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-rw-r--r--tools/arch/powerpc/include/uapi/asm/kvm.h2
-rw-r--r--tools/arch/s390/include/uapi/asm/unistd.h412
-rw-r--r--tools/arch/x86/include/asm/cpufeatures.h1
-rw-r--r--tools/bpf/bpftool/main.c2
-rw-r--r--tools/bpf/bpftool/prog.c3
-rw-r--r--tools/cgroup/Makefile1
-rw-r--r--tools/gpio/Makefile2
-rw-r--r--tools/hv/Makefile1
-rw-r--r--tools/iio/Makefile2
-rw-r--r--tools/include/uapi/drm/i915_drm.h77
-rw-r--r--tools/include/uapi/linux/if_link.h1
-rw-r--r--tools/include/uapi/linux/kvm.h90
-rwxr-xr-xtools/kvm/kvm_stat/kvm_stat503
-rw-r--r--tools/kvm/kvm_stat/kvm_stat.txt4
-rw-r--r--tools/laptop/freefall/Makefile1
-rw-r--r--tools/leds/Makefile1
-rw-r--r--tools/lib/bpf/libbpf.c5
-rw-r--r--tools/perf/Documentation/perf-data.txt4
-rw-r--r--tools/perf/Makefile.perf6
-rw-r--r--tools/perf/arch/s390/Makefile10
-rwxr-xr-xtools/perf/arch/s390/entry/syscalls/mksyscalltbl18
-rw-r--r--tools/perf/arch/s390/entry/syscalls/syscall.tbl390
-rw-r--r--tools/perf/builtin-c2c.c4
-rw-r--r--tools/perf/builtin-report.c3
-rw-r--r--tools/perf/builtin-top.c150
-rwxr-xr-xtools/perf/check-headers.sh1
-rw-r--r--tools/perf/pmu-events/arch/arm64/cortex-a53/branch.json27
-rw-r--r--tools/perf/pmu-events/arch/arm64/cortex-a53/bus.json22
-rw-r--r--tools/perf/pmu-events/arch/arm64/cortex-a53/cache.json27
-rw-r--r--tools/perf/pmu-events/arch/arm64/cortex-a53/memory.json22
-rw-r--r--tools/perf/pmu-events/arch/arm64/cortex-a53/other.json32
-rw-r--r--tools/perf/pmu-events/arch/arm64/cortex-a53/pipeline.json52
-rw-r--r--tools/perf/pmu-events/arch/arm64/mapfile.csv1
-rw-r--r--tools/perf/tests/backward-ring-buffer.c7
-rwxr-xr-xtools/perf/tests/shell/trace+probe_libc_inet_pton.sh23
-rw-r--r--tools/perf/ui/browsers/hists.c38
-rw-r--r--tools/perf/ui/browsers/hists.h3
-rw-r--r--tools/perf/util/evlist.c17
-rw-r--r--tools/perf/util/evlist.h4
-rw-r--r--tools/perf/util/evsel.c12
-rw-r--r--tools/perf/util/evsel.h14
-rw-r--r--tools/perf/util/hist.h6
-rw-r--r--tools/perf/util/mmap.c141
-rw-r--r--tools/perf/util/mmap.h10
-rw-r--r--tools/perf/util/util.c24
-rw-r--r--tools/power/acpi/Makefile.config3
-rw-r--r--tools/scripts/Makefile.include18
-rw-r--r--tools/spi/Makefile2
-rw-r--r--tools/testing/selftests/bpf/.gitignore1
-rw-r--r--tools/testing/selftests/bpf/test_maps.c2
-rw-r--r--tools/testing/selftests/bpf/test_tcpbpf_kern.c1
-rw-r--r--tools/testing/selftests/bpf/test_verifier.c26
-rw-r--r--tools/testing/selftests/memfd/Makefile1
-rw-r--r--tools/testing/selftests/seccomp/seccomp_bpf.c61
-rw-r--r--tools/usb/Makefile1
-rw-r--r--tools/vm/Makefile1
-rw-r--r--tools/wmi/Makefile1
57 files changed, 1470 insertions, 824 deletions
diff --git a/tools/arch/powerpc/include/uapi/asm/kvm.h b/tools/arch/powerpc/include/uapi/asm/kvm.h
index 637b7263cb86..833ed9a16adf 100644
--- a/tools/arch/powerpc/include/uapi/asm/kvm.h
+++ b/tools/arch/powerpc/include/uapi/asm/kvm.h
@@ -632,6 +632,8 @@ struct kvm_ppc_cpu_char {
#define KVM_REG_PPC_TIDR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xbc)
#define KVM_REG_PPC_PSSCR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xbd)
+#define KVM_REG_PPC_DEC_EXPIRY (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xbe)
+
/* Transactional Memory checkpointed state:
* This is all GPRs, all VSX regs and a subset of SPRs
*/
diff --git a/tools/arch/s390/include/uapi/asm/unistd.h b/tools/arch/s390/include/uapi/asm/unistd.h
deleted file mode 100644
index 725120939051..000000000000
--- a/tools/arch/s390/include/uapi/asm/unistd.h
+++ /dev/null
@@ -1,412 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
-/*
- * S390 version
- *
- * Derived from "include/asm-i386/unistd.h"
- */
-
-#ifndef _UAPI_ASM_S390_UNISTD_H_
-#define _UAPI_ASM_S390_UNISTD_H_
-
-/*
- * This file contains the system call numbers.
- */
-
-#define __NR_exit 1
-#define __NR_fork 2
-#define __NR_read 3
-#define __NR_write 4
-#define __NR_open 5
-#define __NR_close 6
-#define __NR_restart_syscall 7
-#define __NR_creat 8
-#define __NR_link 9
-#define __NR_unlink 10
-#define __NR_execve 11
-#define __NR_chdir 12
-#define __NR_mknod 14
-#define __NR_chmod 15
-#define __NR_lseek 19
-#define __NR_getpid 20
-#define __NR_mount 21
-#define __NR_umount 22
-#define __NR_ptrace 26
-#define __NR_alarm 27
-#define __NR_pause 29
-#define __NR_utime 30
-#define __NR_access 33
-#define __NR_nice 34
-#define __NR_sync 36
-#define __NR_kill 37
-#define __NR_rename 38
-#define __NR_mkdir 39
-#define __NR_rmdir 40
-#define __NR_dup 41
-#define __NR_pipe 42
-#define __NR_times 43
-#define __NR_brk 45
-#define __NR_signal 48
-#define __NR_acct 51
-#define __NR_umount2 52
-#define __NR_ioctl 54
-#define __NR_fcntl 55
-#define __NR_setpgid 57
-#define __NR_umask 60
-#define __NR_chroot 61
-#define __NR_ustat 62
-#define __NR_dup2 63
-#define __NR_getppid 64
-#define __NR_getpgrp 65
-#define __NR_setsid 66
-#define __NR_sigaction 67
-#define __NR_sigsuspend 72
-#define __NR_sigpending 73
-#define __NR_sethostname 74
-#define __NR_setrlimit 75
-#define __NR_getrusage 77
-#define __NR_gettimeofday 78
-#define __NR_settimeofday 79
-#define __NR_symlink 83
-#define __NR_readlink 85
-#define __NR_uselib 86
-#define __NR_swapon 87
-#define __NR_reboot 88
-#define __NR_readdir 89
-#define __NR_mmap 90
-#define __NR_munmap 91
-#define __NR_truncate 92
-#define __NR_ftruncate 93
-#define __NR_fchmod 94
-#define __NR_getpriority 96
-#define __NR_setpriority 97
-#define __NR_statfs 99
-#define __NR_fstatfs 100
-#define __NR_socketcall 102
-#define __NR_syslog 103
-#define __NR_setitimer 104
-#define __NR_getitimer 105
-#define __NR_stat 106
-#define __NR_lstat 107
-#define __NR_fstat 108
-#define __NR_lookup_dcookie 110
-#define __NR_vhangup 111
-#define __NR_idle 112
-#define __NR_wait4 114
-#define __NR_swapoff 115
-#define __NR_sysinfo 116
-#define __NR_ipc 117
-#define __NR_fsync 118
-#define __NR_sigreturn 119
-#define __NR_clone 120
-#define __NR_setdomainname 121
-#define __NR_uname 122
-#define __NR_adjtimex 124
-#define __NR_mprotect 125
-#define __NR_sigprocmask 126
-#define __NR_create_module 127
-#define __NR_init_module 128
-#define __NR_delete_module 129
-#define __NR_get_kernel_syms 130
-#define __NR_quotactl 131
-#define __NR_getpgid 132
-#define __NR_fchdir 133
-#define __NR_bdflush 134
-#define __NR_sysfs 135
-#define __NR_personality 136
-#define __NR_afs_syscall 137 /* Syscall for Andrew File System */
-#define __NR_getdents 141
-#define __NR_flock 143
-#define __NR_msync 144
-#define __NR_readv 145
-#define __NR_writev 146
-#define __NR_getsid 147
-#define __NR_fdatasync 148
-#define __NR__sysctl 149
-#define __NR_mlock 150
-#define __NR_munlock 151
-#define __NR_mlockall 152
-#define __NR_munlockall 153
-#define __NR_sched_setparam 154
-#define __NR_sched_getparam 155
-#define __NR_sched_setscheduler 156
-#define __NR_sched_getscheduler 157
-#define __NR_sched_yield 158
-#define __NR_sched_get_priority_max 159
-#define __NR_sched_get_priority_min 160
-#define __NR_sched_rr_get_interval 161
-#define __NR_nanosleep 162
-#define __NR_mremap 163
-#define __NR_query_module 167
-#define __NR_poll 168
-#define __NR_nfsservctl 169
-#define __NR_prctl 172
-#define __NR_rt_sigreturn 173
-#define __NR_rt_sigaction 174
-#define __NR_rt_sigprocmask 175
-#define __NR_rt_sigpending 176
-#define __NR_rt_sigtimedwait 177
-#define __NR_rt_sigqueueinfo 178
-#define __NR_rt_sigsuspend 179
-#define __NR_pread64 180
-#define __NR_pwrite64 181
-#define __NR_getcwd 183
-#define __NR_capget 184
-#define __NR_capset 185
-#define __NR_sigaltstack 186
-#define __NR_sendfile 187
-#define __NR_getpmsg 188
-#define __NR_putpmsg 189
-#define __NR_vfork 190
-#define __NR_pivot_root 217
-#define __NR_mincore 218
-#define __NR_madvise 219
-#define __NR_getdents64 220
-#define __NR_readahead 222
-#define __NR_setxattr 224
-#define __NR_lsetxattr 225
-#define __NR_fsetxattr 226
-#define __NR_getxattr 227
-#define __NR_lgetxattr 228
-#define __NR_fgetxattr 229
-#define __NR_listxattr 230
-#define __NR_llistxattr 231
-#define __NR_flistxattr 232
-#define __NR_removexattr 233
-#define __NR_lremovexattr 234
-#define __NR_fremovexattr 235
-#define __NR_gettid 236
-#define __NR_tkill 237
-#define __NR_futex 238
-#define __NR_sched_setaffinity 239
-#define __NR_sched_getaffinity 240
-#define __NR_tgkill 241
-/* Number 242 is reserved for tux */
-#define __NR_io_setup 243
-#define __NR_io_destroy 244
-#define __NR_io_getevents 245
-#define __NR_io_submit 246
-#define __NR_io_cancel 247
-#define __NR_exit_group 248
-#define __NR_epoll_create 249
-#define __NR_epoll_ctl 250
-#define __NR_epoll_wait 251
-#define __NR_set_tid_address 252
-#define __NR_fadvise64 253
-#define __NR_timer_create 254
-#define __NR_timer_settime 255
-#define __NR_timer_gettime 256
-#define __NR_timer_getoverrun 257
-#define __NR_timer_delete 258
-#define __NR_clock_settime 259
-#define __NR_clock_gettime 260
-#define __NR_clock_getres 261
-#define __NR_clock_nanosleep 262
-/* Number 263 is reserved for vserver */
-#define __NR_statfs64 265
-#define __NR_fstatfs64 266
-#define __NR_remap_file_pages 267
-#define __NR_mbind 268
-#define __NR_get_mempolicy 269
-#define __NR_set_mempolicy 270
-#define __NR_mq_open 271
-#define __NR_mq_unlink 272
-#define __NR_mq_timedsend 273
-#define __NR_mq_timedreceive 274
-#define __NR_mq_notify 275
-#define __NR_mq_getsetattr 276
-#define __NR_kexec_load 277
-#define __NR_add_key 278
-#define __NR_request_key 279
-#define __NR_keyctl 280
-#define __NR_waitid 281
-#define __NR_ioprio_set 282
-#define __NR_ioprio_get 283
-#define __NR_inotify_init 284
-#define __NR_inotify_add_watch 285
-#define __NR_inotify_rm_watch 286
-#define __NR_migrate_pages 287
-#define __NR_openat 288
-#define __NR_mkdirat 289
-#define __NR_mknodat 290
-#define __NR_fchownat 291
-#define __NR_futimesat 292
-#define __NR_unlinkat 294
-#define __NR_renameat 295
-#define __NR_linkat 296
-#define __NR_symlinkat 297
-#define __NR_readlinkat 298
-#define __NR_fchmodat 299
-#define __NR_faccessat 300
-#define __NR_pselect6 301
-#define __NR_ppoll 302
-#define __NR_unshare 303
-#define __NR_set_robust_list 304
-#define __NR_get_robust_list 305
-#define __NR_splice 306
-#define __NR_sync_file_range 307
-#define __NR_tee 308
-#define __NR_vmsplice 309
-#define __NR_move_pages 310
-#define __NR_getcpu 311
-#define __NR_epoll_pwait 312
-#define __NR_utimes 313
-#define __NR_fallocate 314
-#define __NR_utimensat 315
-#define __NR_signalfd 316
-#define __NR_timerfd 317
-#define __NR_eventfd 318
-#define __NR_timerfd_create 319
-#define __NR_timerfd_settime 320
-#define __NR_timerfd_gettime 321
-#define __NR_signalfd4 322
-#define __NR_eventfd2 323
-#define __NR_inotify_init1 324
-#define __NR_pipe2 325
-#define __NR_dup3 326
-#define __NR_epoll_create1 327
-#define __NR_preadv 328
-#define __NR_pwritev 329
-#define __NR_rt_tgsigqueueinfo 330
-#define __NR_perf_event_open 331
-#define __NR_fanotify_init 332
-#define __NR_fanotify_mark 333
-#define __NR_prlimit64 334
-#define __NR_name_to_handle_at 335
-#define __NR_open_by_handle_at 336
-#define __NR_clock_adjtime 337
-#define __NR_syncfs 338
-#define __NR_setns 339
-#define __NR_process_vm_readv 340
-#define __NR_process_vm_writev 341
-#define __NR_s390_runtime_instr 342
-#define __NR_kcmp 343
-#define __NR_finit_module 344
-#define __NR_sched_setattr 345
-#define __NR_sched_getattr 346
-#define __NR_renameat2 347
-#define __NR_seccomp 348
-#define __NR_getrandom 349
-#define __NR_memfd_create 350
-#define __NR_bpf 351
-#define __NR_s390_pci_mmio_write 352
-#define __NR_s390_pci_mmio_read 353
-#define __NR_execveat 354
-#define __NR_userfaultfd 355
-#define __NR_membarrier 356
-#define __NR_recvmmsg 357
-#define __NR_sendmmsg 358
-#define __NR_socket 359
-#define __NR_socketpair 360
-#define __NR_bind 361
-#define __NR_connect 362
-#define __NR_listen 363
-#define __NR_accept4 364
-#define __NR_getsockopt 365
-#define __NR_setsockopt 366
-#define __NR_getsockname 367
-#define __NR_getpeername 368
-#define __NR_sendto 369
-#define __NR_sendmsg 370
-#define __NR_recvfrom 371
-#define __NR_recvmsg 372
-#define __NR_shutdown 373
-#define __NR_mlock2 374
-#define __NR_copy_file_range 375
-#define __NR_preadv2 376
-#define __NR_pwritev2 377
-#define __NR_s390_guarded_storage 378
-#define __NR_statx 379
-#define __NR_s390_sthyi 380
-#define NR_syscalls 381
-
-/*
- * There are some system calls that are not present on 64 bit, some
- * have a different name although they do the same (e.g. __NR_chown32
- * is __NR_chown on 64 bit).
- */
-#ifndef __s390x__
-
-#define __NR_time 13
-#define __NR_lchown 16
-#define __NR_setuid 23
-#define __NR_getuid 24
-#define __NR_stime 25
-#define __NR_setgid 46
-#define __NR_getgid 47
-#define __NR_geteuid 49
-#define __NR_getegid 50
-#define __NR_setreuid 70
-#define __NR_setregid 71
-#define __NR_getrlimit 76
-#define __NR_getgroups 80
-#define __NR_setgroups 81
-#define __NR_fchown 95
-#define __NR_ioperm 101
-#define __NR_setfsuid 138
-#define __NR_setfsgid 139
-#define __NR__llseek 140
-#define __NR__newselect 142
-#define __NR_setresuid 164
-#define __NR_getresuid 165
-#define __NR_setresgid 170
-#define __NR_getresgid 171
-#define __NR_chown 182
-#define __NR_ugetrlimit 191 /* SuS compliant getrlimit */
-#define __NR_mmap2 192
-#define __NR_truncate64 193
-#define __NR_ftruncate64 194
-#define __NR_stat64 195
-#define __NR_lstat64 196
-#define __NR_fstat64 197
-#define __NR_lchown32 198
-#define __NR_getuid32 199
-#define __NR_getgid32 200
-#define __NR_geteuid32 201
-#define __NR_getegid32 202
-#define __NR_setreuid32 203
-#define __NR_setregid32 204
-#define __NR_getgroups32 205
-#define __NR_setgroups32 206
-#define __NR_fchown32 207
-#define __NR_setresuid32 208
-#define __NR_getresuid32 209
-#define __NR_setresgid32 210
-#define __NR_getresgid32 211
-#define __NR_chown32 212
-#define __NR_setuid32 213
-#define __NR_setgid32 214
-#define __NR_setfsuid32 215
-#define __NR_setfsgid32 216
-#define __NR_fcntl64 221
-#define __NR_sendfile64 223
-#define __NR_fadvise64_64 264
-#define __NR_fstatat64 293
-
-#else
-
-#define __NR_select 142
-#define __NR_getrlimit 191 /* SuS compliant getrlimit */
-#define __NR_lchown 198
-#define __NR_getuid 199
-#define __NR_getgid 200
-#define __NR_geteuid 201
-#define __NR_getegid 202
-#define __NR_setreuid 203
-#define __NR_setregid 204
-#define __NR_getgroups 205
-#define __NR_setgroups 206
-#define __NR_fchown 207
-#define __NR_setresuid 208
-#define __NR_getresuid 209
-#define __NR_setresgid 210
-#define __NR_getresgid 211
-#define __NR_chown 212
-#define __NR_setuid 213
-#define __NR_setgid 214
-#define __NR_setfsuid 215
-#define __NR_setfsgid 216
-#define __NR_newfstatat 293
-
-#endif
-
-#endif /* _UAPI_ASM_S390_UNISTD_H_ */
diff --git a/tools/arch/x86/include/asm/cpufeatures.h b/tools/arch/x86/include/asm/cpufeatures.h
index 1d9199e1c2ad..0dfe4d3f74e2 100644
--- a/tools/arch/x86/include/asm/cpufeatures.h
+++ b/tools/arch/x86/include/asm/cpufeatures.h
@@ -210,6 +210,7 @@
#define X86_FEATURE_MBA ( 7*32+18) /* Memory Bandwidth Allocation */
#define X86_FEATURE_RSB_CTXSW ( 7*32+19) /* "" Fill RSB on context switches */
+#define X86_FEATURE_SEV ( 7*32+20) /* AMD Secure Encrypted Virtualization */
#define X86_FEATURE_USE_IBPB ( 7*32+21) /* "" Indirect Branch Prediction Barrier enabled */
diff --git a/tools/bpf/bpftool/main.c b/tools/bpf/bpftool/main.c
index 3a0396d87c42..185acfa229b5 100644
--- a/tools/bpf/bpftool/main.c
+++ b/tools/bpf/bpftool/main.c
@@ -244,7 +244,7 @@ static int do_batch(int argc, char **argv)
}
if (errno && errno != ENOENT) {
- perror("reading batch file failed");
+ p_err("reading batch file failed: %s", strerror(errno));
err = -1;
} else {
p_info("processed %d lines", lines);
diff --git a/tools/bpf/bpftool/prog.c b/tools/bpf/bpftool/prog.c
index e8e2baaf93c2..e549e329be82 100644
--- a/tools/bpf/bpftool/prog.c
+++ b/tools/bpf/bpftool/prog.c
@@ -774,6 +774,9 @@ static int do_dump(int argc, char **argv)
n < 0 ? strerror(errno) : "short write");
goto err_free;
}
+
+ if (json_output)
+ jsonw_null(json_wtr);
} else {
if (member_len == &info.jited_prog_len) {
const char *name = NULL;
diff --git a/tools/cgroup/Makefile b/tools/cgroup/Makefile
index 860fa151640a..ffca068e4a76 100644
--- a/tools/cgroup/Makefile
+++ b/tools/cgroup/Makefile
@@ -1,7 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
# Makefile for cgroup tools
-CC = $(CROSS_COMPILE)gcc
CFLAGS = -Wall -Wextra
all: cgroup_event_listener
diff --git a/tools/gpio/Makefile b/tools/gpio/Makefile
index 805a2c0cf4cd..240eda014b37 100644
--- a/tools/gpio/Makefile
+++ b/tools/gpio/Makefile
@@ -12,8 +12,6 @@ endif
# (this improves performance and avoids hard-to-debug behaviour);
MAKEFLAGS += -r
-CC = $(CROSS_COMPILE)gcc
-LD = $(CROSS_COMPILE)ld
CFLAGS += -O2 -Wall -g -D_GNU_SOURCE -I$(OUTPUT)include
ALL_TARGETS := lsgpio gpio-hammer gpio-event-mon
diff --git a/tools/hv/Makefile b/tools/hv/Makefile
index 1139d71fa0cf..5db5e62cebda 100644
--- a/tools/hv/Makefile
+++ b/tools/hv/Makefile
@@ -1,7 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
# Makefile for Hyper-V tools
-CC = $(CROSS_COMPILE)gcc
WARNINGS = -Wall -Wextra
CFLAGS = $(WARNINGS) -g $(shell getconf LFS_CFLAGS)
diff --git a/tools/iio/Makefile b/tools/iio/Makefile
index a08e7a47d6a3..332ed2f6c2c2 100644
--- a/tools/iio/Makefile
+++ b/tools/iio/Makefile
@@ -12,8 +12,6 @@ endif
# (this improves performance and avoids hard-to-debug behaviour);
MAKEFLAGS += -r
-CC = $(CROSS_COMPILE)gcc
-LD = $(CROSS_COMPILE)ld
CFLAGS += -O2 -Wall -g -D_GNU_SOURCE -I$(OUTPUT)include
ALL_TARGETS := iio_event_monitor lsiio iio_generic_buffer
diff --git a/tools/include/uapi/drm/i915_drm.h b/tools/include/uapi/drm/i915_drm.h
index ac3c6503ca27..536ee4febd74 100644
--- a/tools/include/uapi/drm/i915_drm.h
+++ b/tools/include/uapi/drm/i915_drm.h
@@ -86,6 +86,62 @@ enum i915_mocs_table_index {
I915_MOCS_CACHED,
};
+/*
+ * Different engines serve different roles, and there may be more than one
+ * engine serving each role. enum drm_i915_gem_engine_class provides a
+ * classification of the role of the engine, which may be used when requesting
+ * operations to be performed on a certain subset of engines, or for providing
+ * information about that group.
+ */
+enum drm_i915_gem_engine_class {
+ I915_ENGINE_CLASS_RENDER = 0,
+ I915_ENGINE_CLASS_COPY = 1,
+ I915_ENGINE_CLASS_VIDEO = 2,
+ I915_ENGINE_CLASS_VIDEO_ENHANCE = 3,
+
+ I915_ENGINE_CLASS_INVALID = -1
+};
+
+/**
+ * DOC: perf_events exposed by i915 through /sys/bus/event_sources/drivers/i915
+ *
+ */
+
+enum drm_i915_pmu_engine_sample {
+ I915_SAMPLE_BUSY = 0,
+ I915_SAMPLE_WAIT = 1,
+ I915_SAMPLE_SEMA = 2
+};
+
+#define I915_PMU_SAMPLE_BITS (4)
+#define I915_PMU_SAMPLE_MASK (0xf)
+#define I915_PMU_SAMPLE_INSTANCE_BITS (8)
+#define I915_PMU_CLASS_SHIFT \
+ (I915_PMU_SAMPLE_BITS + I915_PMU_SAMPLE_INSTANCE_BITS)
+
+#define __I915_PMU_ENGINE(class, instance, sample) \
+ ((class) << I915_PMU_CLASS_SHIFT | \
+ (instance) << I915_PMU_SAMPLE_BITS | \
+ (sample))
+
+#define I915_PMU_ENGINE_BUSY(class, instance) \
+ __I915_PMU_ENGINE(class, instance, I915_SAMPLE_BUSY)
+
+#define I915_PMU_ENGINE_WAIT(class, instance) \
+ __I915_PMU_ENGINE(class, instance, I915_SAMPLE_WAIT)
+
+#define I915_PMU_ENGINE_SEMA(class, instance) \
+ __I915_PMU_ENGINE(class, instance, I915_SAMPLE_SEMA)
+
+#define __I915_PMU_OTHER(x) (__I915_PMU_ENGINE(0xff, 0xff, 0xf) + 1 + (x))
+
+#define I915_PMU_ACTUAL_FREQUENCY __I915_PMU_OTHER(0)
+#define I915_PMU_REQUESTED_FREQUENCY __I915_PMU_OTHER(1)
+#define I915_PMU_INTERRUPTS __I915_PMU_OTHER(2)
+#define I915_PMU_RC6_RESIDENCY __I915_PMU_OTHER(3)
+
+#define I915_PMU_LAST I915_PMU_RC6_RESIDENCY
+
/* Each region is a minimum of 16k, and there are at most 255 of them.
*/
#define I915_NR_TEX_REGIONS 255 /* table size 2k - maximum due to use
@@ -450,6 +506,27 @@ typedef struct drm_i915_irq_wait {
*/
#define I915_PARAM_HAS_EXEC_FENCE_ARRAY 49
+/*
+ * Query whether every context (both per-file default and user created) is
+ * isolated (insofar as HW supports). If this parameter is not true, then
+ * freshly created contexts may inherit values from an existing context,
+ * rather than default HW values. If true, it also ensures (insofar as HW
+ * supports) that all state set by this context will not leak to any other
+ * context.
+ *
+ * As not every engine across every gen support contexts, the returned
+ * value reports the support of context isolation for individual engines by
+ * returning a bitmask of each engine class set to true if that class supports
+ * isolation.
+ */
+#define I915_PARAM_HAS_CONTEXT_ISOLATION 50
+
+/* Frequency of the command streamer timestamps given by the *_TIMESTAMP
+ * registers. This used to be fixed per platform but from CNL onwards, this
+ * might vary depending on the parts.
+ */
+#define I915_PARAM_CS_TIMESTAMP_FREQUENCY 51
+
typedef struct drm_i915_getparam {
__s32 param;
/*
diff --git a/tools/include/uapi/linux/if_link.h b/tools/include/uapi/linux/if_link.h
index 8616131e2c61..6d9447700e18 100644
--- a/tools/include/uapi/linux/if_link.h
+++ b/tools/include/uapi/linux/if_link.h
@@ -163,6 +163,7 @@ enum {
IFLA_IF_NETNSID,
IFLA_CARRIER_UP_COUNT,
IFLA_CARRIER_DOWN_COUNT,
+ IFLA_NEW_IFINDEX,
__IFLA_MAX
};
diff --git a/tools/include/uapi/linux/kvm.h b/tools/include/uapi/linux/kvm.h
index 8fb90a0819c3..0fb5ef939732 100644
--- a/tools/include/uapi/linux/kvm.h
+++ b/tools/include/uapi/linux/kvm.h
@@ -1362,6 +1362,96 @@ struct kvm_s390_ucas_mapping {
/* Available with KVM_CAP_S390_CMMA_MIGRATION */
#define KVM_S390_GET_CMMA_BITS _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log)
#define KVM_S390_SET_CMMA_BITS _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log)
+/* Memory Encryption Commands */
+#define KVM_MEMORY_ENCRYPT_OP _IOWR(KVMIO, 0xba, unsigned long)
+
+struct kvm_enc_region {
+ __u64 addr;
+ __u64 size;
+};
+
+#define KVM_MEMORY_ENCRYPT_REG_REGION _IOR(KVMIO, 0xbb, struct kvm_enc_region)
+#define KVM_MEMORY_ENCRYPT_UNREG_REGION _IOR(KVMIO, 0xbc, struct kvm_enc_region)
+
+/* Secure Encrypted Virtualization command */
+enum sev_cmd_id {
+ /* Guest initialization commands */
+ KVM_SEV_INIT = 0,
+ KVM_SEV_ES_INIT,
+ /* Guest launch commands */
+ KVM_SEV_LAUNCH_START,
+ KVM_SEV_LAUNCH_UPDATE_DATA,
+ KVM_SEV_LAUNCH_UPDATE_VMSA,
+ KVM_SEV_LAUNCH_SECRET,
+ KVM_SEV_LAUNCH_MEASURE,
+ KVM_SEV_LAUNCH_FINISH,
+ /* Guest migration commands (outgoing) */
+ KVM_SEV_SEND_START,
+ KVM_SEV_SEND_UPDATE_DATA,
+ KVM_SEV_SEND_UPDATE_VMSA,
+ KVM_SEV_SEND_FINISH,
+ /* Guest migration commands (incoming) */
+ KVM_SEV_RECEIVE_START,
+ KVM_SEV_RECEIVE_UPDATE_DATA,
+ KVM_SEV_RECEIVE_UPDATE_VMSA,
+ KVM_SEV_RECEIVE_FINISH,
+ /* Guest status and debug commands */
+ KVM_SEV_GUEST_STATUS,
+ KVM_SEV_DBG_DECRYPT,
+ KVM_SEV_DBG_ENCRYPT,
+ /* Guest certificates commands */
+ KVM_SEV_CERT_EXPORT,
+
+ KVM_SEV_NR_MAX,
+};
+
+struct kvm_sev_cmd {
+ __u32 id;
+ __u64 data;
+ __u32 error;
+ __u32 sev_fd;
+};
+
+struct kvm_sev_launch_start {
+ __u32 handle;
+ __u32 policy;
+ __u64 dh_uaddr;
+ __u32 dh_len;
+ __u64 session_uaddr;
+ __u32 session_len;
+};
+
+struct kvm_sev_launch_update_data {
+ __u64 uaddr;
+ __u32 len;
+};
+
+
+struct kvm_sev_launch_secret {
+ __u64 hdr_uaddr;
+ __u32 hdr_len;
+ __u64 guest_uaddr;
+ __u32 guest_len;
+ __u64 trans_uaddr;
+ __u32 trans_len;
+};
+
+struct kvm_sev_launch_measure {
+ __u64 uaddr;
+ __u32 len;
+};
+
+struct kvm_sev_guest_status {
+ __u32 handle;
+ __u32 policy;
+ __u32 state;
+};
+
+struct kvm_sev_dbg {
+ __u64 src_uaddr;
+ __u64 dst_uaddr;
+ __u32 len;
+};
#define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0)
#define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1)
diff --git a/tools/kvm/kvm_stat/kvm_stat b/tools/kvm/kvm_stat/kvm_stat
index a5684d0968b4..5898c22ba310 100755
--- a/tools/kvm/kvm_stat/kvm_stat
+++ b/tools/kvm/kvm_stat/kvm_stat
@@ -33,7 +33,7 @@ import resource
import struct
import re
import subprocess
-from collections import defaultdict
+from collections import defaultdict, namedtuple
VMX_EXIT_REASONS = {
'EXCEPTION_NMI': 0,
@@ -228,6 +228,7 @@ IOCTL_NUMBERS = {
}
ENCODING = locale.getpreferredencoding(False)
+TRACE_FILTER = re.compile(r'^[^\(]*$')
class Arch(object):
@@ -260,6 +261,11 @@ class Arch(object):
return ArchX86(SVM_EXIT_REASONS)
return
+ def tracepoint_is_child(self, field):
+ if (TRACE_FILTER.match(field)):
+ return None
+ return field.split('(', 1)[0]
+
class ArchX86(Arch):
def __init__(self, exit_reasons):
@@ -267,6 +273,10 @@ class ArchX86(Arch):
self.ioctl_numbers = IOCTL_NUMBERS
self.exit_reasons = exit_reasons
+ def debugfs_is_child(self, field):
+ """ Returns name of parent if 'field' is a child, None otherwise """
+ return None
+
class ArchPPC(Arch):
def __init__(self):
@@ -282,6 +292,10 @@ class ArchPPC(Arch):
self.ioctl_numbers['SET_FILTER'] = 0x80002406 | char_ptr_size << 16
self.exit_reasons = {}
+ def debugfs_is_child(self, field):
+ """ Returns name of parent if 'field' is a child, None otherwise """
+ return None
+
class ArchA64(Arch):
def __init__(self):
@@ -289,6 +303,10 @@ class ArchA64(Arch):
self.ioctl_numbers = IOCTL_NUMBERS
self.exit_reasons = AARCH64_EXIT_REASONS
+ def debugfs_is_child(self, field):
+ """ Returns name of parent if 'field' is a child, None otherwise """
+ return None
+
class ArchS390(Arch):
def __init__(self):
@@ -296,6 +314,12 @@ class ArchS390(Arch):
self.ioctl_numbers = IOCTL_NUMBERS
self.exit_reasons = None
+ def debugfs_is_child(self, field):
+ """ Returns name of parent if 'field' is a child, None otherwise """
+ if field.startswith('instruction_'):
+ return 'exit_instruction'
+
+
ARCH = Arch.get_arch()
@@ -331,9 +355,6 @@ class perf_event_attr(ctypes.Structure):
PERF_TYPE_TRACEPOINT = 2
PERF_FORMAT_GROUP = 1 << 3
-PATH_DEBUGFS_TRACING = '/sys/kernel/debug/tracing'
-PATH_DEBUGFS_KVM = '/sys/kernel/debug/kvm'
-
class Group(object):
"""Represents a perf event group."""
@@ -376,8 +397,8 @@ class Event(object):
self.syscall = self.libc.syscall
self.name = name
self.fd = None
- self.setup_event(group, trace_cpu, trace_pid, trace_point,
- trace_filter, trace_set)
+ self._setup_event(group, trace_cpu, trace_pid, trace_point,
+ trace_filter, trace_set)
def __del__(self):
"""Closes the event's file descriptor.
@@ -390,7 +411,7 @@ class Event(object):
if self.fd:
os.close(self.fd)
- def perf_event_open(self, attr, pid, cpu, group_fd, flags):
+ def _perf_event_open(self, attr, pid, cpu, group_fd, flags):
"""Wrapper for the sys_perf_evt_open() syscall.
Used to set up performance events, returns a file descriptor or -1
@@ -409,7 +430,7 @@ class Event(object):
ctypes.c_int(pid), ctypes.c_int(cpu),
ctypes.c_int(group_fd), ctypes.c_long(flags))
- def setup_event_attribute(self, trace_set, trace_point):
+ def _setup_event_attribute(self, trace_set, trace_point):
"""Returns an initialized ctype perf_event_attr struct."""
id_path = os.path.join(PATH_DEBUGFS_TRACING, 'events', trace_set,
@@ -419,8 +440,8 @@ class Event(object):
event_attr.config = int(open(id_path).read())
return event_attr
- def setup_event(self, group, trace_cpu, trace_pid, trace_point,
- trace_filter, trace_set):
+ def _setup_event(self, group, trace_cpu, trace_pid, trace_point,
+ trace_filter, trace_set):
"""Sets up the perf event in Linux.
Issues the syscall to register the event in the kernel and
@@ -428,7 +449,7 @@ class Event(object):
"""
- event_attr = self.setup_event_attribute(trace_set, trace_point)
+ event_attr = self._setup_event_attribute(trace_set, trace_point)
# First event will be group leader.
group_leader = -1
@@ -437,8 +458,8 @@ class Event(object):
if group.events:
group_leader = group.events[0].fd
- fd = self.perf_event_open(event_attr, trace_pid,
- trace_cpu, group_leader, 0)
+ fd = self._perf_event_open(event_attr, trace_pid,
+ trace_cpu, group_leader, 0)
if fd == -1:
err = ctypes.get_errno()
raise OSError(err, os.strerror(err),
@@ -475,6 +496,10 @@ class Event(object):
class Provider(object):
"""Encapsulates functionalities used by all providers."""
+ def __init__(self, pid):
+ self.child_events = False
+ self.pid = pid
+
@staticmethod
def is_field_wanted(fields_filter, field):
"""Indicate whether field is valid according to fields_filter."""
@@ -500,12 +525,12 @@ class TracepointProvider(Provider):
"""
def __init__(self, pid, fields_filter):
self.group_leaders = []
- self.filters = self.get_filters()
+ self.filters = self._get_filters()
self.update_fields(fields_filter)
- self.pid = pid
+ super(TracepointProvider, self).__init__(pid)
@staticmethod
- def get_filters():
+ def _get_filters():
"""Returns a dict of trace events, their filter ids and
the values that can be filtered.
@@ -521,8 +546,8 @@ class TracepointProvider(Provider):
filters['kvm_exit'] = ('exit_reason', ARCH.exit_reasons)
return filters
- def get_available_fields(self):
- """Returns a list of available event's of format 'event name(filter
+ def _get_available_fields(self):
+ """Returns a list of available events of format 'event name(filter
name)'.
All available events have directories under
@@ -549,11 +574,12 @@ class TracepointProvider(Provider):
def update_fields(self, fields_filter):
"""Refresh fields, applying fields_filter"""
- self.fields = [field for field in self.get_available_fields()
- if self.is_field_wanted(fields_filter, field)]
+ self.fields = [field for field in self._get_available_fields()
+ if self.is_field_wanted(fields_filter, field) or
+ ARCH.tracepoint_is_child(field)]
@staticmethod
- def get_online_cpus():
+ def _get_online_cpus():
"""Returns a list of cpu id integers."""
def parse_int_list(list_string):
"""Returns an int list from a string of comma separated integers and
@@ -575,17 +601,17 @@ class TracepointProvider(Provider):
cpu_string = cpu_list.readline()
return parse_int_list(cpu_string)
- def setup_traces(self):
+ def _setup_traces(self):
"""Creates all event and group objects needed to be able to retrieve
data."""
- fields = self.get_available_fields()
+ fields = self._get_available_fields()
if self._pid > 0:
# Fetch list of all threads of the monitored pid, as qemu
# starts a thread for each vcpu.
path = os.path.join('/proc', str(self._pid), 'task')
groupids = self.walkdir(path)[1]
else:
- groupids = self.get_online_cpus()
+ groupids = self._get_online_cpus()
# The constant is needed as a buffer for python libs, std
# streams and other files that the script opens.
@@ -663,7 +689,7 @@ class TracepointProvider(Provider):
# The garbage collector will get rid of all Event/Group
# objects and open files after removing the references.
self.group_leaders = []
- self.setup_traces()
+ self._setup_traces()
self.fields = self._fields
def read(self, by_guest=0):
@@ -671,8 +697,12 @@ class TracepointProvider(Provider):
ret = defaultdict(int)
for group in self.group_leaders:
for name, val in group.read().items():
- if name in self._fields:
- ret[name] += val
+ if name not in self._fields:
+ continue
+ parent = ARCH.tracepoint_is_child(name)
+ if parent:
+ name += ' ' + parent
+ ret[name] += val
return ret
def reset(self):
@@ -690,11 +720,11 @@ class DebugfsProvider(Provider):
self._baseline = {}
self.do_read = True
self.paths = []
- self.pid = pid
+ super(DebugfsProvider, self).__init__(pid)
if include_past:
- self.restore()
+ self._restore()
- def get_available_fields(self):
+ def _get_available_fields(self):
""""Returns a list of available fields.
The fields are all available KVM debugfs files
@@ -704,8 +734,9 @@ class DebugfsProvider(Provider):
def update_fields(self, fields_filter):
"""Refresh fields, applying fields_filter"""
- self._fields = [field for field in self.get_available_fields()
- if self.is_field_wanted(fields_filter, field)]
+ self._fields = [field for field in self._get_available_fields()
+ if self.is_field_wanted(fields_filter, field) or
+ ARCH.debugfs_is_child(field)]
@property
def fields(self):
@@ -758,7 +789,7 @@ class DebugfsProvider(Provider):
paths.append(dir)
for path in paths:
for field in self._fields:
- value = self.read_field(field, path)
+ value = self._read_field(field, path)
key = path + field
if reset == 1:
self._baseline[key] = value
@@ -766,20 +797,21 @@ class DebugfsProvider(Provider):
self._baseline[key] = 0
if self._baseline.get(key, -1) == -1:
self._baseline[key] = value
- increment = (results.get(field, 0) + value -
- self._baseline.get(key, 0))
- if by_guest:
- pid = key.split('-')[0]
- if pid in results:
- results[pid] += increment
- else:
- results[pid] = increment
+ parent = ARCH.debugfs_is_child(field)
+ if parent:
+ field = field + ' ' + parent
+ else:
+ if by_guest:
+ field = key.split('-')[0] # set 'field' to 'pid'
+ increment = value - self._baseline.get(key, 0)
+ if field in results:
+ results[field] += increment
else:
results[field] = increment
return results
- def read_field(self, field, path):
+ def _read_field(self, field, path):
"""Returns the value of a single field from a specific VM."""
try:
return int(open(os.path.join(PATH_DEBUGFS_KVM,
@@ -794,12 +826,15 @@ class DebugfsProvider(Provider):
self._baseline = {}
self.read(1)
- def restore(self):
+ def _restore(self):
"""Reset field counters"""
self._baseline = {}
self.read(2)
+EventStat = namedtuple('EventStat', ['value', 'delta'])
+
+
class Stats(object):
"""Manages the data providers and the data they provide.
@@ -808,13 +843,13 @@ class Stats(object):
"""
def __init__(self, options):
- self.providers = self.get_providers(options)
+ self.providers = self._get_providers(options)
self._pid_filter = options.pid
self._fields_filter = options.fields
self.values = {}
+ self._child_events = False
- @staticmethod
- def get_providers(options):
+ def _get_providers(self, options):
"""Returns a list of data providers depending on the passed options."""
providers = []
@@ -826,7 +861,7 @@ class Stats(object):
return providers
- def update_provider_filters(self):
+ def _update_provider_filters(self):
"""Propagates fields filters to providers."""
# As we reset the counters when updating the fields we can
# also clear the cache of old values.
@@ -847,7 +882,7 @@ class Stats(object):
def fields_filter(self, fields_filter):
if fields_filter != self._fields_filter:
self._fields_filter = fields_filter
- self.update_provider_filters()
+ self._update_provider_filters()
@property
def pid_filter(self):
@@ -861,16 +896,33 @@ class Stats(object):
for provider in self.providers:
provider.pid = self._pid_filter
+ @property
+ def child_events(self):
+ return self._child_events
+
+ @child_events.setter
+ def child_events(self, val):
+ self._child_events = val
+ for provider in self.providers:
+ provider.child_events = val
+
def get(self, by_guest=0):
"""Returns a dict with field -> (value, delta to last value) of all
- provider data."""
+ provider data.
+ Key formats:
+ * plain: 'key' is event name
+ * child-parent: 'key' is in format '<child> <parent>'
+ * pid: 'key' is the pid of the guest, and the record contains the
+ aggregated event data
+ These formats are generated by the providers, and handled in class TUI.
+ """
for provider in self.providers:
new = provider.read(by_guest=by_guest)
- for key in new if by_guest else provider.fields:
- oldval = self.values.get(key, (0, 0))[0]
+ for key in new:
+ oldval = self.values.get(key, EventStat(0, 0)).value
newval = new.get(key, 0)
newdelta = newval - oldval
- self.values[key] = (newval, newdelta)
+ self.values[key] = EventStat(newval, newdelta)
return self.values
def toggle_display_guests(self, to_pid):
@@ -899,10 +951,10 @@ class Stats(object):
self.get(to_pid)
return 0
+
DELAY_DEFAULT = 3.0
MAX_GUEST_NAME_LEN = 48
MAX_REGEX_LEN = 44
-DEFAULT_REGEX = r'^[^\(]*$'
SORT_DEFAULT = 0
@@ -969,7 +1021,7 @@ class Tui(object):
return res
- def print_all_gnames(self, row):
+ def _print_all_gnames(self, row):
"""Print a list of all running guests along with their pids."""
self.screen.addstr(row, 2, '%8s %-60s' %
('Pid', 'Guest Name (fuzzy list, might be '
@@ -1032,19 +1084,13 @@ class Tui(object):
return name
- def update_drilldown(self):
- """Sets or removes a filter that only allows fields without braces."""
- if not self.stats.fields_filter:
- self.stats.fields_filter = DEFAULT_REGEX
-
- elif self.stats.fields_filter == DEFAULT_REGEX:
- self.stats.fields_filter = None
-
- def update_pid(self, pid):
+ def _update_pid(self, pid):
"""Propagates pid selection to stats object."""
+ self.screen.addstr(4, 1, 'Updating pid filter...')
+ self.screen.refresh()
self.stats.pid_filter = pid
- def refresh_header(self, pid=None):
+ def _refresh_header(self, pid=None):
"""Refreshes the header."""
if pid is None:
pid = self.stats.pid_filter
@@ -1059,8 +1105,7 @@ class Tui(object):
.format(pid, gname), curses.A_BOLD)
else:
self.screen.addstr(0, 0, 'kvm statistics - summary', curses.A_BOLD)
- if self.stats.fields_filter and self.stats.fields_filter \
- != DEFAULT_REGEX:
+ if self.stats.fields_filter:
regex = self.stats.fields_filter
if len(regex) > MAX_REGEX_LEN:
regex = regex[:MAX_REGEX_LEN] + '...'
@@ -1075,56 +1120,99 @@ class Tui(object):
self.screen.addstr(4, 1, 'Collecting data...')
self.screen.refresh()
- def refresh_body(self, sleeptime):
+ def _refresh_body(self, sleeptime):
+ def is_child_field(field):
+ return field.find('(') != -1
+
+ def insert_child(sorted_items, child, values, parent):
+ num = len(sorted_items)
+ for i in range(0, num):
+ # only add child if parent is present
+ if parent.startswith(sorted_items[i][0]):
+ sorted_items.insert(i + 1, (' ' + child, values))
+
+ def get_sorted_events(self, stats):
+ """ separate parent and child events """
+ if self._sorting == SORT_DEFAULT:
+ def sortkey((_k, v)):
+ # sort by (delta value, overall value)
+ return (v.delta, v.value)
+ else:
+ def sortkey((_k, v)):
+ # sort by overall value
+ return v.value
+
+ childs = []
+ sorted_items = []
+ # we can't rule out child events to appear prior to parents even
+ # when sorted - separate out all children first, and add in later
+ for key, values in sorted(stats.items(), key=sortkey,
+ reverse=True):
+ if values == (0, 0):
+ continue
+ if key.find(' ') != -1:
+ if not self.stats.child_events:
+ continue
+ childs.insert(0, (key, values))
+ else:
+ sorted_items.append((key, values))
+ if self.stats.child_events:
+ for key, values in childs:
+ (child, parent) = key.split(' ')
+ insert_child(sorted_items, child, values, parent)
+
+ return sorted_items
+
row = 3
self.screen.move(row, 0)
self.screen.clrtobot()
stats = self.stats.get(self._display_guests)
-
- def sortCurAvg(x):
- # sort by current events if available
- if stats[x][1]:
- return (-stats[x][1], -stats[x][0])
+ total = 0.
+ ctotal = 0.
+ for key, values in stats.items():
+ if self._display_guests:
+ if self.get_gname_from_pid(key):
+ total += values.value
+ continue
+ if not key.find(' ') != -1:
+ total += values.value
else:
- return (0, -stats[x][0])
+ ctotal += values.value
+ if total == 0.:
+ # we don't have any fields, or all non-child events are filtered
+ total = ctotal
- def sortTotal(x):
- # sort by totals
- return (0, -stats[x][0])
- total = 0.
- for key in stats.keys():
- if key.find('(') is -1:
- total += stats[key][0]
- if self._sorting == SORT_DEFAULT:
- sortkey = sortCurAvg
- else:
- sortkey = sortTotal
+ # print events
tavg = 0
- for key in sorted(stats.keys(), key=sortkey):
- if row >= self.screen.getmaxyx()[0] - 1:
- break
- values = stats[key]
- if not values[0] and not values[1]:
+ tcur = 0
+ for key, values in get_sorted_events(self, stats):
+ if row >= self.screen.getmaxyx()[0] - 1 or values == (0, 0):
break
- if values[0] is not None:
- cur = int(round(values[1] / sleeptime)) if values[1] else ''
- if self._display_guests:
- key = self.get_gname_from_pid(key)
- self.screen.addstr(row, 1, '%-40s %10d%7.1f %8s' %
- (key, values[0], values[0] * 100 / total,
- cur))
- if cur is not '' and key.find('(') is -1:
- tavg += cur
+ if self._display_guests:
+ key = self.get_gname_from_pid(key)
+ if not key:
+ continue
+ cur = int(round(values.delta / sleeptime)) if values.delta else ''
+ if key[0] != ' ':
+ if values.delta:
+ tcur += values.delta
+ ptotal = values.value
+ ltotal = total
+ else:
+ ltotal = ptotal
+ self.screen.addstr(row, 1, '%-40s %10d%7.1f %8s' % (key,
+ values.value,
+ values.value * 100 / float(ltotal), cur))
row += 1
if row == 3:
self.screen.addstr(4, 1, 'No matching events reported yet')
- else:
+ if row > 4:
+ tavg = int(round(tcur / sleeptime)) if tcur > 0 else ''
self.screen.addstr(row, 1, '%-40s %10d %8s' %
- ('Total', total, tavg if tavg else ''),
- curses.A_BOLD)
+ ('Total', total, tavg), curses.A_BOLD)
self.screen.refresh()
- def show_msg(self, text):
+ def _show_msg(self, text):
"""Display message centered text and exit on key press"""
hint = 'Press any key to continue'
curses.cbreak()
@@ -1139,16 +1227,16 @@ class Tui(object):
curses.A_STANDOUT)
self.screen.getkey()
- def show_help_interactive(self):
+ def _show_help_interactive(self):
"""Display help with list of interactive commands"""
msg = (' b toggle events by guests (debugfs only, honors'
' filters)',
' c clear filter',
' f filter by regular expression',
- ' g filter by guest name',
+ ' g filter by guest name/PID',
' h display interactive commands reference',
' o toggle sorting order (Total vs CurAvg/s)',
- ' p filter by PID',
+ ' p filter by guest name/PID',
' q quit',
' r reset stats',
' s set update interval',
@@ -1165,14 +1253,15 @@ class Tui(object):
self.screen.addstr(row, 0, line)
row += 1
self.screen.getkey()
- self.refresh_header()
+ self._refresh_header()
- def show_filter_selection(self):
+ def _show_filter_selection(self):
"""Draws filter selection mask.
Asks for a valid regex and sets the fields filter accordingly.
"""
+ msg = ''
while True:
self.screen.erase()
self.screen.addstr(0, 0,
@@ -1181,61 +1270,25 @@ class Tui(object):
self.screen.addstr(2, 0,
"Current regex: {0}"
.format(self.stats.fields_filter))
+ self.screen.addstr(5, 0, msg)
self.screen.addstr(3, 0, "New regex: ")
curses.echo()
regex = self.screen.getstr().decode(ENCODING)
curses.noecho()
if len(regex) == 0:
- self.stats.fields_filter = DEFAULT_REGEX
- self.refresh_header()
+ self.stats.fields_filter = ''
+ self._refresh_header()
return
try:
re.compile(regex)
self.stats.fields_filter = regex
- self.refresh_header()
+ self._refresh_header()
return
except re.error:
+ msg = '"' + regex + '": Not a valid regular expression'
continue
- def show_vm_selection_by_pid(self):
- """Draws PID selection mask.
-
- Asks for a pid until a valid pid or 0 has been entered.
-
- """
- msg = ''
- while True:
- self.screen.erase()
- self.screen.addstr(0, 0,
- 'Show statistics for specific pid.',
- curses.A_BOLD)
- self.screen.addstr(1, 0,
- 'This might limit the shown data to the trace '
- 'statistics.')
- self.screen.addstr(5, 0, msg)
- self.print_all_gnames(7)
-
- curses.echo()
- self.screen.addstr(3, 0, "Pid [0 or pid]: ")
- pid = self.screen.getstr().decode(ENCODING)
- curses.noecho()
-
- try:
- if len(pid) > 0:
- pid = int(pid)
- if pid != 0 and not os.path.isdir(os.path.join('/proc/',
- str(pid))):
- msg = '"' + str(pid) + '": Not a running process'
- continue
- else:
- pid = 0
- self.refresh_header(pid)
- self.update_pid(pid)
- break
- except ValueError:
- msg = '"' + str(pid) + '": Not a valid pid'
-
- def show_set_update_interval(self):
+ def _show_set_update_interval(self):
"""Draws update interval selection mask."""
msg = ''
while True:
@@ -1265,60 +1318,67 @@ class Tui(object):
except ValueError:
msg = '"' + str(val) + '": Invalid value'
- self.refresh_header()
+ self._refresh_header()
- def show_vm_selection_by_guest_name(self):
+ def _show_vm_selection_by_guest(self):
"""Draws guest selection mask.
- Asks for a guest name until a valid guest name or '' is entered.
+ Asks for a guest name or pid until a valid guest name or '' is entered.
"""
msg = ''
while True:
self.screen.erase()
self.screen.addstr(0, 0,
- 'Show statistics for specific guest.',
+ 'Show statistics for specific guest or pid.',
curses.A_BOLD)
self.screen.addstr(1, 0,
'This might limit the shown data to the trace '
'statistics.')
self.screen.addstr(5, 0, msg)
- self.print_all_gnames(7)
+ self._print_all_gnames(7)
curses.echo()
- self.screen.addstr(3, 0, "Guest [ENTER or guest]: ")
- gname = self.screen.getstr().decode(ENCODING)
+ curses.curs_set(1)
+ self.screen.addstr(3, 0, "Guest or pid [ENTER exits]: ")
+ guest = self.screen.getstr().decode(ENCODING)
curses.noecho()
- if not gname:
- self.refresh_header(0)
- self.update_pid(0)
+ pid = 0
+ if not guest or guest == '0':
break
- else:
- pids = []
- try:
- pids = self.get_pid_from_gname(gname)
- except:
- msg = '"' + gname + '": Internal error while searching, ' \
- 'use pid filter instead'
- continue
- if len(pids) == 0:
- msg = '"' + gname + '": Not an active guest'
+ if guest.isdigit():
+ if not os.path.isdir(os.path.join('/proc/', guest)):
+ msg = '"' + guest + '": Not a running process'
continue
- if len(pids) > 1:
- msg = '"' + gname + '": Multiple matches found, use pid ' \
- 'filter instead'
- continue
- self.refresh_header(pids[0])
- self.update_pid(pids[0])
+ pid = int(guest)
break
+ pids = []
+ try:
+ pids = self.get_pid_from_gname(guest)
+ except:
+ msg = '"' + guest + '": Internal error while searching, ' \
+ 'use pid filter instead'
+ continue
+ if len(pids) == 0:
+ msg = '"' + guest + '": Not an active guest'
+ continue
+ if len(pids) > 1:
+ msg = '"' + guest + '": Multiple matches found, use pid ' \
+ 'filter instead'
+ continue
+ pid = pids[0]
+ break
+ curses.curs_set(0)
+ self._refresh_header(pid)
+ self._update_pid(pid)
def show_stats(self):
"""Refreshes the screen and processes user input."""
sleeptime = self._delay_initial
- self.refresh_header()
+ self._refresh_header()
start = 0.0 # result based on init value never appears on screen
while True:
- self.refresh_body(time.time() - start)
+ self._refresh_body(time.time() - start)
curses.halfdelay(int(sleeptime * 10))
start = time.time()
sleeptime = self._delay_regular
@@ -1327,47 +1387,39 @@ class Tui(object):
if char == 'b':
self._display_guests = not self._display_guests
if self.stats.toggle_display_guests(self._display_guests):
- self.show_msg(['Command not available with tracepoints'
- ' enabled', 'Restart with debugfs only '
- '(see option \'-d\') and try again!'])
+ self._show_msg(['Command not available with '
+ 'tracepoints enabled', 'Restart with '
+ 'debugfs only (see option \'-d\') and '
+ 'try again!'])
self._display_guests = not self._display_guests
- self.refresh_header()
+ self._refresh_header()
if char == 'c':
- self.stats.fields_filter = DEFAULT_REGEX
- self.refresh_header(0)
- self.update_pid(0)
+ self.stats.fields_filter = ''
+ self._refresh_header(0)
+ self._update_pid(0)
if char == 'f':
curses.curs_set(1)
- self.show_filter_selection()
+ self._show_filter_selection()
curses.curs_set(0)
sleeptime = self._delay_initial
- if char == 'g':
- curses.curs_set(1)
- self.show_vm_selection_by_guest_name()
- curses.curs_set(0)
+ if char == 'g' or char == 'p':
+ self._show_vm_selection_by_guest()
sleeptime = self._delay_initial
if char == 'h':
- self.show_help_interactive()
+ self._show_help_interactive()
if char == 'o':
self._sorting = not self._sorting
- if char == 'p':
- curses.curs_set(1)
- self.show_vm_selection_by_pid()
- curses.curs_set(0)
- sleeptime = self._delay_initial
if char == 'q':
break
if char == 'r':
self.stats.reset()
if char == 's':
curses.curs_set(1)
- self.show_set_update_interval()
+ self._show_set_update_interval()
curses.curs_set(0)
sleeptime = self._delay_initial
if char == 'x':
- self.update_drilldown()
- # prevents display of current values on next refresh
- self.stats.get(self._display_guests)
+ self.stats.child_events = not self.stats.child_events
except KeyboardInterrupt:
break
except curses.error:
@@ -1380,9 +1432,9 @@ def batch(stats):
s = stats.get()
time.sleep(1)
s = stats.get()
- for key in sorted(s.keys()):
- values = s[key]
- print('%-42s%10d%10d' % (key, values[0], values[1]))
+ for key, values in sorted(s.items()):
+ print('%-42s%10d%10d' % (key.split(' ')[0], values.value,
+ values.delta))
except KeyboardInterrupt:
pass
@@ -1392,14 +1444,14 @@ def log(stats):
keys = sorted(stats.get().keys())
def banner():
- for k in keys:
- print(k, end=' ')
+ for key in keys:
+ print(key.split(' ')[0], end=' ')
print()
def statline():
s = stats.get()
- for k in keys:
- print(' %9d' % s[k][1], end=' ')
+ for key in keys:
+ print(' %9d' % s[key].delta, end=' ')
print()
line = 0
banner_repeat = 20
@@ -1504,7 +1556,7 @@ Press any other key to refresh statistics immediately.
)
optparser.add_option('-f', '--fields',
action='store',
- default=DEFAULT_REGEX,
+ default='',
dest='fields',
help='''fields to display (regex)
"-f help" for a list of available events''',
@@ -1539,17 +1591,6 @@ Press any other key to refresh statistics immediately.
def check_access(options):
"""Exits if the current user can't access all needed directories."""
- if not os.path.exists('/sys/kernel/debug'):
- sys.stderr.write('Please enable CONFIG_DEBUG_FS in your kernel.')
- sys.exit(1)
-
- if not os.path.exists(PATH_DEBUGFS_KVM):
- sys.stderr.write("Please make sure, that debugfs is mounted and "
- "readable by the current user:\n"
- "('mount -t debugfs debugfs /sys/kernel/debug')\n"
- "Also ensure, that the kvm modules are loaded.\n")
- sys.exit(1)
-
if not os.path.exists(PATH_DEBUGFS_TRACING) and (options.tracepoints or
not options.debugfs):
sys.stderr.write("Please enable CONFIG_TRACING in your kernel "
@@ -1567,7 +1608,33 @@ def check_access(options):
return options
+def assign_globals():
+ global PATH_DEBUGFS_KVM
+ global PATH_DEBUGFS_TRACING
+
+ debugfs = ''
+ for line in file('/proc/mounts'):
+ if line.split(' ')[0] == 'debugfs':
+ debugfs = line.split(' ')[1]
+ break
+ if debugfs == '':
+ sys.stderr.write("Please make sure that CONFIG_DEBUG_FS is enabled in "
+ "your kernel, mounted and\nreadable by the current "
+ "user:\n"
+ "('mount -t debugfs debugfs /sys/kernel/debug')\n")
+ sys.exit(1)
+
+ PATH_DEBUGFS_KVM = os.path.join(debugfs, 'kvm')
+ PATH_DEBUGFS_TRACING = os.path.join(debugfs, 'tracing')
+
+ if not os.path.exists(PATH_DEBUGFS_KVM):
+ sys.stderr.write("Please make sure that CONFIG_KVM is enabled in "
+ "your kernel and that the modules are loaded.\n")
+ sys.exit(1)
+
+
def main():
+ assign_globals()
options = get_options()
options = check_access(options)
diff --git a/tools/kvm/kvm_stat/kvm_stat.txt b/tools/kvm/kvm_stat/kvm_stat.txt
index b5b3810c9e94..0811d860fe75 100644
--- a/tools/kvm/kvm_stat/kvm_stat.txt
+++ b/tools/kvm/kvm_stat/kvm_stat.txt
@@ -35,13 +35,13 @@ INTERACTIVE COMMANDS
*f*:: filter by regular expression
-*g*:: filter by guest name
+*g*:: filter by guest name/PID
*h*:: display interactive commands reference
*o*:: toggle sorting order (Total vs CurAvg/s)
-*p*:: filter by PID
+*p*:: filter by guest name/PID
*q*:: quit
diff --git a/tools/laptop/freefall/Makefile b/tools/laptop/freefall/Makefile
index 5f758c489a20..b572d94255f6 100644
--- a/tools/laptop/freefall/Makefile
+++ b/tools/laptop/freefall/Makefile
@@ -2,7 +2,6 @@
PREFIX ?= /usr
SBINDIR ?= sbin
INSTALL ?= install
-CC = $(CROSS_COMPILE)gcc
TARGET = freefall
diff --git a/tools/leds/Makefile b/tools/leds/Makefile
index c379af003807..7b6bed13daaa 100644
--- a/tools/leds/Makefile
+++ b/tools/leds/Makefile
@@ -1,7 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
# Makefile for LEDs tools
-CC = $(CROSS_COMPILE)gcc
CFLAGS = -Wall -Wextra -g -I../../include/uapi
all: uledmon led_hw_brightness_mon
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index 97073d649c1a..5bbbf285af74 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -1060,11 +1060,12 @@ bpf_program__reloc_text(struct bpf_program *prog, struct bpf_object *obj,
prog->insns = new_insn;
prog->main_prog_cnt = prog->insns_cnt;
prog->insns_cnt = new_cnt;
+ pr_debug("added %zd insn from %s to prog %s\n",
+ text->insns_cnt, text->section_name,
+ prog->section_name);
}
insn = &prog->insns[relo->insn_idx];
insn->imm += prog->main_prog_cnt - relo->insn_idx;
- pr_debug("added %zd insn from %s to prog %s\n",
- text->insns_cnt, text->section_name, prog->section_name);
return 0;
}
diff --git a/tools/perf/Documentation/perf-data.txt b/tools/perf/Documentation/perf-data.txt
index f0796a47dfa3..90bb4aabe4f8 100644
--- a/tools/perf/Documentation/perf-data.txt
+++ b/tools/perf/Documentation/perf-data.txt
@@ -30,6 +30,10 @@ OPTIONS for 'convert'
-i::
Specify input perf data file path.
+-f::
+--force::
+ Don't complain, do it.
+
-v::
--verbose::
Be more verbose (show counter open errors, etc).
diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index 9b0351d3ce34..012328038594 100644
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -146,12 +146,6 @@ define allow-override
$(eval $(1) = $(2)))
endef
-# Allow setting CC and AR and LD, or setting CROSS_COMPILE as a prefix.
-$(call allow-override,CC,$(CROSS_COMPILE)gcc)
-$(call allow-override,AR,$(CROSS_COMPILE)ar)
-$(call allow-override,LD,$(CROSS_COMPILE)ld)
-$(call allow-override,CXX,$(CROSS_COMPILE)g++)
-
LD += $(EXTRA_LDFLAGS)
HOSTCC ?= gcc
diff --git a/tools/perf/arch/s390/Makefile b/tools/perf/arch/s390/Makefile
index 48228de415d0..dfa6e3103437 100644
--- a/tools/perf/arch/s390/Makefile
+++ b/tools/perf/arch/s390/Makefile
@@ -10,15 +10,19 @@ PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET := 1
out := $(OUTPUT)arch/s390/include/generated/asm
header := $(out)/syscalls_64.c
-sysdef := $(srctree)/tools/arch/s390/include/uapi/asm/unistd.h
-sysprf := $(srctree)/tools/perf/arch/s390/entry/syscalls/
+syskrn := $(srctree)/arch/s390/kernel/syscalls/syscall.tbl
+sysprf := $(srctree)/tools/perf/arch/s390/entry/syscalls
+sysdef := $(sysprf)/syscall.tbl
systbl := $(sysprf)/mksyscalltbl
# Create output directory if not already present
_dummy := $(shell [ -d '$(out)' ] || mkdir -p '$(out)')
$(header): $(sysdef) $(systbl)
- $(Q)$(SHELL) '$(systbl)' '$(CC)' $(sysdef) > $@
+ @(test -d ../../kernel -a -d ../../tools -a -d ../perf && ( \
+ (diff -B $(sysdef) $(syskrn) >/dev/null) \
+ || echo "Warning: Kernel ABI header at '$(sysdef)' differs from latest version at '$(syskrn)'" >&2 )) || true
+ $(Q)$(SHELL) '$(systbl)' $(sysdef) > $@
clean::
$(call QUIET_CLEAN, s390) $(RM) $(header)
diff --git a/tools/perf/arch/s390/entry/syscalls/mksyscalltbl b/tools/perf/arch/s390/entry/syscalls/mksyscalltbl
index 7fa0d0abd419..72ecbb676370 100755
--- a/tools/perf/arch/s390/entry/syscalls/mksyscalltbl
+++ b/tools/perf/arch/s390/entry/syscalls/mksyscalltbl
@@ -3,25 +3,23 @@
#
# Generate system call table for perf
#
-#
-# Copyright IBM Corp. 2017
+# Copyright IBM Corp. 2017, 2018
# Author(s): Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
#
-gcc=$1
-input=$2
+SYSCALL_TBL=$1
-if ! test -r $input; then
+if ! test -r $SYSCALL_TBL; then
echo "Could not read input file" >&2
exit 1
fi
create_table()
{
- local max_nr
+ local max_nr nr abi sc discard
echo 'static const char *syscalltbl_s390_64[] = {'
- while read sc nr; do
+ while read nr abi sc discard; do
printf '\t[%d] = "%s",\n' $nr $sc
max_nr=$nr
done
@@ -29,8 +27,6 @@ create_table()
echo "#define SYSCALLTBL_S390_64_MAX_ID $max_nr"
}
-
-$gcc -m64 -E -dM -x c $input \
- |sed -ne 's/^#define __NR_//p' \
- |sort -t' ' -k2 -nu \
+grep -E "^[[:digit:]]+[[:space:]]+(common|64)" $SYSCALL_TBL \
+ |sort -k1 -n \
|create_table
diff --git a/tools/perf/arch/s390/entry/syscalls/syscall.tbl b/tools/perf/arch/s390/entry/syscalls/syscall.tbl
new file mode 100644
index 000000000000..b38d48464368
--- /dev/null
+++ b/tools/perf/arch/s390/entry/syscalls/syscall.tbl
@@ -0,0 +1,390 @@
+# SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
+#
+# System call table for s390
+#
+# Format:
+#
+# <nr> <abi> <syscall> <entry-64bit> <compat-entry>
+#
+# where <abi> can be common, 64, or 32
+
+1 common exit sys_exit sys_exit
+2 common fork sys_fork sys_fork
+3 common read sys_read compat_sys_s390_read
+4 common write sys_write compat_sys_s390_write
+5 common open sys_open compat_sys_open
+6 common close sys_close sys_close
+7 common restart_syscall sys_restart_syscall sys_restart_syscall
+8 common creat sys_creat compat_sys_creat
+9 common link sys_link compat_sys_link
+10 common unlink sys_unlink compat_sys_unlink
+11 common execve sys_execve compat_sys_execve
+12 common chdir sys_chdir compat_sys_chdir
+13 32 time - compat_sys_time
+14 common mknod sys_mknod compat_sys_mknod
+15 common chmod sys_chmod compat_sys_chmod
+16 32 lchown - compat_sys_s390_lchown16
+19 common lseek sys_lseek compat_sys_lseek
+20 common getpid sys_getpid sys_getpid
+21 common mount sys_mount compat_sys_mount
+22 common umount sys_oldumount compat_sys_oldumount
+23 32 setuid - compat_sys_s390_setuid16
+24 32 getuid - compat_sys_s390_getuid16
+25 32 stime - compat_sys_stime
+26 common ptrace sys_ptrace compat_sys_ptrace
+27 common alarm sys_alarm sys_alarm
+29 common pause sys_pause sys_pause
+30 common utime sys_utime compat_sys_utime
+33 common access sys_access compat_sys_access
+34 common nice sys_nice sys_nice
+36 common sync sys_sync sys_sync
+37 common kill sys_kill sys_kill
+38 common rename sys_rename compat_sys_rename
+39 common mkdir sys_mkdir compat_sys_mkdir
+40 common rmdir sys_rmdir compat_sys_rmdir
+41 common dup sys_dup sys_dup
+42 common pipe sys_pipe compat_sys_pipe
+43 common times sys_times compat_sys_times
+45 common brk sys_brk compat_sys_brk
+46 32 setgid - compat_sys_s390_setgid16
+47 32 getgid - compat_sys_s390_getgid16
+48 common signal sys_signal compat_sys_signal
+49 32 geteuid - compat_sys_s390_geteuid16
+50 32 getegid - compat_sys_s390_getegid16
+51 common acct sys_acct compat_sys_acct
+52 common umount2 sys_umount compat_sys_umount
+54 common ioctl sys_ioctl compat_sys_ioctl
+55 common fcntl sys_fcntl compat_sys_fcntl
+57 common setpgid sys_setpgid sys_setpgid
+60 common umask sys_umask sys_umask
+61 common chroot sys_chroot compat_sys_chroot
+62 common ustat sys_ustat compat_sys_ustat
+63 common dup2 sys_dup2 sys_dup2
+64 common getppid sys_getppid sys_getppid
+65 common getpgrp sys_getpgrp sys_getpgrp
+66 common setsid sys_setsid sys_setsid
+67 common sigaction sys_sigaction compat_sys_sigaction
+70 32 setreuid - compat_sys_s390_setreuid16
+71 32 setregid - compat_sys_s390_setregid16
+72 common sigsuspend sys_sigsuspend compat_sys_sigsuspend
+73 common sigpending sys_sigpending compat_sys_sigpending
+74 common sethostname sys_sethostname compat_sys_sethostname
+75 common setrlimit sys_setrlimit compat_sys_setrlimit
+76 32 getrlimit - compat_sys_old_getrlimit
+77 common getrusage sys_getrusage compat_sys_getrusage
+78 common gettimeofday sys_gettimeofday compat_sys_gettimeofday
+79 common settimeofday sys_settimeofday compat_sys_settimeofday
+80 32 getgroups - compat_sys_s390_getgroups16
+81 32 setgroups - compat_sys_s390_setgroups16
+83 common symlink sys_symlink compat_sys_symlink
+85 common readlink sys_readlink compat_sys_readlink
+86 common uselib sys_uselib compat_sys_uselib
+87 common swapon sys_swapon compat_sys_swapon
+88 common reboot sys_reboot compat_sys_reboot
+89 common readdir - compat_sys_old_readdir
+90 common mmap sys_old_mmap compat_sys_s390_old_mmap
+91 common munmap sys_munmap compat_sys_munmap
+92 common truncate sys_truncate compat_sys_truncate
+93 common ftruncate sys_ftruncate compat_sys_ftruncate
+94 common fchmod sys_fchmod sys_fchmod
+95 32 fchown - compat_sys_s390_fchown16
+96 common getpriority sys_getpriority sys_getpriority
+97 common setpriority sys_setpriority sys_setpriority
+99 common statfs sys_statfs compat_sys_statfs
+100 common fstatfs sys_fstatfs compat_sys_fstatfs
+101 32 ioperm - -
+102 common socketcall sys_socketcall compat_sys_socketcall
+103 common syslog sys_syslog compat_sys_syslog
+104 common setitimer sys_setitimer compat_sys_setitimer
+105 common getitimer sys_getitimer compat_sys_getitimer
+106 common stat sys_newstat compat_sys_newstat
+107 common lstat sys_newlstat compat_sys_newlstat
+108 common fstat sys_newfstat compat_sys_newfstat
+110 common lookup_dcookie sys_lookup_dcookie compat_sys_lookup_dcookie
+111 common vhangup sys_vhangup sys_vhangup
+112 common idle - -
+114 common wait4 sys_wait4 compat_sys_wait4
+115 common swapoff sys_swapoff compat_sys_swapoff
+116 common sysinfo sys_sysinfo compat_sys_sysinfo
+117 common ipc sys_s390_ipc compat_sys_s390_ipc
+118 common fsync sys_fsync sys_fsync
+119 common sigreturn sys_sigreturn compat_sys_sigreturn
+120 common clone sys_clone compat_sys_clone
+121 common setdomainname sys_setdomainname compat_sys_setdomainname
+122 common uname sys_newuname compat_sys_newuname
+124 common adjtimex sys_adjtimex compat_sys_adjtimex
+125 common mprotect sys_mprotect compat_sys_mprotect
+126 common sigprocmask sys_sigprocmask compat_sys_sigprocmask
+127 common create_module - -
+128 common init_module sys_init_module compat_sys_init_module
+129 common delete_module sys_delete_module compat_sys_delete_module
+130 common get_kernel_syms - -
+131 common quotactl sys_quotactl compat_sys_quotactl
+132 common getpgid sys_getpgid sys_getpgid
+133 common fchdir sys_fchdir sys_fchdir
+134 common bdflush sys_bdflush compat_sys_bdflush
+135 common sysfs sys_sysfs compat_sys_sysfs
+136 common personality sys_s390_personality sys_s390_personality
+137 common afs_syscall - -
+138 32 setfsuid - compat_sys_s390_setfsuid16
+139 32 setfsgid - compat_sys_s390_setfsgid16
+140 32 _llseek - compat_sys_llseek
+141 common getdents sys_getdents compat_sys_getdents
+142 32 _newselect - compat_sys_select
+142 64 select sys_select -
+143 common flock sys_flock sys_flock
+144 common msync sys_msync compat_sys_msync
+145 common readv sys_readv compat_sys_readv
+146 common writev sys_writev compat_sys_writev
+147 common getsid sys_getsid sys_getsid
+148 common fdatasync sys_fdatasync sys_fdatasync
+149 common _sysctl sys_sysctl compat_sys_sysctl
+150 common mlock sys_mlock compat_sys_mlock
+151 common munlock sys_munlock compat_sys_munlock
+152 common mlockall sys_mlockall sys_mlockall
+153 common munlockall sys_munlockall sys_munlockall
+154 common sched_setparam sys_sched_setparam compat_sys_sched_setparam
+155 common sched_getparam sys_sched_getparam compat_sys_sched_getparam
+156 common sched_setscheduler sys_sched_setscheduler compat_sys_sched_setscheduler
+157 common sched_getscheduler sys_sched_getscheduler sys_sched_getscheduler
+158 common sched_yield sys_sched_yield sys_sched_yield
+159 common sched_get_priority_max sys_sched_get_priority_max sys_sched_get_priority_max
+160 common sched_get_priority_min sys_sched_get_priority_min sys_sched_get_priority_min
+161 common sched_rr_get_interval sys_sched_rr_get_interval compat_sys_sched_rr_get_interval
+162 common nanosleep sys_nanosleep compat_sys_nanosleep
+163 common mremap sys_mremap compat_sys_mremap
+164 32 setresuid - compat_sys_s390_setresuid16
+165 32 getresuid - compat_sys_s390_getresuid16
+167 common query_module - -
+168 common poll sys_poll compat_sys_poll
+169 common nfsservctl - -
+170 32 setresgid - compat_sys_s390_setresgid16
+171 32 getresgid - compat_sys_s390_getresgid16
+172 common prctl sys_prctl compat_sys_prctl
+173 common rt_sigreturn sys_rt_sigreturn compat_sys_rt_sigreturn
+174 common rt_sigaction sys_rt_sigaction compat_sys_rt_sigaction
+175 common rt_sigprocmask sys_rt_sigprocmask compat_sys_rt_sigprocmask
+176 common rt_sigpending sys_rt_sigpending compat_sys_rt_sigpending
+177 common rt_sigtimedwait sys_rt_sigtimedwait compat_sys_rt_sigtimedwait
+178 common rt_sigqueueinfo sys_rt_sigqueueinfo compat_sys_rt_sigqueueinfo
+179 common rt_sigsuspend sys_rt_sigsuspend compat_sys_rt_sigsuspend
+180 common pread64 sys_pread64 compat_sys_s390_pread64
+181 common pwrite64 sys_pwrite64 compat_sys_s390_pwrite64
+182 32 chown - compat_sys_s390_chown16
+183 common getcwd sys_getcwd compat_sys_getcwd
+184 common capget sys_capget compat_sys_capget
+185 common capset sys_capset compat_sys_capset
+186 common sigaltstack sys_sigaltstack compat_sys_sigaltstack
+187 common sendfile sys_sendfile64 compat_sys_sendfile
+188 common getpmsg - -
+189 common putpmsg - -
+190 common vfork sys_vfork sys_vfork
+191 32 ugetrlimit - compat_sys_getrlimit
+191 64 getrlimit sys_getrlimit -
+192 32 mmap2 - compat_sys_s390_mmap2
+193 32 truncate64 - compat_sys_s390_truncate64
+194 32 ftruncate64 - compat_sys_s390_ftruncate64
+195 32 stat64 - compat_sys_s390_stat64
+196 32 lstat64 - compat_sys_s390_lstat64
+197 32 fstat64 - compat_sys_s390_fstat64
+198 32 lchown32 - compat_sys_lchown
+198 64 lchown sys_lchown -
+199 32 getuid32 - sys_getuid
+199 64 getuid sys_getuid -
+200 32 getgid32 - sys_getgid
+200 64 getgid sys_getgid -
+201 32 geteuid32 - sys_geteuid
+201 64 geteuid sys_geteuid -
+202 32 getegid32 - sys_getegid
+202 64 getegid sys_getegid -
+203 32 setreuid32 - sys_setreuid
+203 64 setreuid sys_setreuid -
+204 32 setregid32 - sys_setregid
+204 64 setregid sys_setregid -
+205 32 getgroups32 - compat_sys_getgroups
+205 64 getgroups sys_getgroups -
+206 32 setgroups32 - compat_sys_setgroups
+206 64 setgroups sys_setgroups -
+207 32 fchown32 - sys_fchown
+207 64 fchown sys_fchown -
+208 32 setresuid32 - sys_setresuid
+208 64 setresuid sys_setresuid -
+209 32 getresuid32 - compat_sys_getresuid
+209 64 getresuid sys_getresuid -
+210 32 setresgid32 - sys_setresgid
+210 64 setresgid sys_setresgid -
+211 32 getresgid32 - compat_sys_getresgid
+211 64 getresgid sys_getresgid -
+212 32 chown32 - compat_sys_chown
+212 64 chown sys_chown -
+213 32 setuid32 - sys_setuid
+213 64 setuid sys_setuid -
+214 32 setgid32 - sys_setgid
+214 64 setgid sys_setgid -
+215 32 setfsuid32 - sys_setfsuid
+215 64 setfsuid sys_setfsuid -
+216 32 setfsgid32 - sys_setfsgid
+216 64 setfsgid sys_setfsgid -
+217 common pivot_root sys_pivot_root compat_sys_pivot_root
+218 common mincore sys_mincore compat_sys_mincore
+219 common madvise sys_madvise compat_sys_madvise
+220 common getdents64 sys_getdents64 compat_sys_getdents64
+221 32 fcntl64 - compat_sys_fcntl64
+222 common readahead sys_readahead compat_sys_s390_readahead
+223 32 sendfile64 - compat_sys_sendfile64
+224 common setxattr sys_setxattr compat_sys_setxattr
+225 common lsetxattr sys_lsetxattr compat_sys_lsetxattr
+226 common fsetxattr sys_fsetxattr compat_sys_fsetxattr
+227 common getxattr sys_getxattr compat_sys_getxattr
+228 common lgetxattr sys_lgetxattr compat_sys_lgetxattr
+229 common fgetxattr sys_fgetxattr compat_sys_fgetxattr
+230 common listxattr sys_listxattr compat_sys_listxattr
+231 common llistxattr sys_llistxattr compat_sys_llistxattr
+232 common flistxattr sys_flistxattr compat_sys_flistxattr
+233 common removexattr sys_removexattr compat_sys_removexattr
+234 common lremovexattr sys_lremovexattr compat_sys_lremovexattr
+235 common fremovexattr sys_fremovexattr compat_sys_fremovexattr
+236 common gettid sys_gettid sys_gettid
+237 common tkill sys_tkill sys_tkill
+238 common futex sys_futex compat_sys_futex
+239 common sched_setaffinity sys_sched_setaffinity compat_sys_sched_setaffinity
+240 common sched_getaffinity sys_sched_getaffinity compat_sys_sched_getaffinity
+241 common tgkill sys_tgkill sys_tgkill
+243 common io_setup sys_io_setup compat_sys_io_setup
+244 common io_destroy sys_io_destroy compat_sys_io_destroy
+245 common io_getevents sys_io_getevents compat_sys_io_getevents
+246 common io_submit sys_io_submit compat_sys_io_submit
+247 common io_cancel sys_io_cancel compat_sys_io_cancel
+248 common exit_group sys_exit_group sys_exit_group
+249 common epoll_create sys_epoll_create sys_epoll_create
+250 common epoll_ctl sys_epoll_ctl compat_sys_epoll_ctl
+251 common epoll_wait sys_epoll_wait compat_sys_epoll_wait
+252 common set_tid_address sys_set_tid_address compat_sys_set_tid_address
+253 common fadvise64 sys_fadvise64_64 compat_sys_s390_fadvise64
+254 common timer_create sys_timer_create compat_sys_timer_create
+255 common timer_settime sys_timer_settime compat_sys_timer_settime
+256 common timer_gettime sys_timer_gettime compat_sys_timer_gettime
+257 common timer_getoverrun sys_timer_getoverrun sys_timer_getoverrun
+258 common timer_delete sys_timer_delete sys_timer_delete
+259 common clock_settime sys_clock_settime compat_sys_clock_settime
+260 common clock_gettime sys_clock_gettime compat_sys_clock_gettime
+261 common clock_getres sys_clock_getres compat_sys_clock_getres
+262 common clock_nanosleep sys_clock_nanosleep compat_sys_clock_nanosleep
+264 32 fadvise64_64 - compat_sys_s390_fadvise64_64
+265 common statfs64 sys_statfs64 compat_sys_statfs64
+266 common fstatfs64 sys_fstatfs64 compat_sys_fstatfs64
+267 common remap_file_pages sys_remap_file_pages compat_sys_remap_file_pages
+268 common mbind sys_mbind compat_sys_mbind
+269 common get_mempolicy sys_get_mempolicy compat_sys_get_mempolicy
+270 common set_mempolicy sys_set_mempolicy compat_sys_set_mempolicy
+271 common mq_open sys_mq_open compat_sys_mq_open
+272 common mq_unlink sys_mq_unlink compat_sys_mq_unlink
+273 common mq_timedsend sys_mq_timedsend compat_sys_mq_timedsend
+274 common mq_timedreceive sys_mq_timedreceive compat_sys_mq_timedreceive
+275 common mq_notify sys_mq_notify compat_sys_mq_notify
+276 common mq_getsetattr sys_mq_getsetattr compat_sys_mq_getsetattr
+277 common kexec_load sys_kexec_load compat_sys_kexec_load
+278 common add_key sys_add_key compat_sys_add_key
+279 common request_key sys_request_key compat_sys_request_key
+280 common keyctl sys_keyctl compat_sys_keyctl
+281 common waitid sys_waitid compat_sys_waitid
+282 common ioprio_set sys_ioprio_set sys_ioprio_set
+283 common ioprio_get sys_ioprio_get sys_ioprio_get
+284 common inotify_init sys_inotify_init sys_inotify_init
+285 common inotify_add_watch sys_inotify_add_watch compat_sys_inotify_add_watch
+286 common inotify_rm_watch sys_inotify_rm_watch sys_inotify_rm_watch
+287 common migrate_pages sys_migrate_pages compat_sys_migrate_pages
+288 common openat sys_openat compat_sys_openat
+289 common mkdirat sys_mkdirat compat_sys_mkdirat
+290 common mknodat sys_mknodat compat_sys_mknodat
+291 common fchownat sys_fchownat compat_sys_fchownat
+292 common futimesat sys_futimesat compat_sys_futimesat
+293 32 fstatat64 - compat_sys_s390_fstatat64
+293 64 newfstatat sys_newfstatat -
+294 common unlinkat sys_unlinkat compat_sys_unlinkat
+295 common renameat sys_renameat compat_sys_renameat
+296 common linkat sys_linkat compat_sys_linkat
+297 common symlinkat sys_symlinkat compat_sys_symlinkat
+298 common readlinkat sys_readlinkat compat_sys_readlinkat
+299 common fchmodat sys_fchmodat compat_sys_fchmodat
+300 common faccessat sys_faccessat compat_sys_faccessat
+301 common pselect6 sys_pselect6 compat_sys_pselect6
+302 common ppoll sys_ppoll compat_sys_ppoll
+303 common unshare sys_unshare compat_sys_unshare
+304 common set_robust_list sys_set_robust_list compat_sys_set_robust_list
+305 common get_robust_list sys_get_robust_list compat_sys_get_robust_list
+306 common splice sys_splice compat_sys_splice
+307 common sync_file_range sys_sync_file_range compat_sys_s390_sync_file_range
+308 common tee sys_tee compat_sys_tee
+309 common vmsplice sys_vmsplice compat_sys_vmsplice
+310 common move_pages sys_move_pages compat_sys_move_pages
+311 common getcpu sys_getcpu compat_sys_getcpu
+312 common epoll_pwait sys_epoll_pwait compat_sys_epoll_pwait
+313 common utimes sys_utimes compat_sys_utimes
+314 common fallocate sys_fallocate compat_sys_s390_fallocate
+315 common utimensat sys_utimensat compat_sys_utimensat
+316 common signalfd sys_signalfd compat_sys_signalfd
+317 common timerfd - -
+318 common eventfd sys_eventfd sys_eventfd
+319 common timerfd_create sys_timerfd_create sys_timerfd_create
+320 common timerfd_settime sys_timerfd_settime compat_sys_timerfd_settime
+321 common timerfd_gettime sys_timerfd_gettime compat_sys_timerfd_gettime
+322 common signalfd4 sys_signalfd4 compat_sys_signalfd4
+323 common eventfd2 sys_eventfd2 sys_eventfd2
+324 common inotify_init1 sys_inotify_init1 sys_inotify_init1
+325 common pipe2 sys_pipe2 compat_sys_pipe2
+326 common dup3 sys_dup3 sys_dup3
+327 common epoll_create1 sys_epoll_create1 sys_epoll_create1
+328 common preadv sys_preadv compat_sys_preadv
+329 common pwritev sys_pwritev compat_sys_pwritev
+330 common rt_tgsigqueueinfo sys_rt_tgsigqueueinfo compat_sys_rt_tgsigqueueinfo
+331 common perf_event_open sys_perf_event_open compat_sys_perf_event_open
+332 common fanotify_init sys_fanotify_init sys_fanotify_init
+333 common fanotify_mark sys_fanotify_mark compat_sys_fanotify_mark
+334 common prlimit64 sys_prlimit64 compat_sys_prlimit64
+335 common name_to_handle_at sys_name_to_handle_at compat_sys_name_to_handle_at
+336 common open_by_handle_at sys_open_by_handle_at compat_sys_open_by_handle_at
+337 common clock_adjtime sys_clock_adjtime compat_sys_clock_adjtime
+338 common syncfs sys_syncfs sys_syncfs
+339 common setns sys_setns sys_setns
+340 common process_vm_readv sys_process_vm_readv compat_sys_process_vm_readv
+341 common process_vm_writev sys_process_vm_writev compat_sys_process_vm_writev
+342 common s390_runtime_instr sys_s390_runtime_instr sys_s390_runtime_instr
+343 common kcmp sys_kcmp compat_sys_kcmp
+344 common finit_module sys_finit_module compat_sys_finit_module
+345 common sched_setattr sys_sched_setattr compat_sys_sched_setattr
+346 common sched_getattr sys_sched_getattr compat_sys_sched_getattr
+347 common renameat2 sys_renameat2 compat_sys_renameat2
+348 common seccomp sys_seccomp compat_sys_seccomp
+349 common getrandom sys_getrandom compat_sys_getrandom
+350 common memfd_create sys_memfd_create compat_sys_memfd_create
+351 common bpf sys_bpf compat_sys_bpf
+352 common s390_pci_mmio_write sys_s390_pci_mmio_write compat_sys_s390_pci_mmio_write
+353 common s390_pci_mmio_read sys_s390_pci_mmio_read compat_sys_s390_pci_mmio_read
+354 common execveat sys_execveat compat_sys_execveat
+355 common userfaultfd sys_userfaultfd sys_userfaultfd
+356 common membarrier sys_membarrier sys_membarrier
+357 common recvmmsg sys_recvmmsg compat_sys_recvmmsg
+358 common sendmmsg sys_sendmmsg compat_sys_sendmmsg
+359 common socket sys_socket sys_socket
+360 common socketpair sys_socketpair compat_sys_socketpair
+361 common bind sys_bind compat_sys_bind
+362 common connect sys_connect compat_sys_connect
+363 common listen sys_listen sys_listen
+364 common accept4 sys_accept4 compat_sys_accept4
+365 common getsockopt sys_getsockopt compat_sys_getsockopt
+366 common setsockopt sys_setsockopt compat_sys_setsockopt
+367 common getsockname sys_getsockname compat_sys_getsockname
+368 common getpeername sys_getpeername compat_sys_getpeername
+369 common sendto sys_sendto compat_sys_sendto
+370 common sendmsg sys_sendmsg compat_sys_sendmsg
+371 common recvfrom sys_recvfrom compat_sys_recvfrom
+372 common recvmsg sys_recvmsg compat_sys_recvmsg
+373 common shutdown sys_shutdown sys_shutdown
+374 common mlock2 sys_mlock2 compat_sys_mlock2
+375 common copy_file_range sys_copy_file_range compat_sys_copy_file_range
+376 common preadv2 sys_preadv2 compat_sys_preadv2
+377 common pwritev2 sys_pwritev2 compat_sys_pwritev2
+378 common s390_guarded_storage sys_s390_guarded_storage compat_sys_s390_guarded_storage
+379 common statx sys_statx compat_sys_statx
+380 common s390_sthyi sys_s390_sthyi compat_sys_s390_sthyi
diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
index c0815a37fdb5..539c3d460158 100644
--- a/tools/perf/builtin-c2c.c
+++ b/tools/perf/builtin-c2c.c
@@ -2245,7 +2245,7 @@ static int perf_c2c__browse_cacheline(struct hist_entry *he)
c2c_browser__update_nr_entries(browser);
while (1) {
- key = hist_browser__run(browser, "? - help");
+ key = hist_browser__run(browser, "? - help", true);
switch (key) {
case 's':
@@ -2314,7 +2314,7 @@ static int perf_c2c__hists_browse(struct hists *hists)
c2c_browser__update_nr_entries(browser);
while (1) {
- key = hist_browser__run(browser, "? - help");
+ key = hist_browser__run(browser, "? - help", true);
switch (key) {
case 'q':
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 42a52dcc41cd..4ad5dc649716 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -530,7 +530,8 @@ static int report__browse_hists(struct report *rep)
case 1:
ret = perf_evlist__tui_browse_hists(evlist, help, NULL,
rep->min_percent,
- &session->header.env);
+ &session->header.env,
+ true);
/*
* Usually "ret" is the last pressed key, and we only
* care if the key notifies us to switch data file.
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index c6ccda52117d..b7c823ba8374 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -283,8 +283,9 @@ static void perf_top__print_sym_table(struct perf_top *top)
printf("%-*.*s\n", win_width, win_width, graph_dotted_line);
- if (hists->stats.nr_lost_warned !=
- hists->stats.nr_events[PERF_RECORD_LOST]) {
+ if (!top->record_opts.overwrite &&
+ (hists->stats.nr_lost_warned !=
+ hists->stats.nr_events[PERF_RECORD_LOST])) {
hists->stats.nr_lost_warned =
hists->stats.nr_events[PERF_RECORD_LOST];
color_fprintf(stdout, PERF_COLOR_RED,
@@ -611,7 +612,8 @@ static void *display_thread_tui(void *arg)
perf_evlist__tui_browse_hists(top->evlist, help, &hbt,
top->min_percent,
- &top->session->header.env);
+ &top->session->header.env,
+ !top->record_opts.overwrite);
done = 1;
return NULL;
@@ -807,15 +809,23 @@ static void perf_event__process_sample(struct perf_tool *tool,
static void perf_top__mmap_read_idx(struct perf_top *top, int idx)
{
+ struct record_opts *opts = &top->record_opts;
+ struct perf_evlist *evlist = top->evlist;
struct perf_sample sample;
struct perf_evsel *evsel;
+ struct perf_mmap *md;
struct perf_session *session = top->session;
union perf_event *event;
struct machine *machine;
+ u64 end, start;
int ret;
- while ((event = perf_evlist__mmap_read(top->evlist, idx)) != NULL) {
- ret = perf_evlist__parse_sample(top->evlist, event, &sample);
+ md = opts->overwrite ? &evlist->overwrite_mmap[idx] : &evlist->mmap[idx];
+ if (perf_mmap__read_init(md, opts->overwrite, &start, &end) < 0)
+ return;
+
+ while ((event = perf_mmap__read_event(md, opts->overwrite, &start, end)) != NULL) {
+ ret = perf_evlist__parse_sample(evlist, event, &sample);
if (ret) {
pr_err("Can't parse sample, err = %d\n", ret);
goto next_event;
@@ -869,16 +879,120 @@ static void perf_top__mmap_read_idx(struct perf_top *top, int idx)
} else
++session->evlist->stats.nr_unknown_events;
next_event:
- perf_evlist__mmap_consume(top->evlist, idx);
+ perf_mmap__consume(md, opts->overwrite);
}
+
+ perf_mmap__read_done(md);
}
static void perf_top__mmap_read(struct perf_top *top)
{
+ bool overwrite = top->record_opts.overwrite;
+ struct perf_evlist *evlist = top->evlist;
+ unsigned long long start, end;
int i;
+ start = rdclock();
+ if (overwrite)
+ perf_evlist__toggle_bkw_mmap(evlist, BKW_MMAP_DATA_PENDING);
+
for (i = 0; i < top->evlist->nr_mmaps; i++)
perf_top__mmap_read_idx(top, i);
+
+ if (overwrite) {
+ perf_evlist__toggle_bkw_mmap(evlist, BKW_MMAP_EMPTY);
+ perf_evlist__toggle_bkw_mmap(evlist, BKW_MMAP_RUNNING);
+ }
+ end = rdclock();
+
+ if ((end - start) > (unsigned long long)top->delay_secs * NSEC_PER_SEC)
+ ui__warning("Too slow to read ring buffer.\n"
+ "Please try increasing the period (-c) or\n"
+ "decreasing the freq (-F) or\n"
+ "limiting the number of CPUs (-C)\n");
+}
+
+/*
+ * Check per-event overwrite term.
+ * perf top should support consistent term for all events.
+ * - All events don't have per-event term
+ * E.g. "cpu/cpu-cycles/,cpu/instructions/"
+ * Nothing change, return 0.
+ * - All events have same per-event term
+ * E.g. "cpu/cpu-cycles,no-overwrite/,cpu/instructions,no-overwrite/
+ * Using the per-event setting to replace the opts->overwrite if
+ * they are different, then return 0.
+ * - Events have different per-event term
+ * E.g. "cpu/cpu-cycles,overwrite/,cpu/instructions,no-overwrite/"
+ * Return -1
+ * - Some of the event set per-event term, but some not.
+ * E.g. "cpu/cpu-cycles/,cpu/instructions,no-overwrite/"
+ * Return -1
+ */
+static int perf_top__overwrite_check(struct perf_top *top)
+{
+ struct record_opts *opts = &top->record_opts;
+ struct perf_evlist *evlist = top->evlist;
+ struct perf_evsel_config_term *term;
+ struct list_head *config_terms;
+ struct perf_evsel *evsel;
+ int set, overwrite = -1;
+
+ evlist__for_each_entry(evlist, evsel) {
+ set = -1;
+ config_terms = &evsel->config_terms;
+ list_for_each_entry(term, config_terms, list) {
+ if (term->type == PERF_EVSEL__CONFIG_TERM_OVERWRITE)
+ set = term->val.overwrite ? 1 : 0;
+ }
+
+ /* no term for current and previous event (likely) */
+ if ((overwrite < 0) && (set < 0))
+ continue;
+
+ /* has term for both current and previous event, compare */
+ if ((overwrite >= 0) && (set >= 0) && (overwrite != set))
+ return -1;
+
+ /* no term for current event but has term for previous one */
+ if ((overwrite >= 0) && (set < 0))
+ return -1;
+
+ /* has term for current event */
+ if ((overwrite < 0) && (set >= 0)) {
+ /* if it's first event, set overwrite */
+ if (evsel == perf_evlist__first(evlist))
+ overwrite = set;
+ else
+ return -1;
+ }
+ }
+
+ if ((overwrite >= 0) && (opts->overwrite != overwrite))
+ opts->overwrite = overwrite;
+
+ return 0;
+}
+
+static int perf_top_overwrite_fallback(struct perf_top *top,
+ struct perf_evsel *evsel)
+{
+ struct record_opts *opts = &top->record_opts;
+ struct perf_evlist *evlist = top->evlist;
+ struct perf_evsel *counter;
+
+ if (!opts->overwrite)
+ return 0;
+
+ /* only fall back when first event fails */
+ if (evsel != perf_evlist__first(evlist))
+ return 0;
+
+ evlist__for_each_entry(evlist, counter)
+ counter->attr.write_backward = false;
+ opts->overwrite = false;
+ ui__warning("fall back to non-overwrite mode\n");
+ return 1;
}
static int perf_top__start_counters(struct perf_top *top)
@@ -888,12 +1002,33 @@ static int perf_top__start_counters(struct perf_top *top)
struct perf_evlist *evlist = top->evlist;
struct record_opts *opts = &top->record_opts;
+ if (perf_top__overwrite_check(top)) {
+ ui__error("perf top only support consistent per-event "
+ "overwrite setting for all events\n");
+ goto out_err;
+ }
+
perf_evlist__config(evlist, opts, &callchain_param);
evlist__for_each_entry(evlist, counter) {
try_again:
if (perf_evsel__open(counter, top->evlist->cpus,
top->evlist->threads) < 0) {
+
+ /*
+ * Specially handle overwrite fall back.
+ * Because perf top is the only tool which has
+ * overwrite mode by default, support
+ * both overwrite and non-overwrite mode, and
+ * require consistent mode for all events.
+ *
+ * May move it to generic code with more tools
+ * have similar attribute.
+ */
+ if (perf_missing_features.write_backward &&
+ perf_top_overwrite_fallback(top, counter))
+ goto try_again;
+
if (perf_evsel__fallback(counter, errno, msg, sizeof(msg))) {
if (verbose > 0)
ui__warning("%s\n", msg);
@@ -1033,7 +1168,7 @@ static int __cmd_top(struct perf_top *top)
perf_top__mmap_read(top);
- if (hits == top->samples)
+ if (opts->overwrite || (hits == top->samples))
ret = perf_evlist__poll(top->evlist, 100);
if (resize) {
@@ -1127,6 +1262,7 @@ int cmd_top(int argc, const char **argv)
.uses_mmap = true,
},
.proc_map_timeout = 500,
+ .overwrite = 1,
},
.max_stack = sysctl_perf_event_max_stack,
.sym_pcnt_filter = 5,
diff --git a/tools/perf/check-headers.sh b/tools/perf/check-headers.sh
index 51abdb0a4047..790ec25919a0 100755
--- a/tools/perf/check-headers.sh
+++ b/tools/perf/check-headers.sh
@@ -33,7 +33,6 @@ arch/s390/include/uapi/asm/kvm.h
arch/s390/include/uapi/asm/kvm_perf.h
arch/s390/include/uapi/asm/ptrace.h
arch/s390/include/uapi/asm/sie.h
-arch/s390/include/uapi/asm/unistd.h
arch/arm/include/uapi/asm/kvm.h
arch/arm64/include/uapi/asm/kvm.h
arch/alpha/include/uapi/asm/errno.h
diff --git a/tools/perf/pmu-events/arch/arm64/cortex-a53/branch.json b/tools/perf/pmu-events/arch/arm64/cortex-a53/branch.json
new file mode 100644
index 000000000000..3b6208763e50
--- /dev/null
+++ b/tools/perf/pmu-events/arch/arm64/cortex-a53/branch.json
@@ -0,0 +1,27 @@
+[
+ {,
+ "EventCode": "0x7A",
+ "EventName": "BR_INDIRECT_SPEC",
+ "BriefDescription": "Branch speculatively executed - Indirect branch"
+ },
+ {,
+ "EventCode": "0xC9",
+ "EventName": "BR_COND",
+ "BriefDescription": "Conditional branch executed"
+ },
+ {,
+ "EventCode": "0xCA",
+ "EventName": "BR_INDIRECT_MISPRED",
+ "BriefDescription": "Indirect branch mispredicted"
+ },
+ {,
+ "EventCode": "0xCB",
+ "EventName": "BR_INDIRECT_MISPRED_ADDR",
+ "BriefDescription": "Indirect branch mispredicted because of address miscompare"
+ },
+ {,
+ "EventCode": "0xCC",
+ "EventName": "BR_COND_MISPRED",
+ "BriefDescription": "Conditional branch mispredicted"
+ }
+]
diff --git a/tools/perf/pmu-events/arch/arm64/cortex-a53/bus.json b/tools/perf/pmu-events/arch/arm64/cortex-a53/bus.json
new file mode 100644
index 000000000000..480d9f7460ab
--- /dev/null
+++ b/tools/perf/pmu-events/arch/arm64/cortex-a53/bus.json
@@ -0,0 +1,22 @@
+[
+ {,
+ "EventCode": "0x60",
+ "EventName": "BUS_ACCESS_LD",
+ "BriefDescription": "Bus access - Read"
+ },
+ {,
+ "EventCode": "0x61",
+ "EventName": "BUS_ACCESS_ST",
+ "BriefDescription": "Bus access - Write"
+ },
+ {,
+ "EventCode": "0xC0",
+ "EventName": "EXT_MEM_REQ",
+ "BriefDescription": "External memory request"
+ },
+ {,
+ "EventCode": "0xC1",
+ "EventName": "EXT_MEM_REQ_NC",
+ "BriefDescription": "Non-cacheable external memory request"
+ }
+]
diff --git a/tools/perf/pmu-events/arch/arm64/cortex-a53/cache.json b/tools/perf/pmu-events/arch/arm64/cortex-a53/cache.json
new file mode 100644
index 000000000000..11baad6344b9
--- /dev/null
+++ b/tools/perf/pmu-events/arch/arm64/cortex-a53/cache.json
@@ -0,0 +1,27 @@
+[
+ {,
+ "EventCode": "0xC2",
+ "EventName": "PREFETCH_LINEFILL",
+ "BriefDescription": "Linefill because of prefetch"
+ },
+ {,
+ "EventCode": "0xC3",
+ "EventName": "PREFETCH_LINEFILL_DROP",
+ "BriefDescription": "Instruction Cache Throttle occurred"
+ },
+ {,
+ "EventCode": "0xC4",
+ "EventName": "READ_ALLOC_ENTER",
+ "BriefDescription": "Entering read allocate mode"
+ },
+ {,
+ "EventCode": "0xC5",
+ "EventName": "READ_ALLOC",
+ "BriefDescription": "Read allocate mode"
+ },
+ {,
+ "EventCode": "0xC8",
+ "EventName": "EXT_SNOOP",
+ "BriefDescription": "SCU Snooped data from another CPU for this CPU"
+ }
+]
diff --git a/tools/perf/pmu-events/arch/arm64/cortex-a53/memory.json b/tools/perf/pmu-events/arch/arm64/cortex-a53/memory.json
new file mode 100644
index 000000000000..480d9f7460ab
--- /dev/null
+++ b/tools/perf/pmu-events/arch/arm64/cortex-a53/memory.json
@@ -0,0 +1,22 @@
+[
+ {,
+ "EventCode": "0x60",
+ "EventName": "BUS_ACCESS_LD",
+ "BriefDescription": "Bus access - Read"
+ },
+ {,
+ "EventCode": "0x61",
+ "EventName": "BUS_ACCESS_ST",
+ "BriefDescription": "Bus access - Write"
+ },
+ {,
+ "EventCode": "0xC0",
+ "EventName": "EXT_MEM_REQ",
+ "BriefDescription": "External memory request"
+ },
+ {,
+ "EventCode": "0xC1",
+ "EventName": "EXT_MEM_REQ_NC",
+ "BriefDescription": "Non-cacheable external memory request"
+ }
+]
diff --git a/tools/perf/pmu-events/arch/arm64/cortex-a53/other.json b/tools/perf/pmu-events/arch/arm64/cortex-a53/other.json
new file mode 100644
index 000000000000..73a22402d003
--- /dev/null
+++ b/tools/perf/pmu-events/arch/arm64/cortex-a53/other.json
@@ -0,0 +1,32 @@
+[
+ {,
+ "EventCode": "0x86",
+ "EventName": "EXC_IRQ",
+ "BriefDescription": "Exception taken, IRQ"
+ },
+ {,
+ "EventCode": "0x87",
+ "EventName": "EXC_FIQ",
+ "BriefDescription": "Exception taken, FIQ"
+ },
+ {,
+ "EventCode": "0xC6",
+ "EventName": "PRE_DECODE_ERR",
+ "BriefDescription": "Pre-decode error"
+ },
+ {,
+ "EventCode": "0xD0",
+ "EventName": "L1I_CACHE_ERR",
+ "BriefDescription": "L1 Instruction Cache (data or tag) memory error"
+ },
+ {,
+ "EventCode": "0xD1",
+ "EventName": "L1D_CACHE_ERR",
+ "BriefDescription": "L1 Data Cache (data, tag or dirty) memory error, correctable or non-correctable"
+ },
+ {,
+ "EventCode": "0xD2",
+ "EventName": "TLB_ERR",
+ "BriefDescription": "TLB memory error"
+ }
+]
diff --git a/tools/perf/pmu-events/arch/arm64/cortex-a53/pipeline.json b/tools/perf/pmu-events/arch/arm64/cortex-a53/pipeline.json
new file mode 100644
index 000000000000..3149fb90555a
--- /dev/null
+++ b/tools/perf/pmu-events/arch/arm64/cortex-a53/pipeline.json
@@ -0,0 +1,52 @@
+[
+ {,
+ "EventCode": "0xC7",
+ "EventName": "STALL_SB_FULL",
+ "BriefDescription": "Data Write operation that stalls the pipeline because the store buffer is full"
+ },
+ {,
+ "EventCode": "0xE0",
+ "EventName": "OTHER_IQ_DEP_STALL",
+ "BriefDescription": "Cycles that the DPU IQ is empty and that is not because of a recent micro-TLB miss, instruction cache miss or pre-decode error"
+ },
+ {,
+ "EventCode": "0xE1",
+ "EventName": "IC_DEP_STALL",
+ "BriefDescription": "Cycles the DPU IQ is empty and there is an instruction cache miss being processed"
+ },
+ {,
+ "EventCode": "0xE2",
+ "EventName": "IUTLB_DEP_STALL",
+ "BriefDescription": "Cycles the DPU IQ is empty and there is an instruction micro-TLB miss being processed"
+ },
+ {,
+ "EventCode": "0xE3",
+ "EventName": "DECODE_DEP_STALL",
+ "BriefDescription": "Cycles the DPU IQ is empty and there is a pre-decode error being processed"
+ },
+ {,
+ "EventCode": "0xE4",
+ "EventName": "OTHER_INTERLOCK_STALL",
+ "BriefDescription": "Cycles there is an interlock other than Advanced SIMD/Floating-point instructions or load/store instruction"
+ },
+ {,
+ "EventCode": "0xE5",
+ "EventName": "AGU_DEP_STALL",
+ "BriefDescription": "Cycles there is an interlock for a load/store instruction waiting for data to calculate the address in the AGU"
+ },
+ {,
+ "EventCode": "0xE6",
+ "EventName": "SIMD_DEP_STALL",
+ "BriefDescription": "Cycles there is an interlock for an Advanced SIMD/Floating-point operation."
+ },
+ {,
+ "EventCode": "0xE7",
+ "EventName": "LD_DEP_STALL",
+ "BriefDescription": "Cycles there is a stall in the Wr stage because of a load miss"
+ },
+ {,
+ "EventCode": "0xE8",
+ "EventName": "ST_DEP_STALL",
+ "BriefDescription": "Cycles there is a stall in the Wr stage because of a store"
+ }
+]
diff --git a/tools/perf/pmu-events/arch/arm64/mapfile.csv b/tools/perf/pmu-events/arch/arm64/mapfile.csv
index 219d6756134e..e61c9ca6cf9e 100644
--- a/tools/perf/pmu-events/arch/arm64/mapfile.csv
+++ b/tools/perf/pmu-events/arch/arm64/mapfile.csv
@@ -13,3 +13,4 @@
#
#Family-model,Version,Filename,EventType
0x00000000420f5160,v1,cavium,core
+0x00000000410fd03[[:xdigit:]],v1,cortex-a53,core
diff --git a/tools/perf/tests/backward-ring-buffer.c b/tools/perf/tests/backward-ring-buffer.c
index 4035d43523c3..e0b1b414d466 100644
--- a/tools/perf/tests/backward-ring-buffer.c
+++ b/tools/perf/tests/backward-ring-buffer.c
@@ -31,10 +31,12 @@ static int count_samples(struct perf_evlist *evlist, int *sample_count,
int i;
for (i = 0; i < evlist->nr_mmaps; i++) {
+ struct perf_mmap *map = &evlist->overwrite_mmap[i];
union perf_event *event;
+ u64 start, end;
- perf_mmap__read_catchup(&evlist->overwrite_mmap[i]);
- while ((event = perf_mmap__read_backward(&evlist->overwrite_mmap[i])) != NULL) {
+ perf_mmap__read_init(map, true, &start, &end);
+ while ((event = perf_mmap__read_event(map, true, &start, end)) != NULL) {
const u32 type = event->header.type;
switch (type) {
@@ -49,6 +51,7 @@ static int count_samples(struct perf_evlist *evlist, int *sample_count,
return TEST_FAIL;
}
}
+ perf_mmap__read_done(map);
}
return TEST_OK;
}
diff --git a/tools/perf/tests/shell/trace+probe_libc_inet_pton.sh b/tools/perf/tests/shell/trace+probe_libc_inet_pton.sh
index 8b3da21a08f1..c446c894b297 100755
--- a/tools/perf/tests/shell/trace+probe_libc_inet_pton.sh
+++ b/tools/perf/tests/shell/trace+probe_libc_inet_pton.sh
@@ -22,10 +22,23 @@ trace_libc_inet_pton_backtrace() {
expected[4]="rtt min.*"
expected[5]="[0-9]+\.[0-9]+[[:space:]]+probe_libc:inet_pton:\([[:xdigit:]]+\)"
expected[6]=".*inet_pton[[:space:]]\($libc\)$"
- expected[7]="getaddrinfo[[:space:]]\($libc\)$"
- expected[8]=".*\(.*/bin/ping.*\)$"
-
- perf trace --no-syscalls -e probe_libc:inet_pton/max-stack=3/ ping -6 -c 1 ::1 2>&1 | grep -v ^$ | while read line ; do
+ case "$(uname -m)" in
+ s390x)
+ eventattr='call-graph=dwarf'
+ expected[7]="gaih_inet[[:space:]]\(inlined\)$"
+ expected[8]="__GI_getaddrinfo[[:space:]]\(inlined\)$"
+ expected[9]="main[[:space:]]\(.*/bin/ping.*\)$"
+ expected[10]="__libc_start_main[[:space:]]\($libc\)$"
+ expected[11]="_start[[:space:]]\(.*/bin/ping.*\)$"
+ ;;
+ *)
+ eventattr='max-stack=3'
+ expected[7]="getaddrinfo[[:space:]]\($libc\)$"
+ expected[8]=".*\(.*/bin/ping.*\)$"
+ ;;
+ esac
+
+ perf trace --no-syscalls -e probe_libc:inet_pton/$eventattr/ ping -6 -c 1 ::1 2>&1 | grep -v ^$ | while read line ; do
echo $line
echo "$line" | egrep -q "${expected[$idx]}"
if [ $? -ne 0 ] ; then
@@ -33,7 +46,7 @@ trace_libc_inet_pton_backtrace() {
exit 1
fi
let idx+=1
- [ $idx -eq 9 ] && break
+ [ -z "${expected[$idx]}" ] && break
done
}
diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index 68146f4620a5..6495ee55d9c3 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -608,7 +608,8 @@ static int hist_browser__title(struct hist_browser *browser, char *bf, size_t si
return browser->title ? browser->title(browser, bf, size) : 0;
}
-int hist_browser__run(struct hist_browser *browser, const char *help)
+int hist_browser__run(struct hist_browser *browser, const char *help,
+ bool warn_lost_event)
{
int key;
char title[160];
@@ -638,8 +639,9 @@ int hist_browser__run(struct hist_browser *browser, const char *help)
nr_entries = hist_browser__nr_entries(browser);
ui_browser__update_nr_entries(&browser->b, nr_entries);
- if (browser->hists->stats.nr_lost_warned !=
- browser->hists->stats.nr_events[PERF_RECORD_LOST]) {
+ if (warn_lost_event &&
+ (browser->hists->stats.nr_lost_warned !=
+ browser->hists->stats.nr_events[PERF_RECORD_LOST])) {
browser->hists->stats.nr_lost_warned =
browser->hists->stats.nr_events[PERF_RECORD_LOST];
ui_browser__warn_lost_events(&browser->b);
@@ -2763,7 +2765,8 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
bool left_exits,
struct hist_browser_timer *hbt,
float min_pcnt,
- struct perf_env *env)
+ struct perf_env *env,
+ bool warn_lost_event)
{
struct hists *hists = evsel__hists(evsel);
struct hist_browser *browser = perf_evsel_browser__new(evsel, hbt, env);
@@ -2844,7 +2847,8 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
nr_options = 0;
- key = hist_browser__run(browser, helpline);
+ key = hist_browser__run(browser, helpline,
+ warn_lost_event);
if (browser->he_selection != NULL) {
thread = hist_browser__selected_thread(browser);
@@ -3184,7 +3188,8 @@ 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,
- struct hist_browser_timer *hbt)
+ struct hist_browser_timer *hbt,
+ bool warn_lost_event)
{
struct perf_evlist *evlist = menu->b.priv;
struct perf_evsel *pos;
@@ -3203,7 +3208,9 @@ static int perf_evsel_menu__run(struct perf_evsel_menu *menu,
case K_TIMER:
hbt->timer(hbt->arg);
- if (!menu->lost_events_warned && menu->lost_events) {
+ if (!menu->lost_events_warned &&
+ menu->lost_events &&
+ warn_lost_event) {
ui_browser__warn_lost_events(&menu->b);
menu->lost_events_warned = true;
}
@@ -3224,7 +3231,8 @@ browse_hists:
key = perf_evsel__hists_browse(pos, nr_events, help,
true, hbt,
menu->min_pcnt,
- menu->env);
+ menu->env,
+ warn_lost_event);
ui_browser__show_title(&menu->b, title);
switch (key) {
case K_TAB:
@@ -3282,7 +3290,8 @@ static int __perf_evlist__tui_browse_hists(struct perf_evlist *evlist,
int nr_entries, const char *help,
struct hist_browser_timer *hbt,
float min_pcnt,
- struct perf_env *env)
+ struct perf_env *env,
+ bool warn_lost_event)
{
struct perf_evsel *pos;
struct perf_evsel_menu menu = {
@@ -3309,13 +3318,15 @@ static int __perf_evlist__tui_browse_hists(struct perf_evlist *evlist,
menu.b.width = line_len;
}
- return perf_evsel_menu__run(&menu, nr_entries, help, hbt);
+ return perf_evsel_menu__run(&menu, nr_entries, help,
+ hbt, warn_lost_event);
}
int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help,
struct hist_browser_timer *hbt,
float min_pcnt,
- struct perf_env *env)
+ struct perf_env *env,
+ bool warn_lost_event)
{
int nr_entries = evlist->nr_entries;
@@ -3325,7 +3336,7 @@ single_entry:
return perf_evsel__hists_browse(first, nr_entries, help,
false, hbt, min_pcnt,
- env);
+ env, warn_lost_event);
}
if (symbol_conf.event_group) {
@@ -3342,5 +3353,6 @@ single_entry:
}
return __perf_evlist__tui_browse_hists(evlist, nr_entries, help,
- hbt, min_pcnt, env);
+ hbt, min_pcnt, env,
+ warn_lost_event);
}
diff --git a/tools/perf/ui/browsers/hists.h b/tools/perf/ui/browsers/hists.h
index ba431777f559..9428bee076f2 100644
--- a/tools/perf/ui/browsers/hists.h
+++ b/tools/perf/ui/browsers/hists.h
@@ -28,7 +28,8 @@ struct hist_browser {
struct hist_browser *hist_browser__new(struct hists *hists);
void hist_browser__delete(struct hist_browser *browser);
-int hist_browser__run(struct hist_browser *browser, const char *help);
+int hist_browser__run(struct hist_browser *browser, const char *help,
+ bool warn_lost_event);
void hist_browser__init(struct hist_browser *browser,
struct hists *hists);
#endif /* _PERF_UI_BROWSER_HISTS_H_ */
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index ac35cd214feb..e5fc14e53c05 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -715,28 +715,11 @@ union perf_event *perf_evlist__mmap_read_forward(struct perf_evlist *evlist, int
return perf_mmap__read_forward(md);
}
-union perf_event *perf_evlist__mmap_read_backward(struct perf_evlist *evlist, int idx)
-{
- struct perf_mmap *md = &evlist->mmap[idx];
-
- /*
- * No need to check messup for backward ring buffer:
- * We can always read arbitrary long data from a backward
- * ring buffer unless we forget to pause it before reading.
- */
- return perf_mmap__read_backward(md);
-}
-
union perf_event *perf_evlist__mmap_read(struct perf_evlist *evlist, int idx)
{
return perf_evlist__mmap_read_forward(evlist, idx);
}
-void perf_evlist__mmap_read_catchup(struct perf_evlist *evlist, int idx)
-{
- perf_mmap__read_catchup(&evlist->mmap[idx]);
-}
-
void perf_evlist__mmap_consume(struct perf_evlist *evlist, int idx)
{
perf_mmap__consume(&evlist->mmap[idx], false);
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index 75f8e0ad5d76..336b838e6957 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -133,10 +133,6 @@ union perf_event *perf_evlist__mmap_read(struct perf_evlist *evlist, int idx);
union perf_event *perf_evlist__mmap_read_forward(struct perf_evlist *evlist,
int idx);
-union perf_event *perf_evlist__mmap_read_backward(struct perf_evlist *evlist,
- int idx);
-void perf_evlist__mmap_read_catchup(struct perf_evlist *evlist, int idx);
-
void perf_evlist__mmap_consume(struct perf_evlist *evlist, int idx);
int perf_evlist__open(struct perf_evlist *evlist);
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index ff359c9ece2e..ef351688b797 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -41,17 +41,7 @@
#include "sane_ctype.h"
-static struct {
- bool sample_id_all;
- bool exclude_guest;
- bool mmap2;
- bool cloexec;
- bool clockid;
- bool clockid_wrong;
- bool lbr_flags;
- bool write_backward;
- bool group_read;
-} perf_missing_features;
+struct perf_missing_features perf_missing_features;
static clockid_t clockid;
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index 846e41644525..a7487c6d1866 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -149,6 +149,20 @@ union u64_swap {
u32 val32[2];
};
+struct perf_missing_features {
+ bool sample_id_all;
+ bool exclude_guest;
+ bool mmap2;
+ bool cloexec;
+ bool clockid;
+ bool clockid_wrong;
+ bool lbr_flags;
+ bool write_backward;
+ bool group_read;
+};
+
+extern struct perf_missing_features perf_missing_features;
+
struct cpu_map;
struct target;
struct thread_map;
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index f6630cb95eff..02721b579746 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -430,7 +430,8 @@ int hist_entry__tui_annotate(struct hist_entry *he, struct perf_evsel *evsel,
int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help,
struct hist_browser_timer *hbt,
float min_pcnt,
- struct perf_env *env);
+ struct perf_env *env,
+ bool warn_lost_event);
int script_browse(const char *script_opt);
#else
static inline
@@ -438,7 +439,8 @@ int perf_evlist__tui_browse_hists(struct perf_evlist *evlist __maybe_unused,
const char *help __maybe_unused,
struct hist_browser_timer *hbt __maybe_unused,
float min_pcnt __maybe_unused,
- struct perf_env *env __maybe_unused)
+ struct perf_env *env __maybe_unused,
+ bool warn_lost_event __maybe_unused)
{
return 0;
}
diff --git a/tools/perf/util/mmap.c b/tools/perf/util/mmap.c
index 05076e683938..91531a7c8fbf 100644
--- a/tools/perf/util/mmap.c
+++ b/tools/perf/util/mmap.c
@@ -22,29 +22,27 @@ size_t perf_mmap__mmap_len(struct perf_mmap *map)
/* When check_messup is true, 'end' must points to a good entry */
static union perf_event *perf_mmap__read(struct perf_mmap *map,
- u64 start, u64 end, u64 *prev)
+ u64 *startp, u64 end)
{
unsigned char *data = map->base + page_size;
union perf_event *event = NULL;
- int diff = end - start;
+ int diff = end - *startp;
if (diff >= (int)sizeof(event->header)) {
size_t size;
- event = (union perf_event *)&data[start & map->mask];
+ event = (union perf_event *)&data[*startp & map->mask];
size = event->header.size;
- if (size < sizeof(event->header) || diff < (int)size) {
- event = NULL;
- goto broken_event;
- }
+ if (size < sizeof(event->header) || diff < (int)size)
+ return NULL;
/*
* Event straddles the mmap boundary -- header should always
* be inside due to u64 alignment of output.
*/
- if ((start & map->mask) + size != ((start + size) & map->mask)) {
- unsigned int offset = start;
+ if ((*startp & map->mask) + size != ((*startp + size) & map->mask)) {
+ unsigned int offset = *startp;
unsigned int len = min(sizeof(*event), size), cpy;
void *dst = map->event_copy;
@@ -59,20 +57,19 @@ static union perf_event *perf_mmap__read(struct perf_mmap *map,
event = (union perf_event *)map->event_copy;
}
- start += size;
+ *startp += size;
}
-broken_event:
- if (prev)
- *prev = start;
-
return event;
}
+/*
+ * legacy interface for mmap read.
+ * Don't use it. Use perf_mmap__read_event().
+ */
union perf_event *perf_mmap__read_forward(struct perf_mmap *map)
{
u64 head;
- u64 old = map->prev;
/*
* Check if event was unmapped due to a POLLHUP/POLLERR.
@@ -82,13 +79,26 @@ union perf_event *perf_mmap__read_forward(struct perf_mmap *map)
head = perf_mmap__read_head(map);
- return perf_mmap__read(map, old, head, &map->prev);
+ return perf_mmap__read(map, &map->prev, head);
}
-union perf_event *perf_mmap__read_backward(struct perf_mmap *map)
+/*
+ * Read event from ring buffer one by one.
+ * Return one event for each call.
+ *
+ * Usage:
+ * perf_mmap__read_init()
+ * while(event = perf_mmap__read_event()) {
+ * //process the event
+ * perf_mmap__consume()
+ * }
+ * perf_mmap__read_done()
+ */
+union perf_event *perf_mmap__read_event(struct perf_mmap *map,
+ bool overwrite,
+ u64 *startp, u64 end)
{
- u64 head, end;
- u64 start = map->prev;
+ union perf_event *event;
/*
* Check if event was unmapped due to a POLLHUP/POLLERR.
@@ -96,40 +106,19 @@ union perf_event *perf_mmap__read_backward(struct perf_mmap *map)
if (!refcount_read(&map->refcnt))
return NULL;
- head = perf_mmap__read_head(map);
- if (!head)
+ if (startp == NULL)
return NULL;
- /*
- * 'head' pointer starts from 0. Kernel minus sizeof(record) form
- * it each time when kernel writes to it, so in fact 'head' is
- * negative. 'end' pointer is made manually by adding the size of
- * the ring buffer to 'head' pointer, means the validate data can
- * read is the whole ring buffer. If 'end' is positive, the ring
- * buffer has not fully filled, so we must adjust 'end' to 0.
- *
- * However, since both 'head' and 'end' is unsigned, we can't
- * simply compare 'end' against 0. Here we compare '-head' and
- * the size of the ring buffer, where -head is the number of bytes
- * kernel write to the ring buffer.
- */
- if (-head < (u64)(map->mask + 1))
- end = 0;
- else
- end = head + map->mask + 1;
-
- return perf_mmap__read(map, start, end, &map->prev);
-}
+ /* non-overwirte doesn't pause the ringbuffer */
+ if (!overwrite)
+ end = perf_mmap__read_head(map);
-void perf_mmap__read_catchup(struct perf_mmap *map)
-{
- u64 head;
+ event = perf_mmap__read(map, startp, end);
- if (!refcount_read(&map->refcnt))
- return;
+ if (!overwrite)
+ map->prev = *startp;
- head = perf_mmap__read_head(map);
- map->prev = head;
+ return event;
}
static bool perf_mmap__empty(struct perf_mmap *map)
@@ -267,41 +256,60 @@ static int overwrite_rb_find_range(void *buf, int mask, u64 head, u64 *start, u6
return -1;
}
-int perf_mmap__push(struct perf_mmap *md, bool overwrite,
- void *to, int push(void *to, void *buf, size_t size))
+/*
+ * Report the start and end of the available data in ringbuffer
+ */
+int perf_mmap__read_init(struct perf_mmap *md, bool overwrite,
+ u64 *startp, u64 *endp)
{
u64 head = perf_mmap__read_head(md);
u64 old = md->prev;
- u64 end = head, start = old;
unsigned char *data = md->base + page_size;
unsigned long size;
- void *buf;
- int rc = 0;
- start = overwrite ? head : old;
- end = overwrite ? old : head;
+ *startp = overwrite ? head : old;
+ *endp = overwrite ? old : head;
- if (start == end)
- return 0;
+ if (*startp == *endp)
+ return -EAGAIN;
- size = end - start;
+ size = *endp - *startp;
if (size > (unsigned long)(md->mask) + 1) {
if (!overwrite) {
WARN_ONCE(1, "failed to keep up with mmap data. (warn only once)\n");
md->prev = head;
perf_mmap__consume(md, overwrite);
- return 0;
+ return -EAGAIN;
}
/*
* Backward ring buffer is full. We still have a chance to read
* most of data from it.
*/
- if (overwrite_rb_find_range(data, md->mask, head, &start, &end))
- return -1;
+ if (overwrite_rb_find_range(data, md->mask, head, startp, endp))
+ return -EINVAL;
}
+ return 0;
+}
+
+int perf_mmap__push(struct perf_mmap *md, bool overwrite,
+ void *to, int push(void *to, void *buf, size_t size))
+{
+ u64 head = perf_mmap__read_head(md);
+ u64 end, start;
+ unsigned char *data = md->base + page_size;
+ unsigned long size;
+ void *buf;
+ int rc = 0;
+
+ rc = perf_mmap__read_init(md, overwrite, &start, &end);
+ if (rc < 0)
+ return (rc == -EAGAIN) ? 0 : -1;
+
+ size = end - start;
+
if ((start & md->mask) + size != (end & md->mask)) {
buf = &data[start & md->mask];
size = md->mask + 1 - (start & md->mask);
@@ -327,3 +335,14 @@ int perf_mmap__push(struct perf_mmap *md, bool overwrite,
out:
return rc;
}
+
+/*
+ * Mandatory for overwrite mode
+ * The direction of overwrite mode is backward.
+ * The last perf_mmap__read() will set tail to map->prev.
+ * Need to correct the map->prev to head which is the end of next read.
+ */
+void perf_mmap__read_done(struct perf_mmap *map)
+{
+ map->prev = perf_mmap__read_head(map);
+}
diff --git a/tools/perf/util/mmap.h b/tools/perf/util/mmap.h
index e43d7b55a55f..ec7d3a24e276 100644
--- a/tools/perf/util/mmap.h
+++ b/tools/perf/util/mmap.h
@@ -65,8 +65,6 @@ void perf_mmap__put(struct perf_mmap *map);
void perf_mmap__consume(struct perf_mmap *map, bool overwrite);
-void perf_mmap__read_catchup(struct perf_mmap *md);
-
static inline u64 perf_mmap__read_head(struct perf_mmap *mm)
{
struct perf_event_mmap_page *pc = mm->base;
@@ -87,11 +85,17 @@ static inline void perf_mmap__write_tail(struct perf_mmap *md, u64 tail)
}
union perf_event *perf_mmap__read_forward(struct perf_mmap *map);
-union perf_event *perf_mmap__read_backward(struct perf_mmap *map);
+
+union perf_event *perf_mmap__read_event(struct perf_mmap *map,
+ bool overwrite,
+ u64 *startp, u64 end);
int perf_mmap__push(struct perf_mmap *md, bool backward,
void *to, int push(void *to, void *buf, size_t size));
size_t perf_mmap__mmap_len(struct perf_mmap *map);
+int perf_mmap__read_init(struct perf_mmap *md, bool overwrite,
+ u64 *startp, u64 *endp);
+void perf_mmap__read_done(struct perf_mmap *map);
#endif /*__PERF_MMAP_H */
diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c
index 443892dabedb..1019bbc5dbd8 100644
--- a/tools/perf/util/util.c
+++ b/tools/perf/util/util.c
@@ -340,35 +340,15 @@ 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);
+ char *p;
- if (hex_val < 0)
- break;
-
- *long_val = (*long_val << 4) | hex_val;
- p++;
- }
+ *long_val = strtoull(ptr, &p, 16);
return p - ptr;
}
diff --git a/tools/power/acpi/Makefile.config b/tools/power/acpi/Makefile.config
index a1883bbb0144..2cccbba64418 100644
--- a/tools/power/acpi/Makefile.config
+++ b/tools/power/acpi/Makefile.config
@@ -56,9 +56,6 @@ INSTALL_SCRIPT = ${INSTALL_PROGRAM}
# to compile vs uClibc, that can be done here as well.
CROSS = #/usr/i386-linux-uclibc/usr/bin/i386-uclibc-
CROSS_COMPILE ?= $(CROSS)
-CC = $(CROSS_COMPILE)gcc
-LD = $(CROSS_COMPILE)gcc
-STRIP = $(CROSS_COMPILE)strip
HOSTCC = gcc
# check if compiler option is supported
diff --git a/tools/scripts/Makefile.include b/tools/scripts/Makefile.include
index fcb3ed0be5f8..dd614463d4d6 100644
--- a/tools/scripts/Makefile.include
+++ b/tools/scripts/Makefile.include
@@ -42,6 +42,24 @@ EXTRA_WARNINGS += -Wformat
CC_NO_CLANG := $(shell $(CC) -dM -E -x c /dev/null | grep -Fq "__clang__"; echo $$?)
+# Makefiles suck: This macro sets a default value of $(2) for the
+# variable named by $(1), unless the variable has been set by
+# environment or command line. This is necessary for CC and AR
+# because make sets default values, so the simpler ?= approach
+# won't work as expected.
+define allow-override
+ $(if $(or $(findstring environment,$(origin $(1))),\
+ $(findstring command line,$(origin $(1)))),,\
+ $(eval $(1) = $(2)))
+endef
+
+# Allow setting various cross-compile vars or setting CROSS_COMPILE as a prefix.
+$(call allow-override,CC,$(CROSS_COMPILE)gcc)
+$(call allow-override,AR,$(CROSS_COMPILE)ar)
+$(call allow-override,LD,$(CROSS_COMPILE)ld)
+$(call allow-override,CXX,$(CROSS_COMPILE)g++)
+$(call allow-override,STRIP,$(CROSS_COMPILE)strip)
+
ifeq ($(CC_NO_CLANG), 1)
EXTRA_WARNINGS += -Wstrict-aliasing=3
endif
diff --git a/tools/spi/Makefile b/tools/spi/Makefile
index 90615e10c79a..815d15589177 100644
--- a/tools/spi/Makefile
+++ b/tools/spi/Makefile
@@ -11,8 +11,6 @@ endif
# (this improves performance and avoids hard-to-debug behaviour);
MAKEFLAGS += -r
-CC = $(CROSS_COMPILE)gcc
-LD = $(CROSS_COMPILE)ld
CFLAGS += -O2 -Wall -g -D_GNU_SOURCE -I$(OUTPUT)include
ALL_TARGETS := spidev_test spidev_fdx
diff --git a/tools/testing/selftests/bpf/.gitignore b/tools/testing/selftests/bpf/.gitignore
index cc15af2e54fe..9cf83f895d98 100644
--- a/tools/testing/selftests/bpf/.gitignore
+++ b/tools/testing/selftests/bpf/.gitignore
@@ -11,3 +11,4 @@ test_progs
test_tcpbpf_user
test_verifier_log
feature
+test_libbpf_open
diff --git a/tools/testing/selftests/bpf/test_maps.c b/tools/testing/selftests/bpf/test_maps.c
index 436c4c72414f..9e03a4c356a4 100644
--- a/tools/testing/selftests/bpf/test_maps.c
+++ b/tools/testing/selftests/bpf/test_maps.c
@@ -126,6 +126,8 @@ static void test_hashmap_sizes(int task, void *data)
fd = bpf_create_map(BPF_MAP_TYPE_HASH, i, j,
2, map_flags);
if (fd < 0) {
+ if (errno == ENOMEM)
+ return;
printf("Failed to create hashmap key=%d value=%d '%s'\n",
i, j, strerror(errno));
exit(1);
diff --git a/tools/testing/selftests/bpf/test_tcpbpf_kern.c b/tools/testing/selftests/bpf/test_tcpbpf_kern.c
index 57119ad57a3f..3e645ee41ed5 100644
--- a/tools/testing/selftests/bpf/test_tcpbpf_kern.c
+++ b/tools/testing/selftests/bpf/test_tcpbpf_kern.c
@@ -5,7 +5,6 @@
#include <linux/if_ether.h>
#include <linux/if_packet.h>
#include <linux/ip.h>
-#include <linux/in6.h>
#include <linux/types.h>
#include <linux/socket.h>
#include <linux/tcp.h>
diff --git a/tools/testing/selftests/bpf/test_verifier.c b/tools/testing/selftests/bpf/test_verifier.c
index c0f16e93f9bd..c73592fa3d41 100644
--- a/tools/testing/selftests/bpf/test_verifier.c
+++ b/tools/testing/selftests/bpf/test_verifier.c
@@ -2587,6 +2587,32 @@ static struct bpf_test tests[] = {
.result = ACCEPT,
},
{
+ "runtime/jit: pass negative index to tail_call",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_3, -1),
+ BPF_LD_MAP_FD(BPF_REG_2, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+ BPF_FUNC_tail_call),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_prog = { 1 },
+ .result = ACCEPT,
+ },
+ {
+ "runtime/jit: pass > 32bit index to tail_call",
+ .insns = {
+ BPF_LD_IMM64(BPF_REG_3, 0x100000000ULL),
+ BPF_LD_MAP_FD(BPF_REG_2, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+ BPF_FUNC_tail_call),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_prog = { 2 },
+ .result = ACCEPT,
+ },
+ {
"stack pointer arithmetic",
.insns = {
BPF_MOV64_IMM(BPF_REG_1, 4),
diff --git a/tools/testing/selftests/memfd/Makefile b/tools/testing/selftests/memfd/Makefile
index a5276a91dfbf..0862e6f47a38 100644
--- a/tools/testing/selftests/memfd/Makefile
+++ b/tools/testing/selftests/memfd/Makefile
@@ -5,6 +5,7 @@ CFLAGS += -I../../../../include/
CFLAGS += -I../../../../usr/include/
TEST_PROGS := run_tests.sh
+TEST_FILES := run_fuse_test.sh
TEST_GEN_FILES := memfd_test fuse_mnt fuse_test
fuse_mnt.o: CFLAGS += $(shell pkg-config fuse --cflags)
diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c
index 0b457e8e0f0c..5df609950a66 100644
--- a/tools/testing/selftests/seccomp/seccomp_bpf.c
+++ b/tools/testing/selftests/seccomp/seccomp_bpf.c
@@ -141,6 +141,15 @@ struct seccomp_data {
#define SECCOMP_FILTER_FLAG_LOG 2
#endif
+#ifndef PTRACE_SECCOMP_GET_METADATA
+#define PTRACE_SECCOMP_GET_METADATA 0x420d
+
+struct seccomp_metadata {
+ __u64 filter_off; /* Input: which filter */
+ __u64 flags; /* Output: filter's flags */
+};
+#endif
+
#ifndef seccomp
int seccomp(unsigned int op, unsigned int flags, void *args)
{
@@ -2845,6 +2854,58 @@ TEST(get_action_avail)
EXPECT_EQ(errno, EOPNOTSUPP);
}
+TEST(get_metadata)
+{
+ pid_t pid;
+ int pipefd[2];
+ char buf;
+ struct seccomp_metadata md;
+
+ ASSERT_EQ(0, pipe(pipefd));
+
+ pid = fork();
+ ASSERT_GE(pid, 0);
+ if (pid == 0) {
+ struct sock_filter filter[] = {
+ BPF_STMT(BPF_RET|BPF_K, SECCOMP_RET_ALLOW),
+ };
+ struct sock_fprog prog = {
+ .len = (unsigned short)ARRAY_SIZE(filter),
+ .filter = filter,
+ };
+
+ /* one with log, one without */
+ ASSERT_EQ(0, seccomp(SECCOMP_SET_MODE_FILTER,
+ SECCOMP_FILTER_FLAG_LOG, &prog));
+ ASSERT_EQ(0, seccomp(SECCOMP_SET_MODE_FILTER, 0, &prog));
+
+ ASSERT_EQ(0, close(pipefd[0]));
+ ASSERT_EQ(1, write(pipefd[1], "1", 1));
+ ASSERT_EQ(0, close(pipefd[1]));
+
+ while (1)
+ sleep(100);
+ }
+
+ ASSERT_EQ(0, close(pipefd[1]));
+ ASSERT_EQ(1, read(pipefd[0], &buf, 1));
+
+ ASSERT_EQ(0, ptrace(PTRACE_ATTACH, pid));
+ ASSERT_EQ(pid, waitpid(pid, NULL, 0));
+
+ md.filter_off = 0;
+ ASSERT_EQ(sizeof(md), ptrace(PTRACE_SECCOMP_GET_METADATA, pid, sizeof(md), &md));
+ EXPECT_EQ(md.flags, SECCOMP_FILTER_FLAG_LOG);
+ EXPECT_EQ(md.filter_off, 0);
+
+ md.filter_off = 1;
+ ASSERT_EQ(sizeof(md), ptrace(PTRACE_SECCOMP_GET_METADATA, pid, sizeof(md), &md));
+ EXPECT_EQ(md.flags, 0);
+ EXPECT_EQ(md.filter_off, 1);
+
+ ASSERT_EQ(0, kill(pid, SIGKILL));
+}
+
/*
* TODO:
* - add microbenchmarks
diff --git a/tools/usb/Makefile b/tools/usb/Makefile
index 4e6506078494..01d758d73b6d 100644
--- a/tools/usb/Makefile
+++ b/tools/usb/Makefile
@@ -1,7 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
# Makefile for USB tools
-CC = $(CROSS_COMPILE)gcc
PTHREAD_LIBS = -lpthread
WARNINGS = -Wall -Wextra
CFLAGS = $(WARNINGS) -g -I../include
diff --git a/tools/vm/Makefile b/tools/vm/Makefile
index be320b905ea7..20f6cf04377f 100644
--- a/tools/vm/Makefile
+++ b/tools/vm/Makefile
@@ -6,7 +6,6 @@ TARGETS=page-types slabinfo page_owner_sort
LIB_DIR = ../lib/api
LIBS = $(LIB_DIR)/libapi.a
-CC = $(CROSS_COMPILE)gcc
CFLAGS = -Wall -Wextra -I../lib/
LDFLAGS = $(LIBS)
diff --git a/tools/wmi/Makefile b/tools/wmi/Makefile
index e664f1167388..e0e87239126b 100644
--- a/tools/wmi/Makefile
+++ b/tools/wmi/Makefile
@@ -2,7 +2,6 @@ PREFIX ?= /usr
SBINDIR ?= sbin
INSTALL ?= install
CFLAGS += -D__EXPORTED_HEADERS__ -I../../include/uapi -I../../include
-CC = $(CROSS_COMPILE)gcc
TARGET = dell-smbios-example