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-rw-r--r--tools/perf/lib/Makefile36
-rw-r--r--tools/perf/lib/core.c13
-rw-r--r--tools/perf/lib/cpumap.c12
-rw-r--r--tools/perf/lib/evlist.c124
-rw-r--r--tools/perf/lib/evsel.c30
-rw-r--r--tools/perf/lib/include/internal/evlist.h33
-rw-r--r--tools/perf/lib/include/internal/evsel.h33
-rw-r--r--tools/perf/lib/include/internal/lib.h4
-rw-r--r--tools/perf/lib/include/internal/mmap.h32
-rw-r--r--tools/perf/lib/include/perf/core.h2
-rw-r--r--tools/perf/lib/include/perf/cpumap.h1
-rw-r--r--tools/perf/lib/include/perf/evlist.h1
-rw-r--r--tools/perf/lib/lib.c2
-rw-r--r--tools/perf/lib/libperf.map4
-rw-r--r--tools/perf/lib/tests/test-cpumap.c10
-rw-r--r--tools/perf/lib/tests/test-evlist.c10
-rw-r--r--tools/perf/lib/tests/test-evsel.c10
-rw-r--r--tools/perf/lib/tests/test-threadmap.c10
18 files changed, 355 insertions, 12 deletions
diff --git a/tools/perf/lib/Makefile b/tools/perf/lib/Makefile
index a67efb8d9d39..85ccb8c439a4 100644
--- a/tools/perf/lib/Makefile
+++ b/tools/perf/lib/Makefile
@@ -59,7 +59,13 @@ else
CFLAGS := -g -Wall
endif
-INCLUDES = -I$(srctree)/tools/perf/lib/include -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/ -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
+INCLUDES = \
+-I$(srctree)/tools/perf/lib/include \
+-I$(srctree)/tools/lib/ \
+-I$(srctree)/tools/include \
+-I$(srctree)/tools/arch/$(SRCARCH)/include/ \
+-I$(srctree)/tools/arch/$(SRCARCH)/include/uapi \
+-I$(srctree)/tools/include/uapi
# Append required CFLAGS
override CFLAGS += $(EXTRA_WARNINGS)
@@ -88,13 +94,34 @@ LIBPERF_PC := $(OUTPUT)libperf.pc
LIBPERF_ALL := $(LIBPERF_A) $(OUTPUT)libperf.so*
+LIB_DIR := $(srctree)/tools/lib/api/
+
+ifneq ($(OUTPUT),)
+ifneq ($(subdir),)
+ API_PATH=$(OUTPUT)/../lib/api/
+else
+ API_PATH=$(OUTPUT)
+endif
+else
+ API_PATH=$(LIB_DIR)
+endif
+
+LIBAPI = $(API_PATH)libapi.a
+
+$(LIBAPI): FORCE
+ $(Q)$(MAKE) -C $(LIB_DIR) O=$(OUTPUT) $(OUTPUT)libapi.a
+
+$(LIBAPI)-clean:
+ $(call QUIET_CLEAN, libapi)
+ $(Q)$(MAKE) -C $(LIB_DIR) O=$(OUTPUT) clean >/dev/null
+
$(LIBPERF_IN): FORCE
$(Q)$(MAKE) $(build)=libperf
$(LIBPERF_A): $(LIBPERF_IN)
$(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $(LIBPERF_IN)
-$(LIBPERF_SO): $(LIBPERF_IN)
+$(LIBPERF_SO): $(LIBPERF_IN) $(LIBAPI)
$(QUIET_LINK)$(CC) --shared -Wl,-soname,libperf.so \
-Wl,--version-script=$(VERSION_SCRIPT) $^ -o $@
@ln -sf $(@F) $(OUTPUT)libperf.so
@@ -106,12 +133,12 @@ libs: $(LIBPERF_A) $(LIBPERF_SO) $(LIBPERF_PC)
all: fixdep
$(Q)$(MAKE) libs
-clean:
+clean: $(LIBAPI)-clean
$(call QUIET_CLEAN, libperf) $(RM) $(LIBPERF_A) \
*.o *~ *.a *.so *.so.$(VERSION) *.so.$(LIBPERF_VERSION) .*.d .*.cmd LIBPERF-CFLAGS $(LIBPERF_PC)
$(Q)$(MAKE) -C tests clean
-tests:
+tests: libs
$(Q)$(MAKE) -C tests
$(Q)$(MAKE) -C tests run
@@ -146,6 +173,7 @@ install_headers:
$(call do_install,include/perf/threadmap.h,$(prefix)/include/perf,644); \
$(call do_install,include/perf/evlist.h,$(prefix)/include/perf,644); \
$(call do_install,include/perf/evsel.h,$(prefix)/include/perf,644);
+ $(call do_install,include/perf/event.h,$(prefix)/include/perf,644);
install_pkgconfig: $(LIBPERF_PC)
$(call QUIET_INSTALL, $(LIBPERF_PC)) \
diff --git a/tools/perf/lib/core.c b/tools/perf/lib/core.c
index 29d5e3348718..d0b9ae422b9f 100644
--- a/tools/perf/lib/core.c
+++ b/tools/perf/lib/core.c
@@ -4,7 +4,9 @@
#include <stdio.h>
#include <stdarg.h>
+#include <unistd.h>
#include <perf/core.h>
+#include <internal/lib.h>
#include "internal.h"
static int __base_pr(enum libperf_print_level level, const char *format,
@@ -15,11 +17,6 @@ static int __base_pr(enum libperf_print_level level, const char *format,
static libperf_print_fn_t __libperf_pr = __base_pr;
-void libperf_set_print(libperf_print_fn_t fn)
-{
- __libperf_pr = fn;
-}
-
__printf(2, 3)
void libperf_print(enum libperf_print_level level, const char *format, ...)
{
@@ -32,3 +29,9 @@ void libperf_print(enum libperf_print_level level, const char *format, ...)
__libperf_pr(level, format, args);
va_end(args);
}
+
+void libperf_init(libperf_print_fn_t fn)
+{
+ page_size = sysconf(_SC_PAGE_SIZE);
+ __libperf_pr = fn;
+}
diff --git a/tools/perf/lib/cpumap.c b/tools/perf/lib/cpumap.c
index 1f0e6f334237..2ca1fafa620d 100644
--- a/tools/perf/lib/cpumap.c
+++ b/tools/perf/lib/cpumap.c
@@ -260,3 +260,15 @@ int perf_cpu_map__idx(struct perf_cpu_map *cpus, int cpu)
return -1;
}
+
+int perf_cpu_map__max(struct perf_cpu_map *map)
+{
+ int i, max = -1;
+
+ for (i = 0; i < map->nr; i++) {
+ if (map->map[i] > max)
+ max = map->map[i];
+ }
+
+ return max;
+}
diff --git a/tools/perf/lib/evlist.c b/tools/perf/lib/evlist.c
index f4dc9a208332..d1496fee810c 100644
--- a/tools/perf/lib/evlist.c
+++ b/tools/perf/lib/evlist.c
@@ -1,16 +1,30 @@
// SPDX-License-Identifier: GPL-2.0
#include <perf/evlist.h>
#include <perf/evsel.h>
+#include <linux/bitops.h>
#include <linux/list.h>
+#include <linux/hash.h>
+#include <sys/ioctl.h>
#include <internal/evlist.h>
#include <internal/evsel.h>
+#include <internal/xyarray.h>
#include <linux/zalloc.h>
#include <stdlib.h>
+#include <errno.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <poll.h>
#include <perf/cpumap.h>
#include <perf/threadmap.h>
+#include <api/fd/array.h>
void perf_evlist__init(struct perf_evlist *evlist)
{
+ int i;
+
+ for (i = 0; i < PERF_EVLIST__HLIST_SIZE; ++i)
+ INIT_HLIST_HEAD(&evlist->heads[i]);
INIT_LIST_HEAD(&evlist->entries);
evlist->nr_entries = 0;
}
@@ -157,3 +171,113 @@ void perf_evlist__disable(struct perf_evlist *evlist)
perf_evlist__for_each_entry(evlist, evsel)
perf_evsel__disable(evsel);
}
+
+u64 perf_evlist__read_format(struct perf_evlist *evlist)
+{
+ struct perf_evsel *first = perf_evlist__first(evlist);
+
+ return first->attr.read_format;
+}
+
+#define SID(e, x, y) xyarray__entry(e->sample_id, x, y)
+
+static void perf_evlist__id_hash(struct perf_evlist *evlist,
+ struct perf_evsel *evsel,
+ int cpu, int thread, u64 id)
+{
+ int hash;
+ struct perf_sample_id *sid = SID(evsel, cpu, thread);
+
+ sid->id = id;
+ sid->evsel = evsel;
+ hash = hash_64(sid->id, PERF_EVLIST__HLIST_BITS);
+ hlist_add_head(&sid->node, &evlist->heads[hash]);
+}
+
+void perf_evlist__id_add(struct perf_evlist *evlist,
+ struct perf_evsel *evsel,
+ int cpu, int thread, u64 id)
+{
+ perf_evlist__id_hash(evlist, evsel, cpu, thread, id);
+ evsel->id[evsel->ids++] = id;
+}
+
+int perf_evlist__id_add_fd(struct perf_evlist *evlist,
+ struct perf_evsel *evsel,
+ int cpu, int thread, int fd)
+{
+ u64 read_data[4] = { 0, };
+ int id_idx = 1; /* The first entry is the counter value */
+ u64 id;
+ int ret;
+
+ ret = ioctl(fd, PERF_EVENT_IOC_ID, &id);
+ if (!ret)
+ goto add;
+
+ if (errno != ENOTTY)
+ return -1;
+
+ /* Legacy way to get event id.. All hail to old kernels! */
+
+ /*
+ * This way does not work with group format read, so bail
+ * out in that case.
+ */
+ if (perf_evlist__read_format(evlist) & PERF_FORMAT_GROUP)
+ return -1;
+
+ if (!(evsel->attr.read_format & PERF_FORMAT_ID) ||
+ read(fd, &read_data, sizeof(read_data)) == -1)
+ return -1;
+
+ if (evsel->attr.read_format & PERF_FORMAT_TOTAL_TIME_ENABLED)
+ ++id_idx;
+ if (evsel->attr.read_format & PERF_FORMAT_TOTAL_TIME_RUNNING)
+ ++id_idx;
+
+ id = read_data[id_idx];
+
+add:
+ perf_evlist__id_add(evlist, evsel, cpu, thread, id);
+ return 0;
+}
+
+int perf_evlist__alloc_pollfd(struct perf_evlist *evlist)
+{
+ int nr_cpus = perf_cpu_map__nr(evlist->cpus);
+ int nr_threads = perf_thread_map__nr(evlist->threads);
+ int nfds = 0;
+ struct perf_evsel *evsel;
+
+ perf_evlist__for_each_entry(evlist, evsel) {
+ if (evsel->system_wide)
+ nfds += nr_cpus;
+ else
+ nfds += nr_cpus * nr_threads;
+ }
+
+ if (fdarray__available_entries(&evlist->pollfd) < nfds &&
+ fdarray__grow(&evlist->pollfd, nfds) < 0)
+ return -ENOMEM;
+
+ return 0;
+}
+
+int perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd,
+ void *ptr, short revent)
+{
+ int pos = fdarray__add(&evlist->pollfd, fd, revent | POLLERR | POLLHUP);
+
+ if (pos >= 0) {
+ evlist->pollfd.priv[pos].ptr = ptr;
+ fcntl(fd, F_SETFL, O_NONBLOCK);
+ }
+
+ return pos;
+}
+
+int perf_evlist__poll(struct perf_evlist *evlist, int timeout)
+{
+ return fdarray__poll(&evlist->pollfd, timeout);
+}
diff --git a/tools/perf/lib/evsel.c b/tools/perf/lib/evsel.c
index 24abc80dd767..a8cb582e2721 100644
--- a/tools/perf/lib/evsel.c
+++ b/tools/perf/lib/evsel.c
@@ -230,3 +230,33 @@ struct perf_event_attr *perf_evsel__attr(struct perf_evsel *evsel)
{
return &evsel->attr;
}
+
+int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads)
+{
+ if (ncpus == 0 || nthreads == 0)
+ return 0;
+
+ if (evsel->system_wide)
+ nthreads = 1;
+
+ evsel->sample_id = xyarray__new(ncpus, nthreads, sizeof(struct perf_sample_id));
+ if (evsel->sample_id == NULL)
+ return -ENOMEM;
+
+ evsel->id = zalloc(ncpus * nthreads * sizeof(u64));
+ if (evsel->id == NULL) {
+ xyarray__delete(evsel->sample_id);
+ evsel->sample_id = NULL;
+ return -ENOMEM;
+ }
+
+ return 0;
+}
+
+void perf_evsel__free_id(struct perf_evsel *evsel)
+{
+ xyarray__delete(evsel->sample_id);
+ evsel->sample_id = NULL;
+ zfree(&evsel->id);
+ evsel->ids = 0;
+}
diff --git a/tools/perf/lib/include/internal/evlist.h b/tools/perf/lib/include/internal/evlist.h
index 448891f06e3e..9f440ab12b76 100644
--- a/tools/perf/lib/include/internal/evlist.h
+++ b/tools/perf/lib/include/internal/evlist.h
@@ -3,6 +3,11 @@
#define __LIBPERF_INTERNAL_EVLIST_H
#include <linux/list.h>
+#include <api/fd/array.h>
+#include <internal/evsel.h>
+
+#define PERF_EVLIST__HLIST_BITS 8
+#define PERF_EVLIST__HLIST_SIZE (1 << PERF_EVLIST__HLIST_BITS)
struct perf_cpu_map;
struct perf_thread_map;
@@ -13,8 +18,16 @@ struct perf_evlist {
bool has_user_cpus;
struct perf_cpu_map *cpus;
struct perf_thread_map *threads;
+ int nr_mmaps;
+ size_t mmap_len;
+ struct fdarray pollfd;
+ struct hlist_head heads[PERF_EVLIST__HLIST_SIZE];
};
+int perf_evlist__alloc_pollfd(struct perf_evlist *evlist);
+int perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd,
+ void *ptr, short revent);
+
/**
* __perf_evlist__for_each_entry - iterate thru all the evsels
* @list: list_head instance to iterate
@@ -47,4 +60,24 @@ struct perf_evlist {
#define perf_evlist__for_each_entry_reverse(evlist, evsel) \
__perf_evlist__for_each_entry_reverse(&(evlist)->entries, evsel)
+static inline struct perf_evsel *perf_evlist__first(struct perf_evlist *evlist)
+{
+ return list_entry(evlist->entries.next, struct perf_evsel, node);
+}
+
+static inline struct perf_evsel *perf_evlist__last(struct perf_evlist *evlist)
+{
+ return list_entry(evlist->entries.prev, struct perf_evsel, node);
+}
+
+u64 perf_evlist__read_format(struct perf_evlist *evlist);
+
+void perf_evlist__id_add(struct perf_evlist *evlist,
+ struct perf_evsel *evsel,
+ int cpu, int thread, u64 id);
+
+int perf_evlist__id_add_fd(struct perf_evlist *evlist,
+ struct perf_evsel *evsel,
+ int cpu, int thread, int fd);
+
#endif /* __LIBPERF_INTERNAL_EVLIST_H */
diff --git a/tools/perf/lib/include/internal/evsel.h b/tools/perf/lib/include/internal/evsel.h
index 8b854d1c9b45..a69b8299c36f 100644
--- a/tools/perf/lib/include/internal/evsel.h
+++ b/tools/perf/lib/include/internal/evsel.h
@@ -4,9 +4,35 @@
#include <linux/types.h>
#include <linux/perf_event.h>
+#include <stdbool.h>
+#include <sys/types.h>
struct perf_cpu_map;
struct perf_thread_map;
+struct xyarray;
+
+/*
+ * Per fd, to map back from PERF_SAMPLE_ID to evsel, only used when there are
+ * more than one entry in the evlist.
+ */
+struct perf_sample_id {
+ struct hlist_node node;
+ u64 id;
+ struct perf_evsel *evsel;
+ /*
+ * 'idx' will be used for AUX area sampling. A sample will have AUX area
+ * data that will be queued for decoding, where there are separate
+ * queues for each CPU (per-cpu tracing) or task (per-thread tracing).
+ * The sample ID can be used to lookup 'idx' which is effectively the
+ * queue number.
+ */
+ int idx;
+ int cpu;
+ pid_t tid;
+
+ /* Holds total ID period value for PERF_SAMPLE_READ processing. */
+ u64 period;
+};
struct perf_evsel {
struct list_head node;
@@ -15,9 +41,13 @@ struct perf_evsel {
struct perf_cpu_map *own_cpus;
struct perf_thread_map *threads;
struct xyarray *fd;
+ struct xyarray *sample_id;
+ u64 *id;
+ u32 ids;
/* parse modifier helper */
int nr_members;
+ bool system_wide;
};
int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads);
@@ -26,4 +56,7 @@ void perf_evsel__free_fd(struct perf_evsel *evsel);
int perf_evsel__read_size(struct perf_evsel *evsel);
int perf_evsel__apply_filter(struct perf_evsel *evsel, const char *filter);
+int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads);
+void perf_evsel__free_id(struct perf_evsel *evsel);
+
#endif /* __LIBPERF_INTERNAL_EVSEL_H */
diff --git a/tools/perf/lib/include/internal/lib.h b/tools/perf/lib/include/internal/lib.h
index 0b56f1201dc9..5175d491b2d4 100644
--- a/tools/perf/lib/include/internal/lib.h
+++ b/tools/perf/lib/include/internal/lib.h
@@ -2,7 +2,9 @@
#ifndef __LIBPERF_INTERNAL_LIB_H
#define __LIBPERF_INTERNAL_LIB_H
-#include <unistd.h>
+#include <sys/types.h>
+
+extern unsigned int page_size;
ssize_t readn(int fd, void *buf, size_t n);
ssize_t writen(int fd, const void *buf, size_t n);
diff --git a/tools/perf/lib/include/internal/mmap.h b/tools/perf/lib/include/internal/mmap.h
new file mode 100644
index 000000000000..ba1e519c15b9
--- /dev/null
+++ b/tools/perf/lib/include/internal/mmap.h
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __LIBPERF_INTERNAL_MMAP_H
+#define __LIBPERF_INTERNAL_MMAP_H
+
+#include <linux/compiler.h>
+#include <linux/refcount.h>
+#include <linux/types.h>
+#include <stdbool.h>
+
+/* perf sample has 16 bits size limit */
+#define PERF_SAMPLE_MAX_SIZE (1 << 16)
+
+/**
+ * struct perf_mmap - perf's ring buffer mmap details
+ *
+ * @refcnt - e.g. code using PERF_EVENT_IOC_SET_OUTPUT to share this
+ */
+struct perf_mmap {
+ void *base;
+ int mask;
+ int fd;
+ int cpu;
+ refcount_t refcnt;
+ u64 prev;
+ u64 start;
+ u64 end;
+ bool overwrite;
+ u64 flush;
+ char event_copy[PERF_SAMPLE_MAX_SIZE] __aligned(8);
+};
+
+#endif /* __LIBPERF_INTERNAL_MMAP_H */
diff --git a/tools/perf/lib/include/perf/core.h b/tools/perf/lib/include/perf/core.h
index c341a7b2c874..cfd70e720c1c 100644
--- a/tools/perf/lib/include/perf/core.h
+++ b/tools/perf/lib/include/perf/core.h
@@ -17,6 +17,6 @@ enum libperf_print_level {
typedef int (*libperf_print_fn_t)(enum libperf_print_level level,
const char *, va_list ap);
-LIBPERF_API void libperf_set_print(libperf_print_fn_t fn);
+LIBPERF_API void libperf_init(libperf_print_fn_t fn);
#endif /* __LIBPERF_CORE_H */
diff --git a/tools/perf/lib/include/perf/cpumap.h b/tools/perf/lib/include/perf/cpumap.h
index 8aa995c59498..ac9aa497f84a 100644
--- a/tools/perf/lib/include/perf/cpumap.h
+++ b/tools/perf/lib/include/perf/cpumap.h
@@ -16,6 +16,7 @@ LIBPERF_API void perf_cpu_map__put(struct perf_cpu_map *map);
LIBPERF_API int perf_cpu_map__cpu(const struct perf_cpu_map *cpus, int idx);
LIBPERF_API int perf_cpu_map__nr(const struct perf_cpu_map *cpus);
LIBPERF_API bool perf_cpu_map__empty(const struct perf_cpu_map *map);
+LIBPERF_API int perf_cpu_map__max(struct perf_cpu_map *map);
#define perf_cpu_map__for_each_cpu(cpu, idx, cpus) \
for ((idx) = 0, (cpu) = perf_cpu_map__cpu(cpus, idx); \
diff --git a/tools/perf/lib/include/perf/evlist.h b/tools/perf/lib/include/perf/evlist.h
index 38365f8f3fba..8a2ce0757ab2 100644
--- a/tools/perf/lib/include/perf/evlist.h
+++ b/tools/perf/lib/include/perf/evlist.h
@@ -31,5 +31,6 @@ LIBPERF_API void perf_evlist__disable(struct perf_evlist *evlist);
LIBPERF_API void perf_evlist__set_maps(struct perf_evlist *evlist,
struct perf_cpu_map *cpus,
struct perf_thread_map *threads);
+LIBPERF_API int perf_evlist__poll(struct perf_evlist *evlist, int timeout);
#endif /* __LIBPERF_EVLIST_H */
diff --git a/tools/perf/lib/lib.c b/tools/perf/lib/lib.c
index 2a81819c3b8c..18658931fc71 100644
--- a/tools/perf/lib/lib.c
+++ b/tools/perf/lib/lib.c
@@ -5,6 +5,8 @@
#include <linux/kernel.h>
#include <internal/lib.h>
+unsigned int page_size;
+
static ssize_t ion(bool is_read, int fd, void *buf, size_t n)
{
void *buf_start = buf;
diff --git a/tools/perf/lib/libperf.map b/tools/perf/lib/libperf.map
index dc4d66363bc4..ab8dbde1136c 100644
--- a/tools/perf/lib/libperf.map
+++ b/tools/perf/lib/libperf.map
@@ -1,6 +1,6 @@
LIBPERF_0.0.1 {
global:
- libperf_set_print;
+ libperf_init;
perf_cpu_map__dummy_new;
perf_cpu_map__get;
perf_cpu_map__put;
@@ -9,6 +9,7 @@ LIBPERF_0.0.1 {
perf_cpu_map__nr;
perf_cpu_map__cpu;
perf_cpu_map__empty;
+ perf_cpu_map__max;
perf_thread_map__new_dummy;
perf_thread_map__set_pid;
perf_thread_map__comm;
@@ -38,6 +39,7 @@ LIBPERF_0.0.1 {
perf_evlist__remove;
perf_evlist__next;
perf_evlist__set_maps;
+ perf_evlist__poll;
local:
*;
};
diff --git a/tools/perf/lib/tests/test-cpumap.c b/tools/perf/lib/tests/test-cpumap.c
index 76a43cfb83a1..aa34c20df07e 100644
--- a/tools/perf/lib/tests/test-cpumap.c
+++ b/tools/perf/lib/tests/test-cpumap.c
@@ -1,13 +1,23 @@
// SPDX-License-Identifier: GPL-2.0
+#include <stdarg.h>
+#include <stdio.h>
#include <perf/cpumap.h>
#include <internal/tests.h>
+static int libperf_print(enum libperf_print_level level,
+ const char *fmt, va_list ap)
+{
+ return vfprintf(stderr, fmt, ap);
+}
+
int main(int argc, char **argv)
{
struct perf_cpu_map *cpus;
__T_START;
+ libperf_init(libperf_print);
+
cpus = perf_cpu_map__dummy_new();
if (!cpus)
return -1;
diff --git a/tools/perf/lib/tests/test-evlist.c b/tools/perf/lib/tests/test-evlist.c
index 4e1407f20ffd..e6b2ab2e2bde 100644
--- a/tools/perf/lib/tests/test-evlist.c
+++ b/tools/perf/lib/tests/test-evlist.c
@@ -1,4 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
+#include <stdio.h>
+#include <stdarg.h>
#include <linux/perf_event.h>
#include <perf/cpumap.h>
#include <perf/threadmap.h>
@@ -6,6 +8,12 @@
#include <perf/evsel.h>
#include <internal/tests.h>
+static int libperf_print(enum libperf_print_level level,
+ const char *fmt, va_list ap)
+{
+ return vfprintf(stderr, fmt, ap);
+}
+
static int test_stat_cpu(void)
{
struct perf_cpu_map *cpus;
@@ -177,6 +185,8 @@ int main(int argc, char **argv)
{
__T_START;
+ libperf_init(libperf_print);
+
test_stat_cpu();
test_stat_thread();
test_stat_thread_enable();
diff --git a/tools/perf/lib/tests/test-evsel.c b/tools/perf/lib/tests/test-evsel.c
index 2c648fe5617e..1b6c4285ac2b 100644
--- a/tools/perf/lib/tests/test-evsel.c
+++ b/tools/perf/lib/tests/test-evsel.c
@@ -1,10 +1,18 @@
// SPDX-License-Identifier: GPL-2.0
+#include <stdarg.h>
+#include <stdio.h>
#include <linux/perf_event.h>
#include <perf/cpumap.h>
#include <perf/threadmap.h>
#include <perf/evsel.h>
#include <internal/tests.h>
+static int libperf_print(enum libperf_print_level level,
+ const char *fmt, va_list ap)
+{
+ return vfprintf(stderr, fmt, ap);
+}
+
static int test_stat_cpu(void)
{
struct perf_cpu_map *cpus;
@@ -116,6 +124,8 @@ int main(int argc, char **argv)
{
__T_START;
+ libperf_init(libperf_print);
+
test_stat_cpu();
test_stat_thread();
test_stat_thread_enable();
diff --git a/tools/perf/lib/tests/test-threadmap.c b/tools/perf/lib/tests/test-threadmap.c
index 10a4f4cbbdd5..8c5f47247d9e 100644
--- a/tools/perf/lib/tests/test-threadmap.c
+++ b/tools/perf/lib/tests/test-threadmap.c
@@ -1,13 +1,23 @@
// SPDX-License-Identifier: GPL-2.0
+#include <stdarg.h>
+#include <stdio.h>
#include <perf/threadmap.h>
#include <internal/tests.h>
+static int libperf_print(enum libperf_print_level level,
+ const char *fmt, va_list ap)
+{
+ return vfprintf(stderr, fmt, ap);
+}
+
int main(int argc, char **argv)
{
struct perf_thread_map *threads;
__T_START;
+ libperf_init(libperf_print);
+
threads = perf_thread_map__new_dummy();
if (!threads)
return -1;
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-28 00:11:33 +0300