_mmaps; i++) { union perf_event *event; @@ -239,19 +497,7 @@ again: tracepoint_handler handler; struct perf_sample sample; - ++nr_events; - - switch (type) { - case PERF_RECORD_SAMPLE: - break; - case PERF_RECORD_LOST: - printf("LOST %" PRIu64 " events!\n", event->lost.lost); - continue; - default: - printf("Unexpected %s event, skipping...\n", - perf_event__name(type)); - continue; - } + ++trace->nr_events; err = perf_evlist__parse_sample(evlist, event, &sample); if (err) { @@ -259,14 +505,26 @@ again: continue; } + if (trace->base_time == 0) + trace->base_time = sample.time; + + if (type != PERF_RECORD_SAMPLE) { + trace__process_event(&trace->host, event); + continue; + } + evsel = perf_evlist__id2evsel(evlist, sample.id); if (evsel == NULL) { printf("Unknown tp ID %" PRIu64 ", skipping...\n", sample.id); continue; } - if (evlist->threads->map[0] == -1 || evlist->threads->nr > 1) - printf("%d ", sample.tid); + if (sample.raw_data == NULL) { + printf("%s sample with no payload for tid: %d, cpu %d, raw_size=%d, skipping...\n", + perf_evsel__name(evsel), sample.tid, + sample.cpu, sample.raw_size); + continue; + } if (sample.raw_data == NULL) { printf("%s sample with no payload for tid: %d, cpu %d, raw_size=%d, skipping...\n", @@ -280,8 +538,15 @@ again: } } - if (nr_events == before) + if (trace->nr_events == before) { + if (done) + goto out_delete_evlist; + poll(evlist->pollfd, evlist->nr_fds, -1); + } + + if (done) + perf_evlist__disable(evlist); goto again; @@ -291,10 +556,65 @@ out: return err; } +static size_t trace__fprintf_threads_header(FILE *fp) +{ + size_t printed; + + printed = fprintf(fp, "\n _____________________________________________________________________\n"); + printed += fprintf(fp," __) Summary of events (__\n\n"); + printed += fprintf(fp," [ task - pid ] [ events ] [ ratio ] [ runtime ]\n"); + printed += fprintf(fp," _____________________________________________________________________\n\n"); + + return printed; +} + +static size_t trace__fprintf_thread_summary(struct trace *trace, FILE *fp) +{ + size_t printed = trace__fprintf_threads_header(fp); + struct rb_node *nd; + + for (nd = rb_first(&trace->host.threads); nd; nd = rb_next(nd)) { + struct thread *thread = rb_entry(nd, struct thread, rb_node); + struct thread_trace *ttrace = thread->priv; + const char *color; + double ratio; + + if (ttrace == NULL) + continue; + + ratio = (double)ttrace->nr_events / trace->nr_events * 100.0; + + color = PERF_COLOR_NORMAL; + if (ratio > 50.0) + color = PERF_COLOR_RED; + else if (ratio > 25.0) + color = PERF_COLOR_GREEN; + else if (ratio > 5.0) + color = PERF_COLOR_YELLOW; + + printed += color_fprintf(fp, color, "%20s", thread->comm); + printed += fprintf(fp, " - %-5d :%11lu [", thread->pid, ttrace->nr_events); + printed += color_fprintf(fp, color, "%5.1f%%", ratio); + printed += fprintf(fp, " ] %10.3f ms\n", ttrace->runtime_ms); + } + + return printed; +} + +static int trace__set_duration(const struct option *opt, const char *str, + int unset __maybe_unused) +{ + struct trace *trace = opt->value; + + trace->duration_filter = atof(str); + return 0; +} + int cmd_trace(int argc, const char **argv, const char *prefix __maybe_unused) { const char * const trace_usage[] = { - "perf trace [<options>]", + "perf trace [<options>] [<command>]", + "perf trace [<options>] -- <command> [<options>]", NULL }; struct trace trace = { @@ -328,21 +648,38 @@ int cmd_trace(int argc, const char **argv, const char *prefix __maybe_unused) "number of mmap data pages"), OPT_STRING(0, "uid", &trace.opts.target.uid_str, "user", "user to profile"), + OPT_CALLBACK(0, "duration", &trace, "float", + "show only events with duration > N.M ms", + trace__set_duration), + OPT_BOOLEAN(0, "sched", &trace.sched, "show blocking scheduler events"), OPT_END() }; int err; + char bf[BUFSIZ]; argc = parse_options(argc, argv, trace_options, trace_usage, 0); - if (argc) - usage_with_options(trace_usage, trace_options); + + err = perf_target__validate(&trace.opts.target); + if (err) { + perf_target__strerror(&trace.opts.target, err, bf, sizeof(bf)); + printf("%s", bf); + return err; + } err = perf_target__parse_uid(&trace.opts.target); if (err) { - char bf[BUFSIZ]; perf_target__strerror(&trace.opts.target, err, bf, sizeof(bf)); printf("%s", bf); return err; } - return trace__run(&trace); + if (!argc && perf_target__none(&trace.opts.target)) + trace.opts.target.system_wide = true; + + err = trace__run(&trace, argc, argv); + + if (trace.sched && !err) + trace__fprintf_thread_summary(&trace, stdout); + + return err; } diff --git a/tools/perf/config/feature-tests.mak b/tools/perf/config/feature-tests.mak index 4add41bb0c7e..f5ac77485a4f 100644 --- a/tools/perf/config/feature-tests.mak +++ b/tools/perf/config/feature-tests.mak @@ -43,6 +43,15 @@ int main(void) } endef +define SOURCE_BIONIC +#include <android/api-level.h> + +int main(void) +{ + return __ANDROID_API__; +} +endef + define SOURCE_ELF_MMAP #include <libelf.h> int main(void) @@ -112,7 +121,10 @@ define SOURCE_PYTHON_VERSION #if PY_VERSION_HEX >= 0x03000000 #error #endif -int main(void){} +int main(void) +{ + return 0; +} endef define SOURCE_PYTHON_EMBED #include <Python.h> @@ -203,4 +215,13 @@ int main(void) return audit_open(); } endef -endif
\ No newline at end of file +endif + +define SOURCE_ON_EXIT +#include <stdio.h> + +int main(void) +{ + return on_exit(NULL, NULL); +} +endef diff --git a/tools/perf/config/utilities.mak b/tools/perf/config/utilities.mak index 8046182a19eb..e5413125e6bb 100644 --- a/tools/perf/config/utilities.mak +++ b/tools/perf/config/utilities.mak @@ -180,9 +180,15 @@ _gea_warn = $(warning The path '$(1)' is not executable.) _gea_err = $(if $(1),$(error Please set '$(1)' appropriately)) # try-cc -# Usage: option = $(call try-cc, source-to-build, cc-options) +# Usage: option = $(call try-cc, source-to-build, cc-options, msg) +ifndef V +TRY_CC_OUTPUT= > /dev/null 2>&1 +endif +TRY_CC_MSG=echo " CHK $(3)" 1>&2; + try-cc = $(shell sh -c \ 'TMP="$(OUTPUT)$(TMPOUT).$$$$"; \ + $(TRY_CC_MSG) \ echo "$(1)" | \ - $(CC) -x c - $(2) -o "$$TMP" > /dev/null 2>&1 && echo y; \ + $(CC) -x c - $(2) -o "$$TMP" $(TRY_CC_OUTPUT) && echo y; \ rm -f "$$TMP"') diff --git a/tools/perf/perf.c b/tools/perf/perf.c index 6d50eb0b4251..0f661fbce6a8 100644 --- a/tools/perf/perf.c +++ b/tools/perf/perf.c @@ -24,6 +24,7 @@ const char perf_more_info_string[] = int use_browser = -1; static int use_pager = -1; +const char *input_name; struct cmd_struct { const char *cmd; @@ -84,21 +85,26 @@ int check_pager_config(const char *cmd) return c.val; } -static int tui_command_config(const char *var, const char *value, void *data) +static int browser_command_config(const char *var, const char *value, void *data) { struct pager_config *c = data; if (!prefixcmp(var, "tui.") && !strcmp(var + 4, c->cmd)) c->val = perf_config_bool(var, value); + if (!prefixcmp(var, "gtk.") && !strcmp(var + 4, c->cmd)) + c->val = perf_config_bool(var, value) ? 2 : 0; return 0; } -/* returns 0 for "no tui", 1 for "use tui", and -1 for "not specified" */ -static int check_tui_config(const char *cmd) +/* + * returns 0 for "no tui", 1 for "use tui", 2 for "use gtk", + * and -1 for "not specified" + */ +static int check_browser_config(const char *cmd) { struct pager_config c; c.cmd = cmd; c.val = -1; - perf_config(tui_command_config, &c); + perf_config(browser_command_config, &c); return c.val; } @@ -301,7 +307,7 @@ static int run_builtin(struct cmd_struct *p, int argc, const char **argv) prefix = NULL; /* setup_perf_directory(); */ if (use_browser == -1) - use_browser = check_tui_config(p->cmd); + use_browser = check_browser_config(p->cmd); if (use_pager == -1 && p->option & RUN_SETUP) use_pager = check_pager_config(p->cmd); @@ -440,6 +446,8 @@ int main(int argc, const char **argv) { const char *cmd; + page_size = sysconf(_SC_PAGE_SIZE); + cmd = perf_extract_argv0_path(argv[0]); if (!cmd) cmd = "perf-help"; @@ -481,6 +489,8 @@ int main(int argc, const char **argv) } cmd = argv[0]; + test_attr__init(); + /* * We use PATH to find perf commands, but we prepend some higher * precedence paths: the "--exec-path" option, the PERF_EXEC_PATH diff --git a/tools/perf/perf.h b/tools/perf/perf.h index c50985eaec41..2c340e7da458 100644 --- a/tools/perf/perf.h +++ b/tools/perf/perf.h @@ -5,8 +5,9 @@ struct winsize; void get_term_dimensions(struct winsize *ws); +#include <asm/unistd.h> + #if defined(__i386__) -#include "../../arch/x86/include/asm/unistd.h" #define rmb() asm volatile("lock; addl $0,0(%%esp)" ::: "memory") #define cpu_relax() asm volatile("rep; nop" ::: "memory"); #define CPUINFO_PROC "model name" @@ -16,7 +17,6 @@ void get_term_dimensions(struct winsize *ws); #endif #if defined(__x86_64__) -#include "../../arch/x86/include/asm/unistd.h" #define rmb() asm volatile("lfence" ::: "memory") #define cpu_relax() asm volatile("rep; nop" ::: "memory"); #define CPUINFO_PROC "model name" @@ -26,20 +26,18 @@ void get_term_dimensions(struct winsize *ws); #endif #ifdef __powerpc__ -#include "../../arch/powerpc/include/asm/unistd.h" +#include "../../arch/powerpc/include/uapi/asm/unistd.h" #define rmb() asm volatile ("sync" ::: "memory") #define cpu_relax() asm volatile ("" ::: "memory"); #define CPUINFO_PROC "cpu" #endif #ifdef __s390__ -#include "../../arch/s390/include/asm/unistd.h" #define rmb() asm volatile("bcr 15,0" ::: "memory") #define cpu_relax() asm volatile("" ::: "memory"); #endif #ifdef __sh__ -#include "../../arch/sh/include/asm/unistd.h" #if defined(__SH4A__) || defined(__SH5__) # define rmb() asm volatile("synco" ::: "memory") #else @@ -50,35 +48,30 @@ void get_term_dimensions(struct winsize *ws); #endif #ifdef __hppa__ -#include "../../arch/parisc/include/asm/unistd.h" #define rmb() asm volatile("" ::: "memory") #define cpu_relax() asm volatile("" ::: "memory"); #define CPUINFO_PROC "cpu" #endif #ifdef __sparc__ -#include "../../arch/sparc/include/uapi/asm/unistd.h" #define rmb() asm volatile("":::"memory") #define cpu_relax() asm volatile("":::"memory") #define CPUINFO_PROC "cpu" #endif #ifdef __alpha__ -#include "../../arch/alpha/include/asm/unistd.h" #define rmb() asm volatile("mb" ::: "memory") #define cpu_relax() asm volatile("" ::: "memory") #define CPUINFO_PROC "cpu model" #endif #ifdef __ia64__ -#include "../../arch/ia64/include/asm/unistd.h" #define rmb() asm volatile ("mf" ::: "memory") #define cpu_relax() asm volatile ("hint @pause" ::: "memory") #define CPUINFO_PROC "model name" #endif #ifdef __arm__ -#include "../../arch/arm/include/asm/unistd.h" /* * Use the __kuser_memory_barrier helper in the CPU helper page. See * arch/arm/kernel/entry-armv.S in the kernel source for details. @@ -89,13 +82,11 @@ void get_term_dimensions(struct winsize *ws); #endif #ifdef __aarch64__ -#include "../../arch/arm64/include/asm/unistd.h" #define rmb() asm volatile("dmb ld" ::: "memory") #define cpu_relax() asm volatile("yield" ::: "memory") #endif #ifdef __mips__ -#include "../../arch/mips/include/asm/unistd.h" #define rmb() asm volatile( \ ".set mips2\n\t" \ "sync\n\t" \ @@ -112,7 +103,7 @@ void get_term_dimensions(struct winsize *ws); #include <sys/types.h> #include <sys/syscall.h> -#include "../../include/uapi/linux/perf_event.h" +#include <linux/perf_event.h> #include "util/types.h" #include <stdbool.h> @@ -174,13 +165,25 @@ static inline unsigned long long rdclock(void) (void) (&_min1 == &_min2); \ _min1 < _min2 ? _min1 : _min2; }) +extern bool test_attr__enabled; +void test_attr__init(void); +void test_attr__open(struct perf_event_attr *attr, pid_t pid, int cpu, + int fd, int group_fd, unsigned long flags); + static inline int sys_perf_event_open(struct perf_event_attr *attr, pid_t pid, int cpu, int group_fd, unsigned long flags) { - return syscall(__NR_perf_event_open, attr, pid, cpu, - group_fd, flags); + int fd; + + fd = syscall(__NR_perf_event_open, attr, pid, cpu, + group_fd, flags); + + if (unlikely(test_attr__enabled)) + test_attr__open(attr, pid, cpu, fd, group_fd, flags); + + return fd; } #define MAX_COUNTERS 256 @@ -208,6 +211,7 @@ struct branch_stack { struct branch_entry entries[0]; }; +extern const char *input_name; extern bool perf_host, perf_guest; extern const char perf_version_string[]; diff --git a/tools/perf/tests/attr.c b/tools/perf/tests/attr.c new file mode 100644 index 000000000000..25638a986257 --- /dev/null +++ b/tools/perf/tests/attr.c @@ -0,0 +1,175 @@ + +/* + * The struct perf_event_attr test support. + * + * This test is embedded inside into perf directly and is governed + * by the PERF_TEST_ATTR environment variable and hook inside + * sys_perf_event_open function. + * + * The general idea is to store 'struct perf_event_attr' details for + * each event created within single perf command. Each event details + * are stored into separate text file. Once perf command is finished + * these files can be checked for values we expect for command. + * + * Besides 'struct perf_event_attr' values we also store 'fd' and + * 'group_fd' values to allow checking for groups created. + * + * This all is triggered by setting PERF_TEST_ATTR environment variable. + * It must contain name of existing directory with access and write + * permissions. All the event text files are stored there. + */ + +#include <stdlib.h> +#include <stdio.h> +#include <inttypes.h> +#include <linux/types.h> +#include <linux/kernel.h> +#include "../perf.h" +#include "util.h" +#include "exec_cmd.h" +#include "tests.h" + +#define ENV "PERF_TEST_ATTR" + +extern int verbose; + +bool test_attr__enabled; + +static char *dir; + +void test_attr__init(void) +{ + dir = getenv(ENV); + test_attr__enabled = (dir != NULL); +} + +#define BUFSIZE 1024 + +#define __WRITE_ASS(str, fmt, data) \ +do { \ + char buf[BUFSIZE]; \ + size_t size; \ + \ + size = snprintf(buf, BUFSIZE, #str "=%"fmt "\n", data); \ + if (1 != fwrite(buf, size, 1, file)) { \ + perror("test attr - failed to write event file"); \ + fclose(file); \ + return -1; \ + } \ + \ +} while (0) + +#define WRITE_ASS(field, fmt) __WRITE_ASS(field, fmt, attr->field) + +static int store_event(struct perf_event_attr *attr, pid_t pid, int cpu, + int fd, int group_fd, unsigned long flags) +{ + FILE *file; + char path[PATH_MAX]; + + snprintf(path, PATH_MAX, "%s/event-%d-%llu-%d", dir, + attr->type, attr->config, fd); + + file = fopen(path, "w+"); + if (!file) { + perror("test attr - failed to open event file"); + return -1; + } + + if (fprintf(file, "[event-%d-%llu-%d]\n", + attr->type, attr->config, fd) < 0) { + perror("test attr - failed to write event file"); + fclose(file); + return -1; + } + + /* syscall arguments */ + __WRITE_ASS(fd, "d", fd); + __WRITE_ASS(group_fd, "d", group_fd); + __WRITE_ASS(cpu, "d", cpu); + __WRITE_ASS(pid, "d", pid); + __WRITE_ASS(flags, "lu", flags); + + /* struct perf_event_attr */ + WRITE_ASS(type, PRIu32); + WRITE_ASS(size, PRIu32); + WRITE_ASS(config, "llu"); + WRITE_ASS(sample_period, "llu"); + WRITE_ASS(sample_type, "llu"); + WRITE_ASS(read_format, "llu"); + WRITE_ASS(disabled, "d"); + WRITE_ASS(inherit, "d"); + WRITE_ASS(pinned, "d"); + WRITE_ASS(exclusive, "d"); + WRITE_ASS(exclude_user, "d"); + WRITE_ASS(exclude_kernel, "d"); + WRITE_ASS(exclude_hv, "d"); + WRITE_ASS(exclude_idle, "d"); + WRITE_ASS(mmap, "d"); + WRITE_ASS(comm, "d"); + WRITE_ASS(freq, "d"); + WRITE_ASS(inherit_stat, "d"); + WRITE_ASS(enable_on_exec, "d"); + WRITE_ASS(task, "d"); + WRITE_ASS(watermark, "d"); + WRITE_ASS(precise_ip, "d"); + WRITE_ASS(mmap_data, "d"); + WRITE_ASS(sample_id_all, "d"); + WRITE_ASS(exclude_host, "d"); + WRITE_ASS(exclude_guest, "d"); + WRITE_ASS(exclude_callchain_kernel, "d"); + WRITE_ASS(exclude_callchain_user, "d"); + WRITE_ASS(wakeup_events, PRIu32); + WRITE_ASS(bp_type, PRIu32); + WRITE_ASS(config1, "llu"); + WRITE_ASS(config2, "llu"); + WRITE_ASS(branch_sample_type, "llu"); + WRITE_ASS(sample_regs_user, "llu"); + WRITE_ASS(sample_stack_user, PRIu32); + + fclose(file); + return 0; +} + +void test_attr__open(struct perf_event_attr *attr, pid_t pid, int cpu, + int fd, int group_fd, unsigned long flags) +{ + int errno_saved = errno; + + if (store_event(attr, pid, cpu, fd, group_fd, flags)) + die("test attr FAILED"); + + errno = errno_saved; +} + +static int run_dir(const char *d, const char *perf) +{ + char cmd[3*PATH_MAX]; + + snprintf(cmd, 3*PATH_MAX, "python %s/attr.py -d %s/attr/ -p %s %s", + d, d, perf, verbose ? "-v" : ""); + + return system(cmd); +} + +int test__attr(void) +{ + struct stat st; + char path_perf[PATH_MAX]; + char path_dir[PATH_MAX]; + + /* First try developement tree tests. */ + if (!lstat("./tests", &st)) + return run_dir("./tests", "./perf"); + + /* Then installed path. */ + snprintf(path_dir, PATH_MAX, "%s/tests", perf_exec_path()); + snprintf(path_perf, PATH_MAX, "%s/perf", BINDIR); + + if (!lstat(path_dir, &st) && + !lstat(path_perf, &st)) + return run_dir(path_dir, path_perf); + + fprintf(stderr, " (ommitted)"); + return 0; +} diff --git a/tools/perf/tests/attr.py b/tools/perf/tests/attr.py new file mode 100644 index 000000000000..e702b82dcb86 --- /dev/null +++ b/tools/perf/tests/attr.py @@ -0,0 +1,322 @@ +#! /usr/bin/python + +import os +import sys +import glob +import optparse +import tempfile +import logging +import shutil +import ConfigParser + +class Fail(Exception): + def __init__(self, test, msg): + self.msg = msg + self.test = test + def getMsg(self): + return '\'%s\' - %s' % (self.test.path, self.msg) + +class Unsup(Exception): + def __init__(self, test): + self.test = test + def getMsg(self): + return '\'%s\'' % self.test.path + +class Event(dict): + terms = [ + 'flags', + 'type', + 'size', + 'config', + 'sample_period', + 'sample_type', + 'read_format', + 'disabled', + 'inherit', + 'pinned', + 'exclusive', + 'exclude_user', + 'exclude_kernel', + 'exclude_hv', + 'exclude_idle', + 'mmap', + 'comm', + 'freq', + 'inherit_stat', + 'enable_on_exec', + 'task', + 'watermark', + 'precise_ip', + 'mmap_data', + 'sample_id_all', + 'exclude_host', + 'exclude_guest', + 'exclude_callchain_kernel', + 'exclude_callchain_user', + 'wakeup_events', + 'bp_type', + 'config1', + 'config2', + 'branch_sample_type', + 'sample_regs_user', + 'sample_stack_user', + ] + + def add(self, data): + for key, val in data: + log.debug(" %s = %s" % (key, val)) + self[key] = val + + def __init__(self, name, data, base): + log.info(" Event %s" % name); + self.name = name; + self.group = '' + self.add(base) + self.add(data) + + def compare_data(self, a, b): + # Allow multiple values in assignment separated by '|' + a_list = a.split('|') + b_list = b.split('|') + + for a_item in a_list: + for b_item in b_list: + if (a_item == b_item): + return True + elif (a_item == '*') or (b_item == '*'): + return True + + return False + + def equal(self, other): + for t in Event.terms: + log.debug(" [%s] %s %s" % (t, self[t], other[t])); + if not self.has_key(t) or not other.has_key(t): + return False + if not self.compare_data(self[t], other[t]): + return False + return True + +# Test file description needs to have following sections: +# [config] +# - just single instance in file +# - needs to specify: +# 'command' - perf command name +# 'args' - special command arguments +# 'ret' - expected command return value (0 by default) +# +# [eventX:base] +# - one or multiple instances in file +# - expected values assignments +class Test(object): + def __init__(self, path, options): + parser = ConfigParser.SafeConfigParser() + parser.read(path) + + log.warning("running '%s'" % path) + + self.path = path + self.test_dir = options.test_dir + self.perf = options.perf + self.command = parser.get('config', 'command') + self.args = parser.get('config', 'args') + + try: + self.ret = parser.get('config', 'ret') + except: + self.ret = 0 + + self.expect = {} + self.result = {} + log.info(" loading expected events"); + self.load_events(path, self.expect) + + def is_event(self, name): + if name.find("event") == -1: + return False + else: + return True + + def load_events(self, path, events): + parser_event = ConfigParser.SafeConfigParser() + parser_event.read(path) + + # The event record section header contains 'event' word, + # optionaly followed by ':' allowing to load 'parent + # event' first as a base + for section in filter(self.is_event, parser_event.sections()): + + parser_items = parser_event.items(section); + base_items = {} + + # Read parent event if there's any + if (':' in section): + base = section[section.index(':') + 1:] + parser_base = ConfigParser.SafeConfigParser() + parser_base.read(self.test_dir + '/' + base) + base_items = parser_base.items('event') + + e = Event(section, parser_items, base_items) + events[section] = e + + def run_cmd(self, tempdir): + cmd = "PERF_TEST_ATTR=%s %s %s -o %s/perf.data %s" % (tempdir, + self.perf, self.command, tempdir, self.args) + ret = os.WEXITSTATUS(os.system(cmd)) + + log.info(" running '%s' ret %d " % (cmd, ret)) + + if ret != int(self.ret): + raise Unsup(self) + + def compare(self, expect, result): + match = {} + + log.info(" compare"); + + # For each expected event find all matching + # events in result. Fail if there's not any. + for exp_name, exp_event in expect.items(): + exp_list = [] + log.debug(" matching [%s]" % exp_name) + for res_name, res_event in result.items(): + log.debug(" to [%s]" % res_name) + if (exp_event.equal(res_event)): + exp_list.append(res_name) + log.debug(" ->OK") + else: + log.debug(" ->FAIL"); + + log.info(" match: [%s] matches %s" % (exp_name, str(exp_list))) + + # we did not any matching event - fail + if (not exp_list): + raise Fail(self, 'match failure'); + + match[exp_name] = exp_list + + # For each defined group in the expected events + # check we match the same group in the result. + for exp_name, exp_event in expect.items(): + group = exp_event.group + + if (group == ''): + continue + + for res_name in match[exp_name]: + res_group = result[res_name].group + if res_group not in match[group]: + raise Fail(self, 'group failure') + + log.info(" group: [%s] matches group leader %s" % + (exp_name, str(match[group]))) + + log.info(" matched") + + def resolve_groups(self, events): + for name, event in events.items(): + group_fd = event['group_fd']; + if group_fd == '-1': + continue; + + for iname, ievent in events.items(): + if (ievent['fd'] == group_fd): + event.group = iname + log.debug('[%s] has group leader [%s]' % (name, iname)) + break; + + def run(self): + tempdir = tempfile.mkdtemp(); + + try: + # run the test script + self.run_cmd(tempdir); + + # load events expectation for the test + log.info(" loading result events"); + for f in glob.glob(tempdir + '/event*'): + self.load_events(f, self.result); + + # resolve group_fd to event names + self.resolve_groups(self.expect); + self.resolve_groups(self.result); + + # do the expectation - results matching - both ways + self.compare(self.expect, self.result) + self.compare(self.result, self.expect) + + finally: + # cleanup + shutil.rmtree(tempdir) + + +def run_tests(options): + for f in glob.glob(options.test_dir + '/' + options.test): + try: + Test(f, options).run() + except Unsup, obj: + log.warning("unsupp %s" % obj.getMsg()) + +def setup_log(verbose): + global log + level = logging.CRITICAL + + if verbose == 1: + level = logging.WARNING + if verbose == 2: + level = logging.INFO + if verbose >= 3: + level = logging.DEBUG + + log = logging.getLogger('test') + log.setLevel(level) + ch = logging.StreamHandler() + ch.setLevel(level) + formatter = logging.Formatter('%(message)s') + ch.setFormatter(formatter) + log.addHandler(ch) + +USAGE = '''%s [OPTIONS] + -d dir # tests dir + -p path # perf binary + -t test # single test + -v # verbose level +''' % sys.argv[0] + +def main(): + parser = optparse.OptionParser(usage=USAGE) + + parser.add_option("-t", "--test", + action="store", type="string", dest="test") + parser.add_option("-d", "--test-dir", + action="store", type="string", dest="test_dir") + parser.add_option("-p", "--perf", + action="store", type="string", dest="perf") + parser.add_option("-v", "--verbose", + action="count", dest="verbose") + + options, args = parser.parse_args() + if args: + parser.error('FAILED wrong arguments %s' % ' '.join(args)) + return -1 + + setup_log(options.verbose) + + if not options.test_dir: + print 'FAILED no -d option specified' + sys.exit(-1) + + if not options.test: + options.test = 'test*' + + try: + run_tests(options) + + except Fail, obj: + print "FAILED %s" % obj.getMsg(); + sys.exit(-1) + + sys.exit(0) + +if __name__ == '__main__': + main() diff --git a/tools/perf/tests/attr/README b/tools/perf/tests/attr/README new file mode 100644 index 000000000000..d102957cd59a --- /dev/null +++ b/tools/perf/tests/attr/README @@ -0,0 +1,64 @@ +The struct perf_event_attr test (attr tests) support +==================================================== +This testing support is embedded into perf directly and is governed +by the PERF_TEST_ATTR environment variable and hook inside the +sys_perf_event_open function. + +The general idea is to store 'struct perf_event_attr' details for +each event created within single perf command. Each event details +are stored into separate text file. Once perf command is finished +these files are checked for values we expect for command. + +The attr tests consist of following parts: + +tests/attr.c +------------ +This is the sys_perf_event_open hook implementation. The hook +is triggered when the PERF_TEST_ATTR environment variable is +defined. It must contain name of existing directory with access +and write permissions. + +For each sys_perf_event_open call event details are stored in +separate file. Besides 'struct perf_event_attr' values we also +store 'fd' and 'group_fd' values to allow checking for groups. + +tests/attr.py +------------- +This is the python script that does all the hard work. It reads +the test definition, executes it and checks results. + +tests/attr/ +----------- +Directory containing all attr test definitions. +Following tests are defined (with perf commands): + + perf record kill (test-record-basic) + perf record -b kill (test-record-branch-any) + perf record -j any kill (test-record-branch-filter-any) + perf record -j any_call kill (test-record-branch-filter-any_call) + perf record -j any_ret kill (test-record-branch-filter-any_ret) + perf record -j hv kill (test-record-branch-filter-hv) + perf record -j ind_call kill (test-record-branch-filter-ind_call) + perf record -j k kill (test-record-branch-filter-k) + perf record -j u kill (test-record-branch-filter-u) + perf record -c 123 kill (test-record-count) + perf record -d kill (test-record-data) + perf record -F 100 kill (test-record-freq) + perf record -g -- kill (test-record-graph-default) + perf record -g dwarf -- kill (test-record-graph-dwarf) + perf record -g fp kill (test-record-graph-fp) + perf record --group -e cycles,instructions kill (test-record-group) + perf record -e '{cycles,instructions}' kill (test-record-group1) + perf record -D kill (test-record-no-delay) + perf record -i kill (test-record-no-inherit) + perf record -n kill (test-record-no-samples) + perf record -c 100 -P kill (test-record-period) + perf record -R kill (test-record-raw) + perf stat -e cycles kill (test-stat-basic) + perf stat kill (test-stat-default) + perf stat -d kill (test-stat-detailed-1) + perf stat -dd kill (test-stat-detailed-2) + perf stat -ddd kill (test-stat-detailed-3) + perf stat --group -e cycles,instructions kill (test-stat-group) + perf stat -e '{cycles,instructions}' kill (test-stat-group1) + perf stat -i -e cycles kill (test-stat-no-inherit) diff --git a/tools/perf/tests/attr/base-record b/tools/perf/tests/attr/base-record new file mode 100644 index 000000000000..f1485d8e6a0b --- /dev/null +++ b/tools/perf/tests/attr/base-record @@ -0,0 +1,39 @@ +[event] +fd=1 +group_fd=-1 +flags=0 +type=0|1 +size=96 +config=0 +sample_period=4000 +sample_type=263 +read_format=7 +disabled=1 +inherit=1 +pinned=0 +exclusive=0 +exclude_user=0 +exclude_kernel=0 +exclude_hv=0 +exclude_idle=0 +mmap=1 +comm=1 +freq=1 +inherit_stat=0 +enable_on_exec=1 +task=0 +watermark=0 +precise_ip=0 +mmap_data=0 +sample_id_all=1 +exclude_host=0 +exclude_guest=1 +exclude_callchain_kernel=0 +exclude_callchain_user=0 +wakeup_events=0 +bp_type=0 +config1=0 +config2=0 +branch_sample_type=0 +sample_regs_user=0 +sample_stack_user=0 diff --git a/tools/perf/tests/attr/base-stat b/tools/perf/tests/attr/base-stat new file mode 100644 index 000000000000..4bd79a82784f --- /dev/null +++ b/tools/perf/tests/attr/base-stat @@ -0,0 +1,39 @@ +[event] +fd=1 +group_fd=-1 +flags=0 +type=0 +size=96 +config=0 +sample_period=0 +sample_type=0 +read_format=3 +disabled=1 +inherit=1 +pinned=0 +exclusive=0 +exclude_user=0 +exclude_kernel=0 +exclude_hv=0 +exclude_idle=0 +mmap=0 +comm=0 +freq=0 +inherit_stat=0 +enable_on_exec=1 +task=0 +watermark=0 +precise_ip=0 +mmap_data=0 +sample_id_all=0 +exclude_host=0 +exclude_guest=1 +exclude_callchain_kernel=0 +exclude_callchain_user=0 +wakeup_events=0 +bp_type=0 +config1=0 +config2=0 +branch_sample_type=0 +sample_regs_user=0 +sample_stack_user=0 diff --git a/tools/perf/tests/attr/test-record-basic b/tools/perf/tests/attr/test-record-basic new file mode 100644 index 000000000000..55c0428370ca --- /dev/null +++ b/tools/perf/tests/attr/test-record-basic @@ -0,0 +1,5 @@ +[config] +command = record +args = kill >/dev/null 2>&1 + +[event:base-record] diff --git a/tools/perf/tests/attr/test-record-branch-any b/tools/perf/tests/attr/test-record-branch-any new file mode 100644 index 000000000000..1421960ed4e9 --- /dev/null +++ b/tools/perf/tests/attr/test-record-branch-any @@ -0,0 +1,8 @@ +[config] +command = record +args = -b kill >/dev/null 2>&1 + +[event:base-record] +sample_period=4000 +sample_type=2311 +branch_sample_type=8 diff --git a/tools/perf/tests/attr/test-record-branch-filter-any b/tools/perf/tests/attr/test-record-branch-filter-any new file mode 100644 index 000000000000..915c4df0e0c2 --- /dev/null +++ b/tools/perf/tests/attr/test-record-branch-filter-any @@ -0,0 +1,8 @@ +[config] +command = record +args = -j any kill >/dev/null 2>&1 + +[event:base-record] +sample_period=4000 +sample_type=2311 +branch_sample_type=8 diff --git a/tools/perf/tests/attr/test-record-branch-filter-any_call b/tools/perf/tests/attr/test-record-branch-filter-any_call new file mode 100644 index 000000000000..8708dbd4f373 --- /dev/null +++ b/tools/perf/tests/attr/test-record-branch-filter-any_call @@ -0,0 +1,8 @@ +[config] +command = record +args = -j any_call kill >/dev/null 2>&1 + +[event:base-record] +sample_period=4000 +sample_type=2311 +branch_sample_type=16 diff --git a/tools/perf/tests/attr/test-record-branch-filter-any_ret b/tools/perf/tests/attr/test-record-branch-filter-any_ret new file mode 100644 index 000000000000..0d3607a6dcbe --- /dev/null +++ b/tools/perf/tests/attr/test-record-branch-filter-any_ret @@ -0,0 +1,8 @@ +[config] +command = record +args = -j any_ret kill >/dev/null 2>&1 + +[event:base-record] +sample_period=4000 +sample_type=2311 +branch_sample_type=32 diff --git a/tools/perf/tests/attr/test-record-branch-filter-hv b/tools/perf/tests/attr/test-record-branch-filter-hv new file mode 100644 index 000000000000..f25526740cec --- /dev/null +++ b/tools/perf/tests/attr/test-record-branch-filter-hv @@ -0,0 +1,8 @@ +[config] +command = record +args = -j hv kill >/dev/null 2>&1 + +[event:base-record] +sample_period=4000 +sample_type=2311 +branch_sample_type=8 diff --git a/tools/perf/tests/attr/test-record-branch-filter-ind_call b/tools/perf/tests/attr/test-record-branch-filter-ind_call new file mode 100644 index 000000000000..e862dd179128 --- /dev/null +++ b/tools/perf/tests/attr/test-record-branch-filter-ind_call @@ -0,0 +1,8 @@ +[config] +command = record +args = -j ind_call kill >/dev/null 2>&1 + +[event:base-record] +sample_period=4000 +sample_type=2311 +branch_sample_type=64 diff --git a/tools/perf/tests/attr/test-record-branch-filter-k b/tools/perf/tests/attr/test-record-branch-filter-k new file mode 100644 index 000000000000..182971e898f5 --- /dev/null +++ b/tools/perf/tests/attr/test-record-branch-filter-k @@ -0,0 +1,8 @@ +[config] +command = record +args = -j k kill >/dev/null 2>&1 + +[event:base-record] +sample_period=4000 +sample_type=2311 +branch_sample_type=8 diff --git a/tools/perf/tests/attr/test-record-branch-filter-u b/tools/perf/tests/attr/test-record-branch-filter-u new file mode 100644 index 000000000000..83449ef9e687 --- /dev/null +++ b/tools/perf/tests/attr/test-record-branch-filter-u @@ -0,0 +1,8 @@ +[config] +command = record +args = -j u kill >/dev/null 2>&1 + +[event:base-record] +sample_period=4000 +sample_type=2311 +branch_sample_type=8 diff --git a/tools/perf/tests/attr/test-record-count b/tools/perf/tests/attr/test-record-count new file mode 100644 index 000000000000..2f841de56f6b --- /dev/null +++ b/tools/perf/tests/attr/test-record-count @@ -0,0 +1,8 @@ +[config] +command = record +args = -c 123 kill >/dev/null 2>&1 + +[event:base-record] +sample_period=123 +sample_type=7 +freq=0 diff --git a/tools/perf/tests/attr/test-record-data b/tools/perf/tests/attr/test-record-data new file mode 100644 index 000000000000..6627c3e7534a --- /dev/null +++ b/tools/perf/tests/attr/test-record-data @@ -0,0 +1,8 @@ +[config] +command = record +args = -d kill >/dev/null 2>&1 + +[event:base-record] +sample_period=4000 +sample_type=271 +mmap_data=1 diff --git a/tools/perf/tests/attr/test-record-freq b/tools/perf/tests/attr/test-record-freq new file mode 100644 index 000000000000..600d0f8f2583 --- /dev/null +++ b/tools/perf/tests/attr/test-record-freq @@ -0,0 +1,6 @@ +[config] +command = record +args = -F 100 kill >/dev/null 2>&1 + +[event:base-record] +sample_period=100 diff --git a/tools/perf/tests/attr/test-record-graph-default b/tools/perf/tests/attr/test-record-graph-default new file mode 100644 index 000000000000..833d1849d767 --- /dev/null +++ b/tools/perf/tests/attr/test-record-graph-default @@ -0,0 +1,6 @@ +[config] +command = record +args = -g -- kill >/dev/null 2>&1 + +[event:base-record] +sample_type=295 diff --git a/tools/perf/tests/attr/test-record-graph-dwarf b/tools/perf/tests/attr/test-record-graph-dwarf new file mode 100644 index 000000000000..e93e082f5208 --- /dev/null +++ b/tools/perf/tests/attr/test-record-graph-dwarf @@ -0,0 +1,10 @@ +[config] +command = record +args = -g dwarf -- kill >/dev/null 2>&1 + +[event:base-record] +sample_type=12583 +exclude_callchain_user=1 +sample_stack_user=8192 +# TODO different for each arch, no support for that now +sample_regs_user=* diff --git a/tools/perf/tests/attr/test-record-graph-fp b/tools/perf/tests/attr/test-record-graph-fp new file mode 100644 index 000000000000..7cef3743f03f --- /dev/null +++ b/tools/perf/tests/attr/test-record-graph-fp @@ -0,0 +1,6 @@ +[config] +command = record +args = -g fp kill >/dev/null 2>&1 + +[event:base-record] +sample_type=295 diff --git a/tools/perf/tests/attr/test-record-group b/tools/perf/tests/attr/test-record-group new file mode 100644 index 000000000000..a6599e9a19d3 --- /dev/null +++ b/tools/perf/tests/attr/test-record-group @@ -0,0 +1,18 @@ +[config] +command = record +args = --group -e cycles,instructions kill >/dev/null 2>&1 + +[event-1:base-record] +fd=1 +group_fd=-1 +sample_type=327 + +[event-2:base-record] +fd=2 +group_fd=1 +config=1 +sample_type=327 +mmap=0 +comm=0 +enable_on_exec=0 +disabled=0 diff --git a/tools/perf/tests/attr/test-record-group1 b/tools/perf/tests/attr/test-record-group1 new file mode 100644 index 000000000000..5a8359da38af --- /dev/null +++ b/tools/perf/tests/attr/test-record-group1 @@ -0,0 +1,19 @@ +[config] +command = record +args = -e '{cycles,instructions}' kill >/tmp/krava 2>&1 + +[event-1:base-record] +fd=1 +group_fd=-1 +sample_type=327 + +[event-2:base-record] +fd=2 +group_fd=1 +type=0 +config=1 +sample_type=327 +mmap=0 +comm=0 +enable_on_exec=0 +disabled=0 diff --git a/tools/perf/tests/attr/test-record-no-delay b/tools/perf/tests/attr/test-record-no-delay new file mode 100644 index 000000000000..f253b78cdbf2 --- /dev/null +++ b/tools/perf/tests/attr/test-record-no-delay @@ -0,0 +1,9 @@ +[config] +command = record +args = -D kill >/dev/null 2>&1 + +[event:base-record] +sample_period=4000 +sample_type=263 +watermark=0 +wakeup_events=1 diff --git a/tools/perf/tests/attr/test-record-no-inherit b/tools/perf/tests/attr/test-record-no-inherit new file mode 100644 index 000000000000..9079a25cd643 --- /dev/null +++ b/tools/perf/tests/attr/test-record-no-inherit @@ -0,0 +1,7 @@ +[config] +command = record +args = -i kill >/dev/null 2>&1 + +[event:base-record] +sample_type=259 +inherit=0 diff --git a/tools/perf/tests/attr/test-record-no-samples b/tools/perf/tests/attr/test-record-no-samples new file mode 100644 index 000000000000..d0141b2418b5 --- /dev/null +++ b/tools/perf/tests/attr/test-record-no-samples @@ -0,0 +1,6 @@ +[config] +command = record +args = -n kill >/dev/null 2>&1 + +[event:base-record] +sample_period=0 diff --git a/tools/perf/tests/attr/test-record-period b/tools/perf/tests/attr/test-record-period new file mode 100644 index 000000000000..8abc5314fc52 --- /dev/null +++ b/tools/perf/tests/attr/test-record-period @@ -0,0 +1,7 @@ +[config] +command = record +args = -c 100 -P kill >/dev/null 2>&1 + +[event:base-record] +sample_period=100 +freq=0 diff --git a/tools/perf/tests/attr/test-record-raw b/tools/perf/tests/attr/test-record-raw new file mode 100644 index 000000000000..4a8ef25b5f49 --- /dev/null +++ b/tools/perf/tests/attr/test-record-raw @@ -0,0 +1,7 @@ +[config] +command = record +args = -R kill >/dev/null 2>&1 + +[event:base-record] +sample_period=4000 +sample_type=1415 diff --git a/tools/perf/tests/attr/test-stat-basic b/tools/perf/tests/attr/test-stat-basic new file mode 100644 index 000000000000..74e17881f2ba --- /dev/null +++ b/tools/perf/tests/attr/test-stat-basic @@ -0,0 +1,6 @@ +[config] +command = stat +args = -e cycles kill >/dev/null 2>&1 +ret = 1 + +[event:base-stat] diff --git a/tools/perf/tests/attr/test-stat-default b/tools/perf/tests/attr/test-stat-default new file mode 100644 index 000000000000..19270f54c96e --- /dev/null +++ b/tools/perf/tests/attr/test-stat-default @@ -0,0 +1,64 @@ +[config] +command = stat +args = kill >/dev/null 2>&1 +ret = 1 + +# PERF_TYPE_SOFTWARE / PERF_COUNT_SW_TASK_CLOCK +[event1:base-stat] +fd=1 +type=1 +config=1 + +# PERF_TYPE_SOFTWARE / PERF_COUNT_SW_CONTEXT_SWITCHES +[event2:base-stat] +fd=2 +type=1 +config=3 + +# PERF_TYPE_SOFTWARE / PERF_COUNT_SW_CPU_MIGRATIONS +[event3:base-stat] +fd=3 +type=1 +config=4 + +# PERF_TYPE_SOFTWARE / PERF_COUNT_SW_PAGE_FAULTS +[event4:base-stat] +fd=4 +type=1 +config=2 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_CPU_CYCLES +[event5:base-stat] +fd=5 +type=0 +config=0 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_STALLED_CYCLES_FRONTEND +[event6:base-stat] +fd=6 +type=0 +config=7 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_STALLED_CYCLES_BACKEND +[event7:base-stat] +fd=7 +type=0 +config=8 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_INSTRUCTIONS +[event8:base-stat] +fd=8 +type=0 +config=1 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_BRANCH_INSTRUCTIONS +[event9:base-stat] +fd=9 +type=0 +config=4 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_BRANCH_MISSES +[event10:base-stat] +fd=10 +type=0 +config=5 diff --git a/tools/perf/tests/attr/test-stat-detailed-1 b/tools/perf/tests/attr/test-stat-detailed-1 new file mode 100644 index 000000000000..51426b87153b --- /dev/null +++ b/tools/perf/tests/attr/test-stat-detailed-1 @@ -0,0 +1,101 @@ +[config] +command = stat +args = -d kill >/dev/null 2>&1 +ret = 1 + + +# PERF_TYPE_SOFTWARE / PERF_COUNT_SW_TASK_CLOCK +[event1:base-stat] +fd=1 +type=1 +config=1 + +# PERF_TYPE_SOFTWARE / PERF_COUNT_SW_CONTEXT_SWITCHES +[event2:base-stat] +fd=2 +type=1 +config=3 + +# PERF_TYPE_SOFTWARE / PERF_COUNT_SW_CPU_MIGRATIONS +[event3:base-stat] +fd=3 +type=1 +config=4 + +# PERF_TYPE_SOFTWARE / PERF_COUNT_SW_PAGE_FAULTS +[event4:base-stat] +fd=4 +type=1 +config=2 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_CPU_CYCLES +[event5:base-stat] +fd=5 +type=0 +config=0 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_STALLED_CYCLES_FRONTEND +[event6:base-stat] +fd=6 +type=0 +config=7 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_STALLED_CYCLES_BACKEND +[event7:base-stat] +fd=7 +type=0 +config=8 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_INSTRUCTIONS +[event8:base-stat] +fd=8 +type=0 +config=1 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_BRANCH_INSTRUCTIONS +[event9:base-stat] +fd=9 +type=0 +config=4 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_BRANCH_MISSES +[event10:base-stat] +fd=10 +type=0 +config=5 + +# PERF_TYPE_HW_CACHE / +# PERF_COUNT_HW_CACHE_L1D << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) +[event11:base-stat] +fd=11 +type=3 +config=0 + +# PERF_TYPE_HW_CACHE / +# PERF_COUNT_HW_CACHE_L1D << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) +[event12:base-stat] +fd=12 +type=3 +config=65536 + +# PERF_TYPE_HW_CACHE / +# PERF_COUNT_HW_CACHE_LL << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) +[event13:base-stat] +fd=13 +type=3 +config=2 + +# PERF_TYPE_HW_CACHE, +# PERF_COUNT_HW_CACHE_LL << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) +[event14:base-stat] +fd=14 +type=3 +config=65538 diff --git a/tools/perf/tests/attr/test-stat-detailed-2 b/tools/perf/tests/attr/test-stat-detailed-2 new file mode 100644 index 000000000000..8de5acc31c27 --- /dev/null +++ b/tools/perf/tests/attr/test-stat-detailed-2 @@ -0,0 +1,155 @@ +[config] +command = stat +args = -dd kill >/dev/null 2>&1 +ret = 1 + + +# PERF_TYPE_SOFTWARE / PERF_COUNT_SW_TASK_CLOCK +[event1:base-stat] +fd=1 +type=1 +config=1 + +# PERF_TYPE_SOFTWARE / PERF_COUNT_SW_CONTEXT_SWITCHES +[event2:base-stat] +fd=2 +type=1 +config=3 + +# PERF_TYPE_SOFTWARE / PERF_COUNT_SW_CPU_MIGRATIONS +[event3:base-stat] +fd=3 +type=1 +config=4 + +# PERF_TYPE_SOFTWARE / PERF_COUNT_SW_PAGE_FAULTS +[event4:base-stat] +fd=4 +type=1 +config=2 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_CPU_CYCLES +[event5:base-stat] +fd=5 +type=0 +config=0 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_STALLED_CYCLES_FRONTEND +[event6:base-stat] +fd=6 +type=0 +config=7 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_STALLED_CYCLES_BACKEND +[event7:base-stat] +fd=7 +type=0 +config=8 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_INSTRUCTIONS +[event8:base-stat] +fd=8 +type=0 +config=1 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_BRANCH_INSTRUCTIONS +[event9:base-stat] +fd=9 +type=0 +config=4 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_BRANCH_MISSES +[event10:base-stat] +fd=10 +type=0 +config=5 + +# PERF_TYPE_HW_CACHE / +# PERF_COUNT_HW_CACHE_L1D << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) +[event11:base-stat] +fd=11 +type=3 +config=0 + +# PERF_TYPE_HW_CACHE / +# PERF_COUNT_HW_CACHE_L1D << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) +[event12:base-stat] +fd=12 +type=3 +config=65536 + +# PERF_TYPE_HW_CACHE / +# PERF_COUNT_HW_CACHE_LL << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) +[event13:base-stat] +fd=13 +type=3 +config=2 + +# PERF_TYPE_HW_CACHE, +# PERF_COUNT_HW_CACHE_LL << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) +[event14:base-stat] +fd=14 +type=3 +config=65538 + +# PERF_TYPE_HW_CACHE, +# PERF_COUNT_HW_CACHE_L1I << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) +[event15:base-stat] +fd=15 +type=3 +config=1 + +# PERF_TYPE_HW_CACHE, +# PERF_COUNT_HW_CACHE_L1I << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) +[event16:base-stat] +fd=16 +type=3 +config=65537 + +# PERF_TYPE_HW_CACHE, +# PERF_COUNT_HW_CACHE_DTLB << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) +[event17:base-stat] +fd=17 +type=3 +config=3 + +# PERF_TYPE_HW_CACHE, +# PERF_COUNT_HW_CACHE_DTLB << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) +[event18:base-stat] +fd=18 +type=3 +config=65539 + +# PERF_TYPE_HW_CACHE, +# PERF_COUNT_HW_CACHE_ITLB << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) +[event19:base-stat] +fd=19 +type=3 +config=4 + +# PERF_TYPE_HW_CACHE, +# PERF_COUNT_HW_CACHE_ITLB << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) +[event20:base-stat] +fd=20 +type=3 +config=65540 diff --git a/tools/perf/tests/attr/test-stat-detailed-3 b/tools/perf/tests/attr/test-stat-detailed-3 new file mode 100644 index 000000000000..0a1f45bf7d79 --- /dev/null +++ b/tools/perf/tests/attr/test-stat-detailed-3 @@ -0,0 +1,173 @@ +[config] +command = stat +args = -ddd kill >/dev/null 2>&1 +ret = 1 + + +# PERF_TYPE_SOFTWARE / PERF_COUNT_SW_TASK_CLOCK +[event1:base-stat] +fd=1 +type=1 +config=1 + +# PERF_TYPE_SOFTWARE / PERF_COUNT_SW_CONTEXT_SWITCHES +[event2:base-stat] +fd=2 +type=1 +config=3 + +# PERF_TYPE_SOFTWARE / PERF_COUNT_SW_CPU_MIGRATIONS +[event3:base-stat] +fd=3 +type=1 +config=4 + +# PERF_TYPE_SOFTWARE / PERF_COUNT_SW_PAGE_FAULTS +[event4:base-stat] +fd=4 +type=1 +config=2 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_CPU_CYCLES +[event5:base-stat] +fd=5 +type=0 +config=0 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_STALLED_CYCLES_FRONTEND +[event6:base-stat] +fd=6 +type=0 +config=7 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_STALLED_CYCLES_BACKEND +[event7:base-stat] +fd=7 +type=0 +config=8 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_INSTRUCTIONS +[event8:base-stat] +fd=8 +type=0 +config=1 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_BRANCH_INSTRUCTIONS +[event9:base-stat] +fd=9 +type=0 +config=4 + +# PERF_TYPE_HARDWARE / PERF_COUNT_HW_BRANCH_MISSES +[event10:base-stat] +fd=10 +type=0 +config=5 + +# PERF_TYPE_HW_CACHE / +# PERF_COUNT_HW_CACHE_L1D << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) +[event11:base-stat] +fd=11 +type=3 +config=0 + +# PERF_TYPE_HW_CACHE / +# PERF_COUNT_HW_CACHE_L1D << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) +[event12:base-stat] +fd=12 +type=3 +config=65536 + +# PERF_TYPE_HW_CACHE / +# PERF_COUNT_HW_CACHE_LL << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) +[event13:base-stat] +fd=13 +type=3 +config=2 + +# PERF_TYPE_HW_CACHE, +# PERF_COUNT_HW_CACHE_LL << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) +[event14:base-stat] +fd=14 +type=3 +config=65538 + +# PERF_TYPE_HW_CACHE, +# PERF_COUNT_HW_CACHE_L1I << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) +[event15:base-stat] +fd=15 +type=3 +config=1 + +# PERF_TYPE_HW_CACHE, +# PERF_COUNT_HW_CACHE_L1I << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) +[event16:base-stat] +fd=16 +type=3 +config=65537 + +# PERF_TYPE_HW_CACHE, +# PERF_COUNT_HW_CACHE_DTLB << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) +[event17:base-stat] +fd=17 +type=3 +config=3 + +# PERF_TYPE_HW_CACHE, +# PERF_COUNT_HW_CACHE_DTLB << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) +[event18:base-stat] +fd=18 +type=3 +config=65539 + +# PERF_TYPE_HW_CACHE, +# PERF_COUNT_HW_CACHE_ITLB << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) +[event19:base-stat] +fd=19 +type=3 +config=4 + +# PERF_TYPE_HW_CACHE, +# PERF_COUNT_HW_CACHE_ITLB << 0 | +# (PERF_COUNT_HW_CACHE_OP_READ << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) +[event20:base-stat] +fd=20 +type=3 +config=65540 + +# PERF_TYPE_HW_CACHE, +# PERF_COUNT_HW_CACHE_L1D << 0 | +# (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) +[event21:base-stat] +fd=21 +type=3 +config=512 + +# PERF_TYPE_HW_CACHE, +# PERF_COUNT_HW_CACHE_L1D << 0 | +# (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | +# (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) +[event22:base-stat] +fd=22 +type=3 +config=66048 diff --git a/tools/perf/tests/attr/test-stat-group b/tools/perf/tests/attr/test-stat-group new file mode 100644 index 000000000000..fdc1596a8862 --- /dev/null +++ b/tools/perf/tests/attr/test-stat-group @@ -0,0 +1,15 @@ +[config] +command = stat +args = --group -e cycles,instructions kill >/dev/null 2>&1 +ret = 1 + +[event-1:base-stat] +fd=1 +group_fd=-1 + +[event-2:base-stat] +fd=2 +group_fd=1 +config=1 +disabled=0 +enable_on_exec=0 diff --git a/tools/perf/tests/attr/test-stat-group1 b/tools/perf/tests/attr/test-stat-group1 new file mode 100644 index 000000000000..2a1f86e4a904 --- /dev/null +++ b/tools/perf/tests/attr/test-stat-group1 @@ -0,0 +1,15 @@ +[config] +command = stat +args = -e '{cycles,instructions}' kill >/dev/null 2>&1 +ret = 1 + +[event-1:base-stat] +fd=1 +group_fd=-1 + +[event-2:base-stat] +fd=2 +group_fd=1 +config=1 +disabled=0 +enable_on_exec=0 diff --git a/tools/perf/tests/attr/test-stat-no-inherit b/tools/perf/tests/attr/test-stat-no-inherit new file mode 100644 index 000000000000..d54b2a1e3e28 --- /dev/null +++ b/tools/perf/tests/attr/test-stat-no-inherit @@ -0,0 +1,7 @@ +[config] +command = stat +args = -i -e cycles kill >/dev/null 2>&1 +ret = 1 + +[event:base-stat] +inherit=0 diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c new file mode 100644 index 000000000000..186f67535494 --- /dev/null +++ b/tools/perf/tests/builtin-test.c @@ -0,0 +1,173 @@ +/* + * builtin-test.c + * + * Builtin regression testing command: ever growing number of sanity tests + */ +#include "builtin.h" +#include "tests.h" +#include "debug.h" +#include "color.h" +#include "parse-options.h" +#include "symbol.h" + +static struct test { + const char *desc; + int (*func)(void); +} tests[] = { + { + .desc = "vmlinux symtab matches kallsyms", + .func = test__vmlinux_matches_kallsyms, + }, + { + .desc = "detect open syscall event", + .func = test__open_syscall_event, + }, + { + .desc = "detect open syscall event on all cpus", + .func = test__open_syscall_event_on_all_cpus, + }, + { + .desc = "read samples using the mmap interface", + .func = test__basic_mmap, + }, + { + .desc = "parse events tests", + .func = test__parse_events, + }, +#if defined(__x86_64__) || defined(__i386__) + { + .desc = "x86 rdpmc test", + .func = test__rdpmc, + }, +#endif + { + .desc = "Validate PERF_RECORD_* events & perf_sample fields", + .func = test__PERF_RECORD, + }, + { + .desc = "Test perf pmu format parsing", + .func = test__pmu, + }, + { + .desc = "Test dso data interface", + .func = test__dso_data, + }, + { + .desc = "roundtrip evsel->name check", + .func = test__perf_evsel__roundtrip_name_test, + }, + { + .desc = "Check parsing of sched tracepoints fields", + .func = test__perf_evsel__tp_sched_test, + }, + { + .desc = "Generate and check syscalls:sys_enter_open event fields", + .func = test__syscall_open_tp_fields, + }, + { + .desc = "struct perf_event_attr setup", + .func = test__attr, + }, + { + .func = NULL, + }, +}; + +static bool perf_test__matches(int curr, int argc, const char *argv[]) +{ + int i; + + if (argc == 0) + return true; + + for (i = 0; i < argc; ++i) { + char *end; + long nr = strtoul(argv[i], &end, 10); + + if (*end == '\0') { + if (nr == curr + 1) + return true; + continue; + } + + if (strstr(tests[curr].desc, argv[i])) + return true; + } + + return false; +} + +static int __cmd_test(int argc, const char *argv[]) +{ + int i = 0; + int width = 0; + + while (tests[i].func) { + int len = strlen(tests[i].desc); + + if (width < len) + width = len; + ++i; + } + + i = 0; + while (tests[i].func) { + int curr = i++, err; + + if (!perf_test__matches(curr, argc, argv)) + continue; + + pr_info("%2d: %-*s:", i, width, tests[curr].desc); + pr_debug("\n--- start ---\n"); + err = tests[curr].func(); + pr_debug("---- end ----\n%s:", tests[curr].desc); + if (err) + color_fprintf(stderr, PERF_COLOR_RED, " FAILED!\n"); + else + pr_info(" Ok\n"); + } + + return 0; +} + +static int perf_test__list(int argc, const char **argv) +{ + int i = 0; + + while (tests[i].func) { + int curr = i++; + + if (argc > 1 && !strstr(tests[curr].desc, argv[1])) + continue; + + pr_info("%2d: %s\n", i, tests[curr].desc); + } + + return 0; +} + +int cmd_test(int argc, const char **argv, const char *prefix __maybe_unused) +{ + const char * const test_usage[] = { + "perf test [<options>] [{list <test-name-fragment>|[<test-name-fragments>|<test-numbers>]}]", + NULL, + }; + const struct option test_options[] = { + OPT_INCR('v', "verbose", &verbose, + "be more verbose (show symbol address, etc)"), + OPT_END() + }; + + argc = parse_options(argc, argv, test_options, test_usage, 0); + if (argc >= 1 && !strcmp(argv[0], "list")) + return perf_test__list(argc, argv); + + symbol_conf.priv_size = sizeof(int); + symbol_conf.sort_by_name = true; + symbol_conf.try_vmlinux_path = true; + + if (symbol__init() < 0) + return -1; + + return __cmd_test(argc, argv); +} diff --git a/tools/perf/util/dso-test-data.c b/tools/perf/tests/dso-data.c index c6caedeb1d6b..5eaffa2de9c5 100644 --- a/tools/perf/util/dso-test-data.c +++ b/tools/perf/tests/dso-data.c @@ -6,7 +6,9 @@ #include <fcntl.h> #include <string.h> +#include "machine.h" #include "symbol.h" +#include "tests.h" #define TEST_ASSERT_VAL(text, cond) \ do { \ @@ -24,6 +26,10 @@ static char *test_file(int size) unsigned char *buf; fd = mkstemp(templ); + if (fd < 0) { + perror("mkstemp failed"); + return NULL; + } buf = malloc(size); if (!buf) { @@ -94,7 +100,7 @@ struct test_data_offset offsets[] = { }, }; -int dso__test_data(void) +int test__dso_data(void) { struct machine machine; struct dso *dso; diff --git a/tools/perf/tests/evsel-roundtrip-name.c b/tools/perf/tests/evsel-roundtrip-name.c new file mode 100644 index 000000000000..e61fc828a158 --- /dev/null +++ b/tools/perf/tests/evsel-roundtrip-name.c @@ -0,0 +1,114 @@ +#include "evlist.h" +#include "evsel.h" +#include "parse-events.h" +#include "tests.h" + +static int perf_evsel__roundtrip_cache_name_test(void) +{ + char name[128]; + int type, op, err = 0, ret = 0, i, idx; + struct perf_evsel *evsel; + struct perf_evlist *evlist = perf_evlist__new(NULL, NULL); + + if (evlist == NULL) + return -ENOMEM; + + for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) { + for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) { + /* skip invalid cache type */ + if (!perf_evsel__is_cache_op_valid(type, op)) + continue; + + for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) { + __perf_evsel__hw_cache_type_op_res_name(type, op, i, + name, sizeof(name)); + err = parse_events(evlist, name, 0); + if (err) + ret = err; + } + } + } + + idx = 0; + evsel = perf_evlist__first(evlist); + + for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) { + for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) { + /* skip invalid cache type */ + if (!perf_evsel__is_cache_op_valid(type, op)) + continue; + + for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) { + __perf_evsel__hw_cache_type_op_res_name(type, op, i, + name, sizeof(name)); + if (evsel->idx != idx) + continue; + + ++idx; + + if (strcmp(perf_evsel__name(evsel), name)) { + pr_debug("%s != %s\n", perf_evsel__name(evsel), name); + ret = -1; + } + + evsel = perf_evsel__next(evsel); + } + } + } + + perf_evlist__delete(evlist); + return ret; +} + +static int __perf_evsel__name_array_test(const char *names[], int nr_names) +{ + int i, err; + struct perf_evsel *evsel; + struct perf_evlist *evlist = perf_evlist__new(NULL, NULL); + + if (evlist == NULL) + return -ENOMEM; + + for (i = 0; i < nr_names; ++i) { + err = parse_events(evlist, names[i], 0); + if (err) { + pr_debug("failed to parse event '%s', err %d\n", + names[i], err); + goto out_delete_evlist; + } + } + + err = 0; + list_for_each_entry(evsel, &evlist->entries, node) { + if (strcmp(perf_evsel__name(evsel), names[evsel->idx])) { + --err; + pr_debug("%s != %s\n", perf_evsel__name(evsel), names[evsel->idx]); + } + } + +out_delete_evlist: + perf_evlist__delete(evlist); + return err; +} + +#define perf_evsel__name_array_test(names) \ + __perf_evsel__name_array_test(names, ARRAY_SIZE(names)) + +int test__perf_evsel__roundtrip_name_test(void) +{ + int err = 0, ret = 0; + + err = perf_evsel__name_array_test(perf_evsel__hw_names); + if (err) + ret = err; + + err = perf_evsel__name_array_test(perf_evsel__sw_names); + if (err) + ret = err; + + err = perf_evsel__roundtrip_cache_name_test(); + if (err) + ret = err; + + return ret; +} diff --git a/tools/perf/tests/evsel-tp-sched.c b/tools/perf/tests/evsel-tp-sched.c new file mode 100644 index 000000000000..a5d2fcc5ae35 --- /dev/null +++ b/tools/perf/tests/evsel-tp-sched.c @@ -0,0 +1,84 @@ +#include "evsel.h" +#include "tests.h" +#include "event-parse.h" + +static int perf_evsel__test_field(struct perf_evsel *evsel, const char *name, + int size, bool should_be_signed) +{ + struct format_field *field = perf_evsel__field(evsel, name); + int is_signed; + int ret = 0; + + if (field == NULL) { + pr_debug("%s: \"%s\" field not found!\n", evsel->name, name); + return -1; + } + + is_signed = !!(field->flags | FIELD_IS_SIGNED); + if (should_be_signed && !is_signed) { + pr_debug("%s: \"%s\" signedness(%d) is wrong, should be %d\n", + evsel->name, name, is_signed, should_be_signed); + ret = -1; + } + + if (field->size != size) { + pr_debug("%s: \"%s\" size (%d) should be %d!\n", + evsel->name, name, field->size, size); + ret = -1; + } + + return ret; +} + +int test__perf_evsel__tp_sched_test(void) +{ + struct perf_evsel *evsel = perf_evsel__newtp("sched", "sched_switch", 0); + int ret = 0; + + if (evsel == NULL) { + pr_debug("perf_evsel__new\n"); + return -1; + } + + if (perf_evsel__test_field(evsel, "prev_comm", 16, true)) + ret = -1; + + if (perf_evsel__test_field(evsel, "prev_pid", 4, true)) + ret = -1; + + if (perf_evsel__test_field(evsel, "prev_prio", 4, true)) + ret = -1; + + if (perf_evsel__test_field(evsel, "prev_state", 8, true)) + ret = -1; + + if (perf_evsel__test_field(evsel, "next_comm", 16, true)) + ret = -1; + + if (perf_evsel__test_field(evsel, "next_pid", 4, true)) + ret = -1; + + if (perf_evsel__test_field(evsel, "next_prio", 4, true)) + ret = -1; + + perf_evsel__delete(evsel); + + evsel = perf_evsel__newtp("sched", "sched_wakeup", 0); + + if (perf_evsel__test_field(evsel, "comm", 16, true)) + ret = -1; + + if (perf_evsel__test_field(evsel, "pid", 4, true)) + ret = -1; + + if (perf_evsel__test_field(evsel, "prio", 4, true)) + ret = -1; + + if (perf_evsel__test_field(evsel, "success", 4, true)) + ret = -1; + + if (perf_evsel__test_field(evsel, "target_cpu", 4, true)) + ret = -1; + + return ret; +} diff --git a/tools/perf/tests/mmap-basic.c b/tools/perf/tests/mmap-basic.c new file mode 100644 index 000000000000..e1746811e14b --- /dev/null +++ b/tools/perf/tests/mmap-basic.c @@ -0,0 +1,162 @@ +#include "evlist.h" +#include "evsel.h" +#include "thread_map.h" +#include "cpumap.h" +#include "tests.h" + +/* + * This test will generate random numbers of calls to some getpid syscalls, + * then establish an mmap for a group of events that are created to monitor + * the syscalls. + * + * It will receive the events, using mmap, use its PERF_SAMPLE_ID generated + * sample.id field to map back to its respective perf_evsel instance. + * + * Then it checks if the number of syscalls reported as perf events by + * the kernel corresponds to the number of syscalls made. + */ +int test__basic_mmap(void) +{ + int err = -1; + union perf_event *event; + struct thread_map *threads; + struct cpu_map *cpus; + struct perf_evlist *evlist; + struct perf_event_attr attr = { + .type = PERF_TYPE_TRACEPOINT, + .read_format = PERF_FORMAT_ID, + .sample_type = PERF_SAMPLE_ID, + .watermark = 0, + }; + cpu_set_t cpu_set; + const char *syscall_names[] = { "getsid", "getppid", "getpgrp", + "getpgid", }; + pid_t (*syscalls[])(void) = { (void *)getsid, getppid, getpgrp, + (void*)getpgid }; +#define nsyscalls ARRAY_SIZE(syscall_names) + int ids[nsyscalls]; + unsigned int nr_events[nsyscalls], + expected_nr_events[nsyscalls], i, j; + struct perf_evsel *evsels[nsyscalls], *evsel; + + for (i = 0; i < nsyscalls; ++i) { + char name[64]; + + snprintf(name, sizeof(name), "sys_enter_%s", syscall_names[i]); + ids[i] = trace_event__id(name); + if (ids[i] < 0) { + pr_debug("Is debugfs mounted on /sys/kernel/debug?\n"); + return -1; + } + nr_events[i] = 0; + expected_nr_events[i] = random() % 257; + } + + threads = thread_map__new(-1, getpid(), UINT_MAX); + if (threads == NULL) { + pr_debug("thread_map__new\n"); + return -1; + } + + cpus = cpu_map__new(NULL); + if (cpus == NULL) { + pr_debug("cpu_map__new\n"); + goto out_free_threads; + } + + CPU_ZERO(&cpu_set); + CPU_SET(cpus->map[0], &cpu_set); + sched_setaffinity(0, sizeof(cpu_set), &cpu_set); + if (sched_setaffinity(0, sizeof(cpu_set), &cpu_set) < 0) { + pr_debug("sched_setaffinity() failed on CPU %d: %s ", + cpus->map[0], strerror(errno)); + goto out_free_cpus; + } + + evlist = perf_evlist__new(cpus, threads); + if (evlist == NULL) { + pr_debug("perf_evlist__new\n"); + goto out_free_cpus; + } + + /* anonymous union fields, can't be initialized above */ + attr.wakeup_events = 1; + attr.sample_period = 1; + + for (i = 0; i < nsyscalls; ++i) { + attr.config = ids[i]; + evsels[i] = perf_evsel__new(&attr, i); + if (evsels[i] == NULL) { + pr_debug("perf_evsel__new\n"); + goto out_free_evlist; + } + + perf_evlist__add(evlist, evsels[i]); + + if (perf_evsel__open(evsels[i], cpus, threads) < 0) { + pr_debug("failed to open counter: %s, " + "tweak /proc/sys/kernel/perf_event_paranoid?\n", + strerror(errno)); + goto out_close_fd; + } + } + + if (perf_evlist__mmap(evlist, 128, true) < 0) { + pr_debug("failed to mmap events: %d (%s)\n", errno, + strerror(errno)); + goto out_close_fd; + } + + for (i = 0; i < nsyscalls; ++i) + for (j = 0; j < expected_nr_events[i]; ++j) { + int foo = syscalls[i](); + ++foo; + } + + while ((event = perf_evlist__mmap_read(evlist, 0)) != NULL) { + struct perf_sample sample; + + if (event->header.type != PERF_RECORD_SAMPLE) { + pr_debug("unexpected %s event\n", + perf_event__name(event->header.type)); + goto out_munmap; + } + + err = perf_evlist__parse_sample(evlist, event, &sample); + if (err) { + pr_err("Can't parse sample, err = %d\n", err); + goto out_munmap; + } + + evsel = perf_evlist__id2evsel(evlist, sample.id); + if (evsel == NULL) { + pr_debug("event with id %" PRIu64 + " doesn't map to an evsel\n", sample.id); + goto out_munmap; + } + nr_events[evsel->idx]++; + } + + list_for_each_entry(evsel, &evlist->entries, node) { + if (nr_events[evsel->idx] != expected_nr_events[evsel->idx]) { + pr_debug("expected %d %s events, got %d\n", + expected_nr_events[evsel->idx], + perf_evsel__name(evsel), nr_events[evsel->idx]); + goto out_munmap; + } + } + + err = 0; +out_munmap: + perf_evlist__munmap(evlist); +out_close_fd: + for (i = 0; i < nsyscalls; ++i) + perf_evsel__close_fd(evsels[i], 1, threads->nr); +out_free_evlist: + perf_evlist__delete(evlist); +out_free_cpus: + cpu_map__delete(cpus); +out_free_threads: + thread_map__delete(threads); + return err; +} diff --git a/tools/perf/tests/open-syscall-all-cpus.c b/tools/perf/tests/open-syscall-all-cpus.c new file mode 100644 index 000000000000..31072aba0d54 --- /dev/null +++ b/tools/perf/tests/open-syscall-all-cpus.c @@ -0,0 +1,120 @@ +#include "evsel.h" +#include "tests.h" +#include "thread_map.h" +#include "cpumap.h" +#include "debug.h" + +int test__open_syscall_event_on_all_cpus(void) +{ + int err = -1, fd, cpu; + struct thread_map *threads; + struct cpu_map *cpus; + struct perf_evsel *evsel; + struct perf_event_attr attr; + unsigned int nr_open_calls = 111, i; + cpu_set_t cpu_set; + int id = trace_event__id("sys_enter_open"); + + if (id < 0) { + pr_debug("is debugfs mounted on /sys/kernel/debug?\n"); + return -1; + } + + threads = thread_map__new(-1, getpid(), UINT_MAX); + if (threads == NULL) { + pr_debug("thread_map__new\n"); + return -1; + } + + cpus = cpu_map__new(NULL); + if (cpus == NULL) { + pr_debug("cpu_map__new\n"); + goto out_thread_map_delete; + } + + + CPU_ZERO(&cpu_set); + + memset(&attr, 0, sizeof(attr)); + attr.type = PERF_TYPE_TRACEPOINT; + attr.config = id; + evsel = perf_evsel__new(&attr, 0); + if (evsel == NULL) { + pr_debug("perf_evsel__new\n"); + goto out_thread_map_delete; + } + + if (perf_evsel__open(evsel, cpus, threads) < 0) { + pr_debug("failed to open counter: %s, " + "tweak /proc/sys/kernel/perf_event_paranoid?\n", + strerror(errno)); + goto out_evsel_delete; + } + + for (cpu = 0; cpu < cpus->nr; ++cpu) { + unsigned int ncalls = nr_open_calls + cpu; + /* + * XXX eventually lift this restriction in a way that + * keeps perf building on older glibc installations + * without CPU_ALLOC. 1024 cpus in 2010 still seems + * a reasonable upper limit tho :-) + */ + if (cpus->map[cpu] >= CPU_SETSIZE) { + pr_debug("Ignoring CPU %d\n", cpus->map[cpu]); + continue; + } + + CPU_SET(cpus->map[cpu], &cpu_set); + if (sched_setaffinity(0, sizeof(cpu_set), &cpu_set) < 0) { + pr_debug("sched_setaffinity() failed on CPU %d: %s ", + cpus->map[cpu], + strerror(errno)); + goto out_close_fd; + } + for (i = 0; i < ncalls; ++i) { + fd = open("/etc/passwd", O_RDONLY); + close(fd); + } + CPU_CLR(cpus->map[cpu], &cpu_set); + } + + /* + * Here we need to explicitely preallocate the counts, as if + * we use the auto allocation it will allocate just for 1 cpu, + * as we start by cpu 0. + */ + if (perf_evsel__alloc_counts(evsel, cpus->nr) < 0) { + pr_debug("perf_evsel__alloc_counts(ncpus=%d)\n", cpus->nr); + goto out_close_fd; + } + + err = 0; + + for (cpu = 0; cpu < cpus->nr; ++cpu) { + unsigned int expected; + + if (cpus->map[cpu] >= CPU_SETSIZE) + continue; + + if (perf_evsel__read_on_cpu(evsel, cpu, 0) < 0) { + pr_debug("perf_evsel__read_on_cpu\n"); + err = -1; + break; + } + + expected = nr_open_calls + cpu; + if (evsel->counts->cpu[cpu].val != expected) { + pr_debug("perf_evsel__read_on_cpu: expected to intercept %d calls on cpu %d, got %" PRIu64 "\n", + expected, cpus->map[cpu], evsel->counts->cpu[cpu].val); + err = -1; + } + } + +out_close_fd: + perf_evsel__close_fd(evsel, 1, threads->nr); +out_evsel_delete: + perf_evsel__delete(evsel); +out_thread_map_delete: + thread_map__delete(threads); + return err; +} diff --git a/tools/perf/tests/open-syscall-tp-fields.c b/tools/perf/tests/open-syscall-tp-fields.c new file mode 100644 index 000000000000..1c52fdc1164e --- /dev/null +++ b/tools/perf/tests/open-syscall-tp-fields.c @@ -0,0 +1,117 @@ +#include "perf.h" +#include "evlist.h" +#include "evsel.h" +#include "thread_map.h" +#include "tests.h" + +int test__syscall_open_tp_fields(void) +{ + struct perf_record_opts opts = { + .target = { + .uid = UINT_MAX, + .uses_mmap = true, + }, + .no_delay = true, + .freq = 1, + .mmap_pages = 256, + .raw_samples = true, + }; + const char *filename = "/etc/passwd"; + int flags = O_RDONLY | O_DIRECTORY; + struct perf_evlist *evlist = perf_evlist__new(NULL, NULL); + struct perf_evsel *evsel; + int err = -1, i, nr_events = 0, nr_polls = 0; + + if (evlist == NULL) { + pr_debug("%s: perf_evlist__new\n", __func__); + goto out; + } + + evsel = perf_evsel__newtp("syscalls", "sys_enter_open", 0); + if (evsel == NULL) { + pr_debug("%s: perf_evsel__newtp\n", __func__); + goto out_delete_evlist; + } + + perf_evlist__add(evlist, evsel); + + err = perf_evlist__create_maps(evlist, &opts.target); + if (err < 0) { + pr_debug("%s: perf_evlist__create_maps\n", __func__); + goto out_delete_evlist; + } + + perf_evsel__config(evsel, &opts); + + evlist->threads->map[0] = getpid(); + + err = perf_evlist__open(evlist); + if (err < 0) { + pr_debug("perf_evlist__open: %s\n", strerror(errno)); + goto out_delete_evlist; + } + + err = perf_evlist__mmap(evlist, UINT_MAX, false); + if (err < 0) { + pr_debug("perf_evlist__mmap: %s\n", strerror(errno)); + goto out_delete_evlist; + } + + perf_evlist__enable(evlist); + + /* + * Generate the event: + */ + open(filename, flags); + + while (1) { + int before = nr_events; + + for (i = 0; i < evlist->nr_mmaps; i++) { + union perf_event *event; + + while ((event = perf_evlist__mmap_read(evlist, i)) != NULL) { + const u32 type = event->header.type; + int tp_flags; + struct perf_sample sample; + + ++nr_events; + + if (type != PERF_RECORD_SAMPLE) + continue; + + err = perf_evsel__parse_sample(evsel, event, &sample); + if (err) { + pr_err("Can't parse sample, err = %d\n", err); + goto out_munmap; + } + + tp_flags = perf_evsel__intval(evsel, &sample, "flags"); + + if (flags != tp_flags) { + pr_debug("%s: Expected flags=%#x, got %#x\n", + __func__, flags, tp_flags); + goto out_munmap; + } + + goto out_ok; + } + } + + if (nr_events == before) + poll(evlist->pollfd, evlist->nr_fds, 10); + + if (++nr_polls > 5) { + pr_debug("%s: no events!\n", __func__); + goto out_munmap; + } + } +out_ok: + err = 0; +out_munmap: + perf_evlist__munmap(evlist); +out_delete_evlist: + perf_evlist__delete(evlist); +out: + return err; +} diff --git a/tools/perf/tests/open-syscall.c b/tools/perf/tests/open-syscall.c new file mode 100644 index 000000000000..98be8b518b4f --- /dev/null +++ b/tools/perf/tests/open-syscall.c @@ -0,0 +1,66 @@ +#include "thread_map.h" +#include "evsel.h" +#include "debug.h" +#include "tests.h" + +int test__open_syscall_event(void) +{ + int err = -1, fd; + struct thread_map *threads; + struct perf_evsel *evsel; + struct perf_event_attr attr; + unsigned int nr_open_calls = 111, i; + int id = trace_event__id("sys_enter_open"); + + if (id < 0) { + pr_debug("is debugfs mounted on /sys/kernel/debug?\n"); + return -1; + } + + threads = thread_map__new(-1, getpid(), UINT_MAX); + if (threads == NULL) { + pr_debug("thread_map__new\n"); + return -1; + } + + memset(&attr, 0, sizeof(attr)); + attr.type = PERF_TYPE_TRACEPOINT; + attr.config = id; + evsel = perf_evsel__new(&attr, 0); + if (evsel == NULL) { + pr_debug("perf_evsel__new\n"); + goto out_thread_map_delete; + } + + if (perf_evsel__open_per_thread(evsel, threads) < 0) { + pr_debug("failed to open counter: %s, " + "tweak /proc/sys/kernel/perf_event_paranoid?\n", + strerror(errno)); + goto out_evsel_delete; + } + + for (i = 0; i < nr_open_calls; ++i) { + fd = open("/etc/passwd", O_RDONLY); + close(fd); + } + + if (perf_evsel__read_on_cpu(evsel, 0, 0) < 0) { + pr_debug("perf_evsel__read_on_cpu\n"); + goto out_close_fd; + } + + if (evsel->counts->cpu[0].val != nr_open_calls) { + pr_debug("perf_evsel__read_on_cpu: expected to intercept %d calls, got %" PRIu64 "\n", + nr_open_calls, evsel->counts->cpu[0].val); + goto out_close_fd; + } + + err = 0; +out_close_fd: + perf_evsel__close_fd(evsel, 1, threads->nr); +out_evsel_delete: + perf_evsel__delete(evsel); +out_thread_map_delete: + thread_map__delete(threads); + return err; +} diff --git a/tools/perf/util/parse-events-test.c b/tools/perf/tests/parse-events.c index 516ecd9ddd6e..32ee478905eb 100644 --- a/tools/perf/util/parse-events-test.c +++ b/tools/perf/tests/parse-events.c @@ -3,7 +3,8 @@ #include "evsel.h" #include "evlist.h" #include "sysfs.h" -#include "../../../include/linux/hw_breakpoint.h" +#include "tests.h" +#include <linux/hw_breakpoint.h> #define TEST_ASSERT_VAL(text, cond) \ do { \ @@ -443,6 +444,23 @@ static int test__checkevent_pmu_name(struct perf_evlist *evlist) return 0; } +static int test__checkevent_pmu_events(struct perf_evlist *evlist) +{ + struct perf_evsel *evsel; + + evsel = list_entry(evlist->entries.next, struct perf_evsel, node); + TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries); + TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->attr.type); + TEST_ASSERT_VAL("wrong exclude_user", + !evsel->attr.exclude_user); + TEST_ASSERT_VAL("wrong exclude_kernel", + evsel->attr.exclude_kernel); + TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv); + TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip); + + return 0; +} + static int test__checkterms_simple(struct list_head *terms) { struct parse_events__term *term; @@ -503,7 +521,7 @@ static int test__group1(struct perf_evlist *evlist) TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest); TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host); TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip); - TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL); + TEST_ASSERT_VAL("wrong leader", !perf_evsel__is_group_member(evsel)); /* cycles:upp */ evsel = perf_evsel__next(evsel); @@ -539,7 +557,7 @@ static int test__group2(struct perf_evlist *evlist) TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest); TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host); TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip); - TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL); + TEST_ASSERT_VAL("wrong leader", !perf_evsel__is_group_member(evsel)); /* cache-references + :u modifier */ evsel = perf_evsel__next(evsel); @@ -565,7 +583,7 @@ static int test__group2(struct perf_evlist *evlist) TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest); TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host); TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip); - TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL); + TEST_ASSERT_VAL("wrong leader", !perf_evsel__is_group_member(evsel)); return 0; } @@ -588,7 +606,7 @@ static int test__group3(struct perf_evlist *evlist __maybe_unused) TEST_ASSERT_VAL("wrong exclude guest", evsel->attr.exclude_guest); TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host); TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip); - TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL); + TEST_ASSERT_VAL("wrong leader", !perf_evsel__is_group_member(evsel)); TEST_ASSERT_VAL("wrong group name", !strcmp(leader->group_name, "group1")); @@ -618,7 +636,7 @@ static int test__group3(struct perf_evlist *evlist __maybe_unused) TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest); TEST_ASSERT_VAL("wrong exclude host", evsel->attr.exclude_host); TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip); - TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL); + TEST_ASSERT_VAL("wrong leader", !perf_evsel__is_group_member(evsel)); TEST_ASSERT_VAL("wrong group name", !strcmp(leader->group_name, "group2")); @@ -645,7 +663,7 @@ static int test__group3(struct perf_evlist *evlist __maybe_unused) TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest); TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host); TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip); - TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL); + TEST_ASSERT_VAL("wrong leader", !perf_evsel__is_group_member(evsel)); return 0; } @@ -669,7 +687,7 @@ static int test__group4(struct perf_evlist *evlist __maybe_unused) TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host); TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip == 1); TEST_ASSERT_VAL("wrong group name", !evsel->group_name); - TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL); + TEST_ASSERT_VAL("wrong leader", !perf_evsel__is_group_member(evsel)); /* instructions:kp + p */ evsel = perf_evsel__next(evsel); @@ -706,7 +724,7 @@ static int test__group5(struct perf_evlist *evlist __maybe_unused) TEST_ASSERT_VAL("wrong exclude host", evsel->attr.exclude_host); TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip); TEST_ASSERT_VAL("wrong group name", !evsel->group_name); - TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL); + TEST_ASSERT_VAL("wrong leader", !perf_evsel__is_group_member(evsel)); /* instructions + G */ evsel = perf_evsel__next(evsel); @@ -733,7 +751,7 @@ static int test__group5(struct perf_evlist *evlist __maybe_unused) TEST_ASSERT_VAL("wrong exclude host", evsel->attr.exclude_host); TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip); TEST_ASSERT_VAL("wrong group name", !evsel->group_name); - TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL); + TEST_ASSERT_VAL("wrong leader", !perf_evsel__is_group_member(evsel)); /* instructions:G */ evsel = perf_evsel__next(evsel); @@ -759,7 +777,7 @@ static int test__group5(struct perf_evlist *evlist __maybe_unused) TEST_ASSERT_VAL("wrong exclude guest", evsel->attr.exclude_guest); TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host); TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip); - TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL); + TEST_ASSERT_VAL("wrong leader", !perf_evsel__is_group_member(evsel)); return 0; } @@ -1024,7 +1042,52 @@ static int test_pmu(void) return !ret; } -int parse_events__test(void) +static int test_pmu_events(void) +{ + struct stat st; + char path[PATH_MAX]; + struct dirent *ent; + DIR *dir; + int ret; + + snprintf(path, PATH_MAX, "%s/bus/event_source/devices/cpu/events/", + sysfs_find_mountpoint()); + + ret = stat(path, &st); + if (ret) { + pr_debug("ommiting PMU cpu events tests\n"); + return 0; + } + + dir = opendir(path); + if (!dir) { + pr_debug("can't open pmu event dir"); + return -1; + } + + while (!ret && (ent = readdir(dir))) { +#define MAX_NAME 100 + struct test__event_st e; + char name[MAX_NAME]; + + if (!strcmp(ent->d_name, ".") || + !strcmp(ent->d_name, "..")) + continue; + + snprintf(name, MAX_NAME, "cpu/event=%s/u", ent->d_name); + + e.name = name; + e.check = test__checkevent_pmu_events; + + ret = test_event(&e); +#undef MAX_NAME + } + + closedir(dir); + return ret; +} + +int test__parse_events(void) { int ret1, ret2 = 0; @@ -1040,6 +1103,12 @@ do { \ if (test_pmu()) TEST_EVENTS(test__events_pmu); + if (test_pmu()) { + int ret = test_pmu_events(); + if (ret) + return ret; + } + ret1 = test_terms(test__terms, ARRAY_SIZE(test__terms)); if (!ret2) ret2 = ret1; diff --git a/tools/perf/tests/perf-record.c b/tools/perf/tests/perf-record.c new file mode 100644 index 000000000000..70e0d4421df8 --- /dev/null +++ b/tools/perf/tests/perf-record.c @@ -0,0 +1,312 @@ +#include <sched.h> +#include "evlist.h" +#include "evsel.h" +#include "perf.h" +#include "debug.h" +#include "tests.h" + +static int sched__get_first_possible_cpu(pid_t pid, cpu_set_t *maskp) +{ + int i, cpu = -1, nrcpus = 1024; +realloc: + CPU_ZERO(maskp); + + if (sched_getaffinity(pid, sizeof(*maskp), maskp) == -1) { + if (errno == EINVAL && nrcpus < (1024 << 8)) { + nrcpus = nrcpus << 2; + goto realloc; + } + perror("sched_getaffinity"); + return -1; + } + + for (i = 0; i < nrcpus; i++) { + if (CPU_ISSET(i, maskp)) { + if (cpu == -1) + cpu = i; + else + CPU_CLR(i, maskp); + } + } + + return cpu; +} + +int test__PERF_RECORD(void) +{ + struct perf_record_opts opts = { + .target = { + .uid = UINT_MAX, + .uses_mmap = true, + }, + .no_delay = true, + .freq = 10, + .mmap_pages = 256, + }; + cpu_set_t cpu_mask; + size_t cpu_mask_size = sizeof(cpu_mask); + struct perf_evlist *evlist = perf_evlist__new(NULL, NULL); + struct perf_evsel *evsel; + struct perf_sample sample; + const char *cmd = "sleep"; + const char *argv[] = { cmd, "1", NULL, }; + char *bname; + u64 prev_time = 0; + bool found_cmd_mmap = false, + found_libc_mmap = false, + found_vdso_mmap = false, + found_ld_mmap = false; + int err = -1, errs = 0, i, wakeups = 0; + u32 cpu; + int total_events = 0, nr_events[PERF_RECORD_MAX] = { 0, }; + + if (evlist == NULL || argv == NULL) { + pr_debug("Not enough memory to create evlist\n"); + goto out; + } + + /* + * We need at least one evsel in the evlist, use the default + * one: "cycles". + */ + err = perf_evlist__add_default(evlist); + if (err < 0) { + pr_debug("Not enough memory to create evsel\n"); + goto out_delete_evlist; + } + + /* + * Create maps of threads and cpus to monitor. In this case + * we start with all threads and cpus (-1, -1) but then in + * perf_evlist__prepare_workload we'll fill in the only thread + * we're monitoring, the one forked there. + */ + err = perf_evlist__create_maps(evlist, &opts.target); + if (err < 0) { + pr_debug("Not enough memory to create thread/cpu maps\n"); + goto out_delete_evlist; + } + + /* + * Prepare the workload in argv[] to run, it'll fork it, and then wait + * for perf_evlist__start_workload() to exec it. This is done this way + * so that we have time to open the evlist (calling sys_perf_event_open + * on all the fds) and then mmap them. + */ + err = perf_evlist__prepare_workload(evlist, &opts, argv); + if (err < 0) { + pr_debug("Couldn't run the workload!\n"); + goto out_delete_evlist; + } + + /* + * Config the evsels, setting attr->comm on the first one, etc. + */ + evsel = perf_evlist__first(evlist); + evsel->attr.sample_type |= PERF_SAMPLE_CPU; + evsel->attr.sample_type |= PERF_SAMPLE_TID; + evsel->attr.sample_type |= PERF_SAMPLE_TIME; + perf_evlist__config_attrs(evlist, &opts); + + err = sched__get_first_possible_cpu(evlist->workload.pid, &cpu_mask); + if (err < 0) { + pr_debug("sched__get_first_possible_cpu: %s\n", strerror(errno)); + goto out_delete_evlist; + } + + cpu = err; + + /* + * So that we can check perf_sample.cpu on all the samples. + */ + if (sched_setaffinity(evlist->workload.pid, cpu_mask_size, &cpu_mask) < 0) { + pr_debug("sched_setaffinity: %s\n", strerror(errno)); + goto out_delete_evlist; + } + + /* + * Call sys_perf_event_open on all the fds on all the evsels, + * grouping them if asked to. + */ + err = perf_evlist__open(evlist); + if (err < 0) { + pr_debug("perf_evlist__open: %s\n", strerror(errno)); + goto out_delete_evlist; + } + + /* + * mmap the first fd on a given CPU and ask for events for the other + * fds in the same CPU to be injected in the same mmap ring buffer + * (using ioctl(PERF_EVENT_IOC_SET_OUTPUT)). + */ + err = perf_evlist__mmap(evlist, opts.mmap_pages, false); + if (err < 0) { + pr_debug("perf_evlist__mmap: %s\n", strerror(errno)); + goto out_delete_evlist; + } + + /* + * Now that all is properly set up, enable the events, they will + * count just on workload.pid, which will start... + */ + perf_evlist__enable(evlist); + + /* + * Now! + */ + perf_evlist__start_workload(evlist); + + while (1) { + int before = total_events; + + for (i = 0; i < evlist->nr_mmaps; i++) { + union perf_event *event; + + while ((event = perf_evlist__mmap_read(evlist, i)) != NULL) { + const u32 type = event->header.type; + const char *name = perf_event__name(type); + + ++total_events; + if (type < PERF_RECORD_MAX) + nr_events[type]++; + + err = perf_evlist__parse_sample(evlist, event, &sample); + if (err < 0) { + if (verbose) + perf_event__fprintf(event, stderr); + pr_debug("Couldn't parse sample\n"); + goto out_err; + } + + if (verbose) { + pr_info("%" PRIu64" %d ", sample.time, sample.cpu); + perf_event__fprintf(event, stderr); + } + + if (prev_time > sample.time) { + pr_debug("%s going backwards in time, prev=%" PRIu64 ", curr=%" PRIu64 "\n", + name, prev_time, sample.time); + ++errs; + } + + prev_time = sample.time; + + if (sample.cpu != cpu) { + pr_debug("%s with unexpected cpu, expected %d, got %d\n", + name, cpu, sample.cpu); + ++errs; + } + + if ((pid_t)sample.pid != evlist->workload.pid) { + pr_debug("%s with unexpected pid, expected %d, got %d\n", + name, evlist->workload.pid, sample.pid); + ++errs; + } + + if ((pid_t)sample.tid != evlist->workload.pid) { + pr_debug("%s with unexpected tid, expected %d, got %d\n", + name, evlist->workload.pid, sample.tid); + ++errs; + } + + if ((type == PERF_RECORD_COMM || + type == PERF_RECORD_MMAP || + type == PERF_RECORD_FORK || + type == PERF_RECORD_EXIT) && + (pid_t)event->comm.pid != evlist->workload.pid) { + pr_debug("%s with unexpected pid/tid\n", name); + ++errs; + } + + if ((type == PERF_RECORD_COMM || + type == PERF_RECORD_MMAP) && + event->comm.pid != event->comm.tid) { + pr_debug("%s with different pid/tid!\n", name); + ++errs; + } + + switch (type) { + case PERF_RECORD_COMM: + if (strcmp(event->comm.comm, cmd)) { + pr_debug("%s with unexpected comm!\n", name); + ++errs; + } + break; + case PERF_RECORD_EXIT: + goto found_exit; + case PERF_RECORD_MMAP: + bname = strrchr(event->mmap.filename, '/'); + if (bname != NULL) { + if (!found_cmd_mmap) + found_cmd_mmap = !strcmp(bname + 1, cmd); + if (!found_libc_mmap) + found_libc_mmap = !strncmp(bname + 1, "libc", 4); + if (!found_ld_mmap) + found_ld_mmap = !strncmp(bname + 1, "ld", 2); + } else if (!found_vdso_mmap) + found_vdso_mmap = !strcmp(event->mmap.filename, "[vdso]"); + break; + + case PERF_RECORD_SAMPLE: + /* Just ignore samples for now */ + break; + default: + pr_debug("Unexpected perf_event->header.type %d!\n", + type); + ++errs; + } + } + } + + /* + * We don't use poll here because at least at 3.1 times the + * PERF_RECORD_{!SAMPLE} events don't honour + * perf_event_attr.wakeup_events, just PERF_EVENT_SAMPLE does. + */ + if (total_events == before && false) + poll(evlist->pollfd, evlist->nr_fds, -1); + + sleep(1); + if (++wakeups > 5) { + pr_debug("No PERF_RECORD_EXIT event!\n"); + break; + } + } + +found_exit: + if (nr_events[PERF_RECORD_COMM] > 1) { + pr_debug("Excessive number of PERF_RECORD_COMM events!\n"); + ++errs; + } + + if (nr_events[PERF_RECORD_COMM] == 0) { + pr_debug("Missing PERF_RECORD_COMM for %s!\n", cmd); + ++errs; + } + + if (!found_cmd_mmap) { + pr_debug("PERF_RECORD_MMAP for %s missing!\n", cmd); + ++errs; + } + + if (!found_libc_mmap) { + pr_debug("PERF_RECORD_MMAP for %s missing!\n", "libc"); + ++errs; + } + + if (!found_ld_mmap) { + pr_debug("PERF_RECORD_MMAP for %s missing!\n", "ld"); + ++errs; + } + + if (!found_vdso_mmap) { + pr_debug("PERF_RECORD_MMAP for %s missing!\n", "[vdso]"); + ++errs; + } +out_err: + perf_evlist__munmap(evlist); +out_delete_evlist: + perf_evlist__delete(evlist); +out: + return (err < 0 || errs > 0) ? -1 : 0; +} diff --git a/tools/perf/tests/pmu.c b/tools/perf/tests/pmu.c new file mode 100644 index 000000000000..a5f379863b8f --- /dev/null +++ b/tools/perf/tests/pmu.c @@ -0,0 +1,178 @@ +#include "parse-events.h" +#include "pmu.h" +#include "util.h" +#include "tests.h" + +/* Simulated format definitions. */ +static struct test_format { + const char *name; + const char *value; +} test_formats[] = { + { "krava01", "config:0-1,62-63\n", }, + { "krava02", "config:10-17\n", }, + { "krava03", "config:5\n", }, + { "krava11", "config1:0,2,4,6,8,20-28\n", }, + { "krava12", "config1:63\n", }, + { "krava13", "config1:45-47\n", }, + { "krava21", "config2:0-3,10-13,20-23,30-33,40-43,50-53,60-63\n", }, + { "krava22", "config2:8,18,48,58\n", }, + { "krava23", "config2:28-29,38\n", }, +}; + +#define TEST_FORMATS_CNT (sizeof(test_formats) / sizeof(struct test_format)) + +/* Simulated users input. */ +static struct parse_events__term test_terms[] = { + { + .config = (char *) "krava01", + .val.num = 15, + .type_val = PARSE_EVENTS__TERM_TYPE_NUM, + .type_term = PARSE_EVENTS__TERM_TYPE_USER, + }, + { + .config = (char *) "krava02", + .val.num = 170, + .type_val = PARSE_EVENTS__TERM_TYPE_NUM, + .type_term = PARSE_EVENTS__TERM_TYPE_USER, + }, + { + .config = (char *) "krava03", + .val.num = 1, + .type_val = PARSE_EVENTS__TERM_TYPE_NUM, + .type_term = PARSE_EVENTS__TERM_TYPE_USER, + }, + { + .config = (char *) "krava11", + .val.num = 27, + .type_val = PARSE_EVENTS__TERM_TYPE_NUM, + .type_term = PARSE_EVENTS__TERM_TYPE_USER, + }, + { + .config = (char *) "krava12", + .val.num = 1, + .type_val = PARSE_EVENTS__TERM_TYPE_NUM, + .type_term = PARSE_EVENTS__TERM_TYPE_USER, + }, + { + .config = (char *) "krava13", + .val.num = 2, + .type_val = PARSE_EVENTS__TERM_TYPE_NUM, + .type_term = PARSE_EVENTS__TERM_TYPE_USER, + }, + { + .config = (char *) "krava21", + .val.num = 119, + .type_val = PARSE_EVENTS__TERM_TYPE_NUM, + .type_term = PARSE_EVENTS__TERM_TYPE_USER, + }, + { + .config = (char *) "krava22", + .val.num = 11, + .type_val = PARSE_EVENTS__TERM_TYPE_NUM, + .type_term = PARSE_EVENTS__TERM_TYPE_USER, + }, + { + .config = (char *) "krava23", + .val.num = 2, + .type_val = PARSE_EVENTS__TERM_TYPE_NUM, + .type_term = PARSE_EVENTS__TERM_TYPE_USER, + }, +}; +#define TERMS_CNT (sizeof(test_terms) / sizeof(struct parse_events__term)) + +/* + * Prepare format directory data, exported by kernel + * at /sys/bus/event_source/devices/<dev>/format. + */ +static char *test_format_dir_get(void) +{ + static char dir[PATH_MAX]; + unsigned int i; + + snprintf(dir, PATH_MAX, "/tmp/perf-pmu-test-format-XXXXXX"); + if (!mkdtemp(dir)) + return NULL; + + for (i = 0; i < TEST_FORMATS_CNT; i++) { + static char name[PATH_MAX]; + struct test_format *format = &test_formats[i]; + FILE *file; + + snprintf(name, PATH_MAX, "%s/%s", dir, format->name); + + file = fopen(name, "w"); + if (!file) + return NULL; + + if (1 != fwrite(format->value, strlen(format->value), 1, file)) + break; + + fclose(file); + } + + return dir; +} + +/* Cleanup format directory. */ +static int test_format_dir_put(char *dir) +{ + char buf[PATH_MAX]; + snprintf(buf, PATH_MAX, "rm -f %s/*\n", dir); + if (system(buf)) + return -1; + + snprintf(buf, PATH_MAX, "rmdir %s\n", dir); + return system(buf); +} + +static struct list_head *test_terms_list(void) +{ + static LIST_HEAD(terms); + unsigned int i; + + for (i = 0; i < TERMS_CNT; i++) + list_add_tail(&test_terms[i].list, &terms); + + return &terms; +} + +#undef TERMS_CNT + +int test__pmu(void) +{ + char *format = test_format_dir_get(); + LIST_HEAD(formats); + struct list_head *terms = test_terms_list(); + int ret; + + if (!format) + return -EINVAL; + + do { + struct perf_event_attr attr; + + memset(&attr, 0, sizeof(attr)); + + ret = perf_pmu__format_parse(format, &formats); + if (ret) + break; + + ret = perf_pmu__config_terms(&formats, &attr, terms); + if (ret) + break; + + ret = -EINVAL; + + if (attr.config != 0xc00000000002a823) + break; + if (attr.config1 != 0x8000400000000145) + break; + if (attr.config2 != 0x0400000020041d07) + break; + + ret = 0; + } while (0); + + test_format_dir_put(format); + return ret; +} diff --git a/tools/perf/tests/rdpmc.c b/tools/perf/tests/rdpmc.c new file mode 100644 index 000000000000..ff94886aad99 --- /dev/null +++ b/tools/perf/tests/rdpmc.c @@ -0,0 +1,175 @@ +#include <unistd.h> +#include <stdlib.h> +#include <signal.h> +#include <sys/mman.h> +#include "types.h" +#include "perf.h" +#include "debug.h" +#include "tests.h" + +#if defined(__x86_64__) || defined(__i386__) + +#define barrier() asm volatile("" ::: "memory") + +static u64 rdpmc(unsigned int counter) +{ + unsigned int low, high; + + asm volatile("rdpmc" : "=a" (low), "=d" (high) : "c" (counter)); + + return low | ((u64)high) << 32; +} + +static u64 rdtsc(void) +{ + unsigned int low, high; + + asm volatile("rdtsc" : "=a" (low), "=d" (high)); + + return low | ((u64)high) << 32; +} + +static u64 mmap_read_self(void *addr) +{ + struct perf_event_mmap_page *pc = addr; + u32 seq, idx, time_mult = 0, time_shift = 0; + u64 count, cyc = 0, time_offset = 0, enabled, running, delta; + + do { + seq = pc->lock; + barrier(); + + enabled = pc->time_enabled; + running = pc->time_running; + + if (enabled != running) { + cyc = rdtsc(); + time_mult = pc->time_mult; + time_shift = pc->time_shift; + time_offset = pc->time_offset; + } + + idx = pc->index; + count = pc->offset; + if (idx) + count += rdpmc(idx - 1); + + barrier(); + } while (pc->lock != seq); + + if (enabled != running) { + u64 quot, rem; + + quot = (cyc >> time_shift); + rem = cyc & ((1 << time_shift) - 1); + delta = time_offset + quot * time_mult + + ((rem * time_mult) >> time_shift); + + enabled += delta; + if (idx) + running += delta; + + quot = count / running; + rem = count % running; + count = quot * enabled + (rem * enabled) / running; + } + + return count; +} + +/* + * If the RDPMC instruction faults then signal this back to the test parent task: + */ +static void segfault_handler(int sig __maybe_unused, + siginfo_t *info __maybe_unused, + void *uc __maybe_unused) +{ + exit(-1); +} + +static int __test__rdpmc(void) +{ + volatile int tmp = 0; + u64 i, loops = 1000; + int n; + int fd; + void *addr; + struct perf_event_attr attr = { + .type = PERF_TYPE_HARDWARE, + .config = PERF_COUNT_HW_INSTRUCTIONS, + .exclude_kernel = 1, + }; + u64 delta_sum = 0; + struct sigaction sa; + + sigfillset(&sa.sa_mask); + sa.sa_sigaction = segfault_handler; + sigaction(SIGSEGV, &sa, NULL); + + fd = sys_perf_event_open(&attr, 0, -1, -1, 0); + if (fd < 0) { + pr_err("Error: sys_perf_event_open() syscall returned " + "with %d (%s)\n", fd, strerror(errno)); + return -1; + } + + addr = mmap(NULL, page_size, PROT_READ, MAP_SHARED, fd, 0); + if (addr == (void *)(-1)) { + pr_err("Error: mmap() syscall returned with (%s)\n", + strerror(errno)); + goto out_close; + } + + for (n = 0; n < 6; n++) { + u64 stamp, now, delta; + + stamp = mmap_read_self(addr); + + for (i = 0; i < loops; i++) + tmp++; + + now = mmap_read_self(addr); + loops *= 10; + + delta = now - stamp; + pr_debug("%14d: %14Lu\n", n, (long long)delta); + + delta_sum += delta; + } + + munmap(addr, page_size); + pr_debug(" "); +out_close: + close(fd); + + if (!delta_sum) + return -1; + + return 0; +} + +int test__rdpmc(void) +{ + int status = 0; + int wret = 0; + int ret; + int pid; + + pid = fork(); + if (pid < 0) + return -1; + + if (!pid) { + ret = __test__rdpmc(); + + exit(ret); + } + + wret = waitpid(pid, &status, 0); + if (wret < 0 || status) + return -1; + + return 0; +} + +#endif diff --git a/tools/perf/tests/tests.h b/tools/perf/tests/tests.h new file mode 100644 index 000000000000..fc121edab016 --- /dev/null +++ b/tools/perf/tests/tests.h @@ -0,0 +1,22 @@ +#ifndef TESTS_H +#define TESTS_H + +/* Tests */ +int test__vmlinux_matches_kallsyms(void); +int test__open_syscall_event(void); +int test__open_syscall_event_on_all_cpus(void); +int test__basic_mmap(void); +int test__PERF_RECORD(void); +int test__rdpmc(void); +int test__perf_evsel__roundtrip_name_test(void); +int test__perf_evsel__tp_sched_test(void); +int test__syscall_open_tp_fields(void); +int test__pmu(void); +int test__attr(void); +int test__dso_data(void); +int test__parse_events(void); + +/* Util */ +int trace_event__id(const char *evname); + +#endif /* TESTS_H */ diff --git a/tools/perf/tests/util.c b/tools/perf/tests/util.c new file mode 100644 index 000000000000..748f2e8f6961 --- /dev/null +++ b/tools/perf/tests/util.c @@ -0,0 +1,30 @@ +#include <stdio.h> +#include <unistd.h> +#include <stdlib.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include "tests.h" +#include "debugfs.h" + +int trace_event__id(const char *evname) +{ + char *filename; + int err = -1, fd; + + if (asprintf(&filename, + "%s/syscalls/%s/id", + tracing_events_path, evname) < 0) + return -1; + + fd = open(filename, O_RDONLY); + if (fd >= 0) { + char id[16]; + if (read(fd, id, sizeof(id)) > 0) + err = atoi(id); + close(fd); + } + + free(filename); + return err; +} diff --git a/tools/perf/tests/vmlinux-kallsyms.c b/tools/perf/tests/vmlinux-kallsyms.c new file mode 100644 index 000000000000..0d1cdbee2f59 --- /dev/null +++ b/tools/perf/tests/vmlinux-kallsyms.c @@ -0,0 +1,230 @@ +#include <linux/compiler.h> +#include <linux/rbtree.h> +#include <string.h> +#include "map.h" +#include "symbol.h" +#include "util.h" +#include "tests.h" +#include "debug.h" +#include "machine.h" + +static int vmlinux_matches_kallsyms_filter(struct map *map __maybe_unused, + struct symbol *sym) +{ + bool *visited = symbol__priv(sym); + *visited = true; + return 0; +} + +int test__vmlinux_matches_kallsyms(void) +{ + int err = -1; + struct rb_node *nd; + struct symbol *sym; + struct map *kallsyms_map, *vmlinux_map; + struct machine kallsyms, vmlinux; + enum map_type type = MAP__FUNCTION; + struct ref_reloc_sym ref_reloc_sym = { .name = "_stext", }; + + /* + * Step 1: + * + * Init the machines that will hold kernel, modules obtained from + * both vmlinux + .ko files and from /proc/kallsyms split by modules. + */ + machine__init(&kallsyms, "", HOST_KERNEL_ID); + machine__init(&vmlinux, "", HOST_KERNEL_ID); + + /* + * Step 2: + * + * Create the kernel maps for kallsyms and the DSO where we will then + * load /proc/kallsyms. Also create the modules maps from /proc/modules + * and find the .ko files that match them in /lib/modules/`uname -r`/. + */ + if (machine__create_kernel_maps(&kallsyms) < 0) { + pr_debug("machine__create_kernel_maps "); + return -1; + } + + /* + * Step 3: + * + * Load and split /proc/kallsyms into multiple maps, one per module. + */ + if (machine__load_kallsyms(&kallsyms, "/proc/kallsyms", type, NULL) <= 0) { + pr_debug("dso__load_kallsyms "); + goto out; + } + + /* + * Step 4: + * + * kallsyms will be internally on demand sorted by name so that we can + * find the reference relocation * symbol, i.e. the symbol we will use + * to see if the running kernel was relocated by checking if it has the + * same value in the vmlinux file we load. + */ + kallsyms_map = machine__kernel_map(&kallsyms, type); + + sym = map__find_symbol_by_name(kallsyms_map, ref_reloc_sym.name, NULL); + if (sym == NULL) { + pr_debug("dso__find_symbol_by_name "); + goto out; + } + + ref_reloc_sym.addr = sym->start; + + /* + * Step 5: + * + * Now repeat step 2, this time for the vmlinux file we'll auto-locate. + */ + if (machine__create_kernel_maps(&vmlinux) < 0) { + pr_debug("machine__create_kernel_maps "); + goto out; + } + + vmlinux_map = machine__kernel_map(&vmlinux, type); + map__kmap(vmlinux_map)->ref_reloc_sym = &ref_reloc_sym; + + /* + * Step 6: + * + * Locate a vmlinux file in the vmlinux path that has a buildid that + * matches the one of the running kernel. + * + * While doing that look if we find the ref reloc symbol, if we find it + * we'll have its ref_reloc_symbol.unrelocated_addr and then + * maps__reloc_vmlinux will notice and set proper ->[un]map_ip routines + * to fixup the symbols. + */ + if (machine__load_vmlinux_path(&vmlinux, type, + vmlinux_matches_kallsyms_filter) <= 0) { + pr_debug("machine__load_vmlinux_path "); + goto out; + } + + err = 0; + /* + * Step 7: + * + * Now look at the symbols in the vmlinux DSO and check if we find all of them + * in the kallsyms dso. For the ones that are in both, check its names and + * end addresses too. + */ + for (nd = rb_first(&vmlinux_map->dso->symbols[type]); nd; nd = rb_next(nd)) { + struct symbol *pair, *first_pair; + bool backwards = true; + + sym = rb_entry(nd, struct symbol, rb_node); + + if (sym->start == sym->end) + continue; + + first_pair = machine__find_kernel_symbol(&kallsyms, type, sym->start, NULL, NULL); + pair = first_pair; + + if (pair && pair->start == sym->start) { +next_pair: + if (strcmp(sym->name, pair->name) == 0) { + /* + * kallsyms don't have the symbol end, so we + * set that by using the next symbol start - 1, + * in some cases we get this up to a page + * wrong, trace_kmalloc when I was developing + * this code was one such example, 2106 bytes + * off the real size. More than that and we + * _really_ have a problem. + */ + s64 skew = sym->end - pair->end; + if (llabs(skew) < page_size) + continue; + + pr_debug("%#" PRIx64 ": diff end addr for %s v: %#" PRIx64 " k: %#" PRIx64 "\n", + sym->start, sym->name, sym->end, pair->end); + } else { + struct rb_node *nnd; +detour: + nnd = backwards ? rb_prev(&pair->rb_node) : + rb_next(&pair->rb_node); + if (nnd) { + struct symbol *next = rb_entry(nnd, struct symbol, rb_node); + + if (next->start == sym->start) { + pair = next; + goto next_pair; + } + } + + if (backwards) { + backwards = false; + pair = first_pair; + goto detour; + } + + pr_debug("%#" PRIx64 ": diff name v: %s k: %s\n", + sym->start, sym->name, pair->name); + } + } else + pr_debug("%#" PRIx64 ": %s not on kallsyms\n", sym->start, sym->name); + + err = -1; + } + + if (!verbose) + goto out; + + pr_info("Maps only in vmlinux:\n"); + + for (nd = rb_first(&vmlinux.kmaps.maps[type]); nd; nd = rb_next(nd)) { + struct map *pos = rb_entry(nd, struct map, rb_node), *pair; + /* + * If it is the kernel, kallsyms is always "[kernel.kallsyms]", while + * the kernel will have the path for the vmlinux file being used, + * so use the short name, less descriptive but the same ("[kernel]" in + * both cases. + */ + pair = map_groups__find_by_name(&kallsyms.kmaps, type, + (pos->dso->kernel ? + pos->dso->short_name : + pos->dso->name)); + if (pair) + pair->priv = 1; + else + map__fprintf(pos, stderr); + } + + pr_info("Maps in vmlinux with a different name in kallsyms:\n"); + + for (nd = rb_first(&vmlinux.kmaps.maps[type]); nd; nd = rb_next(nd)) { + struct map *pos = rb_entry(nd, struct map, rb_node), *pair; + + pair = map_groups__find(&kallsyms.kmaps, type, pos->start); + if (pair == NULL || pair->priv) + continue; + + if (pair->start == pos->start) { + pair->priv = 1; + pr_info(" %" PRIx64 "-%" PRIx64 " %" PRIx64 " %s in kallsyms as", + pos->start, pos->end, pos->pgoff, pos->dso->name); + if (pos->pgoff != pair->pgoff || pos->end != pair->end) + pr_info(": \n*%" PRIx64 "-%" PRIx64 " %" PRIx64 "", + pair->start, pair->end, pair->pgoff); + pr_info(" %s\n", pair->dso->name); + pair->priv = 1; + } + } + + pr_info("Maps only in kallsyms:\n"); + + for (nd = rb_first(&kallsyms.kmaps.maps[type]); + nd; nd = rb_next(nd)) { + struct map *pos = rb_entry(nd, struct map, rb_node); + + if (!pos->priv) + map__fprintf(pos, stderr); + } +out: + return err; +} diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c index 8f8cd2d73b3b..5dab3ca96980 100644 --- a/tools/perf/ui/browsers/annotate.c +++ b/tools/perf/ui/browsers/annotate.c @@ -188,6 +188,12 @@ static void annotate_browser__draw_current_jump(struct ui_browser *browser) struct disasm_line *cursor = ab->selection, *target; struct browser_disasm_line *btarget, *bcursor; unsigned int from, to; + struct map_symbol *ms = ab->b.priv; + struct symbol *sym = ms->sym; + + /* PLT symbols contain external offsets */ + if (strstr(sym->name, "@plt")) + return; if (!cursor || !cursor->ins || !ins__is_jump(cursor->ins) || !disasm_line__has_offset(cursor)) @@ -386,9 +392,8 @@ static void annotate_browser__init_asm_mode(struct annotate_browser *browser) browser->b.nr_entries = browser->nr_asm_entries; } -static bool annotate_browser__callq(struct annotate_browser *browser, - int evidx, void (*timer)(void *arg), - void *arg, int delay_secs) +static bool annotate_browser__callq(struct annotate_browser *browser, int evidx, + struct hist_browser_timer *hbt) { struct map_symbol *ms = browser->b.priv; struct disasm_line *dl = browser->selection; @@ -418,7 +423,7 @@ static bool annotate_browser__callq(struct annotate_browser *browser, } pthread_mutex_unlock(¬es->lock); - symbol__tui_annotate(target, ms->map, evidx, timer, arg, delay_secs); + symbol__tui_annotate(target, ms->map, evidx, hbt); ui_browser__show_title(&browser->b, sym->name); return true; } @@ -602,13 +607,13 @@ static void annotate_browser__update_addr_width(struct annotate_browser *browser } static int annotate_browser__run(struct annotate_browser *browser, int evidx, - void(*timer)(void *arg), - void *arg, int delay_secs) + struct hist_browser_timer *hbt) { struct rb_node *nd = NULL; struct map_symbol *ms = browser->b.priv; struct symbol *sym = ms->sym; const char *help = "Press 'h' for help on key bindings"; + int delay_secs = hbt ? hbt->refresh : 0; int key; if (ui_browser__show(&browser->b, sym->name, help) < 0) @@ -639,8 +644,8 @@ static int annotate_browser__run(struct annotate_browser *browser, int evidx, switch (key) { case K_TIMER: - if (timer != NULL) - timer(arg); + if (hbt) + hbt->timer(hbt->arg); if (delay_secs != 0) symbol__annotate_decay_histogram(sym, evidx); @@ -676,8 +681,14 @@ static int annotate_browser__run(struct annotate_browser *browser, int evidx, "o Toggle disassembler output/simplified view\n" "s Toggle source code view\n" "/ Search string\n" + "r Run available scripts\n" "? Search previous string\n"); continue; + case 'r': + { + script_browse(NULL); + continue; + } case 'H': nd = browser->curr_hot; break; @@ -734,7 +745,7 @@ show_help: goto show_sup_ins; goto out; } else if (!(annotate_browser__jump(browser) || - annotate_browser__callq(browser, evidx, timer, arg, delay_secs))) { + annotate_browser__callq(browser, evidx, hbt))) { show_sup_ins: ui_helpline__puts("Actions are only available for 'callq', 'retq' & jump instructions."); } @@ -757,16 +768,21 @@ out: } int hist_entry__tui_annotate(struct hist_entry *he, int evidx, - void(*timer)(void *arg), void *arg, int delay_secs) + struct hist_browser_timer *hbt) { - return symbol__tui_annotate(he->ms.sym, he->ms.map, evidx, - timer, arg, delay_secs); + return symbol__tui_annotate(he->ms.sym, he->ms.map, evidx, hbt); } static void annotate_browser__mark_jump_targets(struct annotate_browser *browser, size_t size) { u64 offset; + struct map_symbol *ms = browser->b.priv; + struct symbol *sym = ms->sym; + + /* PLT symbols contain external offsets */ + if (strstr(sym->name, "@plt")) + return; for (offset = 0; offset < size; ++offset) { struct disasm_line *dl = browser->offsets[offset], *dlt; @@ -810,8 +826,7 @@ static inline int width_jumps(int n) } int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx, - void(*timer)(void *arg), void *arg, - int delay_secs) + struct hist_browser_timer *hbt) { struct disasm_line *pos, *n; struct annotation *notes; @@ -893,7 +908,7 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx, annotate_browser__update_addr_width(&browser); - ret = annotate_browser__run(&browser, evidx, timer, arg, delay_secs); + ret = annotate_browser__run(&browser, evidx, hbt); list_for_each_entry_safe(pos, n, ¬es->src->source, node) { list_del(&pos->node); disasm_line__free(pos); diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c index ef2f93ca7496..ccc4bd161420 100644 --- a/tools/perf/ui/browsers/hists.c +++ b/tools/perf/ui/browsers/hists.c @@ -11,6 +11,7 @@ #include "../../util/pstack.h" #include "../../util/sort.h" #include "../../util/util.h" +#include "../../arch/common.h" #include "../browser.h" #include "../helpline.h" @@ -310,10 +311,11 @@ static void ui_browser__warn_lost_events(struct ui_browser *browser) } static int hist_browser__run(struct hist_browser *browser, const char *ev_name, - void(*timer)(void *arg), void *arg, int delay_secs) + struct hist_browser_timer *hbt) { int key; char title[160]; + int delay_secs = hbt ? hbt->refresh : 0; browser->b.entries = &browser->hists->entries; browser->b.nr_entries = browser->hists->nr_entries; @@ -330,7 +332,7 @@ static int hist_browser__run(struct hist_browser *browser, const char *ev_name, switch (key) { case K_TIMER: - timer(arg); + hbt->timer(hbt->arg); ui_browser__update_nr_entries(&browser->b, browser->hists->nr_entries); if (browser->hists->stats.nr_lost_warned != @@ -1127,11 +1129,17 @@ static inline void free_popup_options(char **options, int n) } } +/* Check whether the browser is for 'top' or 'report' */ +static inline bool is_report_browser(void *timer) +{ + return timer == NULL; +} + static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, const char *helpline, const char *ev_name, bool left_exits, - void(*timer)(void *arg), void *arg, - int delay_secs) + struct hist_browser_timer *hbt, + struct perf_session_env *env) { struct hists *hists = &evsel->hists; struct hist_browser *browser = hist_browser__new(hists); @@ -1141,6 +1149,8 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, int nr_options = 0; int key = -1; char buf[64]; + char script_opt[64]; + int delay_secs = hbt ? hbt->refresh : 0; if (browser == NULL) return -1; @@ -1159,10 +1169,11 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, int choice = 0, annotate = -2, zoom_dso = -2, zoom_thread = -2, annotate_f = -2, annotate_t = -2, browse_map = -2; + int scripts_comm = -2, scripts_symbol = -2, scripts_all = -2; nr_options = 0; - key = hist_browser__run(browser, ev_name, timer, arg, delay_secs); + key = hist_browser__run(browser, ev_name, hbt); if (browser->he_selection != NULL) { thread = hist_browser__selected_thread(browser); @@ -1211,6 +1222,10 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, hist_browser__reset(browser); } continue; + case 'r': + if (is_report_browser(hbt)) + goto do_scripts; + continue; case K_F1: case 'h': case '?': @@ -1229,6 +1244,7 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, "E Expand all callchains\n" "d Zoom into current DSO\n" "t Zoom into current Thread\n" + "r Run available scripts('perf report' only)\n" "P Print histograms to perf.hist.N\n" "V Verbose (DSO names in callchains, etc)\n" "/ Filter symbol by name"); @@ -1317,6 +1333,25 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, browser->selection->map != NULL && asprintf(&options[nr_options], "Browse map details") > 0) browse_map = nr_options++; + + /* perf script support */ + if (browser->he_selection) { + struct symbol *sym; + + if (asprintf(&options[nr_options], "Run scripts for samples of thread [%s]", + browser->he_selection->thread->comm) > 0) + scripts_comm = nr_options++; + + sym = browser->he_selection->ms.sym; + if (sym && sym->namelen && + asprintf(&options[nr_options], "Run scripts for samples of symbol [%s]", + sym->name) > 0) + scripts_symbol = nr_options++; + } + + if (asprintf(&options[nr_options], "Run scripts for all samples") > 0) + scripts_all = nr_options++; + add_exit_option: options[nr_options++] = (char *)"Exit"; retry_popup_menu: @@ -1334,6 +1369,9 @@ retry_popup_menu: struct hist_entry *he; int err; do_annotate: + if (!objdump_path && perf_session_env__lookup_objdump(env)) + continue; + he = hist_browser__selected_entry(browser); if (he == NULL) continue; @@ -1356,8 +1394,7 @@ do_annotate: * Don't let this be freed, say, by hists__decay_entry. */ he->used = true; - err = hist_entry__tui_annotate(he, evsel->idx, - timer, arg, delay_secs); + err = hist_entry__tui_annotate(he, evsel->idx, hbt); he->used = false; /* * offer option to annotate the other branch source or target @@ -1411,6 +1448,20 @@ zoom_out_thread: hists__filter_by_thread(hists); hist_browser__reset(browser); } + /* perf scripts support */ + else if (choice == scripts_all || choice == scripts_comm || + choice == scripts_symbol) { +do_scripts: + memset(script_opt, 0, 64); + + if (choice == scripts_comm) + sprintf(script_opt, " -c %s ", browser->he_selection->thread->comm); + + if (choice == scripts_symbol) + sprintf(script_opt, " -S %s ", browser->he_selection->ms.sym->name); + + script_browse(script_opt); + } } out_free_stack: pstack__delete(fstack); @@ -1424,6 +1475,7 @@ struct perf_evsel_menu { struct ui_browser b; struct perf_evsel *selection; bool lost_events, lost_events_warned; + struct perf_session_env *env; }; static void perf_evsel_menu__write(struct ui_browser *browser, @@ -1466,11 +1518,12 @@ static void perf_evsel_menu__write(struct ui_browser *browser, static int perf_evsel_menu__run(struct perf_evsel_menu *menu, int nr_events, const char *help, - void(*timer)(void *arg), void *arg, int delay_secs) + struct hist_browser_timer *hbt) { struct perf_evlist *evlist = menu->b.priv; struct perf_evsel *pos; const char *ev_name, *title = "Available samples"; + int delay_secs = hbt ? hbt->refresh : 0; int key; if (ui_browser__show(&menu->b, title, @@ -1482,7 +1535,7 @@ static int perf_evsel_menu__run(struct perf_evsel_menu *menu, switch (key) { case K_TIMER: - timer(arg); + hbt->timer(hbt->arg); if (!menu->lost_events_warned && menu->lost_events) { ui_browser__warn_lost_events(&menu->b); @@ -1500,12 +1553,12 @@ browse_hists: * Give the calling tool a chance to populate the non * default evsel resorted hists tree. */ - if (timer) - timer(arg); + if (hbt) + hbt->timer(hbt->arg); ev_name = perf_evsel__name(pos); key = perf_evsel__hists_browse(pos, nr_events, help, - ev_name, true, timer, - arg, delay_secs); + ev_name, true, hbt, + menu->env); ui_browser__show_title(&menu->b, title); switch (key) { case K_TAB: @@ -1553,8 +1606,8 @@ out: static int __perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help, - void(*timer)(void *arg), void *arg, - int delay_secs) + struct hist_browser_timer *hbt, + struct perf_session_env *env) { struct perf_evsel *pos; struct perf_evsel_menu menu = { @@ -1566,6 +1619,7 @@ static int __perf_evlist__tui_browse_hists(struct perf_evlist *evlist, .nr_entries = evlist->nr_entries, .priv = evlist, }, + .env = env, }; ui_helpline__push("Press ESC to exit"); @@ -1578,23 +1632,20 @@ static int __perf_evlist__tui_browse_hists(struct perf_evlist *evlist, menu.b.width = line_len; } - return perf_evsel_menu__run(&menu, evlist->nr_entries, help, timer, - arg, delay_secs); + return perf_evsel_menu__run(&menu, evlist->nr_entries, help, hbt); } int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help, - void(*timer)(void *arg), void *arg, - int delay_secs) + struct hist_browser_timer *hbt, + struct perf_session_env *env) { if (evlist->nr_entries == 1) { struct perf_evsel *first = list_entry(evlist->entries.next, struct perf_evsel, node); const char *ev_name = perf_evsel__name(first); return perf_evsel__hists_browse(first, evlist->nr_entries, help, - ev_name, false, timer, arg, - delay_secs); + ev_name, false, hbt, env); } - return __perf_evlist__tui_browse_hists(evlist, help, - timer, arg, delay_secs); + return __perf_evlist__tui_browse_hists(evlist, help, hbt, env); } diff --git a/tools/perf/ui/browsers/scripts.c b/tools/perf/ui/browsers/scripts.c new file mode 100644 index 000000000000..cbbd44b0d93e --- /dev/null +++ b/tools/perf/ui/browsers/scripts.c @@ -0,0 +1,189 @@ +#include <elf.h> +#include <newt.h> +#include <inttypes.h> +#include <sys/ttydefaults.h> +#include <string.h> +#include "../../util/sort.h" +#include "../../util/util.h" +#include "../../util/hist.h" +#include "../../util/debug.h" +#include "../../util/symbol.h" +#include "../browser.h" +#include "../helpline.h" +#include "../libslang.h" + +/* 2048 lines should be enough for a script output */ +#define MAX_LINES 2048 + +/* 160 bytes for one output line */ +#define AVERAGE_LINE_LEN 160 + +struct script_line { + struct list_head node; + char line[AVERAGE_LINE_LEN]; +}; + +struct perf_script_browser { + struct ui_browser b; + struct list_head entries; + const char *script_name; + int nr_lines; +}; + +#define SCRIPT_NAMELEN 128 +#define SCRIPT_MAX_NO 64 +/* + * Usually the full path for a script is: + * /home/username/libexec/perf-core/scripts/python/xxx.py + * /home/username/libexec/perf-core/scripts/perl/xxx.pl + * So 256 should be long enough to contain the full path. + */ +#define SCRIPT_FULLPATH_LEN 256 + +/* + * When success, will copy the full path of the selected script + * into the buffer pointed by script_name, and return 0. + * Return -1 on failure. + */ +static int list_scripts(char *script_name) +{ + char *buf, *names[SCRIPT_MAX_NO], *paths[SCRIPT_MAX_NO]; + int i, num, choice, ret = -1; + + /* Preset the script name to SCRIPT_NAMELEN */ + buf = malloc(SCRIPT_MAX_NO * (SCRIPT_NAMELEN + SCRIPT_FULLPATH_LEN)); + if (!buf) + return ret; + + for (i = 0; i < SCRIPT_MAX_NO; i++) { + names[i] = buf + i * (SCRIPT_NAMELEN + SCRIPT_FULLPATH_LEN); + paths[i] = names[i] + SCRIPT_NAMELEN; + } + + num = find_scripts(names, paths); + if (num > 0) { + choice = ui__popup_menu(num, names); + if (choice < num && choice >= 0) { + strcpy(script_name, paths[choice]); + ret = 0; + } + } + + free(buf); + return ret; +} + +static void script_browser__write(struct ui_browser *browser, + void *entry, int row) +{ + struct script_line *sline = list_entry(entry, struct script_line, node); + bool current_entry = ui_browser__is_current_entry(browser, row); + + ui_browser__set_color(browser, current_entry ? HE_COLORSET_SELECTED : + HE_COLORSET_NORMAL); + + slsmg_write_nstring(sline->line, browser->width); +} + +static int script_browser__run(struct perf_script_browser *self) +{ + int key; + + if (ui_browser__show(&self->b, self->script_name, + "Press <- or ESC to exit") < 0) + return -1; + + while (1) { + key = ui_browser__run(&self->b, 0); + + /* We can add some special key handling here if needed */ + break; + } + + ui_browser__hide(&self->b); + return key; +} + + +int script_browse(const char *script_opt) +{ + char cmd[SCRIPT_FULLPATH_LEN*2], script_name[SCRIPT_FULLPATH_LEN]; + char *line = NULL; + size_t len = 0; + ssize_t retlen; + int ret = -1, nr_entries = 0; + FILE *fp; + void *buf; + struct script_line *sline; + + struct perf_script_browser script = { + .b = { + .refresh = ui_browser__list_head_refresh, + .seek = ui_browser__list_head_seek, + .write = script_browser__write, + }, + .script_name = script_name, + }; + + INIT_LIST_HEAD(&script.entries); + + /* Save each line of the output in one struct script_line object. */ + buf = zalloc((sizeof(*sline)) * MAX_LINES); + if (!buf) + return -1; + sline = buf; + + memset(script_name, 0, SCRIPT_FULLPATH_LEN); + if (list_scripts(script_name)) + goto exit; + + sprintf(cmd, "perf script -s %s ", script_name); + + if (script_opt) + strcat(cmd, script_opt); + + if (input_name) { + strcat(cmd, " -i "); + strcat(cmd, input_name); + } + + strcat(cmd, " 2>&1"); + + fp = popen(cmd, "r"); + if (!fp) + goto exit; + + while ((retlen = getline(&line, &len, fp)) != -1) { + strncpy(sline->line, line, AVERAGE_LINE_LEN); + + /* If one output line is very large, just cut it short */ + if (retlen >= AVERAGE_LINE_LEN) { + sline->line[AVERAGE_LINE_LEN - 1] = '\0'; + sline->line[AVERAGE_LINE_LEN - 2] = '\n'; + } + list_add_tail(&sline->node, &script.entries); + + if (script.b.width < retlen) + script.b.width = retlen; + + if (nr_entries++ >= MAX_LINES - 1) + break; + sline++; + } + + if (script.b.width > AVERAGE_LINE_LEN) + script.b.width = AVERAGE_LINE_LEN; + + if (line) + free(line); + pclose(fp); + + script.nr_lines = nr_entries; + script.b.nr_entries = nr_entries; + script.b.entries = &script.entries; + + ret = script_browser__run(&script); +exit: + free(buf); + return ret; +} diff --git a/tools/perf/ui/gtk/browser.c b/tools/perf/ui/gtk/browser.c index 4125c6284114..253b6219a39e 100644 --- a/tools/perf/ui/gtk/browser.c +++ b/tools/perf/ui/gtk/browser.c @@ -237,9 +237,7 @@ static GtkWidget *perf_gtk__setup_statusbar(void) int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist, const char *help, - void (*timer) (void *arg)__maybe_unused, - void *arg __maybe_unused, - int delay_secs __maybe_unused) + struct hist_browser_timer *hbt __maybe_unused) { struct perf_evsel *pos; GtkWidget *vbox; diff --git a/tools/perf/ui/gtk/gtk.h b/tools/perf/ui/gtk/gtk.h index 687af0bba187..856320e2cc05 100644 --- a/tools/perf/ui/gtk/gtk.h +++ b/tools/perf/ui/gtk/gtk.h @@ -30,6 +30,7 @@ struct perf_gtk_context *perf_gtk__activate_context(GtkWidget *window); int perf_gtk__deactivate_context(struct perf_gtk_context **ctx); void perf_gtk__init_helpline(void); +void perf_gtk__init_progress(void); void perf_gtk__init_hpp(void); #ifndef HAVE_GTK_INFO_BAR diff --git a/tools/perf/ui/gtk/progress.c b/tools/perf/ui/gtk/progress.c new file mode 100644 index 000000000000..482bcf3df9b7 --- /dev/null +++ b/tools/perf/ui/gtk/progress.c @@ -0,0 +1,59 @@ +#include <inttypes.h> + +#include "gtk.h" +#include "../progress.h" +#include "util.h" + +static GtkWidget *dialog; +static GtkWidget *progress; + +static void gtk_progress_update(u64 curr, u64 total, const char *title) +{ + double fraction = total ? 1.0 * curr / total : 0.0; + char buf[1024]; + + if (dialog == NULL) { + GtkWidget *vbox = gtk_vbox_new(TRUE, 5); + GtkWidget *label = gtk_label_new(title); + + dialog = gtk_window_new(GTK_WINDOW_TOPLEVEL); + progress = gtk_progress_bar_new(); + + gtk_box_pack_start(GTK_BOX(vbox), label, TRUE, FALSE, 3); + gtk_box_pack_start(GTK_BOX(vbox), progress, TRUE, TRUE, 3); + + gtk_container_add(GTK_CONTAINER(dialog), vbox); + + gtk_window_set_title(GTK_WINDOW(dialog), "perf"); + gtk_window_resize(GTK_WINDOW(dialog), 300, 80); + gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER); + + gtk_widget_show_all(dialog); + } + + gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(progress), fraction); + snprintf(buf, sizeof(buf), "%"PRIu64" / %"PRIu64, curr, total); + gtk_progress_bar_set_text(GTK_PROGRESS_BAR(progress), buf); + + /* we didn't call gtk_main yet, so do it manually */ + while (gtk_events_pending()) + gtk_main_iteration(); +} + +static void gtk_progress_finish(void) +{ + /* this will also destroy all of its children */ + gtk_widget_destroy(dialog); + + dialog = NULL; +} + +static struct ui_progress gtk_progress_fns = { + .update = gtk_progress_update, + .finish = gtk_progress_finish, +}; + +void perf_gtk__init_progress(void) +{ + progress_fns = >k_progress_fns; +} diff --git a/tools/perf/ui/gtk/setup.c b/tools/perf/ui/gtk/setup.c index 3c4c6ef78283..6c2dd2e423f3 100644 --- a/tools/perf/ui/gtk/setup.c +++ b/tools/perf/ui/gtk/setup.c @@ -8,7 +8,9 @@ int perf_gtk__init(void) { perf_error__register(&perf_gtk_eops); perf_gtk__init_helpline(); + perf_gtk__init_progress(); perf_gtk__init_hpp(); + return gtk_init_check(NULL, NULL) ? 0 : -1; } diff --git a/tools/perf/ui/gtk/util.c b/tools/perf/ui/gtk/util.c index ccb046aac98b..c06942a41c78 100644 --- a/tools/perf/ui/gtk/util.c +++ b/tools/perf/ui/gtk/util.c @@ -111,14 +111,3 @@ struct perf_error_ops perf_gtk_eops = { .warning = perf_gtk__warning_statusbar, #endif }; - -/* - * FIXME: Functions below should be implemented properly. - * For now, just add stubs for NO_NEWT=1 build. - */ -#ifndef NEWT_SUPPORT -void ui_progress__update(u64 curr __maybe_unused, u64 total __maybe_unused, - const char *title __maybe_unused) -{ -} -#endif diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c index f5a1e4f65263..aa84130024d5 100644 --- a/tools/perf/ui/hist.c +++ b/tools/perf/ui/hist.c @@ -161,7 +161,7 @@ static int hpp__width_baseline(struct perf_hpp *hpp __maybe_unused) static double baseline_percent(struct hist_entry *he) { - struct hist_entry *pair = he->pair; + struct hist_entry *pair = hist_entry__next_pair(he); struct hists *pair_hists = pair ? pair->hists : NULL; double percent = 0.0; @@ -179,7 +179,10 @@ static int hpp__color_baseline(struct perf_hpp *hpp, struct hist_entry *he) { double percent = baseline_percent(he); - return percent_color_snprintf(hpp->buf, hpp->size, " %6.2f%%", percent); + if (hist_entry__has_pairs(he)) + return percent_color_snprintf(hpp->buf, hpp->size, " %6.2f%%", percent); + else + return scnprintf(hpp->buf, hpp->size, " "); } static int hpp__entry_baseline(struct perf_hpp *hpp, struct hist_entry *he) @@ -187,7 +190,10 @@ static int hpp__entry_baseline(struct perf_hpp *hpp, struct hist_entry *he) double percent = baseline_percent(he); const char *fmt = symbol_conf.field_sep ? "%.2f" : " %6.2f%%"; - return scnprintf(hpp->buf, hpp->size, fmt, percent); + if (hist_entry__has_pairs(he) || symbol_conf.field_sep) + return scnprintf(hpp->buf, hpp->size, fmt, percent); + else + return scnprintf(hpp->buf, hpp->size, " "); } static int hpp__header_samples(struct perf_hpp *hpp) @@ -228,6 +234,26 @@ static int hpp__entry_period(struct perf_hpp *hpp, struct hist_entry *he) return scnprintf(hpp->buf, hpp->size, fmt, he->stat.period); } +static int hpp__header_period_baseline(struct perf_hpp *hpp) +{ + const char *fmt = symbol_conf.field_sep ? "%s" : "%12s"; + + return scnprintf(hpp->buf, hpp->size, fmt, "Period Base"); +} + +static int hpp__width_period_baseline(struct perf_hpp *hpp __maybe_unused) +{ + return 12; +} + +static int hpp__entry_period_baseline(struct perf_hpp *hpp, struct hist_entry *he) +{ + struct hist_entry *pair = hist_entry__next_pair(he); + u64 period = pair ? pair->stat.period : 0; + const char *fmt = symbol_conf.field_sep ? "%" PRIu64 : "%12" PRIu64; + + return scnprintf(hpp->buf, hpp->size, fmt, period); +} static int hpp__header_delta(struct perf_hpp *hpp) { const char *fmt = symbol_conf.field_sep ? "%s" : "%7s"; @@ -242,30 +268,79 @@ static int hpp__width_delta(struct perf_hpp *hpp __maybe_unused) static int hpp__entry_delta(struct perf_hpp *hpp, struct hist_entry *he) { - struct hist_entry *pair = he->pair; - struct hists *pair_hists = pair ? pair->hists : NULL; - struct hists *hists = he->hists; - u64 old_total, new_total; - double old_percent = 0, new_percent = 0; - double diff; const char *fmt = symbol_conf.field_sep ? "%s" : "%7.7s"; char buf[32] = " "; + double diff; - old_total = pair_hists ? pair_hists->stats.total_period : 0; - if (old_total > 0 && pair) - old_percent = 100.0 * pair->stat.period / old_total; - - new_total = hists->stats.total_period; - if (new_total > 0) - new_percent = 100.0 * he->stat.period / new_total; + if (he->diff.computed) + diff = he->diff.period_ratio_delta; + else + diff = perf_diff__compute_delta(he); - diff = new_percent - old_percent; if (fabs(diff) >= 0.01) scnprintf(buf, sizeof(buf), "%+4.2F%%", diff); return scnprintf(hpp->buf, hpp->size, fmt, buf); } +static int hpp__header_ratio(struct perf_hpp *hpp) +{ + const char *fmt = symbol_conf.field_sep ? "%s" : "%14s"; + + return scnprintf(hpp->buf, hpp->size, fmt, "Ratio"); +} + +static int hpp__width_ratio(struct perf_hpp *hpp __maybe_unused) +{ + return 14; +} + +static int hpp__entry_ratio(struct perf_hpp *hpp, struct hist_entry *he) +{ + const char *fmt = symbol_conf.field_sep ? "%s" : "%14s"; + char buf[32] = " "; + double ratio; + + if (he->diff.computed) + ratio = he->diff.period_ratio; + else + ratio = perf_diff__compute_ratio(he); + + if (ratio > 0.0) + scnprintf(buf, sizeof(buf), "%+14.6F", ratio); + + return scnprintf(hpp->buf, hpp->size, fmt, buf); +} + +static int hpp__header_wdiff(struct perf_hpp *hpp) +{ + const char *fmt = symbol_conf.field_sep ? "%s" : "%14s"; + + return scnprintf(hpp->buf, hpp->size, fmt, "Weighted diff"); +} + +static int hpp__width_wdiff(struct perf_hpp *hpp __maybe_unused) +{ + return 14; +} + +static int hpp__entry_wdiff(struct perf_hpp *hpp, struct hist_entry *he) +{ + const char *fmt = symbol_conf.field_sep ? "%s" : "%14s"; + char buf[32] = " "; + s64 wdiff; + + if (he->diff.computed) + wdiff = he->diff.wdiff; + else + wdiff = perf_diff__compute_wdiff(he); + + if (wdiff != 0) + scnprintf(buf, sizeof(buf), "%14ld", wdiff); + + return scnprintf(hpp->buf, hpp->size, fmt, buf); +} + static int hpp__header_displ(struct perf_hpp *hpp) { return scnprintf(hpp->buf, hpp->size, "Displ."); @@ -279,7 +354,7 @@ static int hpp__width_displ(struct perf_hpp *hpp __maybe_unused) static int hpp__entry_displ(struct perf_hpp *hpp, struct hist_entry *he) { - struct hist_entry *pair = he->pair; + struct hist_entry *pair = hist_entry__next_pair(he); long displacement = pair ? pair->position - he->position : 0; const char *fmt = symbol_conf.field_sep ? "%s" : "%6.6s"; char buf[32] = " "; @@ -290,6 +365,27 @@ static int hpp__entry_displ(struct perf_hpp *hpp, return scnprintf(hpp->buf, hpp->size, fmt, buf); } +static int hpp__header_formula(struct perf_hpp *hpp) +{ + const char *fmt = symbol_conf.field_sep ? "%s" : "%70s"; + + return scnprintf(hpp->buf, hpp->size, fmt, "Formula"); +} + +static int hpp__width_formula(struct perf_hpp *hpp __maybe_unused) +{ + return 70; +} + +static int hpp__entry_formula(struct perf_hpp *hpp, struct hist_entry *he) +{ + const char *fmt = symbol_conf.field_sep ? "%s" : "%-70s"; + char buf[96] = " "; + + perf_diff__formula(buf, sizeof(buf), he); + return scnprintf(hpp->buf, hpp->size, fmt, buf); +} + #define HPP__COLOR_PRINT_FNS(_name) \ .header = hpp__header_ ## _name, \ .width = hpp__width_ ## _name, \ @@ -310,8 +406,12 @@ struct perf_hpp_fmt perf_hpp__format[] = { { .cond = false, HPP__COLOR_PRINT_FNS(overhead_guest_us) }, { .cond = false, HPP__PRINT_FNS(samples) }, { .cond = false, HPP__PRINT_FNS(period) }, + { .cond = false, HPP__PRINT_FNS(period_baseline) }, { .cond = false, HPP__PRINT_FNS(delta) }, - { .cond = false, HPP__PRINT_FNS(displ) } + { .cond = false, HPP__PRINT_FNS(ratio) }, + { .cond = false, HPP__PRINT_FNS(wdiff) }, + { .cond = false, HPP__PRINT_FNS(displ) }, + { .cond = false, HPP__PRINT_FNS(formula) } }; #undef HPP__COLOR_PRINT_FNS diff --git a/tools/perf/ui/progress.c b/tools/perf/ui/progress.c index 13aa64e50e11..3ec695607a4d 100644 --- a/tools/perf/ui/progress.c +++ b/tools/perf/ui/progress.c @@ -1,32 +1,26 @@ #include "../cache.h" #include "progress.h" -#include "libslang.h" -#include "ui.h" -#include "browser.h" -void ui_progress__update(u64 curr, u64 total, const char *title) +static void nop_progress_update(u64 curr __maybe_unused, + u64 total __maybe_unused, + const char *title __maybe_unused) { - int bar, y; - /* - * FIXME: We should have a per UI backend way of showing progress, - * stdio will just show a percentage as NN%, etc. - */ - if (use_browser <= 0) - return; +} - if (total == 0) - return; +static struct ui_progress default_progress_fns = +{ + .update = nop_progress_update, +}; - ui__refresh_dimensions(true); - pthread_mutex_lock(&ui__lock); - y = SLtt_Screen_Rows / 2 - 2; - SLsmg_set_color(0); - SLsmg_draw_box(y, 0, 3, SLtt_Screen_Cols); - SLsmg_gotorc(y++, 1); - SLsmg_write_string((char *)title); - SLsmg_set_color(HE_COLORSET_SELECTED); - bar = ((SLtt_Screen_Cols - 2) * curr) / total; - SLsmg_fill_region(y, 1, 1, bar, ' '); - SLsmg_refresh(); - pthread_mutex_unlock(&ui__lock); +struct ui_progress *progress_fns = &default_progress_fns; + +void ui_progress__update(u64 curr, u64 total, const char *title) +{ + return progress_fns->update(curr, total, title); +} + +void ui_progress__finish(void) +{ + if (progress_fns->finish) + progress_fns->finish(); } diff --git a/tools/perf/ui/progress.h b/tools/perf/ui/progress.h index d9c205b59aa1..257cc224f9cf 100644 --- a/tools/perf/ui/progress.h +++ b/tools/perf/ui/progress.h @@ -3,6 +3,16 @@ #include <../types.h> +struct ui_progress { + void (*update)(u64, u64, const char *); + void (*finish)(void); +}; + +extern struct ui_progress *progress_fns; + +void ui_progress__init(void); + void ui_progress__update(u64 curr, u64 total, const char *title); +void ui_progress__finish(void); #endif diff --git a/tools/perf/ui/stdio/hist.c b/tools/perf/ui/stdio/hist.c index fbd4e32d0743..f0ee204f99bb 100644 --- a/tools/perf/ui/stdio/hist.c +++ b/tools/perf/ui/stdio/hist.c @@ -342,7 +342,7 @@ size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows, const char *sep = symbol_conf.field_sep; const char *col_width = symbol_conf.col_width_list_str; int idx, nr_rows = 0; - char bf[64]; + char bf[96]; struct perf_hpp dummy_hpp = { .buf = bf, .size = sizeof(bf), diff --git a/tools/perf/ui/tui/progress.c b/tools/perf/ui/tui/progress.c new file mode 100644 index 000000000000..6c2184d53cbf --- /dev/null +++ b/tools/perf/ui/tui/progress.c @@ -0,0 +1,42 @@ +#include "../cache.h" +#include "../progress.h" +#include "../libslang.h" +#include "../ui.h" +#include "../browser.h" + +static void tui_progress__update(u64 curr, u64 total, const char *title) +{ + int bar, y; + /* + * FIXME: We should have a per UI backend way of showing progress, + * stdio will just show a percentage as NN%, etc. + */ + if (use_browser <= 0) + return; + + if (total == 0) + return; + + ui__refresh_dimensions(true); + pthread_mutex_lock(&ui__lock); + y = SLtt_Screen_Rows / 2 - 2; + SLsmg_set_color(0); + SLsmg_draw_box(y, 0, 3, SLtt_Screen_Cols); + SLsmg_gotorc(y++, 1); + SLsmg_write_string((char *)title); + SLsmg_set_color(HE_COLORSET_SELECTED); + bar = ((SLtt_Screen_Cols - 2) * curr) / total; + SLsmg_fill_region(y, 1, 1, bar, ' '); + SLsmg_refresh(); + pthread_mutex_unlock(&ui__lock); +} + +static struct ui_progress tui_progress_fns = +{ + .update = tui_progress__update, +}; + +void ui_progress__init(void) +{ + progress_fns = &tui_progress_fns; +} diff --git a/tools/perf/ui/tui/setup.c b/tools/perf/ui/tui/setup.c index 60debb81537a..81efa192e86c 100644 --- a/tools/perf/ui/tui/setup.c +++ b/tools/perf/ui/tui/setup.c @@ -118,6 +118,7 @@ int ui__init(void) newtSetSuspendCallback(newt_suspend, NULL); ui_helpline__init(); ui_browser__init(); + ui_progress__init(); signal(SIGSEGV, ui__signal); signal(SIGFPE, ui__signal); diff --git a/tools/perf/ui/ui.h b/tools/perf/ui/ui.h index 7b67045479f6..d86359c99907 100644 --- a/tools/perf/ui/ui.h +++ b/tools/perf/ui/ui.h @@ -3,9 +3,37 @@ #include <pthread.h> #include <stdbool.h> +#include <linux/compiler.h> extern pthread_mutex_t ui__lock; +extern int use_browser; + +void setup_browser(bool fallback_to_pager); +void exit_browser(bool wait_for_ok); + +#ifdef NEWT_SUPPORT +int ui__init(void); +void ui__exit(bool wait_for_ok); +#else +static inline int ui__init(void) +{ + return -1; +} +static inline void ui__exit(bool wait_for_ok __maybe_unused) {} +#endif + +#ifdef GTK2_SUPPORT +int perf_gtk__init(void); +void perf_gtk__exit(bool wait_for_ok); +#else +static inline int perf_gtk__init(void) +{ + return -1; +} +static inline void perf_gtk__exit(bool wait_for_ok __maybe_unused) {} +#endif + void ui__refresh_dimensions(bool force); #endif /* _PERF_UI_H_ */ diff --git a/tools/perf/util/PERF-VERSION-GEN b/tools/perf/util/PERF-VERSION-GEN index 95264f304179..6aa34e5afdcf 100755 --- a/tools/perf/util/PERF-VERSION-GEN +++ b/tools/perf/util/PERF-VERSION-GEN @@ -9,18 +9,14 @@ GVF=${OUTPUT}PERF-VERSION-FILE LF=' ' +# # First check if there is a .git to get the version from git describe -# otherwise try to get the version from the kernel makefile +# otherwise try to get the version from the kernel Makefile +# if test -d ../../.git -o -f ../../.git && - VN=$(git describe --match 'v[0-9].[0-9]*' --abbrev=4 HEAD 2>/dev/null) && - case "$VN" in - *$LF*) (exit 1) ;; - v[0-9]*) - git update-index -q --refresh - test -z "$(git diff-index --name-only HEAD --)" || - VN="$VN-dirty" ;; - esac + VN=$(git tag 2>/dev/null | tail -1 | grep -E "v[0-9].[0-9]*") then + VN=$(echo $VN"-g"$(git log -1 --abbrev=4 --pretty=format:"%h" HEAD)) VN=$(echo "$VN" | sed -e 's/-/./g'); else VN=$(MAKEFLAGS= make -sC ../.. kernelversion) diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index f0a910371377..07aaeea60000 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -15,6 +15,7 @@ #include "debug.h" #include "annotate.h" #include <pthread.h> +#include <linux/bitops.h> const char *disassembler_style; const char *objdump_path; @@ -170,15 +171,15 @@ static int lock__parse(struct ins_operands *ops) if (disasm_line__parse(ops->raw, &name, &ops->locked.ops->raw) < 0) goto out_free_ops; - ops->locked.ins = ins__find(name); - if (ops->locked.ins == NULL) - goto out_free_ops; + ops->locked.ins = ins__find(name); + if (ops->locked.ins == NULL) + goto out_free_ops; - if (!ops->locked.ins->ops) - return 0; + if (!ops->locked.ins->ops) + return 0; - if (ops->locked.ins->ops->parse) - ops->locked.ins->ops->parse(ops->locked.ops); + if (ops->locked.ins->ops->parse) + ops->locked.ins->ops->parse(ops->locked.ops); return 0; @@ -400,6 +401,8 @@ static struct ins instructions[] = { { .name = "testb", .ops = &mov_ops, }, { .name = "testl", .ops = &mov_ops, }, { .name = "xadd", .ops = &mov_ops, }, + { .name = "xbeginl", .ops = &jump_ops, }, + { .name = "xbeginq", .ops = &jump_ops, }, }; static int ins__cmp(const void *name, const void *insp) @@ -855,21 +858,68 @@ static void insert_source_line(struct rb_root *root, struct source_line *src_lin struct source_line *iter; struct rb_node **p = &root->rb_node; struct rb_node *parent = NULL; + int ret; while (*p != NULL) { parent = *p; iter = rb_entry(parent, struct source_line, node); - if (src_line->percent > iter->percent) + ret = strcmp(iter->path, src_line->path); + if (ret == 0) { + iter->percent_sum += src_line->percent; + return; + } + + if (ret < 0) p = &(*p)->rb_left; else p = &(*p)->rb_right; } + src_line->percent_sum = src_line->percent; + rb_link_node(&src_line->node, parent, p); rb_insert_color(&src_line->node, root); } +static void __resort_source_line(struct rb_root *root, struct source_line *src_line) +{ + struct source_line *iter; + struct rb_node **p = &root->rb_node; + struct rb_node *parent = NULL; + + while (*p != NULL) { + parent = *p; + iter = rb_entry(parent, struct source_line, node); + + if (src_line->percent_sum > iter->percent_sum) + p = &(*p)->rb_left; + else + p = &(*p)->rb_right; + } + + rb_link_node(&src_line->node, parent, p); + rb_insert_color(&src_line->node, root); +} + +static void resort_source_line(struct rb_root *dest_root, struct rb_root *src_root) +{ + struct source_line *src_line; + struct rb_node *node; + + node = rb_first(src_root); + while (node) { + struct rb_node *next; + + src_line = rb_entry(node, struct source_line, node); + next = rb_next(node); + rb_erase(node, src_root); + + __resort_source_line(dest_root, src_line); + node = next; + } +} + static void symbol__free_source_line(struct symbol *sym, int len) { struct annotation *notes = symbol__annotation(sym); @@ -894,6 +944,7 @@ static int symbol__get_source_line(struct symbol *sym, struct map *map, struct source_line *src_line; struct annotation *notes = symbol__annotation(sym); struct sym_hist *h = annotation__histogram(notes, evidx); + struct rb_root tmp_root = RB_ROOT; if (!h->sum) return 0; @@ -928,12 +979,13 @@ static int symbol__get_source_line(struct symbol *sym, struct map *map, goto next; strcpy(src_line[i].path, path); - insert_source_line(root, &src_line[i]); + insert_source_line(&tmp_root, &src_line[i]); next: pclose(fp); } + resort_source_line(root, &tmp_root); return 0; } @@ -957,7 +1009,7 @@ static void print_summary(struct rb_root *root, const char *filename) char *path; src_line = rb_entry(node, struct source_line, node); - percent = src_line->percent; + percent = src_line->percent_sum; color = get_percent_color(percent); path = src_line->path; diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h index 39242dcee8f2..8eec94358a4a 100644 --- a/tools/perf/util/annotate.h +++ b/tools/perf/util/annotate.h @@ -5,6 +5,7 @@ #include <stdint.h> #include "types.h" #include "symbol.h" +#include "hist.h" #include <linux/list.h> #include <linux/rbtree.h> #include <pthread.h> @@ -75,6 +76,7 @@ struct sym_hist { struct source_line { struct rb_node node; double percent; + double percent_sum; char *path; }; @@ -140,20 +142,18 @@ int symbol__tty_annotate(struct symbol *sym, struct map *map, int evidx, #ifdef NEWT_SUPPORT int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx, - void(*timer)(void *arg), void *arg, int delay_secs); + struct hist_browser_timer *hbt); #else static inline int symbol__tui_annotate(struct symbol *sym __maybe_unused, struct map *map __maybe_unused, int evidx __maybe_unused, - void(*timer)(void *arg) __maybe_unused, - void *arg __maybe_unused, - int delay_secs __maybe_unused) + struct hist_browser_timer *hbt + __maybe_unused) { return 0; } #endif extern const char *disassembler_style; -extern const char *objdump_path; #endif /* __PERF_ANNOTATE_H */ diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c index 8e3a740ddbd4..5295625c0c00 100644 --- a/tools/perf/util/build-id.c +++ b/tools/perf/util/build-id.c @@ -16,11 +16,11 @@ #include "session.h" #include "tool.h" -static int build_id__mark_dso_hit(struct perf_tool *tool __maybe_unused, - union perf_event *event, - struct perf_sample *sample __maybe_unused, - struct perf_evsel *evsel __maybe_unused, - struct machine *machine) +int build_id__mark_dso_hit(struct perf_tool *tool __maybe_unused, + union perf_event *event, + struct perf_sample *sample __maybe_unused, + struct perf_evsel *evsel __maybe_unused, + struct machine *machine) { struct addr_location al; u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; @@ -64,12 +64,27 @@ static int perf_event__exit_del_thread(struct perf_tool *tool __maybe_unused, struct perf_tool build_id__mark_dso_hit_ops = { .sample = build_id__mark_dso_hit, .mmap = perf_event__process_mmap, - .fork = perf_event__process_task, + .fork = perf_event__process_fork, .exit = perf_event__exit_del_thread, .attr = perf_event__process_attr, .build_id = perf_event__process_build_id, }; +int build_id__sprintf(const u8 *build_id, int len, char *bf) +{ + char *bid = bf; + const u8 *raw = build_id; + int i; + + for (i = 0; i < len; ++i) { + sprintf(bid, "%02x", *raw); + ++raw; + bid += 2; + } + + return raw - build_id; +} + char *dso__build_id_filename(struct dso *self, char *bf, size_t size) { char build_id_hex[BUILD_ID_SIZE * 2 + 1]; diff --git a/tools/perf/util/build-id.h b/tools/perf/util/build-id.h index a993ba87d996..a811f5c62e18 100644 --- a/tools/perf/util/build-id.h +++ b/tools/perf/util/build-id.h @@ -1,10 +1,19 @@ #ifndef PERF_BUILD_ID_H_ #define PERF_BUILD_ID_H_ 1 -#include "session.h" +#define BUILD_ID_SIZE 20 + +#include "tool.h" +#include "types.h" extern struct perf_tool build_id__mark_dso_hit_ops; +struct dso; +int build_id__sprintf(const u8 *build_id, int len, char *bf); char *dso__build_id_filename(struct dso *self, char *bf, size_t size); +int build_id__mark_dso_hit(struct perf_tool *tool, union perf_event *event, + struct perf_sample *sample, struct perf_evsel *evsel, + struct machine *machine); + #endif diff --git a/tools/perf/util/cache.h b/tools/perf/util/cache.h index 2bd51370ad28..26e367239873 100644 --- a/tools/perf/util/cache.h +++ b/tools/perf/util/cache.h @@ -5,6 +5,7 @@ #include "util.h" #include "strbuf.h" #include "../perf.h" +#include "../ui/ui.h" #define CMD_EXEC_PATH "--exec-path" #define CMD_PERF_DIR "--perf-dir=" @@ -31,44 +32,6 @@ extern const char *pager_program; extern int pager_in_use(void); extern int pager_use_color; -extern int use_browser; - -#if defined(NEWT_SUPPORT) || defined(GTK2_SUPPORT) -void setup_browser(bool fallback_to_pager); -void exit_browser(bool wait_for_ok); - -#ifdef NEWT_SUPPORT -int ui__init(void); -void ui__exit(bool wait_for_ok); -#else -static inline int ui__init(void) -{ - return -1; -} -static inline void ui__exit(bool wait_for_ok __maybe_unused) {} -#endif - -#ifdef GTK2_SUPPORT -int perf_gtk__init(void); -void perf_gtk__exit(bool wait_for_ok); -#else -static inline int perf_gtk__init(void) -{ - return -1; -} -static inline void perf_gtk__exit(bool wait_for_ok __maybe_unused) {} -#endif - -#else /* NEWT_SUPPORT || GTK2_SUPPORT */ - -static inline void setup_browser(bool fallback_to_pager) -{ - if (fallback_to_pager) - setup_pager(); -} -static inline void exit_browser(bool wait_for_ok __maybe_unused) {} -#endif /* NEWT_SUPPORT || GTK2_SUPPORT */ - char *alias_lookup(const char *alias); int split_cmdline(char *cmdline, const char ***argv); diff --git a/tools/perf/util/debug.h b/tools/perf/util/debug.h index dec98750b484..83e8d234af6b 100644 --- a/tools/perf/util/debug.h +++ b/tools/perf/util/debug.h @@ -26,6 +26,7 @@ int ui__error(const char *format, ...) __attribute__((format(printf, 1, 2))); static inline void ui_progress__update(u64 curr __maybe_unused, u64 total __maybe_unused, const char *title __maybe_unused) {} +static inline void ui_progress__finish(void) {} #define ui__error(format, arg...) ui__warning(format, ##arg) diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c new file mode 100644 index 000000000000..d6d9a465acdb --- /dev/null +++ b/tools/perf/util/dso.c @@ -0,0 +1,595 @@ +#include "symbol.h" +#include "dso.h" +#include "machine.h" +#include "util.h" +#include "debug.h" + +char dso__symtab_origin(const struct dso *dso) +{ + static const char origin[] = { + [DSO_BINARY_TYPE__KALLSYMS] = 'k', + [DSO_BINARY_TYPE__VMLINUX] = 'v', + [DSO_BINARY_TYPE__JAVA_JIT] = 'j', + [DSO_BINARY_TYPE__DEBUGLINK] = 'l', + [DSO_BINARY_TYPE__BUILD_ID_CACHE] = 'B', + [DSO_BINARY_TYPE__FEDORA_DEBUGINFO] = 'f', + [DSO_BINARY_TYPE__UBUNTU_DEBUGINFO] = 'u', + [DSO_BINARY_TYPE__BUILDID_DEBUGINFO] = 'b', + [DSO_BINARY_TYPE__SYSTEM_PATH_DSO] = 'd', + [DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE] = 'K', + [DSO_BINARY_TYPE__GUEST_KALLSYMS] = 'g', + [DSO_BINARY_TYPE__GUEST_KMODULE] = 'G', + [DSO_BINARY_TYPE__GUEST_VMLINUX] = 'V', + }; + + if (dso == NULL || dso->symtab_type == DSO_BINARY_TYPE__NOT_FOUND) + return '!'; + return origin[dso->symtab_type]; +} + +int dso__binary_type_file(struct dso *dso, enum dso_binary_type type, + char *root_dir, char *file, size_t size) +{ + char build_id_hex[BUILD_ID_SIZE * 2 + 1]; + int ret = 0; + + switch (type) { + case DSO_BINARY_TYPE__DEBUGLINK: { + char *debuglink; + + strncpy(file, dso->long_name, size); + debuglink = file + dso->long_name_len; + while (debuglink != file && *debuglink != '/') + debuglink--; + if (*debuglink == '/') + debuglink++; + filename__read_debuglink(dso->long_name, debuglink, + size - (debuglink - file)); + } + break; + case DSO_BINARY_TYPE__BUILD_ID_CACHE: + /* skip the locally configured cache if a symfs is given */ + if (symbol_conf.symfs[0] || + (dso__build_id_filename(dso, file, size) == NULL)) + ret = -1; + break; + + case DSO_BINARY_TYPE__FEDORA_DEBUGINFO: + snprintf(file, size, "%s/usr/lib/debug%s.debug", + symbol_conf.symfs, dso->long_name); + break; + + case DSO_BINARY_TYPE__UBUNTU_DEBUGINFO: + snprintf(file, size, "%s/usr/lib/debug%s", + symbol_conf.symfs, dso->long_name); + break; + + case DSO_BINARY_TYPE__BUILDID_DEBUGINFO: + if (!dso->has_build_id) { + ret = -1; + break; + } + + build_id__sprintf(dso->build_id, + sizeof(dso->build_id), + build_id_hex); + snprintf(file, size, + "%s/usr/lib/debug/.build-id/%.2s/%s.debug", + symbol_conf.symfs, build_id_hex, build_id_hex + 2); + break; + + case DSO_BINARY_TYPE__SYSTEM_PATH_DSO: + snprintf(file, size, "%s%s", + symbol_conf.symfs, dso->long_name); + break; + + case DSO_BINARY_TYPE__GUEST_KMODULE: + snprintf(file, size, "%s%s%s", symbol_conf.symfs, + root_dir, dso->long_name); + break; + + case DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE: + snprintf(file, size, "%s%s", symbol_conf.symfs, + dso->long_name); + break; + + default: + case DSO_BINARY_TYPE__KALLSYMS: + case DSO_BINARY_TYPE__VMLINUX: + case DSO_BINARY_TYPE__GUEST_KALLSYMS: + case DSO_BINARY_TYPE__GUEST_VMLINUX: + case DSO_BINARY_TYPE__JAVA_JIT: + case DSO_BINARY_TYPE__NOT_FOUND: + ret = -1; + break; + } + + return ret; +} + +static int open_dso(struct dso *dso, struct machine *machine) +{ + char *root_dir = (char *) ""; + char *name; + int fd; + + name = malloc(PATH_MAX); + if (!name) + return -ENOMEM; + + if (machine) + root_dir = machine->root_dir; + + if (dso__binary_type_file(dso, dso->data_type, + root_dir, name, PATH_MAX)) { + free(name); + return -EINVAL; + } + + fd = open(name, O_RDONLY); + free(name); + return fd; +} + +int dso__data_fd(struct dso *dso, struct machine *machine) +{ + static enum dso_binary_type binary_type_data[] = { + DSO_BINARY_TYPE__BUILD_ID_CACHE, + DSO_BINARY_TYPE__SYSTEM_PATH_DSO, + DSO_BINARY_TYPE__NOT_FOUND, + }; + int i = 0; + + if (dso->data_type != DSO_BINARY_TYPE__NOT_FOUND) + return open_dso(dso, machine); + + do { + int fd; + + dso->data_type = binary_type_data[i++]; + + fd = open_dso(dso, machine); + if (fd >= 0) + return fd; + + } while (dso->data_type != DSO_BINARY_TYPE__NOT_FOUND); + + return -EINVAL; +} + +static void +dso_cache__free(struct rb_root *root) +{ + struct rb_node *next = rb_first(root); + + while (next) { + struct dso_cache *cache; + + cache = rb_entry(next, struct dso_cache, rb_node); + next = rb_next(&cache->rb_node); + rb_erase(&cache->rb_node, root); + free(cache); + } +} + +static struct dso_cache* +dso_cache__find(struct rb_root *root, u64 offset) +{ + struct rb_node **p = &root->rb_node; + struct rb_node *parent = NULL; + struct dso_cache *cache; + + while (*p != NULL) { + u64 end; + + parent = *p; + cache = rb_entry(parent, struct dso_cache, rb_node); + end = cache->offset + DSO__DATA_CACHE_SIZE; + + if (offset < cache->offset) + p = &(*p)->rb_left; + else if (offset >= end) + p = &(*p)->rb_right; + else + return cache; + } + return NULL; +} + +static void +dso_cache__insert(struct rb_root *root, struct dso_cache *new) +{ + struct rb_node **p = &root->rb_node; + struct rb_node *parent = NULL; + struct dso_cache *cache; + u64 offset = new->offset; + + while (*p != NULL) { + u64 end; + + parent = *p; + cache = rb_entry(parent, struct dso_cache, rb_node); + end = cache->offset + DSO__DATA_CACHE_SIZE; + + if (offset < cache->offset) + p = &(*p)->rb_left; + else if (offset >= end) + p = &(*p)->rb_right; + } + + rb_link_node(&new->rb_node, parent, p); + rb_insert_color(&new->rb_node, root); +} + +static ssize_t +dso_cache__memcpy(struct dso_cache *cache, u64 offset, + u8 *data, u64 size) +{ + u64 cache_offset = offset - cache->offset; + u64 cache_size = min(cache->size - cache_offset, size); + + memcpy(data, cache->data + cache_offset, cache_size); + return cache_size; +} + +static ssize_t +dso_cache__read(struct dso *dso, struct machine *machine, + u64 offset, u8 *data, ssize_t size) +{ + struct dso_cache *cache; + ssize_t ret; + int fd; + + fd = dso__data_fd(dso, machine); + if (fd < 0) + return -1; + + do { + u64 cache_offset; + + ret = -ENOMEM; + + cache = zalloc(sizeof(*cache) + DSO__DATA_CACHE_SIZE); + if (!cache) + break; + + cache_offset = offset & DSO__DATA_CACHE_MASK; + ret = -EINVAL; + + if (-1 == lseek(fd, cache_offset, SEEK_SET)) + break; + + ret = read(fd, cache->data, DSO__DATA_CACHE_SIZE); + if (ret <= 0) + break; + + cache->offset = cache_offset; + cache->size = ret; + dso_cache__insert(&dso->cache, cache); + + ret = dso_cache__memcpy(cache, offset, data, size); + + } while (0); + + if (ret <= 0) + free(cache); + + close(fd); + return ret; +} + +static ssize_t dso_cache_read(struct dso *dso, struct machine *machine, + u64 offset, u8 *data, ssize_t size) +{ + struct dso_cache *cache; + + cache = dso_cache__find(&dso->cache, offset); + if (cache) + return dso_cache__memcpy(cache, offset, data, size); + else + return dso_cache__read(dso, machine, offset, data, size); +} + +ssize_t dso__data_read_offset(struct dso *dso, struct machine *machine, + u64 offset, u8 *data, ssize_t size) +{ + ssize_t r = 0; + u8 *p = data; + + do { + ssize_t ret; + + ret = dso_cache_read(dso, machine, offset, p, size); + if (ret < 0) + return ret; + + /* Reached EOF, return what we have. */ + if (!ret) + break; + + BUG_ON(ret > size); + + r += ret; + p += ret; + offset += ret; + size -= ret; + + } while (size); + + return r; +} + +ssize_t dso__data_read_addr(struct dso *dso, struct map *map, + struct machine *machine, u64 addr, + u8 *data, ssize_t size) +{ + u64 offset = map->map_ip(map, addr); + return dso__data_read_offset(dso, machine, offset, data, size); +} + +struct map *dso__new_map(const char *name) +{ + struct map *map = NULL; + struct dso *dso = dso__new(name); + + if (dso) + map = map__new2(0, dso, MAP__FUNCTION); + + return map; +} + +struct dso *dso__kernel_findnew(struct machine *machine, const char *name, + const char *short_name, int dso_type) +{ + /* + * The kernel dso could be created by build_id processing. + */ + struct dso *dso = __dsos__findnew(&machine->kernel_dsos, name); + + /* + * We need to run this in all cases, since during the build_id + * processing we had no idea this was the kernel dso. + */ + if (dso != NULL) { + dso__set_short_name(dso, short_name); + dso->kernel = dso_type; + } + + return dso; +} + +void dso__set_long_name(struct dso *dso, char *name) +{ + if (name == NULL) + return; + dso->long_name = name; + dso->long_name_len = strlen(name); +} + +void dso__set_short_name(struct dso *dso, const char *name) +{ + if (name == NULL) + return; + dso->short_name = name; + dso->short_name_len = strlen(name); +} + +static void dso__set_basename(struct dso *dso) +{ + dso__set_short_name(dso, basename(dso->long_name)); +} + +int dso__name_len(const struct dso *dso) +{ + if (!dso) + return strlen("[unknown]"); + if (verbose) + return dso->long_name_len; + + return dso->short_name_len; +} + +bool dso__loaded(const struct dso *dso, enum map_type type) +{ + return dso->loaded & (1 << type); +} + +bool dso__sorted_by_name(const struct dso *dso, enum map_type type) +{ + return dso->sorted_by_name & (1 << type); +} + +void dso__set_sorted_by_name(struct dso *dso, enum map_type type) +{ + dso->sorted_by_name |= (1 << type); +} + +struct dso *dso__new(const char *name) +{ + struct dso *dso = calloc(1, sizeof(*dso) + strlen(name) + 1); + + if (dso != NULL) { + int i; + strcpy(dso->name, name); + dso__set_long_name(dso, dso->name); + dso__set_short_name(dso, dso->name); + for (i = 0; i < MAP__NR_TYPES; ++i) + dso->symbols[i] = dso->symbol_names[i] = RB_ROOT; + dso->cache = RB_ROOT; + dso->symtab_type = DSO_BINARY_TYPE__NOT_FOUND; + dso->data_type = DSO_BINARY_TYPE__NOT_FOUND; + dso->loaded = 0; + dso->sorted_by_name = 0; + dso->has_build_id = 0; + dso->kernel = DSO_TYPE_USER; + dso->needs_swap = DSO_SWAP__UNSET; + INIT_LIST_HEAD(&dso->node); + } + + return dso; +} + +void dso__delete(struct dso *dso) +{ + int i; + for (i = 0; i < MAP__NR_TYPES; ++i) + symbols__delete(&dso->symbols[i]); + if (dso->sname_alloc) + free((char *)dso->short_name); + if (dso->lname_alloc) + free(dso->long_name); + dso_cache__free(&dso->cache); + free(dso); +} + +void dso__set_build_id(struct dso *dso, void *build_id) +{ + memcpy(dso->build_id, build_id, sizeof(dso->build_id)); + dso->has_build_id = 1; +} + +bool dso__build_id_equal(const struct dso *dso, u8 *build_id) +{ + return memcmp(dso->build_id, build_id, sizeof(dso->build_id)) == 0; +} + +void dso__read_running_kernel_build_id(struct dso *dso, struct machine *machine) +{ + char path[PATH_MAX]; + + if (machine__is_default_guest(machine)) + return; + sprintf(path, "%s/sys/kernel/notes", machine->root_dir); + if (sysfs__read_build_id(path, dso->build_id, + sizeof(dso->build_id)) == 0) + dso->has_build_id = true; +} + +int dso__kernel_module_get_build_id(struct dso *dso, + const char *root_dir) +{ + char filename[PATH_MAX]; + /* + * kernel module short names are of the form "[module]" and + * we need just "module" here. + */ + const char *name = dso->short_name + 1; + + snprintf(filename, sizeof(filename), + "%s/sys/module/%.*s/notes/.note.gnu.build-id", + root_dir, (int)strlen(name) - 1, name); + + if (sysfs__read_build_id(filename, dso->build_id, + sizeof(dso->build_id)) == 0) + dso->has_build_id = true; + + return 0; +} + +bool __dsos__read_build_ids(struct list_head *head, bool with_hits) +{ + bool have_build_id = false; + struct dso *pos; + + list_for_each_entry(pos, head, node) { + if (with_hits && !pos->hit) + continue; + if (pos->has_build_id) { + have_build_id = true; + continue; + } + if (filename__read_build_id(pos->long_name, pos->build_id, + sizeof(pos->build_id)) > 0) { + have_build_id = true; + pos->has_build_id = true; + } + } + + return have_build_id; +} + +void dsos__add(struct list_head *head, struct dso *dso) +{ + list_add_tail(&dso->node, head); +} + +struct dso *dsos__find(struct list_head *head, const char *name) +{ + struct dso *pos; + + list_for_each_entry(pos, head, node) + if (strcmp(pos->long_name, name) == 0) + return pos; + return NULL; +} + +struct dso *__dsos__findnew(struct list_head *head, const char *name) +{ + struct dso *dso = dsos__find(head, name); + + if (!dso) { + dso = dso__new(name); + if (dso != NULL) { + dsos__add(head, dso); + dso__set_basename(dso); + } + } + + return dso; +} + +size_t __dsos__fprintf_buildid(struct list_head *head, FILE *fp, + bool with_hits) +{ + struct dso *pos; + size_t ret = 0; + + list_for_each_entry(pos, head, node) { + if (with_hits && !pos->hit) + continue; + ret += dso__fprintf_buildid(pos, fp); + ret += fprintf(fp, " %s\n", pos->long_name); + } + return ret; +} + +size_t __dsos__fprintf(struct list_head *head, FILE *fp) +{ + struct dso *pos; + size_t ret = 0; + + list_for_each_entry(pos, head, node) { + int i; + for (i = 0; i < MAP__NR_TYPES; ++i) + ret += dso__fprintf(pos, i, fp); + } + + return ret; +} + +size_t dso__fprintf_buildid(struct dso *dso, FILE *fp) +{ + char sbuild_id[BUILD_ID_SIZE * 2 + 1]; + + build_id__sprintf(dso->build_id, sizeof(dso->build_id), sbuild_id); + return fprintf(fp, "%s", sbuild_id); +} + +size_t dso__fprintf(struct dso *dso, enum map_type type, FILE *fp) +{ + struct rb_node *nd; + size_t ret = fprintf(fp, "dso: %s (", dso->short_name); + + if (dso->short_name != dso->long_name) + ret += fprintf(fp, "%s, ", dso->long_name); + ret += fprintf(fp, "%s, %sloaded, ", map_type__name[type], + dso->loaded ? "" : "NOT "); + ret += dso__fprintf_buildid(dso, fp); + ret += fprintf(fp, ")\n"); + for (nd = rb_first(&dso->symbols[type]); nd; nd = rb_next(nd)) { + struct symbol *pos = rb_entry(nd, struct symbol, rb_node); + ret += symbol__fprintf(pos, fp); + } + + return ret; +} diff --git a/tools/perf/util/dso.h b/tools/perf/util/dso.h new file mode 100644 index 000000000000..e03276940b99 --- /dev/null +++ b/tools/perf/util/dso.h @@ -0,0 +1,148 @@ +#ifndef __PERF_DSO +#define __PERF_DSO + +#include <linux/types.h> +#include <linux/rbtree.h> +#include "types.h" +#include "map.h" + +enum dso_binary_type { + DSO_BINARY_TYPE__KALLSYMS = 0, + DSO_BINARY_TYPE__GUEST_KALLSYMS, + DSO_BINARY_TYPE__VMLINUX, + DSO_BINARY_TYPE__GUEST_VMLINUX, + DSO_BINARY_TYPE__JAVA_JIT, + DSO_BINARY_TYPE__DEBUGLINK, + DSO_BINARY_TYPE__BUILD_ID_CACHE, + DSO_BINARY_TYPE__FEDORA_DEBUGINFO, + DSO_BINARY_TYPE__UBUNTU_DEBUGINFO, + DSO_BINARY_TYPE__BUILDID_DEBUGINFO, + DSO_BINARY_TYPE__SYSTEM_PATH_DSO, + DSO_BINARY_TYPE__GUEST_KMODULE, + DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE, + DSO_BINARY_TYPE__NOT_FOUND, +}; + +enum dso_kernel_type { + DSO_TYPE_USER = 0, + DSO_TYPE_KERNEL, + DSO_TYPE_GUEST_KERNEL +}; + +enum dso_swap_type { + DSO_SWAP__UNSET, + DSO_SWAP__NO, + DSO_SWAP__YES, +}; + +#define DSO__SWAP(dso, type, val) \ +({ \ + type ____r = val; \ + BUG_ON(dso->needs_swap == DSO_SWAP__UNSET); \ + if (dso->needs_swap == DSO_SWAP__YES) { \ + switch (sizeof(____r)) { \ + case 2: \ + ____r = bswap_16(val); \ + break; \ + case 4: \ + ____r = bswap_32(val); \ + break; \ + case 8: \ + ____r = bswap_64(val); \ + break; \ + default: \ + BUG_ON(1); \ + } \ + } \ + ____r; \ +}) + +#define DSO__DATA_CACHE_SIZE 4096 +#define DSO__DATA_CACHE_MASK ~(DSO__DATA_CACHE_SIZE - 1) + +struct dso_cache { + struct rb_node rb_node; + u64 offset; + u64 size; + char data[0]; +}; + +struct dso { + struct list_head node; + struct rb_root symbols[MAP__NR_TYPES]; + struct rb_root symbol_names[MAP__NR_TYPES]; + struct rb_root cache; + enum dso_kernel_type kernel; + enum dso_swap_type needs_swap; + enum dso_binary_type symtab_type; + enum dso_binary_type data_type; + u8 adjust_symbols:1; + u8 has_build_id:1; + u8 hit:1; + u8 annotate_warned:1; + u8 sname_alloc:1; + u8 lname_alloc:1; + u8 sorted_by_name; + u8 loaded; + u8 build_id[BUILD_ID_SIZE]; + const char *short_name; + char *long_name; + u16 long_name_len; + u16 short_name_len; + char name[0]; +}; + +static inline void dso__set_loaded(struct dso *dso, enum map_type type) +{ + dso->loaded |= (1 << type); +} + +struct dso *dso__new(const char *name); +void dso__delete(struct dso *dso); + +void dso__set_short_name(struct dso *dso, const char *name); +void dso__set_long_name(struct dso *dso, char *name); + +int dso__name_len(const struct dso *dso); + +bool dso__loaded(const struct dso *dso, enum map_type type); + +bool dso__sorted_by_name(const struct dso *dso, enum map_type type); +void dso__set_sorted_by_name(struct dso *dso, enum map_type type); +void dso__sort_by_name(struct dso *dso, enum map_type type); + +void dso__set_build_id(struct dso *dso, void *build_id); +bool dso__build_id_equal(const struct dso *dso, u8 *build_id); +void dso__read_running_kernel_build_id(struct dso *dso, + struct machine *machine); +int dso__kernel_module_get_build_id(struct dso *dso, const char *root_dir); + +char dso__symtab_origin(const struct dso *dso); +int dso__binary_type_file(struct dso *dso, enum dso_binary_type type, + char *root_dir, char *file, size_t size); + +int dso__data_fd(struct dso *dso, struct machine *machine); +ssize_t dso__data_read_offset(struct dso *dso, struct machine *machine, + u64 offset, u8 *data, ssize_t size); +ssize_t dso__data_read_addr(struct dso *dso, struct map *map, + struct machine *machine, u64 addr, + u8 *data, ssize_t size); + +struct map *dso__new_map(const char *name); +struct dso *dso__kernel_findnew(struct machine *machine, const char *name, + const char *short_name, int dso_type); + +void dsos__add(struct list_head *head, struct dso *dso); +struct dso *dsos__find(struct list_head *head, const char *name); +struct dso *__dsos__findnew(struct list_head *head, const char *name); +bool __dsos__read_build_ids(struct list_head *head, bool with_hits); + +size_t __dsos__fprintf_buildid(struct list_head *head, FILE *fp, + bool with_hits); +size_t __dsos__fprintf(struct list_head *head, FILE *fp); + +size_t dso__fprintf_buildid(struct dso *dso, FILE *fp); +size_t dso__fprintf_symbols_by_name(struct dso *dso, + enum map_type type, FILE *fp); +size_t dso__fprintf(struct dso *dso, enum map_type type, FILE *fp); +#endif /* __PERF_DSO */ diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c index 6715b1938725..3cf2c3e0605f 100644 --- a/tools/perf/util/event.c +++ b/tools/perf/util/event.c @@ -1,6 +1,7 @@ #include <linux/types.h> #include "event.h" #include "debug.h" +#include "machine.h" #include "sort.h" #include "string.h" #include "strlist.h" @@ -192,55 +193,43 @@ static int perf_event__synthesize_mmap_events(struct perf_tool *tool, event->header.misc = PERF_RECORD_MISC_USER; while (1) { - char bf[BUFSIZ], *pbf = bf; - int n; + char bf[BUFSIZ]; + char prot[5]; + char execname[PATH_MAX]; + char anonstr[] = "//anon"; size_t size; + if (fgets(bf, sizeof(bf), fp) == NULL) break; + /* ensure null termination since stack will be reused. */ + strcpy(execname, ""); + /* 00400000-0040c000 r-xp 00000000 fd:01 41038 /bin/cat */ - n = hex2u64(pbf, &event->mmap.start); - if (n < 0) - continue; - pbf += n + 1; - n = hex2u64(pbf, &event->mmap.len); - if (n < 0) + sscanf(bf, "%"PRIx64"-%"PRIx64" %s %"PRIx64" %*x:%*x %*u %s\n", + &event->mmap.start, &event->mmap.len, prot, + &event->mmap.pgoff, execname); + + if (prot[2] != 'x') continue; - pbf += n + 3; - if (*pbf == 'x') { /* vm_exec */ - char anonstr[] = "//anon\n"; - char *execname = strchr(bf, '/'); - - /* Catch VDSO */ - if (execname == NULL) - execname = strstr(bf, "[vdso]"); - - /* Catch anonymous mmaps */ - if ((execname == NULL) && !strstr(bf, "[")) - execname = anonstr; - - if (execname == NULL) - continue; - - pbf += 3; - n = hex2u64(pbf, &event->mmap.pgoff); - - size = strlen(execname); - execname[size - 1] = '\0'; /* Remove \n */ - memcpy(event->mmap.filename, execname, size); - size = PERF_ALIGN(size, sizeof(u64)); - event->mmap.len -= event->mmap.start; - event->mmap.header.size = (sizeof(event->mmap) - - (sizeof(event->mmap.filename) - size)); - memset(event->mmap.filename + size, 0, machine->id_hdr_size); - event->mmap.header.size += machine->id_hdr_size; - event->mmap.pid = tgid; - event->mmap.tid = pid; - - if (process(tool, event, &synth_sample, machine) != 0) { - rc = -1; - break; - } + + if (!strcmp(execname, "")) + strcpy(execname, anonstr); + + size = strlen(execname) + 1; + memcpy(event->mmap.filename, execname, size); + size = PERF_ALIGN(size, sizeof(u64)); + event->mmap.len -= event->mmap.start; + event->mmap.header.size = (sizeof(event->mmap) - + (sizeof(event->mmap.filename) - size)); + memset(event->mmap.filename + size, 0, machine->id_hdr_size); + event->mmap.header.size += machine->id_hdr_size; + event->mmap.pid = tgid; + event->mmap.tid = pid; + + if (process(tool, event, &synth_sample, machine) != 0) { + rc = -1; + break; } } @@ -404,16 +393,15 @@ int perf_event__synthesize_threads(struct perf_tool *tool, if (*end) /* only interested in proper numerical dirents */ continue; - - if (__event__synthesize_thread(comm_event, mmap_event, pid, 1, - process, tool, machine) != 0) { - err = -1; - goto out_closedir; - } + /* + * We may race with exiting thread, so don't stop just because + * one thread couldn't be synthesized. + */ + __event__synthesize_thread(comm_event, mmap_event, pid, 1, + process, tool, machine); } err = 0; -out_closedir: closedir(proc); out_free_mmap: free(mmap_event); @@ -519,134 +507,15 @@ int perf_event__process_comm(struct perf_tool *tool __maybe_unused, struct perf_sample *sample __maybe_unused, struct machine *machine) { - struct thread *thread = machine__findnew_thread(machine, event->comm.tid); - - if (dump_trace) - perf_event__fprintf_comm(event, stdout); - - if (thread == NULL || thread__set_comm(thread, event->comm.comm)) { - dump_printf("problem processing PERF_RECORD_COMM, skipping event.\n"); - return -1; - } - - return 0; + return machine__process_comm_event(machine, event); } int perf_event__process_lost(struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample __maybe_unused, - struct machine *machine __maybe_unused) -{ - dump_printf(": id:%" PRIu64 ": lost:%" PRIu64 "\n", - event->lost.id, event->lost.lost); - return 0; -} - -static void perf_event__set_kernel_mmap_len(union perf_event *event, - struct map **maps) -{ - maps[MAP__FUNCTION]->start = event->mmap.start; - maps[MAP__FUNCTION]->end = event->mmap.start + event->mmap.len; - /* - * Be a bit paranoid here, some perf.data file came with - * a zero sized synthesized MMAP event for the kernel. - */ - if (maps[MAP__FUNCTION]->end == 0) - maps[MAP__FUNCTION]->end = ~0ULL; -} - -static int perf_event__process_kernel_mmap(struct perf_tool *tool - __maybe_unused, - union perf_event *event, - struct machine *machine) + struct machine *machine) { - struct map *map; - char kmmap_prefix[PATH_MAX]; - enum dso_kernel_type kernel_type; - bool is_kernel_mmap; - - machine__mmap_name(machine, kmmap_prefix, sizeof(kmmap_prefix)); - if (machine__is_host(machine)) - kernel_type = DSO_TYPE_KERNEL; - else - kernel_type = DSO_TYPE_GUEST_KERNEL; - - is_kernel_mmap = memcmp(event->mmap.filename, - kmmap_prefix, - strlen(kmmap_prefix) - 1) == 0; - if (event->mmap.filename[0] == '/' || - (!is_kernel_mmap && event->mmap.filename[0] == '[')) { - - char short_module_name[1024]; - char *name, *dot; - - if (event->mmap.filename[0] == '/') { - name = strrchr(event->mmap.filename, '/'); - if (name == NULL) - goto out_problem; - - ++name; /* skip / */ - dot = strrchr(name, '.'); - if (dot == NULL) - goto out_problem; - snprintf(short_module_name, sizeof(short_module_name), - "[%.*s]", (int)(dot - name), name); - strxfrchar(short_module_name, '-', '_'); - } else - strcpy(short_module_name, event->mmap.filename); - - map = machine__new_module(machine, event->mmap.start, - event->mmap.filename); - if (map == NULL) - goto out_problem; - - name = strdup(short_module_name); - if (name == NULL) - goto out_problem; - - map->dso->short_name = name; - map->dso->sname_alloc = 1; - map->end = map->start + event->mmap.len; - } else if (is_kernel_mmap) { - const char *symbol_name = (event->mmap.filename + - strlen(kmmap_prefix)); - /* - * Should be there already, from the build-id table in - * the header. - */ - struct dso *kernel = __dsos__findnew(&machine->kernel_dsos, - kmmap_prefix); - if (kernel == NULL) - goto out_problem; - - kernel->kernel = kernel_type; - if (__machine__create_kernel_maps(machine, kernel) < 0) - goto out_problem; - - perf_event__set_kernel_mmap_len(event, machine->vmlinux_maps); - - /* - * Avoid using a zero address (kptr_restrict) for the ref reloc - * symbol. Effectively having zero here means that at record - * time /proc/sys/kernel/kptr_restrict was non zero. - */ - if (event->mmap.pgoff != 0) { - maps__set_kallsyms_ref_reloc_sym(machine->vmlinux_maps, - symbol_name, - event->mmap.pgoff); - } - - if (machine__is_default_guest(machine)) { - /* - * preload dso of guest kernel and modules - */ - dso__load(kernel, machine->vmlinux_maps[MAP__FUNCTION], - NULL); - } - } - return 0; -out_problem: - return -1; + return machine__process_lost_event(machine, event); } size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp) @@ -656,43 +525,12 @@ size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp) event->mmap.len, event->mmap.pgoff, event->mmap.filename); } -int perf_event__process_mmap(struct perf_tool *tool, +int perf_event__process_mmap(struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample __maybe_unused, struct machine *machine) { - struct thread *thread; - struct map *map; - u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; - int ret = 0; - - if (dump_trace) - perf_event__fprintf_mmap(event, stdout); - - if (cpumode == PERF_RECORD_MISC_GUEST_KERNEL || - cpumode == PERF_RECORD_MISC_KERNEL) { - ret = perf_event__process_kernel_mmap(tool, event, machine); - if (ret < 0) - goto out_problem; - return 0; - } - - thread = machine__findnew_thread(machine, event->mmap.pid); - if (thread == NULL) - goto out_problem; - map = map__new(&machine->user_dsos, event->mmap.start, - event->mmap.len, event->mmap.pgoff, - event->mmap.pid, event->mmap.filename, - MAP__FUNCTION); - if (map == NULL) - goto out_problem; - - thread__insert_map(thread, map); - return 0; - -out_problem: - dump_printf("problem processing PERF_RECORD_MMAP, skipping event.\n"); - return 0; + return machine__process_mmap_event(machine, event); } size_t perf_event__fprintf_task(union perf_event *event, FILE *fp) @@ -702,29 +540,20 @@ size_t perf_event__fprintf_task(union perf_event *event, FILE *fp) event->fork.ppid, event->fork.ptid); } -int perf_event__process_task(struct perf_tool *tool __maybe_unused, +int perf_event__process_fork(struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample __maybe_unused, - struct machine *machine) + struct machine *machine) { - struct thread *thread = machine__findnew_thread(machine, event->fork.tid); - struct thread *parent = machine__findnew_thread(machine, event->fork.ptid); - - if (dump_trace) - perf_event__fprintf_task(event, stdout); - - if (event->header.type == PERF_RECORD_EXIT) { - machine__remove_thread(machine, thread); - return 0; - } - - if (thread == NULL || parent == NULL || - thread__fork(thread, parent) < 0) { - dump_printf("problem processing PERF_RECORD_FORK, skipping event.\n"); - return -1; - } + return machine__process_fork_event(machine, event); +} - return 0; +int perf_event__process_exit(struct perf_tool *tool __maybe_unused, + union perf_event *event, + struct perf_sample *sample __maybe_unused, + struct machine *machine) +{ + return machine__process_exit_event(machine, event); } size_t perf_event__fprintf(union perf_event *event, FILE *fp) @@ -750,27 +579,12 @@ size_t perf_event__fprintf(union perf_event *event, FILE *fp) return ret; } -int perf_event__process(struct perf_tool *tool, union perf_event *event, - struct perf_sample *sample, struct machine *machine) +int perf_event__process(struct perf_tool *tool __maybe_unused, + union perf_event *event, + struct perf_sample *sample __maybe_unused, + struct machine *machine) { - switch (event->header.type) { - case PERF_RECORD_COMM: - perf_event__process_comm(tool, event, sample, machine); - break; - case PERF_RECORD_MMAP: - perf_event__process_mmap(tool, event, sample, machine); - break; - case PERF_RECORD_FORK: - case PERF_RECORD_EXIT: - perf_event__process_task(tool, event, sample, machine); - break; - case PERF_RECORD_LOST: - perf_event__process_lost(tool, event, sample, machine); - default: - break; - } - - return 0; + return machine__process_event(machine, event); } void thread__find_addr_map(struct thread *self, diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h index 21b99e741a87..0d573ff4771a 100644 --- a/tools/perf/util/event.h +++ b/tools/perf/util/event.h @@ -6,6 +6,7 @@ #include "../perf.h" #include "map.h" +#include "build-id.h" /* * PERF_SAMPLE_IP | PERF_SAMPLE_TID | * @@ -96,8 +97,6 @@ struct perf_sample { struct stack_dump user_stack; }; -#define BUILD_ID_SIZE 20 - struct build_id_event { struct perf_event_header header; pid_t pid; @@ -191,7 +190,11 @@ int perf_event__process_mmap(struct perf_tool *tool, union perf_event *event, struct perf_sample *sample, struct machine *machine); -int perf_event__process_task(struct perf_tool *tool, +int perf_event__process_fork(struct perf_tool *tool, + union perf_event *event, + struct perf_sample *sample, + struct machine *machine); +int perf_event__process_exit(struct perf_tool *tool, union perf_event *event, struct perf_sample *sample, struct machine *machine); diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index 186b87730396..705293489e3c 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -52,15 +52,13 @@ struct perf_evlist *perf_evlist__new(struct cpu_map *cpus, void perf_evlist__config_attrs(struct perf_evlist *evlist, struct perf_record_opts *opts) { - struct perf_evsel *evsel, *first; + struct perf_evsel *evsel; if (evlist->cpus->map[0] < 0) opts->no_inherit = true; - first = perf_evlist__first(evlist); - list_for_each_entry(evsel, &evlist->entries, node) { - perf_evsel__config(evsel, opts, first); + perf_evsel__config(evsel, opts); if (evlist->nr_entries > 1) evsel->attr.sample_type |= PERF_SAMPLE_ID; @@ -224,6 +222,8 @@ void perf_evlist__disable(struct perf_evlist *evlist) for (cpu = 0; cpu < evlist->cpus->nr; cpu++) { list_for_each_entry(pos, &evlist->entries, node) { + if (perf_evsel__is_group_member(pos)) + continue; for (thread = 0; thread < evlist->threads->nr; thread++) ioctl(FD(pos, cpu, thread), PERF_EVENT_IOC_DISABLE, 0); @@ -238,6 +238,8 @@ void perf_evlist__enable(struct perf_evlist *evlist) for (cpu = 0; cpu < cpu_map__nr(evlist->cpus); cpu++) { list_for_each_entry(pos, &evlist->entries, node) { + if (perf_evsel__is_group_member(pos)) + continue; for (thread = 0; thread < evlist->threads->nr; thread++) ioctl(FD(pos, cpu, thread), PERF_EVENT_IOC_ENABLE, 0); @@ -325,8 +327,6 @@ struct perf_evsel *perf_evlist__id2evsel(struct perf_evlist *evlist, u64 id) union perf_event *perf_evlist__mmap_read(struct perf_evlist *evlist, int idx) { - /* XXX Move this to perf.c, making it generally available */ - unsigned int page_size = sysconf(_SC_PAGE_SIZE); struct perf_mmap *md = &evlist->mmap[idx]; unsigned int head = perf_mmap__read_head(md); unsigned int old = md->prev; @@ -528,7 +528,6 @@ out_unmap: int perf_evlist__mmap(struct perf_evlist *evlist, unsigned int pages, bool overwrite) { - unsigned int page_size = sysconf(_SC_PAGE_SIZE); struct perf_evsel *evsel; const struct cpu_map *cpus = evlist->cpus; const struct thread_map *threads = evlist->threads; diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 618d41140abd..1b16dd1edc8e 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -18,8 +18,8 @@ #include "cpumap.h" #include "thread_map.h" #include "target.h" -#include "../../../include/linux/hw_breakpoint.h" -#include "../../../include/uapi/linux/perf_event.h" +#include <linux/hw_breakpoint.h> +#include <linux/perf_event.h> #include "perf_regs.h" #define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y)) @@ -404,13 +404,40 @@ const char *perf_evsel__name(struct perf_evsel *evsel) return evsel->name ?: "unknown"; } -void perf_evsel__config(struct perf_evsel *evsel, struct perf_record_opts *opts, - struct perf_evsel *first) +/* + * The enable_on_exec/disabled value strategy: + * + * 1) For any type of traced program: + * - all independent events and group leaders are disabled + * - all group members are enabled + * + * Group members are ruled by group leaders. They need to + * be enabled, because the group scheduling relies on that. + * + * 2) For traced programs executed by perf: + * - all independent events and group leaders have + * enable_on_exec set + * - we don't specifically enable or disable any event during + * the record command + * + * Independent events and group leaders are initially disabled + * and get enabled by exec. Group members are ruled by group + * leaders as stated in 1). + * + * 3) For traced programs attached by perf (pid/tid): + * - we specifically enable or disable all events during + * the record command + * + * When attaching events to already running traced we + * enable/disable events specifically, as there's no + * initial traced exec call. + */ +void perf_evsel__config(struct perf_evsel *evsel, + struct perf_record_opts *opts) { struct perf_event_attr *attr = &evsel->attr; int track = !evsel->idx; /* only the first counter needs these */ - attr->disabled = 1; attr->sample_id_all = opts->sample_id_all_missing ? 0 : 1; attr->inherit = !opts->no_inherit; attr->read_format = PERF_FORMAT_TOTAL_TIME_ENABLED | @@ -486,10 +513,21 @@ void perf_evsel__config(struct perf_evsel *evsel, struct perf_record_opts *opts, attr->mmap = track; attr->comm = track; - if (perf_target__none(&opts->target) && - (!opts->group || evsel == first)) { + /* + * XXX see the function comment above + * + * Disabling only independent events or group leaders, + * keeping group members enabled. + */ + if (!perf_evsel__is_group_member(evsel)) + attr->disabled = 1; + + /* + * Setting enable_on_exec for independent events and + * group leaders for traced executed by perf. + */ + if (perf_target__none(&opts->target) && !perf_evsel__is_group_member(evsel)) attr->enable_on_exec = 1; - } } int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads) @@ -669,7 +707,7 @@ static int get_group_fd(struct perf_evsel *evsel, int cpu, int thread) struct perf_evsel *leader = evsel->leader; int fd; - if (!leader) + if (!perf_evsel__is_group_member(evsel)) return -1; /* diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h index 6f94d6dea00f..3d2b8017438c 100644 --- a/tools/perf/util/evsel.h +++ b/tools/perf/util/evsel.h @@ -3,7 +3,8 @@ #include <linux/list.h> #include <stdbool.h> -#include "../../../include/uapi/linux/perf_event.h" +#include <stddef.h> +#include <linux/perf_event.h> #include "types.h" #include "xyarray.h" #include "cgroup.h" @@ -92,8 +93,7 @@ void perf_evsel__exit(struct perf_evsel *evsel); void perf_evsel__delete(struct perf_evsel *evsel); void perf_evsel__config(struct perf_evsel *evsel, - struct perf_record_opts *opts, - struct perf_evsel *first); + struct perf_record_opts *opts); bool perf_evsel__is_cache_op_valid(u8 type, u8 op); @@ -225,4 +225,9 @@ static inline struct perf_evsel *perf_evsel__next(struct perf_evsel *evsel) { return list_entry(evsel->node.next, struct perf_evsel, node); } + +static inline bool perf_evsel__is_group_member(const struct perf_evsel *evsel) +{ + return evsel->leader != NULL; +} #endif /* __PERF_EVSEL_H */ diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 7daad237dea5..b7da4634a047 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -23,6 +23,7 @@ #include "pmu.h" #include "vdso.h" #include "strbuf.h" +#include "build-id.h" static bool no_buildid_cache = false; @@ -1378,6 +1379,8 @@ static void print_numa_topology(struct perf_header *ph, int fd __maybe_unused, str = tmp + 1; fprintf(fp, "# node%u cpu list : %s\n", c, str); + + str += strlen(str) + 1; } return; error: @@ -2340,6 +2343,16 @@ static int try_all_pipe_abis(uint64_t hdr_sz, struct perf_header *ph) return -1; } +bool is_perf_magic(u64 magic) +{ + if (!memcmp(&magic, __perf_magic1, sizeof(magic)) + || magic == __perf_magic2 + || magic == __perf_magic2_sw) + return true; + + return false; +} + static int check_magic_endian(u64 magic, uint64_t hdr_sz, bool is_pipe, struct perf_header *ph) { diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h index 879d215cdac9..20f0344accb1 100644 --- a/tools/perf/util/header.h +++ b/tools/perf/util/header.h @@ -1,7 +1,7 @@ #ifndef __PERF_HEADER_H #define __PERF_HEADER_H -#include "../../../include/uapi/linux/perf_event.h" +#include <linux/perf_event.h> #include <sys/types.h> #include <stdbool.h> #include "types.h" @@ -154,6 +154,7 @@ int perf_event__synthesize_build_id(struct perf_tool *tool, int perf_event__process_build_id(struct perf_tool *tool, union perf_event *event, struct perf_session *session); +bool is_perf_magic(u64 magic); /* * arch specific callback diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index 277947a669b2..cb17e2a8c6ed 100644 --- a/tools/perf/util/hist.c +++ b/tools/perf/util/hist.c @@ -244,6 +244,8 @@ static struct hist_entry *hist_entry__new(struct hist_entry *template) he->ms.map->referenced = true; if (symbol_conf.use_callchain) callchain_init(he->callchain); + + INIT_LIST_HEAD(&he->pairs.node); } return he; @@ -410,6 +412,7 @@ hist_entry__collapse(struct hist_entry *left, struct hist_entry *right) void hist_entry__free(struct hist_entry *he) { + free(he->branch_info); free(he); } @@ -713,3 +716,99 @@ void hists__inc_nr_events(struct hists *hists, u32 type) ++hists->stats.nr_events[0]; ++hists->stats.nr_events[type]; } + +static struct hist_entry *hists__add_dummy_entry(struct hists *hists, + struct hist_entry *pair) +{ + struct rb_node **p = &hists->entries.rb_node; + struct rb_node *parent = NULL; + struct hist_entry *he; + int cmp; + + while (*p != NULL) { + parent = *p; + he = rb_entry(parent, struct hist_entry, rb_node); + + cmp = hist_entry__cmp(pair, he); + + if (!cmp) + goto out; + + if (cmp < 0) + p = &(*p)->rb_left; + else + p = &(*p)->rb_right; + } + + he = hist_entry__new(pair); + if (he) { + memset(&he->stat, 0, sizeof(he->stat)); + he->hists = hists; + rb_link_node(&he->rb_node, parent, p); + rb_insert_color(&he->rb_node, &hists->entries); + hists__inc_nr_entries(hists, he); + } +out: + return he; +} + +static struct hist_entry *hists__find_entry(struct hists *hists, + struct hist_entry *he) +{ + struct rb_node *n = hists->entries.rb_node; + + while (n) { + struct hist_entry *iter = rb_entry(n, struct hist_entry, rb_node); + int64_t cmp = hist_entry__cmp(he, iter); + + if (cmp < 0) + n = n->rb_left; + else if (cmp > 0) + n = n->rb_right; + else + return iter; + } + + return NULL; +} + +/* + * Look for pairs to link to the leader buckets (hist_entries): + */ +void hists__match(struct hists *leader, struct hists *other) +{ + struct rb_node *nd; + struct hist_entry *pos, *pair; + + for (nd = rb_first(&leader->entries); nd; nd = rb_next(nd)) { + pos = rb_entry(nd, struct hist_entry, rb_node); + pair = hists__find_entry(other, pos); + + if (pair) + hist__entry_add_pair(pos, pair); + } +} + +/* + * Look for entries in the other hists that are not present in the leader, if + * we find them, just add a dummy entry on the leader hists, with period=0, + * nr_events=0, to serve as the list header. + */ +int hists__link(struct hists *leader, struct hists *other) +{ + struct rb_node *nd; + struct hist_entry *pos, *pair; + + for (nd = rb_first(&other->entries); nd; nd = rb_next(nd)) { + pos = rb_entry(nd, struct hist_entry, rb_node); + + if (!hist_entry__has_pairs(pos)) { + pair = hists__add_dummy_entry(leader, pos); + if (pair == NULL) + return -1; + hist__entry_add_pair(pair, pos); + } + } + + return 0; +} diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h index 66cb31fe81d2..8b091a51e4a2 100644 --- a/tools/perf/util/hist.h +++ b/tools/perf/util/hist.h @@ -4,6 +4,7 @@ #include <linux/types.h> #include <pthread.h> #include "callchain.h" +#include "header.h" extern struct callchain_param callchain_param; @@ -114,6 +115,9 @@ bool hists__new_col_len(struct hists *self, enum hist_column col, u16 len); void hists__reset_col_len(struct hists *hists); void hists__calc_col_len(struct hists *hists, struct hist_entry *he); +void hists__match(struct hists *leader, struct hists *other); +int hists__link(struct hists *leader, struct hists *other); + struct perf_hpp { char *buf; size_t size; @@ -140,8 +144,12 @@ enum { PERF_HPP__OVERHEAD_GUEST_US, PERF_HPP__SAMPLES, PERF_HPP__PERIOD, + PERF_HPP__PERIOD_BASELINE, PERF_HPP__DELTA, + PERF_HPP__RATIO, + PERF_HPP__WEIGHTED_DIFF, PERF_HPP__DISPL, + PERF_HPP__FORMULA, PERF_HPP__MAX_INDEX }; @@ -153,21 +161,27 @@ int hist_entry__period_snprintf(struct perf_hpp *hpp, struct hist_entry *he, struct perf_evlist; +struct hist_browser_timer { + void (*timer)(void *arg); + void *arg; + int refresh; +}; + #ifdef NEWT_SUPPORT #include "../ui/keysyms.h" int hist_entry__tui_annotate(struct hist_entry *he, int evidx, - void(*timer)(void *arg), void *arg, int delay_secs); + struct hist_browser_timer *hbt); int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help, - void(*timer)(void *arg), void *arg, - int refresh); + struct hist_browser_timer *hbt, + struct perf_session_env *env); +int script_browse(const char *script_opt); #else static inline int perf_evlist__tui_browse_hists(struct perf_evlist *evlist __maybe_unused, const char *help __maybe_unused, - void(*timer)(void *arg) __maybe_unused, - void *arg __maybe_unused, - int refresh __maybe_unused) + struct hist_browser_timer *hbt __maybe_unused, + struct perf_session_env *env __maybe_unused) { return 0; } @@ -175,28 +189,29 @@ int perf_evlist__tui_browse_hists(struct perf_evlist *evlist __maybe_unused, static inline int hist_entry__tui_annotate(struct hist_entry *self __maybe_unused, int evidx __maybe_unused, - void(*timer)(void *arg) - __maybe_unused, - void *arg __maybe_unused, - int delay_secs __maybe_unused) + struct hist_browser_timer *hbt + __maybe_unused) { return 0; } + +static inline int script_browse(const char *script_opt __maybe_unused) +{ + return 0; +} + #define K_LEFT -1 #define K_RIGHT -2 #endif #ifdef GTK2_SUPPORT int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist, const char *help, - void(*timer)(void *arg), void *arg, - int refresh); + struct hist_browser_timer *hbt __maybe_unused); #else static inline int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist __maybe_unused, const char *help __maybe_unused, - void(*timer)(void *arg) __maybe_unused, - void *arg __maybe_unused, - int refresh __maybe_unused) + struct hist_browser_timer *hbt __maybe_unused) { return 0; } @@ -204,4 +219,8 @@ int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist __maybe_unused, unsigned int hists__sort_list_width(struct hists *self); +double perf_diff__compute_delta(struct hist_entry *he); +double perf_diff__compute_ratio(struct hist_entry *he); +s64 perf_diff__compute_wdiff(struct hist_entry *he); +int perf_diff__formula(char *buf, size_t size, struct hist_entry *he); #endif /* __PERF_HIST_H */ diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c new file mode 100644 index 000000000000..1f09d0581e6b --- /dev/null +++ b/tools/perf/util/machine.c @@ -0,0 +1,464 @@ +#include "debug.h" +#include "event.h" +#include "machine.h" +#include "map.h" +#include "strlist.h" +#include "thread.h" +#include <stdbool.h> + +int machine__init(struct machine *machine, const char *root_dir, pid_t pid) +{ + map_groups__init(&machine->kmaps); + RB_CLEAR_NODE(&machine->rb_node); + INIT_LIST_HEAD(&machine->user_dsos); + INIT_LIST_HEAD(&machine->kernel_dsos); + + machine->threads = RB_ROOT; + INIT_LIST_HEAD(&machine->dead_threads); + machine->last_match = NULL; + + machine->kmaps.machine = machine; + machine->pid = pid; + + machine->root_dir = strdup(root_dir); + if (machine->root_dir == NULL) + return -ENOMEM; + + if (pid != HOST_KERNEL_ID) { + struct thread *thread = machine__findnew_thread(machine, pid); + char comm[64]; + + if (thread == NULL) + return -ENOMEM; + + snprintf(comm, sizeof(comm), "[guest/%d]", pid); + thread__set_comm(thread, comm); + } + + return 0; +} + +static void dsos__delete(struct list_head *dsos) +{ + struct dso *pos, *n; + + list_for_each_entry_safe(pos, n, dsos, node) { + list_del(&pos->node); + dso__delete(pos); + } +} + +void machine__exit(struct machine *machine) +{ + map_groups__exit(&machine->kmaps); + dsos__delete(&machine->user_dsos); + dsos__delete(&machine->kernel_dsos); + free(machine->root_dir); + machine->root_dir = NULL; +} + +void machine__delete(struct machine *machine) +{ + machine__exit(machine); + free(machine); +} + +struct machine *machines__add(struct rb_root *machines, pid_t pid, + const char *root_dir) +{ + struct rb_node **p = &machines->rb_node; + struct rb_node *parent = NULL; + struct machine *pos, *machine = malloc(sizeof(*machine)); + + if (machine == NULL) + return NULL; + + if (machine__init(machine, root_dir, pid) != 0) { + free(machine); + return NULL; + } + + while (*p != NULL) { + parent = *p; + pos = rb_entry(parent, struct machine, rb_node); + if (pid < pos->pid) + p = &(*p)->rb_left; + else + p = &(*p)->rb_right; + } + + rb_link_node(&machine->rb_node, parent, p); + rb_insert_color(&machine->rb_node, machines); + + return machine; +} + +struct machine *machines__find(struct rb_root *machines, pid_t pid) +{ + struct rb_node **p = &machines->rb_node; + struct rb_node *parent = NULL; + struct machine *machine; + struct machine *default_machine = NULL; + + while (*p != NULL) { + parent = *p; + machine = rb_entry(parent, struct machine, rb_node); + if (pid < machine->pid) + p = &(*p)->rb_left; + else if (pid > machine->pid) + p = &(*p)->rb_right; + else + return machine; + if (!machine->pid) + default_machine = machine; + } + + return default_machine; +} + +struct machine *machines__findnew(struct rb_root *machines, pid_t pid) +{ + char path[PATH_MAX]; + const char *root_dir = ""; + struct machine *machine = machines__find(machines, pid); + + if (machine && (machine->pid == pid)) + goto out; + + if ((pid != HOST_KERNEL_ID) && + (pid != DEFAULT_GUEST_KERNEL_ID) && + (symbol_conf.guestmount)) { + sprintf(path, "%s/%d", symbol_conf.guestmount, pid); + if (access(path, R_OK)) { + static struct strlist *seen; + + if (!seen) + seen = strlist__new(true, NULL); + + if (!strlist__has_entry(seen, path)) { + pr_err("Can't access file %s\n", path); + strlist__add(seen, path); + } + machine = NULL; + goto out; + } + root_dir = path; + } + + machine = machines__add(machines, pid, root_dir); +out: + return machine; +} + +void machines__process(struct rb_root *machines, + machine__process_t process, void *data) +{ + struct rb_node *nd; + + for (nd = rb_first(machines); nd; nd = rb_next(nd)) { + struct machine *pos = rb_entry(nd, struct machine, rb_node); + process(pos, data); + } +} + +char *machine__mmap_name(struct machine *machine, char *bf, size_t size) +{ + if (machine__is_host(machine)) + snprintf(bf, size, "[%s]", "kernel.kallsyms"); + else if (machine__is_default_guest(machine)) + snprintf(bf, size, "[%s]", "guest.kernel.kallsyms"); + else { + snprintf(bf, size, "[%s.%d]", "guest.kernel.kallsyms", + machine->pid); + } + + return bf; +} + +void machines__set_id_hdr_size(struct rb_root *machines, u16 id_hdr_size) +{ + struct rb_node *node; + struct machine *machine; + + for (node = rb_first(machines); node; node = rb_next(node)) { + machine = rb_entry(node, struct machine, rb_node); + machine->id_hdr_size = id_hdr_size; + } + + return; +} + +static struct thread *__machine__findnew_thread(struct machine *machine, pid_t pid, + bool create) +{ + struct rb_node **p = &machine->threads.rb_node; + struct rb_node *parent = NULL; + struct thread *th; + + /* + * Font-end cache - PID lookups come in blocks, + * so most of the time we dont have to look up + * the full rbtree: + */ + if (machine->last_match && machine->last_match->pid == pid) + return machine->last_match; + + while (*p != NULL) { + parent = *p; + th = rb_entry(parent, struct thread, rb_node); + + if (th->pid == pid) { + machine->last_match = th; + return th; + } + + if (pid < th->pid) + p = &(*p)->rb_left; + else + p = &(*p)->rb_right; + } + + if (!create) + return NULL; + + th = thread__new(pid); + if (th != NULL) { + rb_link_node(&th->rb_node, parent, p); + rb_insert_color(&th->rb_node, &machine->threads); + machine->last_match = th; + } + + return th; +} + +struct thread *machine__findnew_thread(struct machine *machine, pid_t pid) +{ + return __machine__findnew_thread(machine, pid, true); +} + +struct thread *machine__find_thread(struct machine *machine, pid_t pid) +{ + return __machine__findnew_thread(machine, pid, false); +} + +int machine__process_comm_event(struct machine *machine, union perf_event *event) +{ + struct thread *thread = machine__findnew_thread(machine, event->comm.tid); + + if (dump_trace) + perf_event__fprintf_comm(event, stdout); + + if (thread == NULL || thread__set_comm(thread, event->comm.comm)) { + dump_printf("problem processing PERF_RECORD_COMM, skipping event.\n"); + return -1; + } + + return 0; +} + +int machine__process_lost_event(struct machine *machine __maybe_unused, + union perf_event *event) +{ + dump_printf(": id:%" PRIu64 ": lost:%" PRIu64 "\n", + event->lost.id, event->lost.lost); + return 0; +} + +static void machine__set_kernel_mmap_len(struct machine *machine, + union perf_event *event) +{ + int i; + + for (i = 0; i < MAP__NR_TYPES; i++) { + machine->vmlinux_maps[i]->start = event->mmap.start; + machine->vmlinux_maps[i]->end = (event->mmap.start + + event->mmap.len); + /* + * Be a bit paranoid here, some perf.data file came with + * a zero sized synthesized MMAP event for the kernel. + */ + if (machine->vmlinux_maps[i]->end == 0) + machine->vmlinux_maps[i]->end = ~0ULL; + } +} + +static int machine__process_kernel_mmap_event(struct machine *machine, + union perf_event *event) +{ + struct map *map; + char kmmap_prefix[PATH_MAX]; + enum dso_kernel_type kernel_type; + bool is_kernel_mmap; + + machine__mmap_name(machine, kmmap_prefix, sizeof(kmmap_prefix)); + if (machine__is_host(machine)) + kernel_type = DSO_TYPE_KERNEL; + else + kernel_type = DSO_TYPE_GUEST_KERNEL; + + is_kernel_mmap = memcmp(event->mmap.filename, + kmmap_prefix, + strlen(kmmap_prefix) - 1) == 0; + if (event->mmap.filename[0] == '/' || + (!is_kernel_mmap && event->mmap.filename[0] == '[')) { + + char short_module_name[1024]; + char *name, *dot; + + if (event->mmap.filename[0] == '/') { + name = strrchr(event->mmap.filename, '/'); + if (name == NULL) + goto out_problem; + + ++name; /* skip / */ + dot = strrchr(name, '.'); + if (dot == NULL) + goto out_problem; + snprintf(short_module_name, sizeof(short_module_name), + "[%.*s]", (int)(dot - name), name); + strxfrchar(short_module_name, '-', '_'); + } else + strcpy(short_module_name, event->mmap.filename); + + map = machine__new_module(machine, event->mmap.start, + event->mmap.filename); + if (map == NULL) + goto out_problem; + + name = strdup(short_module_name); + if (name == NULL) + goto out_problem; + + map->dso->short_name = name; + map->dso->sname_alloc = 1; + map->end = map->start + event->mmap.len; + } else if (is_kernel_mmap) { + const char *symbol_name = (event->mmap.filename + + strlen(kmmap_prefix)); + /* + * Should be there already, from the build-id table in + * the header. + */ + struct dso *kernel = __dsos__findnew(&machine->kernel_dsos, + kmmap_prefix); + if (kernel == NULL) + goto out_problem; + + kernel->kernel = kernel_type; + if (__machine__create_kernel_maps(machine, kernel) < 0) + goto out_problem; + + machine__set_kernel_mmap_len(machine, event); + + /* + * Avoid using a zero address (kptr_restrict) for the ref reloc + * symbol. Effectively having zero here means that at record + * time /proc/sys/kernel/kptr_restrict was non zero. + */ + if (event->mmap.pgoff != 0) { + maps__set_kallsyms_ref_reloc_sym(machine->vmlinux_maps, + symbol_name, + event->mmap.pgoff); + } + + if (machine__is_default_guest(machine)) { + /* + * preload dso of guest kernel and modules + */ + dso__load(kernel, machine->vmlinux_maps[MAP__FUNCTION], + NULL); + } + } + return 0; +out_problem: + return -1; +} + +int machine__process_mmap_event(struct machine *machine, union perf_event *event) +{ + u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; + struct thread *thread; + struct map *map; + int ret = 0; + + if (dump_trace) + perf_event__fprintf_mmap(event, stdout); + + if (cpumode == PERF_RECORD_MISC_GUEST_KERNEL || + cpumode == PERF_RECORD_MISC_KERNEL) { + ret = machine__process_kernel_mmap_event(machine, event); + if (ret < 0) + goto out_problem; + return 0; + } + + thread = machine__findnew_thread(machine, event->mmap.pid); + if (thread == NULL) + goto out_problem; + map = map__new(&machine->user_dsos, event->mmap.start, + event->mmap.len, event->mmap.pgoff, + event->mmap.pid, event->mmap.filename, + MAP__FUNCTION); + if (map == NULL) + goto out_problem; + + thread__insert_map(thread, map); + return 0; + +out_problem: + dump_printf("problem processing PERF_RECORD_MMAP, skipping event.\n"); + return 0; +} + +int machine__process_fork_event(struct machine *machine, union perf_event *event) +{ + struct thread *thread = machine__findnew_thread(machine, event->fork.tid); + struct thread *parent = machine__findnew_thread(machine, event->fork.ptid); + + if (dump_trace) + perf_event__fprintf_task(event, stdout); + + if (thread == NULL || parent == NULL || + thread__fork(thread, parent) < 0) { + dump_printf("problem processing PERF_RECORD_FORK, skipping event.\n"); + return -1; + } + + return 0; +} + +int machine__process_exit_event(struct machine *machine, union perf_event *event) +{ + struct thread *thread = machine__find_thread(machine, event->fork.tid); + + if (dump_trace) + perf_event__fprintf_task(event, stdout); + + if (thread != NULL) + machine__remove_thread(machine, thread); + + return 0; +} + +int machine__process_event(struct machine *machine, union perf_event *event) +{ + int ret; + + switch (event->header.type) { + case PERF_RECORD_COMM: + ret = machine__process_comm_event(machine, event); break; + case PERF_RECORD_MMAP: + ret = machine__process_mmap_event(machine, event); break; + case PERF_RECORD_FORK: + ret = machine__process_fork_event(machine, event); break; + case PERF_RECORD_EXIT: + ret = machine__process_exit_event(machine, event); break; + case PERF_RECORD_LOST: + ret = machine__process_lost_event(machine, event); break; + default: + ret = -1; + break; + } + + return ret; +} diff --git a/tools/perf/util/machine.h b/tools/perf/util/machine.h new file mode 100644 index 000000000000..b7cde7467d55 --- /dev/null +++ b/tools/perf/util/machine.h @@ -0,0 +1,148 @@ +#ifndef __PERF_MACHINE_H +#define __PERF_MACHINE_H + +#include <sys/types.h> +#include <linux/rbtree.h> +#include "map.h" + +struct branch_stack; +struct perf_evsel; +struct perf_sample; +struct symbol; +struct thread; +union perf_event; + +/* Native host kernel uses -1 as pid index in machine */ +#define HOST_KERNEL_ID (-1) +#define DEFAULT_GUEST_KERNEL_ID (0) + +struct machine { + struct rb_node rb_node; + pid_t pid; + u16 id_hdr_size; + char *root_dir; + struct rb_root threads; + struct list_head dead_threads; + struct thread *last_match; + struct list_head user_dsos; + struct list_head kernel_dsos; + struct map_groups kmaps; + struct map *vmlinux_maps[MAP__NR_TYPES]; +}; + +static inline +struct map *machine__kernel_map(struct machine *machine, enum map_type type) +{ + return machine->vmlinux_maps[type]; +} + +struct thread *machine__find_thread(struct machine *machine, pid_t pid); + +int machine__process_comm_event(struct machine *machine, union perf_event *event); +int machine__process_exit_event(struct machine *machine, union perf_event *event); +int machine__process_fork_event(struct machine *machine, union perf_event *event); +int machine__process_lost_event(struct machine *machine, union perf_event *event); +int machine__process_mmap_event(struct machine *machine, union perf_event *event); +int machine__process_event(struct machine *machine, union perf_event *event); + +typedef void (*machine__process_t)(struct machine *machine, void *data); + +void machines__process(struct rb_root *machines, + machine__process_t process, void *data); + +struct machine *machines__add(struct rb_root *machines, pid_t pid, + const char *root_dir); +struct machine *machines__find_host(struct rb_root *machines); +struct machine *machines__find(struct rb_root *machines, pid_t pid); +struct machine *machines__findnew(struct rb_root *machines, pid_t pid); + +void machines__set_id_hdr_size(struct rb_root *machines, u16 id_hdr_size); +char *machine__mmap_name(struct machine *machine, char *bf, size_t size); + +int machine__init(struct machine *machine, const char *root_dir, pid_t pid); +void machine__exit(struct machine *machine); +void machine__delete(struct machine *machine); + + +struct branch_info *machine__resolve_bstack(struct machine *machine, + struct thread *thread, + struct branch_stack *bs); +int machine__resolve_callchain(struct machine *machine, + struct perf_evsel *evsel, + struct thread *thread, + struct perf_sample *sample, + struct symbol **parent); + +/* + * Default guest kernel is defined by parameter --guestkallsyms + * and --guestmodules + */ +static inline bool machine__is_default_guest(struct machine *machine) +{ + return machine ? machine->pid == DEFAULT_GUEST_KERNEL_ID : false; +} + +static inline bool machine__is_host(struct machine *machine) +{ + return machine ? machine->pid == HOST_KERNEL_ID : false; +} + +struct thread *machine__findnew_thread(struct machine *machine, pid_t pid); +void machine__remove_thread(struct machine *machine, struct thread *th); + +size_t machine__fprintf(struct machine *machine, FILE *fp); + +static inline +struct symbol *machine__find_kernel_symbol(struct machine *machine, + enum map_type type, u64 addr, + struct map **mapp, + symbol_filter_t filter) +{ + return map_groups__find_symbol(&machine->kmaps, type, addr, + mapp, filter); +} + +static inline +struct symbol *machine__find_kernel_function(struct machine *machine, u64 addr, + struct map **mapp, + symbol_filter_t filter) +{ + return machine__find_kernel_symbol(machine, MAP__FUNCTION, addr, + mapp, filter); +} + +static inline +struct symbol *machine__find_kernel_function_by_name(struct machine *machine, + const char *name, + struct map **mapp, + symbol_filter_t filter) +{ + return map_groups__find_function_by_name(&machine->kmaps, name, mapp, + filter); +} + +struct map *machine__new_module(struct machine *machine, u64 start, + const char *filename); + +int machine__load_kallsyms(struct machine *machine, const char *filename, + enum map_type type, symbol_filter_t filter); +int machine__load_vmlinux_path(struct machine *machine, enum map_type type, + symbol_filter_t filter); + +size_t machine__fprintf_dsos_buildid(struct machine *machine, + FILE *fp, bool with_hits); +size_t machines__fprintf_dsos(struct rb_root *machines, FILE *fp); +size_t machines__fprintf_dsos_buildid(struct rb_root *machines, + FILE *fp, bool with_hits); + +void machine__destroy_kernel_maps(struct machine *machine); +int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel); +int machine__create_kernel_maps(struct machine *machine); + +int machines__create_kernel_maps(struct rb_root *machines, pid_t pid); +int machines__create_guest_kernel_maps(struct rb_root *machines); +void machines__destroy_guest_kernel_maps(struct rb_root *machines); + +size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp); + +#endif /* __PERF_MACHINE_H */ diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c index 6109fa4d14cd..0328d45c4f2a 100644 --- a/tools/perf/util/map.c +++ b/tools/perf/util/map.c @@ -10,6 +10,7 @@ #include "thread.h" #include "strlist.h" #include "vdso.h" +#include "build-id.h" const char *map_type__name[MAP__NR_TYPES] = { [MAP__FUNCTION] = "Functions", @@ -23,7 +24,7 @@ static inline int is_anon_memory(const char *filename) static inline int is_no_dso_memory(const char *filename) { - return !strcmp(filename, "[stack]") || + return !strncmp(filename, "[stack", 6) || !strcmp(filename, "[heap]"); } @@ -589,182 +590,3 @@ struct map *maps__find(struct rb_root *maps, u64 ip) return NULL; } - -int machine__init(struct machine *self, const char *root_dir, pid_t pid) -{ - map_groups__init(&self->kmaps); - RB_CLEAR_NODE(&self->rb_node); - INIT_LIST_HEAD(&self->user_dsos); - INIT_LIST_HEAD(&self->kernel_dsos); - - self->threads = RB_ROOT; - INIT_LIST_HEAD(&self->dead_threads); - self->last_match = NULL; - - self->kmaps.machine = self; - self->pid = pid; - self->root_dir = strdup(root_dir); - if (self->root_dir == NULL) - return -ENOMEM; - - if (pid != HOST_KERNEL_ID) { - struct thread *thread = machine__findnew_thread(self, pid); - char comm[64]; - - if (thread == NULL) - return -ENOMEM; - - snprintf(comm, sizeof(comm), "[guest/%d]", pid); - thread__set_comm(thread, comm); - } - - return 0; -} - -static void dsos__delete(struct list_head *self) -{ - struct dso *pos, *n; - - list_for_each_entry_safe(pos, n, self, node) { - list_del(&pos->node); - dso__delete(pos); - } -} - -void machine__exit(struct machine *self) -{ - map_groups__exit(&self->kmaps); - dsos__delete(&self->user_dsos); - dsos__delete(&self->kernel_dsos); - free(self->root_dir); - self->root_dir = NULL; -} - -void machine__delete(struct machine *self) -{ - machine__exit(self); - free(self); -} - -struct machine *machines__add(struct rb_root *self, pid_t pid, - const char *root_dir) -{ - struct rb_node **p = &self->rb_node; - struct rb_node *parent = NULL; - struct machine *pos, *machine = malloc(sizeof(*machine)); - - if (!machine) - return NULL; - - if (machine__init(machine, root_dir, pid) != 0) { - free(machine); - return NULL; - } - - while (*p != NULL) { - parent = *p; - pos = rb_entry(parent, struct machine, rb_node); - if (pid < pos->pid) - p = &(*p)->rb_left; - else - p = &(*p)->rb_right; - } - - rb_link_node(&machine->rb_node, parent, p); - rb_insert_color(&machine->rb_node, self); - - return machine; -} - -struct machine *machines__find(struct rb_root *self, pid_t pid) -{ - struct rb_node **p = &self->rb_node; - struct rb_node *parent = NULL; - struct machine *machine; - struct machine *default_machine = NULL; - - while (*p != NULL) { - parent = *p; - machine = rb_entry(parent, struct machine, rb_node); - if (pid < machine->pid) - p = &(*p)->rb_left; - else if (pid > machine->pid) - p = &(*p)->rb_right; - else - return machine; - if (!machine->pid) - default_machine = machine; - } - - return default_machine; -} - -struct machine *machines__findnew(struct rb_root *self, pid_t pid) -{ - char path[PATH_MAX]; - const char *root_dir = ""; - struct machine *machine = machines__find(self, pid); - - if (machine && (machine->pid == pid)) - goto out; - - if ((pid != HOST_KERNEL_ID) && - (pid != DEFAULT_GUEST_KERNEL_ID) && - (symbol_conf.guestmount)) { - sprintf(path, "%s/%d", symbol_conf.guestmount, pid); - if (access(path, R_OK)) { - static struct strlist *seen; - - if (!seen) - seen = strlist__new(true, NULL); - - if (!strlist__has_entry(seen, path)) { - pr_err("Can't access file %s\n", path); - strlist__add(seen, path); - } - machine = NULL; - goto out; - } - root_dir = path; - } - - machine = machines__add(self, pid, root_dir); - -out: - return machine; -} - -void machines__process(struct rb_root *self, machine__process_t process, void *data) -{ - struct rb_node *nd; - - for (nd = rb_first(self); nd; nd = rb_next(nd)) { - struct machine *pos = rb_entry(nd, struct machine, rb_node); - process(pos, data); - } -} - -char *machine__mmap_name(struct machine *self, char *bf, size_t size) -{ - if (machine__is_host(self)) - snprintf(bf, size, "[%s]", "kernel.kallsyms"); - else if (machine__is_default_guest(self)) - snprintf(bf, size, "[%s]", "guest.kernel.kallsyms"); - else - snprintf(bf, size, "[%s.%d]", "guest.kernel.kallsyms", self->pid); - - return bf; -} - -void machines__set_id_hdr_size(struct rb_root *machines, u16 id_hdr_size) -{ - struct rb_node *node; - struct machine *machine; - - for (node = rb_first(machines); node; node = rb_next(node)) { - machine = rb_entry(node, struct machine, rb_node); - machine->id_hdr_size = id_hdr_size; - } - - return; -} diff --git a/tools/perf/util/map.h b/tools/perf/util/map.h index d2250fc97e25..bcb39e2a6965 100644 --- a/tools/perf/util/map.h +++ b/tools/perf/util/map.h @@ -57,30 +57,6 @@ struct map_groups { struct machine *machine; }; -/* Native host kernel uses -1 as pid index in machine */ -#define HOST_KERNEL_ID (-1) -#define DEFAULT_GUEST_KERNEL_ID (0) - -struct machine { - struct rb_node rb_node; - pid_t pid; - u16 id_hdr_size; - char *root_dir; - struct rb_root threads; - struct list_head dead_threads; - struct thread *last_match; - struct list_head user_dsos; - struct list_head kernel_dsos; - struct map_groups kmaps; - struct map *vmlinux_maps[MAP__NR_TYPES]; -}; - -static inline -struct map *machine__kernel_map(struct machine *self, enum map_type type) -{ - return self->vmlinux_maps[type]; -} - static inline struct kmap *map__kmap(struct map *self) { return (struct kmap *)(self + 1); @@ -143,44 +119,9 @@ int map_groups__clone(struct map_groups *mg, size_t map_groups__fprintf(struct map_groups *mg, int verbose, FILE *fp); size_t map_groups__fprintf_maps(struct map_groups *mg, int verbose, FILE *fp); -typedef void (*machine__process_t)(struct machine *self, void *data); - -void machines__process(struct rb_root *self, machine__process_t process, void *data); -struct machine *machines__add(struct rb_root *self, pid_t pid, - const char *root_dir); -struct machine *machines__find_host(struct rb_root *self); -struct machine *machines__find(struct rb_root *self, pid_t pid); -struct machine *machines__findnew(struct rb_root *self, pid_t pid); -void machines__set_id_hdr_size(struct rb_root *self, u16 id_hdr_size); -char *machine__mmap_name(struct machine *self, char *bf, size_t size); -int machine__init(struct machine *self, const char *root_dir, pid_t pid); -void machine__exit(struct machine *self); -void machine__delete(struct machine *self); - -struct perf_evsel; -struct perf_sample; -int machine__resolve_callchain(struct machine *machine, - struct perf_evsel *evsel, - struct thread *thread, - struct perf_sample *sample, - struct symbol **parent); int maps__set_kallsyms_ref_reloc_sym(struct map **maps, const char *symbol_name, u64 addr); -/* - * Default guest kernel is defined by parameter --guestkallsyms - * and --guestmodules - */ -static inline bool machine__is_default_guest(struct machine *self) -{ - return self ? self->pid == DEFAULT_GUEST_KERNEL_ID : false; -} - -static inline bool machine__is_host(struct machine *self) -{ - return self ? self->pid == HOST_KERNEL_ID : false; -} - static inline void map_groups__insert(struct map_groups *mg, struct map *map) { maps__insert(&mg->maps[map->type], map); @@ -209,29 +150,6 @@ struct symbol *map_groups__find_symbol_by_name(struct map_groups *mg, struct map **mapp, symbol_filter_t filter); - -struct thread *machine__findnew_thread(struct machine *machine, pid_t pid); -void machine__remove_thread(struct machine *machine, struct thread *th); - -size_t machine__fprintf(struct machine *machine, FILE *fp); - -static inline -struct symbol *machine__find_kernel_symbol(struct machine *self, - enum map_type type, u64 addr, - struct map **mapp, - symbol_filter_t filter) -{ - return map_groups__find_symbol(&self->kmaps, type, addr, mapp, filter); -} - -static inline -struct symbol *machine__find_kernel_function(struct machine *self, u64 addr, - struct map **mapp, - symbol_filter_t filter) -{ - return machine__find_kernel_symbol(self, MAP__FUNCTION, addr, mapp, filter); -} - static inline struct symbol *map_groups__find_function_by_name(struct map_groups *mg, const char *name, struct map **mapp, @@ -240,22 +158,11 @@ struct symbol *map_groups__find_function_by_name(struct map_groups *mg, return map_groups__find_symbol_by_name(mg, MAP__FUNCTION, name, mapp, filter); } -static inline -struct symbol *machine__find_kernel_function_by_name(struct machine *self, - const char *name, - struct map **mapp, - symbol_filter_t filter) -{ - return map_groups__find_function_by_name(&self->kmaps, name, mapp, - filter); -} - int map_groups__fixup_overlappings(struct map_groups *mg, struct map *map, int verbose, FILE *fp); struct map *map_groups__find_by_name(struct map_groups *mg, enum map_type type, const char *name); -struct map *machine__new_module(struct machine *self, u64 start, const char *filename); void map_groups__flush(struct map_groups *mg); diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index 75c7b0fca6d9..2d8d53bec17e 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -1,4 +1,4 @@ -#include "../../../include/linux/hw_breakpoint.h" +#include <linux/hw_breakpoint.h> #include "util.h" #include "../perf.h" #include "evlist.h" @@ -722,6 +722,27 @@ static int get_event_modifier(struct event_modifier *mod, char *str, return 0; } +/* + * Basic modifier sanity check to validate it contains only one + * instance of any modifier (apart from 'p') present. + */ +static int check_modifier(char *str) +{ + char *p = str; + + /* The sizeof includes 0 byte as well. */ + if (strlen(str) > (sizeof("ukhGHppp") - 1)) + return -1; + + while (*p) { + if (*p != 'p' && strchr(p + 1, *p)) + return -1; + p++; + } + + return 0; +} + int parse_events__modifier_event(struct list_head *list, char *str, bool add) { struct perf_evsel *evsel; @@ -730,6 +751,9 @@ int parse_events__modifier_event(struct list_head *list, char *str, bool add) if (str == NULL) return 0; + if (check_modifier(str)) + return -EINVAL; + if (!add && get_event_modifier(&mod, str, NULL)) return -EINVAL; @@ -827,8 +851,6 @@ int parse_events(struct perf_evlist *evlist, const char *str, * Both call perf_evlist__delete in case of error, so we dont * need to bother. */ - fprintf(stderr, "invalid or unsupported event: '%s'\n", str); - fprintf(stderr, "Run 'perf list' for a list of valid events\n"); return ret; } @@ -836,7 +858,13 @@ int parse_events_option(const struct option *opt, const char *str, int unset __maybe_unused) { struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; - return parse_events(evlist, str, unset); + int ret = parse_events(evlist, str, unset); + + if (ret) { + fprintf(stderr, "invalid or unsupported event: '%s'\n", str); + fprintf(stderr, "Run 'perf list' for a list of valid events\n"); + } + return ret; } int parse_filter(const struct option *opt, const char *str, @@ -1081,7 +1109,7 @@ void print_events(const char *event_glob, bool name_only) printf(" %-50s [%s]\n", "cpu/t1=v1[,t2=v2,t3 ...]/modifier", event_type_descriptors[PERF_TYPE_RAW]); - printf(" (see 'perf list --help' on how to encode it)\n"); + printf(" (see 'man perf-list' on how to encode it)\n"); printf("\n"); printf(" %-50s [%s]\n", @@ -1142,6 +1170,24 @@ int parse_events__term_str(struct parse_events__term **term, config, str, 0); } +int parse_events__term_sym_hw(struct parse_events__term **term, + char *config, unsigned idx) +{ + struct event_symbol *sym; + + BUG_ON(idx >= PERF_COUNT_HW_MAX); + sym = &event_symbols_hw[idx]; + + if (config) + return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, + PARSE_EVENTS__TERM_TYPE_USER, config, + (char *) sym->symbol, 0); + else + return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, + PARSE_EVENTS__TERM_TYPE_USER, + (char *) "event", (char *) sym->symbol, 0); +} + int parse_events__term_clone(struct parse_events__term **new, struct parse_events__term *term) { diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h index 839230ceb18b..b7af80b8bdda 100644 --- a/tools/perf/util/parse-events.h +++ b/tools/perf/util/parse-events.h @@ -7,7 +7,7 @@ #include <linux/list.h> #include <stdbool.h> #include "types.h" -#include "../../../include/uapi/linux/perf_event.h" +#include <linux/perf_event.h> #include "types.h" struct list_head; @@ -76,6 +76,8 @@ int parse_events__term_num(struct parse_events__term **_term, int type_term, char *config, u64 num); int parse_events__term_str(struct parse_events__term **_term, int type_term, char *config, char *str); +int parse_events__term_sym_hw(struct parse_events__term **term, + char *config, unsigned idx); int parse_events__term_clone(struct parse_events__term **new, struct parse_events__term *term); void parse_events__free_terms(struct list_head *terms); @@ -97,7 +99,6 @@ void parse_events__set_leader(char *name, struct list_head *list); void parse_events_update_lists(struct list_head *list_event, struct list_head *list_all); void parse_events_error(void *data, void *scanner, char const *msg); -int parse_events__test(void); void print_events(const char *event_glob, bool name_only); void print_events_type(u8 type); diff --git a/tools/perf/util/parse-events.l b/tools/perf/util/parse-events.l index c87efc12579d..e9d1134c2c68 100644 --- a/tools/perf/util/parse-events.l +++ b/tools/perf/util/parse-events.l @@ -81,7 +81,8 @@ num_dec [0-9]+ num_hex 0x[a-fA-F0-9]+ num_raw_hex [a-fA-F0-9]+ name [a-zA-Z_*?][a-zA-Z0-9_*?]* -modifier_event [ukhpGH]{1,8} +name_minus [a-zA-Z_*?][a-zA-Z0-9\-_*?]* +modifier_event [ukhpGH]+ modifier_bp [rwx]{1,3} %% @@ -168,6 +169,7 @@ period { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD); } branch_type { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE); } , { return ','; } "/" { BEGIN(INITIAL); return '/'; } +{name_minus} { return str(yyscanner, PE_NAME); } } mem: { BEGIN(mem); return PE_PREFIX_MEM; } diff --git a/tools/perf/util/parse-events.y b/tools/perf/util/parse-events.y index cd88209e3c58..0f9914ae6bac 100644 --- a/tools/perf/util/parse-events.y +++ b/tools/perf/util/parse-events.y @@ -352,6 +352,15 @@ PE_NAME '=' PE_VALUE $$ = term; } | +PE_NAME '=' PE_VALUE_SYM_HW +{ + struct parse_events__term *term; + int config = $3 & 255; + + ABORT_ON(parse_events__term_sym_hw(&term, $1, config)); + $$ = term; +} +| PE_NAME { struct parse_events__term *term; @@ -361,6 +370,15 @@ PE_NAME $$ = term; } | +PE_VALUE_SYM_HW +{ + struct parse_events__term *term; + int config = $1 & 255; + + ABORT_ON(parse_events__term_sym_hw(&term, NULL, config)); + $$ = term; +} +| PE_TERM '=' PE_NAME { struct parse_events__term *term; diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c index 8a2229da594f..9bdc60c6f138 100644 --- a/tools/perf/util/pmu.c +++ b/tools/perf/util/pmu.c @@ -22,7 +22,7 @@ static LIST_HEAD(pmus); * Parse & process all the sysfs attributes located under * the directory specified in 'dir' parameter. */ -static int pmu_format_parse(char *dir, struct list_head *head) +int perf_pmu__format_parse(char *dir, struct list_head *head) { struct dirent *evt_ent; DIR *format_dir; @@ -77,7 +77,7 @@ static int pmu_format(char *name, struct list_head *format) if (stat(path, &st) < 0) return 0; /* no error if format does not exist */ - if (pmu_format_parse(path, format)) + if (perf_pmu__format_parse(path, format)) return -1; return 0; @@ -164,7 +164,7 @@ static int pmu_aliases(char *name, struct list_head *head) "%s/bus/event_source/devices/%s/events", sysfs, name); if (stat(path, &st) < 0) - return -1; + return 0; /* no error if 'events' does not exist */ if (pmu_aliases_parse(path, head)) return -1; @@ -296,6 +296,9 @@ static struct perf_pmu *pmu_lookup(char *name) if (pmu_format(name, &format)) return NULL; + if (pmu_aliases(name, &aliases)) + return NULL; + if (pmu_type(name, &type)) return NULL; @@ -305,8 +308,6 @@ static struct perf_pmu *pmu_lookup(char *name) pmu->cpus = pmu_cpumask(name); - pmu_aliases(name, &aliases); - INIT_LIST_HEAD(&pmu->format); INIT_LIST_HEAD(&pmu->aliases); list_splice(&format, &pmu->format); @@ -445,8 +446,9 @@ static int pmu_config_term(struct list_head *formats, return 0; } -static int pmu_config(struct list_head *formats, struct perf_event_attr *attr, - struct list_head *head_terms) +int perf_pmu__config_terms(struct list_head *formats, + struct perf_event_attr *attr, + struct list_head *head_terms) { struct parse_events__term *term; @@ -466,7 +468,7 @@ int perf_pmu__config(struct perf_pmu *pmu, struct perf_event_attr *attr, struct list_head *head_terms) { attr->type = pmu->type; - return pmu_config(&pmu->format, attr, head_terms); + return perf_pmu__config_terms(&pmu->format, attr, head_terms); } static struct perf_pmu__alias *pmu_find_alias(struct perf_pmu *pmu, @@ -550,177 +552,3 @@ void perf_pmu__set_format(unsigned long *bits, long from, long to) for (b = from; b <= to; b++) set_bit(b, bits); } - -/* Simulated format definitions. */ -static struct test_format { - const char *name; - const char *value; -} test_formats[] = { - { "krava01", "config:0-1,62-63\n", }, - { "krava02", "config:10-17\n", }, - { "krava03", "config:5\n", }, - { "krava11", "config1:0,2,4,6,8,20-28\n", }, - { "krava12", "config1:63\n", }, - { "krava13", "config1:45-47\n", }, - { "krava21", "config2:0-3,10-13,20-23,30-33,40-43,50-53,60-63\n", }, - { "krava22", "config2:8,18,48,58\n", }, - { "krava23", "config2:28-29,38\n", }, -}; - -#define TEST_FORMATS_CNT (sizeof(test_formats) / sizeof(struct test_format)) - -/* Simulated users input. */ -static struct parse_events__term test_terms[] = { - { - .config = (char *) "krava01", - .val.num = 15, - .type_val = PARSE_EVENTS__TERM_TYPE_NUM, - .type_term = PARSE_EVENTS__TERM_TYPE_USER, - }, - { - .config = (char *) "krava02", - .val.num = 170, - .type_val = PARSE_EVENTS__TERM_TYPE_NUM, - .type_term = PARSE_EVENTS__TERM_TYPE_USER, - }, - { - .config = (char *) "krava03", - .val.num = 1, - .type_val = PARSE_EVENTS__TERM_TYPE_NUM, - .type_term = PARSE_EVENTS__TERM_TYPE_USER, - }, - { - .config = (char *) "krava11", - .val.num = 27, - .type_val = PARSE_EVENTS__TERM_TYPE_NUM, - .type_term = PARSE_EVENTS__TERM_TYPE_USER, - }, - { - .config = (char *) "krava12", - .val.num = 1, - .type_val = PARSE_EVENTS__TERM_TYPE_NUM, - .type_term = PARSE_EVENTS__TERM_TYPE_USER, - }, - { - .config = (char *) "krava13", - .val.num = 2, - .type_val = PARSE_EVENTS__TERM_TYPE_NUM, - .type_term = PARSE_EVENTS__TERM_TYPE_USER, - }, - { - .config = (char *) "krava21", - .val.num = 119, - .type_val = PARSE_EVENTS__TERM_TYPE_NUM, - .type_term = PARSE_EVENTS__TERM_TYPE_USER, - }, - { - .config = (char *) "krava22", - .val.num = 11, - .type_val = PARSE_EVENTS__TERM_TYPE_NUM, - .type_term = PARSE_EVENTS__TERM_TYPE_USER, - }, - { - .config = (char *) "krava23", - .val.num = 2, - .type_val = PARSE_EVENTS__TERM_TYPE_NUM, - .type_term = PARSE_EVENTS__TERM_TYPE_USER, - }, -}; -#define TERMS_CNT (sizeof(test_terms) / sizeof(struct parse_events__term)) - -/* - * Prepare format directory data, exported by kernel - * at /sys/bus/event_source/devices/<dev>/format. - */ -static char *test_format_dir_get(void) -{ - static char dir[PATH_MAX]; - unsigned int i; - - snprintf(dir, PATH_MAX, "/tmp/perf-pmu-test-format-XXXXXX"); - if (!mkdtemp(dir)) - return NULL; - - for (i = 0; i < TEST_FORMATS_CNT; i++) { - static char name[PATH_MAX]; - struct test_format *format = &test_formats[i]; - FILE *file; - - snprintf(name, PATH_MAX, "%s/%s", dir, format->name); - - file = fopen(name, "w"); - if (!file) - return NULL; - - if (1 != fwrite(format->value, strlen(format->value), 1, file)) - break; - - fclose(file); - } - - return dir; -} - -/* Cleanup format directory. */ -static int test_format_dir_put(char *dir) -{ - char buf[PATH_MAX]; - snprintf(buf, PATH_MAX, "rm -f %s/*\n", dir); - if (system(buf)) - return -1; - - snprintf(buf, PATH_MAX, "rmdir %s\n", dir); - return system(buf); -} - -static struct list_head *test_terms_list(void) -{ - static LIST_HEAD(terms); - unsigned int i; - - for (i = 0; i < TERMS_CNT; i++) - list_add_tail(&test_terms[i].list, &terms); - - return &terms; -} - -#undef TERMS_CNT - -int perf_pmu__test(void) -{ - char *format = test_format_dir_get(); - LIST_HEAD(formats); - struct list_head *terms = test_terms_list(); - int ret; - - if (!format) - return -EINVAL; - - do { - struct perf_event_attr attr; - - memset(&attr, 0, sizeof(attr)); - - ret = pmu_format_parse(format, &formats); - if (ret) - break; - - ret = pmu_config(&formats, &attr, terms); - if (ret) - break; - - ret = -EINVAL; - - if (attr.config != 0xc00000000002a823) - break; - if (attr.config1 != 0x8000400000000145) - break; - if (attr.config2 != 0x0400000020041d07) - break; - - ret = 0; - } while (0); - - test_format_dir_put(format); - return ret; -} diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h index 39f3abac7744..a313ed76a49a 100644 --- a/tools/perf/util/pmu.h +++ b/tools/perf/util/pmu.h @@ -2,7 +2,7 @@ #define __PMU_H #include <linux/bitops.h> -#include "../../../include/uapi/linux/perf_event.h" +#include <linux/perf_event.h> enum { PERF_PMU_FORMAT_VALUE_CONFIG, @@ -37,6 +37,9 @@ struct perf_pmu { struct perf_pmu *perf_pmu__find(char *name); int perf_pmu__config(struct perf_pmu *pmu, struct perf_event_attr *attr, struct list_head *head_terms); +int perf_pmu__config_terms(struct list_head *formats, + struct perf_event_attr *attr, + struct list_head *head_terms); int perf_pmu__check_alias(struct perf_pmu *pmu, struct list_head *head_terms); struct list_head *perf_pmu__alias(struct perf_pmu *pmu, struct list_head *head_terms); @@ -46,6 +49,7 @@ void perf_pmu_error(struct list_head *list, char *name, char const *msg); int perf_pmu__new_format(struct list_head *list, char *name, int config, unsigned long *bits); void perf_pmu__set_format(unsigned long *bits, long from, long to); +int perf_pmu__format_parse(char *dir, struct list_head *head); struct perf_pmu *perf_pmu__scan(struct perf_pmu *pmu); diff --git a/tools/perf/util/pstack.c b/tools/perf/util/pstack.c index 13d36faf64eb..daa17aeb6c63 100644 --- a/tools/perf/util/pstack.c +++ b/tools/perf/util/pstack.c @@ -17,59 +17,59 @@ struct pstack { struct pstack *pstack__new(unsigned short max_nr_entries) { - struct pstack *self = zalloc((sizeof(*self) + - max_nr_entries * sizeof(void *))); - if (self != NULL) - self->max_nr_entries = max_nr_entries; - return self; + struct pstack *pstack = zalloc((sizeof(*pstack) + + max_nr_entries * sizeof(void *))); + if (pstack != NULL) + pstack->max_nr_entries = max_nr_entries; + return pstack; } -void pstack__delete(struct pstack *self) +void pstack__delete(struct pstack *pstack) { - free(self); + free(pstack); } -bool pstack__empty(const struct pstack *self) +bool pstack__empty(const struct pstack *pstack) { - return self->top == 0; + return pstack->top == 0; } -void pstack__remove(struct pstack *self, void *key) +void pstack__remove(struct pstack *pstack, void *key) { - unsigned short i = self->top, last_index = self->top - 1; + unsigned short i = pstack->top, last_index = pstack->top - 1; while (i-- != 0) { - if (self->entries[i] == key) { + if (pstack->entries[i] == key) { if (i < last_index) - memmove(self->entries + i, - self->entries + i + 1, + memmove(pstack->entries + i, + pstack->entries + i + 1, (last_index - i) * sizeof(void *)); - --self->top; + --pstack->top; return; } } pr_err("%s: %p not on the pstack!\n", __func__, key); } -void pstack__push(struct pstack *self, void *key) +void pstack__push(struct pstack *pstack, void *key) { - if (self->top == self->max_nr_entries) { - pr_err("%s: top=%d, overflow!\n", __func__, self->top); + if (pstack->top == pstack->max_nr_entries) { + pr_err("%s: top=%d, overflow!\n", __func__, pstack->top); return; } - self->entries[self->top++] = key; + pstack->entries[pstack->top++] = key; } -void *pstack__pop(struct pstack *self) +void *pstack__pop(struct pstack *pstack) { void *ret; - if (self->top == 0) { + if (pstack->top == 0) { pr_err("%s: underflow!\n", __func__); return NULL; } - ret = self->entries[--self->top]; - self->entries[self->top] = NULL; + ret = pstack->entries[--pstack->top]; + pstack->entries[pstack->top] = NULL; return ret; } diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index 9181bf212fb9..a2657fd96837 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -1015,6 +1015,8 @@ PyMODINIT_FUNC initperf(void) pyrf_cpu_map__setup_types() < 0) return; + page_size = sysconf(_SC_PAGE_SIZE); + Py_INCREF(&pyrf_evlist__type); PyModule_AddObject(module, "evlist", (PyObject*)&pyrf_evlist__type); diff --git a/tools/perf/util/rblist.c b/tools/perf/util/rblist.c index 0171fb611004..a16cdd2625ad 100644 --- a/tools/perf/util/rblist.c +++ b/tools/perf/util/rblist.c @@ -44,6 +44,7 @@ int rblist__add_node(struct rblist *rblist, const void *new_entry) void rblist__remove_node(struct rblist *rblist, struct rb_node *rb_node) { rb_erase(rb_node, &rblist->entries); + --rblist->nr_entries; rblist->node_delete(rblist, rb_node); } @@ -87,8 +88,7 @@ void rblist__delete(struct rblist *rblist) while (next) { pos = next; next = rb_next(pos); - rb_erase(pos, &rblist->entries); - rblist->node_delete(rblist, pos); + rblist__remove_node(rblist, pos); } free(rblist); } diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c index 730c6630cba5..14683dfca2ee 100644 --- a/tools/perf/util/scripting-engines/trace-event-python.c +++ b/tools/perf/util/scripting-engines/trace-event-python.c @@ -32,7 +32,6 @@ #include "../event.h" #include "../thread.h" #include "../trace-event.h" -#include "../evsel.h" PyMODINIT_FUNC initperf_trace_context(void); diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index 8cdd23239c90..ce6f51162386 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -1375,15 +1375,13 @@ int __perf_session__process_events(struct perf_session *session, { u64 head, page_offset, file_offset, file_pos, progress_next; int err, mmap_prot, mmap_flags, map_idx = 0; - size_t page_size, mmap_size; + size_t mmap_size; char *buf, *mmaps[8]; union perf_event *event; uint32_t size; perf_tool__fill_defaults(tool); - page_size = sysconf(_SC_PAGESIZE); - page_offset = page_size * (data_offset / page_size); file_offset = page_offset; head = data_offset - page_offset; @@ -1460,6 +1458,7 @@ more: session->ordered_samples.next_flush = ULLONG_MAX; err = flush_sample_queue(session, tool); out_err: + ui_progress__finish(); perf_session__warn_about_errors(session, tool); perf_session_free_sample_buffers(session); return err; diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h index dd6426163ba6..cea133a6bdf1 100644 --- a/tools/perf/util/session.h +++ b/tools/perf/util/session.h @@ -4,10 +4,11 @@ #include "hist.h" #include "event.h" #include "header.h" +#include "machine.h" #include "symbol.h" #include "thread.h" #include <linux/rbtree.h> -#include "../../../include/uapi/linux/perf_event.h" +#include <linux/perf_event.h> struct sample_queue; struct ip_callchain; @@ -68,10 +69,6 @@ int perf_session__resolve_callchain(struct perf_session *self, struct perf_evsel struct ip_callchain *chain, struct symbol **parent); -struct branch_info *machine__resolve_bstack(struct machine *self, - struct thread *thread, - struct branch_stack *bs); - bool perf_session__has_traces(struct perf_session *self, const char *msg); void mem_bswap_64(void *src, int byte_size); diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h index 5786f323b597..b4e8c3ba559d 100644 --- a/tools/perf/util/sort.h +++ b/tools/perf/util/sort.h @@ -52,6 +52,22 @@ struct he_stat { u32 nr_events; }; +struct hist_entry_diff { + bool computed; + + /* PERF_HPP__DISPL */ + int displacement; + + /* PERF_HPP__DELTA */ + double period_ratio_delta; + + /* PERF_HPP__RATIO */ + double period_ratio; + + /* HISTC_WEIGHTED_DIFF */ + s64 wdiff; +}; + /** * struct hist_entry - histogram entry * @@ -61,12 +77,18 @@ struct he_stat { struct hist_entry { struct rb_node rb_node_in; struct rb_node rb_node; + union { + struct list_head node; + struct list_head head; + } pairs; struct he_stat stat; struct map_symbol ms; struct thread *thread; u64 ip; s32 cpu; + struct hist_entry_diff diff; + /* XXX These two should move to some tree widget lib */ u16 row_offset; u16 nr_rows; @@ -78,15 +100,30 @@ struct hist_entry { char *srcline; struct symbol *parent; unsigned long position; - union { - struct hist_entry *pair; - struct rb_root sorted_chain; - }; + struct rb_root sorted_chain; struct branch_info *branch_info; struct hists *hists; struct callchain_root callchain[0]; }; +static inline bool hist_entry__has_pairs(struct hist_entry *he) +{ + return !list_empty(&he->pairs.node); +} + +static inline struct hist_entry *hist_entry__next_pair(struct hist_entry *he) +{ + if (hist_entry__has_pairs(he)) + return list_entry(he->pairs.node.next, struct hist_entry, pairs.node); + return NULL; +} + +static inline void hist__entry_add_pair(struct hist_entry *he, + struct hist_entry *pair) +{ + list_add_tail(&he->pairs.head, &pair->pairs.node); +} + enum sort_type { SORT_PID, SORT_COMM, diff --git a/tools/perf/util/strbuf.c b/tools/perf/util/strbuf.c index 2eeb51baf077..cfa906882e2c 100644 --- a/tools/perf/util/strbuf.c +++ b/tools/perf/util/strbuf.c @@ -90,17 +90,17 @@ void strbuf_addf(struct strbuf *sb, const char *fmt, ...) if (!strbuf_avail(sb)) strbuf_grow(sb, 64); va_start(ap, fmt); - len = vscnprintf(sb->buf + sb->len, sb->alloc - sb->len, fmt, ap); + len = vsnprintf(sb->buf + sb->len, sb->alloc - sb->len, fmt, ap); va_end(ap); if (len < 0) - die("your vscnprintf is broken"); + die("your vsnprintf is broken"); if (len > strbuf_avail(sb)) { strbuf_grow(sb, len); va_start(ap, fmt); - len = vscnprintf(sb->buf + sb->len, sb->alloc - sb->len, fmt, ap); + len = vsnprintf(sb->buf + sb->len, sb->alloc - sb->len, fmt, ap); va_end(ap); if (len > strbuf_avail(sb)) { - die("this should not happen, your snprintf is broken"); + die("this should not happen, your vsnprintf is broken"); } } strbuf_setlen(sb, sb->len + len); diff --git a/tools/perf/util/string.c b/tools/perf/util/string.c index 32170590892d..346707df04b9 100644 --- a/tools/perf/util/string.c +++ b/tools/perf/util/string.c @@ -314,6 +314,24 @@ int strtailcmp(const char *s1, const char *s2) } /** + * strxfrchar - Locate and replace character in @s + * @s: The string to be searched/changed. + * @from: Source character to be replaced. + * @to: Destination character. + * + * Return pointer to the changed string. + */ +char *strxfrchar(char *s, char from, char to) +{ + char *p = s; + + while ((p = strchr(p, from)) != NULL) + *p++ = to; + + return s; +} + +/** * rtrim - Removes trailing whitespace from @s. * @s: The string to be stripped. * diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index e2e8c697cffe..295f8d4feedf 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -12,6 +12,7 @@ #include "build-id.h" #include "util.h" #include "debug.h" +#include "machine.h" #include "symbol.h" #include "strlist.h" @@ -23,7 +24,6 @@ #define KSYM_NAME_LEN 256 #endif -static void dso_cache__free(struct rb_root *root); static int dso__load_kernel_sym(struct dso *dso, struct map *map, symbol_filter_t filter); static int dso__load_guest_kernel_sym(struct dso *dso, struct map *map, @@ -56,39 +56,6 @@ static enum dso_binary_type binary_type_symtab[] = { #define DSO_BINARY_TYPE__SYMTAB_CNT ARRAY_SIZE(binary_type_symtab) -static enum dso_binary_type binary_type_data[] = { - DSO_BINARY_TYPE__BUILD_ID_CACHE, - DSO_BINARY_TYPE__SYSTEM_PATH_DSO, - DSO_BINARY_TYPE__NOT_FOUND, -}; - -#define DSO_BINARY_TYPE__DATA_CNT ARRAY_SIZE(binary_type_data) - -int dso__name_len(const struct dso *dso) -{ - if (!dso) - return strlen("[unknown]"); - if (verbose) - return dso->long_name_len; - - return dso->short_name_len; -} - -bool dso__loaded(const struct dso *dso, enum map_type type) -{ - return dso->loaded & (1 << type); -} - -bool dso__sorted_by_name(const struct dso *dso, enum map_type type) -{ - return dso->sorted_by_name & (1 << type); -} - -static void dso__set_sorted_by_name(struct dso *dso, enum map_type type) -{ - dso->sorted_by_name |= (1 << type); -} - bool symbol_type__is_a(char symbol_type, enum map_type map_type) { symbol_type = toupper(symbol_type); @@ -270,7 +237,7 @@ void symbol__delete(struct symbol *sym) free(((void *)sym) - symbol_conf.priv_size); } -static size_t symbol__fprintf(struct symbol *sym, FILE *fp) +size_t symbol__fprintf(struct symbol *sym, FILE *fp) { return fprintf(fp, " %" PRIx64 "-%" PRIx64 " %c %s\n", sym->start, sym->end, @@ -301,53 +268,7 @@ size_t symbol__fprintf_symname(const struct symbol *sym, FILE *fp) return symbol__fprintf_symname_offs(sym, NULL, fp); } -void dso__set_long_name(struct dso *dso, char *name) -{ - if (name == NULL) - return; - dso->long_name = name; - dso->long_name_len = strlen(name); -} - -static void dso__set_short_name(struct dso *dso, const char *name) -{ - if (name == NULL) - return; - dso->short_name = name; - dso->short_name_len = strlen(name); -} - -static void dso__set_basename(struct dso *dso) -{ - dso__set_short_name(dso, basename(dso->long_name)); -} - -struct dso *dso__new(const char *name) -{ - struct dso *dso = calloc(1, sizeof(*dso) + strlen(name) + 1); - - if (dso != NULL) { - int i; - strcpy(dso->name, name); - dso__set_long_name(dso, dso->name); - dso__set_short_name(dso, dso->name); - for (i = 0; i < MAP__NR_TYPES; ++i) - dso->symbols[i] = dso->symbol_names[i] = RB_ROOT; - dso->cache = RB_ROOT; - dso->symtab_type = DSO_BINARY_TYPE__NOT_FOUND; - dso->data_type = DSO_BINARY_TYPE__NOT_FOUND; - dso->loaded = 0; - dso->sorted_by_name = 0; - dso->has_build_id = 0; - dso->kernel = DSO_TYPE_USER; - dso->needs_swap = DSO_SWAP__UNSET; - INIT_LIST_HEAD(&dso->node); - } - - return dso; -} - -static void symbols__delete(struct rb_root *symbols) +void symbols__delete(struct rb_root *symbols) { struct symbol *pos; struct rb_node *next = rb_first(symbols); @@ -360,25 +281,6 @@ static void symbols__delete(struct rb_root *symbols) } } -void dso__delete(struct dso *dso) -{ - int i; - for (i = 0; i < MAP__NR_TYPES; ++i) - symbols__delete(&dso->symbols[i]); - if (dso->sname_alloc) - free((char *)dso->short_name); - if (dso->lname_alloc) - free(dso->long_name); - dso_cache__free(&dso->cache); - free(dso); -} - -void dso__set_build_id(struct dso *dso, void *build_id) -{ - memcpy(dso->build_id, build_id, sizeof(dso->build_id)); - dso->has_build_id = 1; -} - void symbols__insert(struct rb_root *symbols, struct symbol *sym) { struct rb_node **p = &symbols->rb_node; @@ -504,29 +406,6 @@ void dso__sort_by_name(struct dso *dso, enum map_type type) &dso->symbols[type]); } -int build_id__sprintf(const u8 *build_id, int len, char *bf) -{ - char *bid = bf; - const u8 *raw = build_id; - int i; - - for (i = 0; i < len; ++i) { - sprintf(bid, "%02x", *raw); - ++raw; - bid += 2; - } - - return raw - build_id; -} - -size_t dso__fprintf_buildid(struct dso *dso, FILE *fp) -{ - char sbuild_id[BUILD_ID_SIZE * 2 + 1]; - - build_id__sprintf(dso->build_id, sizeof(dso->build_id), sbuild_id); - return fprintf(fp, "%s", sbuild_id); -} - size_t dso__fprintf_symbols_by_name(struct dso *dso, enum map_type type, FILE *fp) { @@ -542,25 +421,6 @@ size_t dso__fprintf_symbols_by_name(struct dso *dso, return ret; } -size_t dso__fprintf(struct dso *dso, enum map_type type, FILE *fp) -{ - struct rb_node *nd; - size_t ret = fprintf(fp, "dso: %s (", dso->short_name); - - if (dso->short_name != dso->long_name) - ret += fprintf(fp, "%s, ", dso->long_name); - ret += fprintf(fp, "%s, %sloaded, ", map_type__name[type], - dso->loaded ? "" : "NOT "); - ret += dso__fprintf_buildid(dso, fp); - ret += fprintf(fp, ")\n"); - for (nd = rb_first(&dso->symbols[type]); nd; nd = rb_next(nd)) { - struct symbol *pos = rb_entry(nd, struct symbol, rb_node); - ret += symbol__fprintf(pos, fp); - } - - return ret; -} - int kallsyms__parse(const char *filename, void *arg, int (*process_symbol)(void *arg, const char *name, char type, u64 start)) @@ -892,136 +752,6 @@ out_failure: return -1; } -bool dso__build_id_equal(const struct dso *dso, u8 *build_id) -{ - return memcmp(dso->build_id, build_id, sizeof(dso->build_id)) == 0; -} - -bool __dsos__read_build_ids(struct list_head *head, bool with_hits) -{ - bool have_build_id = false; - struct dso *pos; - - list_for_each_entry(pos, head, node) { - if (with_hits && !pos->hit) - continue; - if (pos->has_build_id) { - have_build_id = true; - continue; - } - if (filename__read_build_id(pos->long_name, pos->build_id, - sizeof(pos->build_id)) > 0) { - have_build_id = true; - pos->has_build_id = true; - } - } - - return have_build_id; -} - -char dso__symtab_origin(const struct dso *dso) -{ - static const char origin[] = { - [DSO_BINARY_TYPE__KALLSYMS] = 'k', - [DSO_BINARY_TYPE__VMLINUX] = 'v', - [DSO_BINARY_TYPE__JAVA_JIT] = 'j', - [DSO_BINARY_TYPE__DEBUGLINK] = 'l', - [DSO_BINARY_TYPE__BUILD_ID_CACHE] = 'B', - [DSO_BINARY_TYPE__FEDORA_DEBUGINFO] = 'f', - [DSO_BINARY_TYPE__UBUNTU_DEBUGINFO] = 'u', - [DSO_BINARY_TYPE__BUILDID_DEBUGINFO] = 'b', - [DSO_BINARY_TYPE__SYSTEM_PATH_DSO] = 'd', - [DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE] = 'K', - [DSO_BINARY_TYPE__GUEST_KALLSYMS] = 'g', - [DSO_BINARY_TYPE__GUEST_KMODULE] = 'G', - [DSO_BINARY_TYPE__GUEST_VMLINUX] = 'V', - }; - - if (dso == NULL || dso->symtab_type == DSO_BINARY_TYPE__NOT_FOUND) - return '!'; - return origin[dso->symtab_type]; -} - -int dso__binary_type_file(struct dso *dso, enum dso_binary_type type, - char *root_dir, char *file, size_t size) -{ - char build_id_hex[BUILD_ID_SIZE * 2 + 1]; - int ret = 0; - - switch (type) { - case DSO_BINARY_TYPE__DEBUGLINK: { - char *debuglink; - - strncpy(file, dso->long_name, size); - debuglink = file + dso->long_name_len; - while (debuglink != file && *debuglink != '/') - debuglink--; - if (*debuglink == '/') - debuglink++; - filename__read_debuglink(dso->long_name, debuglink, - size - (debuglink - file)); - } - break; - case DSO_BINARY_TYPE__BUILD_ID_CACHE: - /* skip the locally configured cache if a symfs is given */ - if (symbol_conf.symfs[0] || - (dso__build_id_filename(dso, file, size) == NULL)) - ret = -1; - break; - - case DSO_BINARY_TYPE__FEDORA_DEBUGINFO: - snprintf(file, size, "%s/usr/lib/debug%s.debug", - symbol_conf.symfs, dso->long_name); - break; - - case DSO_BINARY_TYPE__UBUNTU_DEBUGINFO: - snprintf(file, size, "%s/usr/lib/debug%s", - symbol_conf.symfs, dso->long_name); - break; - - case DSO_BINARY_TYPE__BUILDID_DEBUGINFO: - if (!dso->has_build_id) { - ret = -1; - break; - } - - build_id__sprintf(dso->build_id, - sizeof(dso->build_id), - build_id_hex); - snprintf(file, size, - "%s/usr/lib/debug/.build-id/%.2s/%s.debug", - symbol_conf.symfs, build_id_hex, build_id_hex + 2); - break; - - case DSO_BINARY_TYPE__SYSTEM_PATH_DSO: - snprintf(file, size, "%s%s", - symbol_conf.symfs, dso->long_name); - break; - - case DSO_BINARY_TYPE__GUEST_KMODULE: - snprintf(file, size, "%s%s%s", symbol_conf.symfs, - root_dir, dso->long_name); - break; - - case DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE: - snprintf(file, size, "%s%s", symbol_conf.symfs, - dso->long_name); - break; - - default: - case DSO_BINARY_TYPE__KALLSYMS: - case DSO_BINARY_TYPE__VMLINUX: - case DSO_BINARY_TYPE__GUEST_KALLSYMS: - case DSO_BINARY_TYPE__GUEST_VMLINUX: - case DSO_BINARY_TYPE__JAVA_JIT: - case DSO_BINARY_TYPE__NOT_FOUND: - ret = -1; - break; - } - - return ret; -} - int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter) { char *name; @@ -1157,27 +887,6 @@ struct map *map_groups__find_by_name(struct map_groups *mg, return NULL; } -static int dso__kernel_module_get_build_id(struct dso *dso, - const char *root_dir) -{ - char filename[PATH_MAX]; - /* - * kernel module short names are of the form "[module]" and - * we need just "module" here. - */ - const char *name = dso->short_name + 1; - - snprintf(filename, sizeof(filename), - "%s/sys/module/%.*s/notes/.note.gnu.build-id", - root_dir, (int)strlen(name) - 1, name); - - if (sysfs__read_build_id(filename, dso->build_id, - sizeof(dso->build_id)) == 0) - dso->has_build_id = true; - - return 0; -} - static int map_groups__set_modules_path_dir(struct map_groups *mg, const char *dir_name) { @@ -1591,50 +1300,6 @@ out_try_fixup: return err; } -void dsos__add(struct list_head *head, struct dso *dso) -{ - list_add_tail(&dso->node, head); -} - -struct dso *dsos__find(struct list_head *head, const char *name) -{ - struct dso *pos; - - list_for_each_entry(pos, head, node) - if (strcmp(pos->long_name, name) == 0) - return pos; - return NULL; -} - -struct dso *__dsos__findnew(struct list_head *head, const char *name) -{ - struct dso *dso = dsos__find(head, name); - - if (!dso) { - dso = dso__new(name); - if (dso != NULL) { - dsos__add(head, dso); - dso__set_basename(dso); - } - } - - return dso; -} - -size_t __dsos__fprintf(struct list_head *head, FILE *fp) -{ - struct dso *pos; - size_t ret = 0; - - list_for_each_entry(pos, head, node) { - int i; - for (i = 0; i < MAP__NR_TYPES; ++i) - ret += dso__fprintf(pos, i, fp); - } - - return ret; -} - size_t machines__fprintf_dsos(struct rb_root *machines, FILE *fp) { struct rb_node *nd; @@ -1649,21 +1314,6 @@ size_t machines__fprintf_dsos(struct rb_root *machines, FILE *fp) return ret; } -static size_t __dsos__fprintf_buildid(struct list_head *head, FILE *fp, - bool with_hits) -{ - struct dso *pos; - size_t ret = 0; - - list_for_each_entry(pos, head, node) { - if (with_hits && !pos->hit) - continue; - ret += dso__fprintf_buildid(pos, fp); - ret += fprintf(fp, " %s\n", pos->long_name); - } - return ret; -} - size_t machine__fprintf_dsos_buildid(struct machine *machine, FILE *fp, bool with_hits) { @@ -1684,39 +1334,6 @@ size_t machines__fprintf_dsos_buildid(struct rb_root *machines, return ret; } -static struct dso* -dso__kernel_findnew(struct machine *machine, const char *name, - const char *short_name, int dso_type) -{ - /* - * The kernel dso could be created by build_id processing. - */ - struct dso *dso = __dsos__findnew(&machine->kernel_dsos, name); - - /* - * We need to run this in all cases, since during the build_id - * processing we had no idea this was the kernel dso. - */ - if (dso != NULL) { - dso__set_short_name(dso, short_name); - dso->kernel = dso_type; - } - - return dso; -} - -void dso__read_running_kernel_build_id(struct dso *dso, struct machine *machine) -{ - char path[PATH_MAX]; - - if (machine__is_default_guest(machine)) - return; - sprintf(path, "%s/sys/kernel/notes", machine->root_dir); - if (sysfs__read_build_id(path, dso->build_id, - sizeof(dso->build_id)) == 0) - dso->has_build_id = true; -} - static struct dso *machine__get_kernel(struct machine *machine) { const char *vmlinux_name = NULL; @@ -2065,49 +1682,6 @@ int machines__create_kernel_maps(struct rb_root *machines, pid_t pid) return machine__create_kernel_maps(machine); } -static int hex(char ch) -{ - if ((ch >= '0') && (ch <= '9')) - return ch - '0'; - if ((ch >= 'a') && (ch <= 'f')) - return ch - 'a' + 10; - if ((ch >= 'A') && (ch <= 'F')) - return ch - 'A' + 10; - return -1; -} - -/* - * While we find nice hex chars, build a long_val. - * Return number of chars processed. - */ -int hex2u64(const char *ptr, u64 *long_val) -{ - const char *p = ptr; - *long_val = 0; - - while (*p) { - const int hex_val = hex(*p); - - if (hex_val < 0) - break; - - *long_val = (*long_val << 4) | hex_val; - p++; - } - - return p - ptr; -} - -char *strxfrchar(char *s, char from, char to) -{ - char *p = s; - - while ((p = strchr(p, from)) != NULL) - *p++ = to; - - return s; -} - int machines__create_guest_kernel_maps(struct rb_root *machines) { int ret = 0; @@ -2202,229 +1776,3 @@ int machine__load_vmlinux_path(struct machine *machine, enum map_type type, return ret; } - -struct map *dso__new_map(const char *name) -{ - struct map *map = NULL; - struct dso *dso = dso__new(name); - - if (dso) - map = map__new2(0, dso, MAP__FUNCTION); - - return map; -} - -static int open_dso(struct dso *dso, struct machine *machine) -{ - char *root_dir = (char *) ""; - char *name; - int fd; - - name = malloc(PATH_MAX); - if (!name) - return -ENOMEM; - - if (machine) - root_dir = machine->root_dir; - - if (dso__binary_type_file(dso, dso->data_type, - root_dir, name, PATH_MAX)) { - free(name); - return -EINVAL; - } - - fd = open(name, O_RDONLY); - free(name); - return fd; -} - -int dso__data_fd(struct dso *dso, struct machine *machine) -{ - int i = 0; - - if (dso->data_type != DSO_BINARY_TYPE__NOT_FOUND) - return open_dso(dso, machine); - - do { - int fd; - - dso->data_type = binary_type_data[i++]; - - fd = open_dso(dso, machine); - if (fd >= 0) - return fd; - - } while (dso->data_type != DSO_BINARY_TYPE__NOT_FOUND); - - return -EINVAL; -} - -static void -dso_cache__free(struct rb_root *root) -{ - struct rb_node *next = rb_first(root); - - while (next) { - struct dso_cache *cache; - - cache = rb_entry(next, struct dso_cache, rb_node); - next = rb_next(&cache->rb_node); - rb_erase(&cache->rb_node, root); - free(cache); - } -} - -static struct dso_cache* -dso_cache__find(struct rb_root *root, u64 offset) -{ - struct rb_node **p = &root->rb_node; - struct rb_node *parent = NULL; - struct dso_cache *cache; - - while (*p != NULL) { - u64 end; - - parent = *p; - cache = rb_entry(parent, struct dso_cache, rb_node); - end = cache->offset + DSO__DATA_CACHE_SIZE; - - if (offset < cache->offset) - p = &(*p)->rb_left; - else if (offset >= end) - p = &(*p)->rb_right; - else - return cache; - } - return NULL; -} - -static void -dso_cache__insert(struct rb_root *root, struct dso_cache *new) -{ - struct rb_node **p = &root->rb_node; - struct rb_node *parent = NULL; - struct dso_cache *cache; - u64 offset = new->offset; - - while (*p != NULL) { - u64 end; - - parent = *p; - cache = rb_entry(parent, struct dso_cache, rb_node); - end = cache->offset + DSO__DATA_CACHE_SIZE; - - if (offset < cache->offset) - p = &(*p)->rb_left; - else if (offset >= end) - p = &(*p)->rb_right; - } - - rb_link_node(&new->rb_node, parent, p); - rb_insert_color(&new->rb_node, root); -} - -static ssize_t -dso_cache__memcpy(struct dso_cache *cache, u64 offset, - u8 *data, u64 size) -{ - u64 cache_offset = offset - cache->offset; - u64 cache_size = min(cache->size - cache_offset, size); - - memcpy(data, cache->data + cache_offset, cache_size); - return cache_size; -} - -static ssize_t -dso_cache__read(struct dso *dso, struct machine *machine, - u64 offset, u8 *data, ssize_t size) -{ - struct dso_cache *cache; - ssize_t ret; - int fd; - - fd = dso__data_fd(dso, machine); - if (fd < 0) - return -1; - - do { - u64 cache_offset; - - ret = -ENOMEM; - - cache = zalloc(sizeof(*cache) + DSO__DATA_CACHE_SIZE); - if (!cache) - break; - - cache_offset = offset & DSO__DATA_CACHE_MASK; - ret = -EINVAL; - - if (-1 == lseek(fd, cache_offset, SEEK_SET)) - break; - - ret = read(fd, cache->data, DSO__DATA_CACHE_SIZE); - if (ret <= 0) - break; - - cache->offset = cache_offset; - cache->size = ret; - dso_cache__insert(&dso->cache, cache); - - ret = dso_cache__memcpy(cache, offset, data, size); - - } while (0); - - if (ret <= 0) - free(cache); - - close(fd); - return ret; -} - -static ssize_t dso_cache_read(struct dso *dso, struct machine *machine, - u64 offset, u8 *data, ssize_t size) -{ - struct dso_cache *cache; - - cache = dso_cache__find(&dso->cache, offset); - if (cache) - return dso_cache__memcpy(cache, offset, data, size); - else - return dso_cache__read(dso, machine, offset, data, size); -} - -ssize_t dso__data_read_offset(struct dso *dso, struct machine *machine, - u64 offset, u8 *data, ssize_t size) -{ - ssize_t r = 0; - u8 *p = data; - - do { - ssize_t ret; - - ret = dso_cache_read(dso, machine, offset, p, size); - if (ret < 0) - return ret; - - /* Reached EOF, return what we have. */ - if (!ret) - break; - - BUG_ON(ret > size); - - r += ret; - p += ret; - offset += ret; - size -= ret; - - } while (size); - - return r; -} - -ssize_t dso__data_read_addr(struct dso *dso, struct map *map, - struct machine *machine, u64 addr, - u8 *data, ssize_t size) -{ - u64 offset = map->map_ip(map, addr); - return dso__data_read_offset(dso, machine, offset, data, size); -} diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h index 8b6ef7fac745..de68f98b236d 100644 --- a/tools/perf/util/symbol.h +++ b/tools/perf/util/symbol.h @@ -11,6 +11,7 @@ #include <stdio.h> #include <byteswap.h> #include <libgen.h> +#include "build-id.h" #ifdef LIBELF_SUPPORT #include <libelf.h> @@ -18,6 +19,8 @@ #include <elf.h> #endif +#include "dso.h" + #ifdef HAVE_CPLUS_DEMANGLE extern char *cplus_demangle(const char *, int); @@ -39,9 +42,6 @@ static inline char *bfd_demangle(void __maybe_unused *v, #endif #endif -int hex2u64(const char *ptr, u64 *val); -char *strxfrchar(char *s, char from, char to); - /* * libelf 0.8.x and earlier do not support ELF_C_READ_MMAP; * for newer versions we can use mmap to reduce memory usage: @@ -57,8 +57,6 @@ char *strxfrchar(char *s, char from, char to); #define DMGL_ANSI (1 << 1) /* Include const, volatile, etc */ #endif -#define BUILD_ID_SIZE 20 - /** struct symbol - symtab entry * * @ignore - resolvable but tools ignore it (e.g. idle routines) @@ -74,6 +72,7 @@ struct symbol { }; void symbol__delete(struct symbol *sym); +void symbols__delete(struct rb_root *symbols); static inline size_t symbol__size(const struct symbol *sym) { @@ -164,70 +163,6 @@ struct addr_location { s32 cpu; }; -enum dso_binary_type { - DSO_BINARY_TYPE__KALLSYMS = 0, - DSO_BINARY_TYPE__GUEST_KALLSYMS, - DSO_BINARY_TYPE__VMLINUX, - DSO_BINARY_TYPE__GUEST_VMLINUX, - DSO_BINARY_TYPE__JAVA_JIT, - DSO_BINARY_TYPE__DEBUGLINK, - DSO_BINARY_TYPE__BUILD_ID_CACHE, - DSO_BINARY_TYPE__FEDORA_DEBUGINFO, - DSO_BINARY_TYPE__UBUNTU_DEBUGINFO, - DSO_BINARY_TYPE__BUILDID_DEBUGINFO, - DSO_BINARY_TYPE__SYSTEM_PATH_DSO, - DSO_BINARY_TYPE__GUEST_KMODULE, - DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE, - DSO_BINARY_TYPE__NOT_FOUND, -}; - -enum dso_kernel_type { - DSO_TYPE_USER = 0, - DSO_TYPE_KERNEL, - DSO_TYPE_GUEST_KERNEL -}; - -enum dso_swap_type { - DSO_SWAP__UNSET, - DSO_SWAP__NO, - DSO_SWAP__YES, -}; - -#define DSO__DATA_CACHE_SIZE 4096 -#define DSO__DATA_CACHE_MASK ~(DSO__DATA_CACHE_SIZE - 1) - -struct dso_cache { - struct rb_node rb_node; - u64 offset; - u64 size; - char data[0]; -}; - -struct dso { - struct list_head node; - struct rb_root symbols[MAP__NR_TYPES]; - struct rb_root symbol_names[MAP__NR_TYPES]; - struct rb_root cache; - enum dso_kernel_type kernel; - enum dso_swap_type needs_swap; - enum dso_binary_type symtab_type; - enum dso_binary_type data_type; - u8 adjust_symbols:1; - u8 has_build_id:1; - u8 hit:1; - u8 annotate_warned:1; - u8 sname_alloc:1; - u8 lname_alloc:1; - u8 sorted_by_name; - u8 loaded; - u8 build_id[BUILD_ID_SIZE]; - const char *short_name; - char *long_name; - u16 long_name_len; - u16 short_name_len; - char name[0]; -}; - struct symsrc { char *name; int fd; @@ -258,47 +193,6 @@ int symsrc__init(struct symsrc *ss, struct dso *dso, const char *name, bool symsrc__has_symtab(struct symsrc *ss); bool symsrc__possibly_runtime(struct symsrc *ss); -#define DSO__SWAP(dso, type, val) \ -({ \ - type ____r = val; \ - BUG_ON(dso->needs_swap == DSO_SWAP__UNSET); \ - if (dso->needs_swap == DSO_SWAP__YES) { \ - switch (sizeof(____r)) { \ - case 2: \ - ____r = bswap_16(val); \ - break; \ - case 4: \ - ____r = bswap_32(val); \ - break; \ - case 8: \ - ____r = bswap_64(val); \ - break; \ - default: \ - BUG_ON(1); \ - } \ - } \ - ____r; \ -}) - -struct dso *dso__new(const char *name); -void dso__delete(struct dso *dso); - -int dso__name_len(const struct dso *dso); - -bool dso__loaded(const struct dso *dso, enum map_type type); -bool dso__sorted_by_name(const struct dso *dso, enum map_type type); - -static inline void dso__set_loaded(struct dso *dso, enum map_type type) -{ - dso->loaded |= (1 << type); -} - -void dso__sort_by_name(struct dso *dso, enum map_type type); - -void dsos__add(struct list_head *head, struct dso *dso); -struct dso *dsos__find(struct list_head *head, const char *name); -struct dso *__dsos__findnew(struct list_head *head, const char *name); - int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter); int dso__load_vmlinux(struct dso *dso, struct map *map, const char *vmlinux, symbol_filter_t filter); @@ -306,30 +200,7 @@ int dso__load_vmlinux_path(struct dso *dso, struct map *map, symbol_filter_t filter); int dso__load_kallsyms(struct dso *dso, const char *filename, struct map *map, symbol_filter_t filter); -int machine__load_kallsyms(struct machine *machine, const char *filename, - enum map_type type, symbol_filter_t filter); -int machine__load_vmlinux_path(struct machine *machine, enum map_type type, - symbol_filter_t filter); - -size_t __dsos__fprintf(struct list_head *head, FILE *fp); - -size_t machine__fprintf_dsos_buildid(struct machine *machine, - FILE *fp, bool with_hits); -size_t machines__fprintf_dsos(struct rb_root *machines, FILE *fp); -size_t machines__fprintf_dsos_buildid(struct rb_root *machines, - FILE *fp, bool with_hits); -size_t dso__fprintf_buildid(struct dso *dso, FILE *fp); -size_t dso__fprintf_symbols_by_name(struct dso *dso, - enum map_type type, FILE *fp); -size_t dso__fprintf(struct dso *dso, enum map_type type, FILE *fp); - -char dso__symtab_origin(const struct dso *dso); -void dso__set_long_name(struct dso *dso, char *name); -void dso__set_build_id(struct dso *dso, void *build_id); -bool dso__build_id_equal(const struct dso *dso, u8 *build_id); -void dso__read_running_kernel_build_id(struct dso *dso, - struct machine *machine); -struct map *dso__new_map(const char *name); + struct symbol *dso__find_symbol(struct dso *dso, enum map_type type, u64 addr); struct symbol *dso__find_symbol_by_name(struct dso *dso, enum map_type type, @@ -337,22 +208,12 @@ struct symbol *dso__find_symbol_by_name(struct dso *dso, enum map_type type, int filename__read_build_id(const char *filename, void *bf, size_t size); int sysfs__read_build_id(const char *filename, void *bf, size_t size); -bool __dsos__read_build_ids(struct list_head *head, bool with_hits); -int build_id__sprintf(const u8 *build_id, int len, char *bf); int kallsyms__parse(const char *filename, void *arg, int (*process_symbol)(void *arg, const char *name, char type, u64 start)); int filename__read_debuglink(const char *filename, char *debuglink, size_t size); -void machine__destroy_kernel_maps(struct machine *machine); -int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel); -int machine__create_kernel_maps(struct machine *machine); - -int machines__create_kernel_maps(struct rb_root *machines, pid_t pid); -int machines__create_guest_kernel_maps(struct rb_root *machines); -void machines__destroy_guest_kernel_maps(struct rb_root *machines); - int symbol__init(void); void symbol__exit(void); void symbol__elf_init(void); @@ -360,20 +221,9 @@ struct symbol *symbol__new(u64 start, u64 len, u8 binding, const char *name); size_t symbol__fprintf_symname_offs(const struct symbol *sym, const struct addr_location *al, FILE *fp); size_t symbol__fprintf_symname(const struct symbol *sym, FILE *fp); +size_t symbol__fprintf(struct symbol *sym, FILE *fp); bool symbol_type__is_a(char symbol_type, enum map_type map_type); -size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp); - -int dso__binary_type_file(struct dso *dso, enum dso_binary_type type, - char *root_dir, char *file, size_t size); - -int dso__data_fd(struct dso *dso, struct machine *machine); -ssize_t dso__data_read_offset(struct dso *dso, struct machine *machine, - u64 offset, u8 *data, ssize_t size); -ssize_t dso__data_read_addr(struct dso *dso, struct map *map, - struct machine *machine, u64 addr, - u8 *data, ssize_t size); -int dso__test_data(void); int dso__load_sym(struct dso *dso, struct map *map, struct symsrc *syms_ss, struct symsrc *runtime_ss, symbol_filter_t filter, int kmodule); diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c index 8b3e5939afb6..df59623ac763 100644 --- a/tools/perf/util/thread.c +++ b/tools/perf/util/thread.c @@ -7,7 +7,7 @@ #include "util.h" #include "debug.h" -static struct thread *thread__new(pid_t pid) +struct thread *thread__new(pid_t pid) { struct thread *self = zalloc(sizeof(*self)); @@ -60,45 +60,6 @@ static size_t thread__fprintf(struct thread *self, FILE *fp) map_groups__fprintf(&self->mg, verbose, fp); } -struct thread *machine__findnew_thread(struct machine *self, pid_t pid) -{ - struct rb_node **p = &self->threads.rb_node; - struct rb_node *parent = NULL; - struct thread *th; - - /* - * Font-end cache - PID lookups come in blocks, - * so most of the time we dont have to look up - * the full rbtree: - */ - if (self->last_match && self->last_match->pid == pid) - return self->last_match; - - while (*p != NULL) { - parent = *p; - th = rb_entry(parent, struct thread, rb_node); - - if (th->pid == pid) { - self->last_match = th; - return th; - } - - if (pid < th->pid) - p = &(*p)->rb_left; - else - p = &(*p)->rb_right; - } - - th = thread__new(pid); - if (th != NULL) { - rb_link_node(&th->rb_node, parent, p); - rb_insert_color(&th->rb_node, &self->threads); - self->last_match = th; - } - - return th; -} - void thread__insert_map(struct thread *self, struct map *map) { map_groups__fixup_overlappings(&self->mg, map, verbose, stderr); diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h index f66610b7bacf..f2fa17caa7d5 100644 --- a/tools/perf/util/thread.h +++ b/tools/perf/util/thread.h @@ -3,6 +3,7 @@ #include <linux/rbtree.h> #include <unistd.h> +#include <sys/types.h> #include "symbol.h" struct thread { @@ -22,6 +23,7 @@ struct thread { struct machine; +struct thread *thread__new(pid_t pid); void thread__delete(struct thread *self); int thread__set_comm(struct thread *self, const char *comm); diff --git a/tools/perf/util/trace-event-read.c b/tools/perf/util/trace-event-read.c index 719ed74a8565..3741572696af 100644 --- a/tools/perf/util/trace-event-read.c +++ b/tools/perf/util/trace-event-read.c @@ -47,8 +47,6 @@ int file_bigendian; int host_bigendian; static int long_size; -static unsigned long page_size; - static ssize_t calc_data_size; static bool repipe; diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c index 99664598bc1a..5906e8426cc7 100644 --- a/tools/perf/util/util.c +++ b/tools/perf/util/util.c @@ -10,6 +10,8 @@ /* * XXX We need to find a better place for these things... */ +unsigned int page_size; + bool perf_host = true; bool perf_guest = false; @@ -164,6 +166,39 @@ size_t hex_width(u64 v) return n; } +static int hex(char ch) +{ + if ((ch >= '0') && (ch <= '9')) + return ch - '0'; + if ((ch >= 'a') && (ch <= 'f')) + return ch - 'a' + 10; + if ((ch >= 'A') && (ch <= 'F')) + return ch - 'A' + 10; + return -1; +} + +/* + * While we find nice hex chars, build a long_val. + * Return number of chars processed. + */ +int hex2u64(const char *ptr, u64 *long_val) +{ + const char *p = ptr; + *long_val = 0; + + while (*p) { + const int hex_val = hex(*p); + + if (hex_val < 0) + break; + + *long_val = (*long_val << 4) | hex_val; + p++; + } + + return p - ptr; +} + /* Obtain a backtrace and print it to stdout. */ #ifdef BACKTRACE_SUPPORT void dump_stack(void) diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h index 70fa70b535b2..c2330918110c 100644 --- a/tools/perf/util/util.h +++ b/tools/perf/util/util.h @@ -198,6 +198,10 @@ static inline int has_extension(const char *filename, const char *ext) #undef tolower #undef toupper +#ifndef NSEC_PER_MSEC +#define NSEC_PER_MSEC 1000000L +#endif + extern unsigned char sane_ctype[256]; #define GIT_SPACE 0x01 #define GIT_DIGIT 0x02 @@ -236,6 +240,7 @@ void argv_free(char **argv); bool strglobmatch(const char *str, const char *pat); bool strlazymatch(const char *str, const char *pat); int strtailcmp(const char *s1, const char *s2); +char *strxfrchar(char *s, char from, char to); unsigned long convert_unit(unsigned long value, char *unit); int readn(int fd, void *buf, size_t size); @@ -258,9 +263,12 @@ bool is_power_of_2(unsigned long n) } size_t hex_width(u64 v); +int hex2u64(const char *ptr, u64 *val); char *rtrim(char *s); void dump_stack(void); +extern unsigned int page_size; + #endif diff --git a/tools/power/cpupower/.gitignore b/tools/power/cpupower/.gitignore index 8a83dd2ffc11..d42073f12609 100644 --- a/tools/power/cpupower/.gitignore +++ b/tools/power/cpupower/.gitignore @@ -20,3 +20,10 @@ utils/cpufreq-set.o utils/cpufreq-aperf.o cpupower bench/cpufreq-bench +debug/kernel/Module.symvers +debug/i386/centrino-decode +debug/i386/dump_psb +debug/i386/intel_gsic +debug/i386/powernow-k8-decode +debug/x86_64/centrino-decode +debug/x86_64/powernow-k8-decode diff --git a/tools/power/cpupower/Makefile b/tools/power/cpupower/Makefile index cf397bd26d0c..d875a74a3bdf 100644 --- a/tools/power/cpupower/Makefile +++ b/tools/power/cpupower/Makefile @@ -253,7 +253,8 @@ clean: | xargs rm -f -rm -f $(OUTPUT)cpupower -rm -f $(OUTPUT)libcpupower.so* - -rm -rf $(OUTPUT)po/*.{gmo,pot} + -rm -rf $(OUTPUT)po/*.gmo + -rm -rf $(OUTPUT)po/*.pot $(MAKE) -C bench O=$(OUTPUT) clean diff --git a/tools/power/cpupower/debug/i386/Makefile b/tools/power/cpupower/debug/i386/Makefile index 3ba158f0e287..c05cc0ac80c7 100644 --- a/tools/power/cpupower/debug/i386/Makefile +++ b/tools/power/cpupower/debug/i386/Makefile @@ -26,7 +26,10 @@ $(OUTPUT)powernow-k8-decode: powernow-k8-decode.c all: $(OUTPUT)centrino-decode $(OUTPUT)dump_psb $(OUTPUT)intel_gsic $(OUTPUT)powernow-k8-decode clean: - rm -rf $(OUTPUT){centrino-decode,dump_psb,intel_gsic,powernow-k8-decode} + rm -rf $(OUTPUT)centrino-decode + rm -rf $(OUTPUT)dump_psb + rm -rf $(OUTPUT)intel_gsic + rm -rf $(OUTPUT)powernow-k8-decode install: $(INSTALL) -d $(DESTDIR)${bindir} diff --git a/tools/power/cpupower/man/cpupower-monitor.1 b/tools/power/cpupower/man/cpupower-monitor.1 index 1141c2073719..e01c35d13b6e 100644 --- a/tools/power/cpupower/man/cpupower-monitor.1 +++ b/tools/power/cpupower/man/cpupower-monitor.1 @@ -7,11 +7,11 @@ cpupower\-monitor \- Report processor frequency and idle statistics .RB "\-l" .B cpupower monitor -.RB [ "\-m <mon1>," [ "<mon2>,..." ] ] +.RB [ -c ] [ "\-m <mon1>," [ "<mon2>,..." ] ] .RB [ "\-i seconds" ] .br .B cpupower monitor -.RB [ "\-m <mon1>," [ "<mon2>,..." ] ] +.RB [ -c ][ "\-m <mon1>," [ "<mon2>,..." ] ] .RB command .br .SH DESCRIPTION @@ -64,6 +64,17 @@ Only display specific monitors. Use the monitor string(s) provided by \-l option Measure intervall. .RE .PP +\-c +.RS 4 +Schedule the process on every core before starting and ending measuring. +This could be needed for the Idle_Stats monitor when no other MSR based +monitor (has to be run on the core that is measured) is run in parallel. +This is to wake up the processors from deeper sleep states and let the +kernel re +-account its cpuidle (C-state) information before reading the +cpuidle timings from sysfs. +.RE +.PP command .RS 4 Measure idle and frequency characteristics of an arbitrary command/workload. diff --git a/tools/power/cpupower/utils/helpers/cpuid.c b/tools/power/cpupower/utils/helpers/cpuid.c index 906895d21cce..93b0aa74ca03 100644 --- a/tools/power/cpupower/utils/helpers/cpuid.c +++ b/tools/power/cpupower/utils/helpers/cpuid.c @@ -158,6 +158,8 @@ out: cpu_info->caps |= CPUPOWER_CAP_HAS_TURBO_RATIO; case 0x2A: /* SNB */ case 0x2D: /* SNB Xeon */ + case 0x3A: /* IVB */ + case 0x3E: /* IVB Xeon */ cpu_info->caps |= CPUPOWER_CAP_HAS_TURBO_RATIO; cpu_info->caps |= CPUPOWER_CAP_IS_SNB; break; diff --git a/tools/power/cpupower/utils/helpers/helpers.h b/tools/power/cpupower/utils/helpers/helpers.h index 2eb584cf2f55..aa9e95486a2d 100644 --- a/tools/power/cpupower/utils/helpers/helpers.h +++ b/tools/power/cpupower/utils/helpers/helpers.h @@ -92,6 +92,14 @@ extern int get_cpu_info(unsigned int cpu, struct cpupower_cpu_info *cpu_info); extern struct cpupower_cpu_info cpupower_cpu_info; /* cpuid and cpuinfo helpers **************************/ +struct cpuid_core_info { + int pkg; + int core; + int cpu; + + /* flags */ + unsigned int is_online:1; +}; /* CPU topology/hierarchy parsing ******************/ struct cpupower_topology { @@ -101,18 +109,12 @@ struct cpupower_topology { unsigned int threads; /* per core */ /* Array gets mallocated with cores entries, holding per core info */ - struct { - int pkg; - int core; - int cpu; - - /* flags */ - unsigned int is_online:1; - } *core_info; + struct cpuid_core_info *core_info; }; extern int get_cpu_topology(struct cpupower_topology *cpu_top); extern void cpu_topology_release(struct cpupower_topology cpu_top); + /* CPU topology/hierarchy parsing ******************/ /* X86 ONLY ****************************************/ diff --git a/tools/power/cpupower/utils/helpers/sysfs.c b/tools/power/cpupower/utils/helpers/sysfs.c index 96e28c124b5c..38ab91629463 100644 --- a/tools/power/cpupower/utils/helpers/sysfs.c +++ b/tools/power/cpupower/utils/helpers/sysfs.c @@ -37,25 +37,6 @@ unsigned int sysfs_read_file(const char *path, char *buf, size_t buflen) return (unsigned int) numread; } -static unsigned int sysfs_write_file(const char *path, - const char *value, size_t len) -{ - int fd; - ssize_t numwrite; - - fd = open(path, O_WRONLY); - if (fd == -1) - return 0; - - numwrite = write(fd, value, len); - if (numwrite < 1) { - close(fd); - return 0; - } - close(fd); - return (unsigned int) numwrite; -} - /* * Detect whether a CPU is online * diff --git a/tools/power/cpupower/utils/helpers/topology.c b/tools/power/cpupower/utils/helpers/topology.c index 4eae2c47ba48..c13120af519b 100644 --- a/tools/power/cpupower/utils/helpers/topology.c +++ b/tools/power/cpupower/utils/helpers/topology.c @@ -20,9 +20,8 @@ #include <helpers/sysfs.h> /* returns -1 on failure, 0 on success */ -int sysfs_topology_read_file(unsigned int cpu, const char *fname) +static int sysfs_topology_read_file(unsigned int cpu, const char *fname, int *result) { - unsigned long value; char linebuf[MAX_LINE_LEN]; char *endp; char path[SYSFS_PATH_MAX]; @@ -31,20 +30,12 @@ int sysfs_topology_read_file(unsigned int cpu, const char *fname) cpu, fname); if (sysfs_read_file(path, linebuf, MAX_LINE_LEN) == 0) return -1; - value = strtoul(linebuf, &endp, 0); + *result = strtol(linebuf, &endp, 0); if (endp == linebuf || errno == ERANGE) return -1; - return value; + return 0; } -struct cpuid_core_info { - unsigned int pkg; - unsigned int thread; - unsigned int cpu; - /* flags */ - unsigned int is_online:1; -}; - static int __compare(const void *t1, const void *t2) { struct cpuid_core_info *top1 = (struct cpuid_core_info *)t1; @@ -53,9 +44,9 @@ static int __compare(const void *t1, const void *t2) return -1; else if (top1->pkg > top2->pkg) return 1; - else if (top1->thread < top2->thread) + else if (top1->core < top2->core) return -1; - else if (top1->thread > top2->thread) + else if (top1->core > top2->core) return 1; else if (top1->cpu < top2->cpu) return -1; @@ -73,28 +64,42 @@ static int __compare(const void *t1, const void *t2) */ int get_cpu_topology(struct cpupower_topology *cpu_top) { - int cpu, cpus = sysconf(_SC_NPROCESSORS_CONF); + int cpu, last_pkg, cpus = sysconf(_SC_NPROCESSORS_CONF); - cpu_top->core_info = malloc(sizeof(struct cpupower_topology) * cpus); + cpu_top->core_info = malloc(sizeof(struct cpuid_core_info) * cpus); if (cpu_top->core_info == NULL) return -ENOMEM; cpu_top->pkgs = cpu_top->cores = 0; for (cpu = 0; cpu < cpus; cpu++) { cpu_top->core_info[cpu].cpu = cpu; cpu_top->core_info[cpu].is_online = sysfs_is_cpu_online(cpu); - cpu_top->core_info[cpu].pkg = - sysfs_topology_read_file(cpu, "physical_package_id"); - if ((int)cpu_top->core_info[cpu].pkg != -1 && - cpu_top->core_info[cpu].pkg > cpu_top->pkgs) - cpu_top->pkgs = cpu_top->core_info[cpu].pkg; - cpu_top->core_info[cpu].core = - sysfs_topology_read_file(cpu, "core_id"); + if(sysfs_topology_read_file( + cpu, + "physical_package_id", + &(cpu_top->core_info[cpu].pkg)) < 0) + return -1; + if(sysfs_topology_read_file( + cpu, + "core_id", + &(cpu_top->core_info[cpu].core)) < 0) + return -1; } - cpu_top->pkgs++; qsort(cpu_top->core_info, cpus, sizeof(struct cpuid_core_info), __compare); + /* Count the number of distinct pkgs values. This works + because the primary sort of the core_info struct was just + done by pkg value. */ + last_pkg = cpu_top->core_info[0].pkg; + for(cpu = 1; cpu < cpus; cpu++) { + if(cpu_top->core_info[cpu].pkg != last_pkg) { + last_pkg = cpu_top->core_info[cpu].pkg; + cpu_top->pkgs++; + } + } + cpu_top->pkgs++; + /* Intel's cores count is not consecutively numbered, there may * be a core_id of 3, but none of 2. Assume there always is 0 * Get amount of cores by counting duplicates in a package diff --git a/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.c b/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.c index 0d6571e418db..c4bae9203a69 100644 --- a/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.c +++ b/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.c @@ -39,6 +39,7 @@ static int mode; static int interval = 1; static char *show_monitors_param; static struct cpupower_topology cpu_top; +static unsigned int wake_cpus; /* ToDo: Document this in the manpage */ static char range_abbr[RANGE_MAX] = { 'T', 'C', 'P', 'M', }; @@ -84,7 +85,7 @@ int fill_string_with_spaces(char *s, int n) void print_header(int topology_depth) { int unsigned mon; - int state, need_len, pr_mon_len; + int state, need_len; cstate_t s; char buf[128] = ""; int percent_width = 4; @@ -93,7 +94,6 @@ void print_header(int topology_depth) printf("%s|", buf); for (mon = 0; mon < avail_monitors; mon++) { - pr_mon_len = 0; need_len = monitors[mon]->hw_states_num * (percent_width + 3) - 1; if (mon != 0) { @@ -315,16 +315,28 @@ int fork_it(char **argv) int do_interval_measure(int i) { unsigned int num; + int cpu; + + if (wake_cpus) + for (cpu = 0; cpu < cpu_count; cpu++) + bind_cpu(cpu); for (num = 0; num < avail_monitors; num++) { dprint("HW C-state residency monitor: %s - States: %d\n", monitors[num]->name, monitors[num]->hw_states_num); monitors[num]->start(); } + sleep(i); + + if (wake_cpus) + for (cpu = 0; cpu < cpu_count; cpu++) + bind_cpu(cpu); + for (num = 0; num < avail_monitors; num++) monitors[num]->stop(); + return 0; } @@ -333,7 +345,7 @@ static void cmdline(int argc, char *argv[]) int opt; progname = basename(argv[0]); - while ((opt = getopt(argc, argv, "+li:m:")) != -1) { + while ((opt = getopt(argc, argv, "+lci:m:")) != -1) { switch (opt) { case 'l': if (mode) @@ -352,6 +364,9 @@ static void cmdline(int argc, char *argv[]) mode = show; show_monitors_param = optarg; break; + case 'c': + wake_cpus = 1; + break; default: print_wrong_arg_exit(); } diff --git a/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.h b/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.h index 9312ee1f2dbc..9e43f3371fbc 100644 --- a/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.h +++ b/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.h @@ -65,4 +65,21 @@ extern long long timespec_diff_us(struct timespec start, struct timespec end); "could be inaccurate\n"), mes, ov); \ } + +/* Taken over from x86info project sources -> return 0 on success */ +#include <sched.h> +#include <sys/types.h> +#include <unistd.h> +static inline int bind_cpu(int cpu) +{ + cpu_set_t set; + + if (sched_getaffinity(getpid(), sizeof(set), &set) == 0) { + CPU_ZERO(&set); + CPU_SET(cpu, &set); + return sched_setaffinity(getpid(), sizeof(set), &set); + } + return 1; +} + #endif /* __CPUIDLE_INFO_HW__ */ diff --git a/tools/power/cpupower/utils/idle_monitor/snb_idle.c b/tools/power/cpupower/utils/idle_monitor/snb_idle.c index a1bc07cd53e1..a99b43b97d6d 100644 --- a/tools/power/cpupower/utils/idle_monitor/snb_idle.c +++ b/tools/power/cpupower/utils/idle_monitor/snb_idle.c @@ -150,9 +150,15 @@ static struct cpuidle_monitor *snb_register(void) || cpupower_cpu_info.family != 6) return NULL; - if (cpupower_cpu_info.model != 0x2A - && cpupower_cpu_info.model != 0x2D) + switch (cpupower_cpu_info.model) { + case 0x2A: /* SNB */ + case 0x2D: /* SNB Xeon */ + case 0x3A: /* IVB */ + case 0x3E: /* IVB Xeon */ + break; + default: return NULL; + } is_valid = calloc(cpu_count, sizeof(int)); for (num = 0; num < SNB_CSTATE_COUNT; num++) { diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c index 2655ae9a3ad8..ea095abbe97e 100644 --- a/tools/power/x86/turbostat/turbostat.c +++ b/tools/power/x86/turbostat/turbostat.c @@ -206,8 +206,10 @@ int get_msr(int cpu, off_t offset, unsigned long long *msr) retval = pread(fd, msr, sizeof *msr, offset); close(fd); - if (retval != sizeof *msr) + if (retval != sizeof *msr) { + fprintf(stderr, "%s offset 0x%zx read failed\n", pathname, offset); return -1; + } return 0; } @@ -1101,7 +1103,9 @@ void turbostat_loop() restart: retval = for_all_cpus(get_counters, EVEN_COUNTERS); - if (retval) { + if (retval < -1) { + exit(retval); + } else if (retval == -1) { re_initialize(); goto restart; } @@ -1114,7 +1118,9 @@ restart: } sleep(interval_sec); retval = for_all_cpus(get_counters, ODD_COUNTERS); - if (retval) { + if (retval < -1) { + exit(retval); + } else if (retval == -1) { re_initialize(); goto restart; } @@ -1126,7 +1132,9 @@ restart: flush_stdout(); sleep(interval_sec); retval = for_all_cpus(get_counters, EVEN_COUNTERS); - if (retval) { + if (retval < -1) { + exit(retval); + } else if (retval == -1) { re_initialize(); goto restart; } @@ -1545,8 +1553,11 @@ void turbostat_init() int fork_it(char **argv) { pid_t child_pid; + int status; - for_all_cpus(get_counters, EVEN_COUNTERS); + status = for_all_cpus(get_counters, EVEN_COUNTERS); + if (status) + exit(status); /* clear affinity side-effect of get_counters() */ sched_setaffinity(0, cpu_present_setsize, cpu_present_set); gettimeofday(&tv_even, (struct timezone *)NULL); @@ -1556,7 +1567,6 @@ int fork_it(char **argv) /* child */ execvp(argv[0], argv); } else { - int status; /* parent */ if (child_pid == -1) { @@ -1568,7 +1578,7 @@ int fork_it(char **argv) signal(SIGQUIT, SIG_IGN); if (waitpid(child_pid, &status, 0) == -1) { perror("wait"); - exit(1); + exit(status); } } /* @@ -1585,7 +1595,7 @@ int fork_it(char **argv) fprintf(stderr, "%.6f sec\n", tv_delta.tv_sec + tv_delta.tv_usec/1000000.0); - return 0; + return status; } void cmdline(int argc, char **argv) @@ -1594,7 +1604,7 @@ void cmdline(int argc, char **argv) progname = argv[0]; - while ((opt = getopt(argc, argv, "+pPSvisc:sC:m:M:")) != -1) { + while ((opt = getopt(argc, argv, "+pPSvi:sc:sC:m:M:")) != -1) { switch (opt) { case 'p': show_core_only++; diff --git a/tools/scripts/Makefile.include b/tools/scripts/Makefile.include index 96ce80a3743b..2964b96aa55f 100644 --- a/tools/scripts/Makefile.include +++ b/tools/scripts/Makefile.include @@ -1,8 +1,11 @@ -ifeq ("$(origin O)", "command line") +ifeq ($(origin O), command line) dummy := $(if $(shell test -d $(O) || echo $(O)),$(error O=$(O) does not exist),) ABSOLUTE_O := $(shell cd $(O) ; pwd) - OUTPUT := $(ABSOLUTE_O)/ + OUTPUT := $(ABSOLUTE_O)/$(if $(subdir),$(subdir)/) COMMAND_O := O=$(ABSOLUTE_O) +ifeq ($(objtree),) + objtree := $(O) +endif endif ifneq ($(OUTPUT),) @@ -41,7 +44,16 @@ else NO_SUBDIR = : endif -QUIET_SUBDIR0 = +$(MAKE) -C # space to separate -C and subdir +# +# Define a callable command for descending to a new directory +# +# Call by doing: $(call descend,directory[,target]) +# +descend = \ + +mkdir -p $(OUTPUT)$(1) && \ + $(MAKE) $(COMMAND_O) subdir=$(if $(subdir),$(subdir)/$(1),$(1)) $(PRINT_DIR) -C $(1) $(2) + +QUIET_SUBDIR0 = +$(MAKE) $(COMMAND_O) -C # space to separate -C and subdir QUIET_SUBDIR1 = ifneq ($(findstring $(MAKEFLAGS),s),s) @@ -56,5 +68,10 @@ ifndef V $(MAKE) $(PRINT_DIR) -C $$subdir QUIET_FLEX = @echo ' ' FLEX $@; QUIET_BISON = @echo ' ' BISON $@; + + descend = \ + @echo ' ' DESCEND $(1); \ + mkdir -p $(OUTPUT)$(1) && \ + $(MAKE) $(COMMAND_O) subdir=$(if $(subdir),$(subdir)/$(1),$(1)) $(PRINT_DIR) -C $(1) $(2) endif endif diff --git a/tools/testing/selftests/vm/Makefile b/tools/testing/selftests/vm/Makefile index b336b24aa6c0..7300d0702efe 100644 --- a/tools/testing/selftests/vm/Makefile +++ b/tools/testing/selftests/vm/Makefile @@ -1,9 +1,9 @@ # Makefile for vm selftests CC = $(CROSS_COMPILE)gcc -CFLAGS = -Wall -Wextra +CFLAGS = -Wall -all: hugepage-mmap hugepage-shm map_hugetlb +all: hugepage-mmap hugepage-shm map_hugetlb thuge-gen %: %.c $(CC) $(CFLAGS) -o $@ $^ diff --git a/tools/testing/selftests/vm/thuge-gen.c b/tools/testing/selftests/vm/thuge-gen.c new file mode 100644 index 000000000000..c87957295f74 --- /dev/null +++ b/tools/testing/selftests/vm/thuge-gen.c @@ -0,0 +1,254 @@ +/* Test selecting other page sizes for mmap/shmget. + + Before running this huge pages for each huge page size must have been + reserved. + For large pages beyond MAX_ORDER (like 1GB on x86) boot options must be used. + Also shmmax must be increased. + And you need to run as root to work around some weird permissions in shm. + And nothing using huge pages should run in parallel. + When the program aborts you may need to clean up the shm segments with + ipcrm -m by hand, like this + sudo ipcs | awk '$1 == "0x00000000" {print $2}' | xargs -n1 sudo ipcrm -m + (warning this will remove all if someone else uses them) */ + +#define _GNU_SOURCE 1 +#include <sys/mman.h> +#include <stdlib.h> +#include <stdio.h> +#include <sys/ipc.h> +#include <sys/shm.h> +#include <sys/stat.h> +#include <glob.h> +#include <assert.h> +#include <unistd.h> +#include <stdarg.h> +#include <string.h> + +#define err(x) perror(x), exit(1) + +#define MAP_HUGE_2MB (21 << MAP_HUGE_SHIFT) +#define MAP_HUGE_1GB (30 << MAP_HUGE_SHIFT) +#define MAP_HUGE_SHIFT 26 +#define MAP_HUGE_MASK 0x3f +#define MAP_HUGETLB 0x40000 + +#define SHM_HUGETLB 04000 /* segment will use huge TLB pages */ +#define SHM_HUGE_SHIFT 26 +#define SHM_HUGE_MASK 0x3f +#define SHM_HUGE_2MB (21 << SHM_HUGE_SHIFT) +#define SHM_HUGE_1GB (30 << SHM_HUGE_SHIFT) + +#define NUM_PAGESIZES 5 + +#define NUM_PAGES 4 + +#define Dprintf(fmt...) // printf(fmt) + +unsigned long page_sizes[NUM_PAGESIZES]; +int num_page_sizes; + +int ilog2(unsigned long v) +{ + int l = 0; + while ((1UL << l) < v) + l++; + return l; +} + +void find_pagesizes(void) +{ + glob_t g; + int i; + glob("/sys/kernel/mm/hugepages/hugepages-*kB", 0, NULL, &g); + assert(g.gl_pathc <= NUM_PAGESIZES); + for (i = 0; i < g.gl_pathc; i++) { + sscanf(g.gl_pathv[i], "/sys/kernel/mm/hugepages/hugepages-%lukB", + &page_sizes[i]); + page_sizes[i] <<= 10; + printf("Found %luMB\n", page_sizes[i] >> 20); + } + num_page_sizes = g.gl_pathc; + globfree(&g); +} + +unsigned long default_huge_page_size(void) +{ + unsigned long hps = 0; + char *line = NULL; + size_t linelen = 0; + FILE *f = fopen("/proc/meminfo", "r"); + if (!f) + return 0; + while (getline(&line, &linelen, f) > 0) { + if (sscanf(line, "Hugepagesize: %lu kB", &hps) == 1) { + hps <<= 10; + break; + } + } + free(line); + return hps; +} + +void show(unsigned long ps) +{ + char buf[100]; + if (ps == getpagesize()) + return; + printf("%luMB: ", ps >> 20); + fflush(stdout); + snprintf(buf, sizeof buf, + "cat /sys/kernel/mm/hugepages/hugepages-%lukB/free_hugepages", + ps >> 10); + system(buf); +} + +unsigned long read_sysfs(int warn, char *fmt, ...) +{ + char *line = NULL; + size_t linelen = 0; + char buf[100]; + FILE *f; + va_list ap; + unsigned long val = 0; + + va_start(ap, fmt); + vsnprintf(buf, sizeof buf, fmt, ap); + va_end(ap); + + f = fopen(buf, "r"); + if (!f) { + if (warn) + printf("missing %s\n", buf); + return 0; + } + if (getline(&line, &linelen, f) > 0) { + sscanf(line, "%lu", &val); + } + fclose(f); + free(line); + return val; +} + +unsigned long read_free(unsigned long ps) +{ + return read_sysfs(ps != getpagesize(), + "/sys/kernel/mm/hugepages/hugepages-%lukB/free_hugepages", + ps >> 10); +} + +void test_mmap(unsigned long size, unsigned flags) +{ + char *map; + unsigned long before, after; + int err; + + before = read_free(size); + map = mmap(NULL, size*NUM_PAGES, PROT_READ|PROT_WRITE, + MAP_PRIVATE|MAP_ANONYMOUS|MAP_HUGETLB|flags, 0, 0); + + if (map == (char *)-1) err("mmap"); + memset(map, 0xff, size*NUM_PAGES); + after = read_free(size); + Dprintf("before %lu after %lu diff %ld size %lu\n", + before, after, before - after, size); + assert(size == getpagesize() || (before - after) == NUM_PAGES); + show(size); + err = munmap(map, size); + assert(!err); +} + +void test_shmget(unsigned long size, unsigned flags) +{ + int id; + unsigned long before, after; + int err; + + before = read_free(size); + id = shmget(IPC_PRIVATE, size * NUM_PAGES, IPC_CREAT|0600|flags); + if (id < 0) err("shmget"); + + struct shm_info i; + if (shmctl(id, SHM_INFO, (void *)&i) < 0) err("shmctl"); + Dprintf("alloc %lu res %lu\n", i.shm_tot, i.shm_rss); + + + Dprintf("id %d\n", id); + char *map = shmat(id, NULL, 0600); + if (map == (char*)-1) err("shmat"); + + shmctl(id, IPC_RMID, NULL); + + memset(map, 0xff, size*NUM_PAGES); + after = read_free(size); + + Dprintf("before %lu after %lu diff %ld size %lu\n", + before, after, before - after, size); + assert(size == getpagesize() || (before - after) == NUM_PAGES); + show(size); + err = shmdt(map); + assert(!err); +} + +void sanity_checks(void) +{ + int i; + unsigned long largest = getpagesize(); + + for (i = 0; i < num_page_sizes; i++) { + if (page_sizes[i] > largest) + largest = page_sizes[i]; + + if (read_free(page_sizes[i]) < NUM_PAGES) { + printf("Not enough huge pages for page size %lu MB, need %u\n", + page_sizes[i] >> 20, + NUM_PAGES); + exit(0); + } + } + + if (read_sysfs(0, "/proc/sys/kernel/shmmax") < NUM_PAGES * largest) { + printf("Please do echo %lu > /proc/sys/kernel/shmmax", largest * NUM_PAGES); + exit(0); + } + +#if defined(__x86_64__) + if (largest != 1U<<30) { + printf("No GB pages available on x86-64\n" + "Please boot with hugepagesz=1G hugepages=%d\n", NUM_PAGES); + exit(0); + } +#endif +} + +int main(void) +{ + int i; + unsigned default_hps = default_huge_page_size(); + + find_pagesizes(); + + sanity_checks(); + + for (i = 0; i < num_page_sizes; i++) { + unsigned long ps = page_sizes[i]; + int arg = ilog2(ps) << MAP_HUGE_SHIFT; + printf("Testing %luMB mmap with shift %x\n", ps >> 20, arg); + test_mmap(ps, MAP_HUGETLB | arg); + } + printf("Testing default huge mmap\n"); + test_mmap(default_hps, SHM_HUGETLB); + + puts("Testing non-huge shmget"); + test_shmget(getpagesize(), 0); + + for (i = 0; i < num_page_sizes; i++) { + unsigned long ps = page_sizes[i]; + int arg = ilog2(ps) << SHM_HUGE_SHIFT; + printf("Testing %luMB shmget with shift %x\n", ps >> 20, arg); + test_shmget(ps, SHM_HUGETLB | arg); + } + puts("default huge shmget"); + test_shmget(default_hps, SHM_HUGETLB); + + return 0; +} diff --git a/tools/virtio/virtio_test.c b/tools/virtio/virtio_test.c index e626fa553c5a..6d25dcd2e97a 100644 --- a/tools/virtio/virtio_test.c +++ b/tools/virtio/virtio_test.c @@ -232,7 +232,7 @@ const struct option longopts[] = { } }; -static void help() +static void help(void) { fprintf(stderr, "Usage: virtio_test [--help]" " [--no-indirect]" |