linux-stable/tools/perf/tests/thread-map.c
Jiri Olsa 99471c967a perf thread_map: Add thread_map event sythesize function
Introduce the perf_event__synthesize_thread_map2 function to synthesize
struct thread_map.

The perf_event__synthesize_thread_map name is already taken for
synthesizing the complete threads data (comm/mmap/fork).

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Kan Liang <kan.liang@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1445784728-21732-5-git-send-email-jolsa@kernel.org
[ Rename thread_map_data_event to thread_map_event_entry ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-12-17 14:38:16 -03:00

71 lines
1.9 KiB
C

#include <sys/types.h>
#include <unistd.h>
#include "tests.h"
#include "thread_map.h"
#include "debug.h"
int test__thread_map(int subtest __maybe_unused)
{
struct thread_map *map;
/* test map on current pid */
map = thread_map__new_by_pid(getpid());
TEST_ASSERT_VAL("failed to alloc map", map);
thread_map__read_comms(map);
TEST_ASSERT_VAL("wrong nr", map->nr == 1);
TEST_ASSERT_VAL("wrong pid",
thread_map__pid(map, 0) == getpid());
TEST_ASSERT_VAL("wrong comm",
thread_map__comm(map, 0) &&
!strcmp(thread_map__comm(map, 0), "perf"));
TEST_ASSERT_VAL("wrong refcnt",
atomic_read(&map->refcnt) == 1);
thread_map__put(map);
/* test dummy pid */
map = thread_map__new_dummy();
TEST_ASSERT_VAL("failed to alloc map", map);
thread_map__read_comms(map);
TEST_ASSERT_VAL("wrong nr", map->nr == 1);
TEST_ASSERT_VAL("wrong pid", thread_map__pid(map, 0) == -1);
TEST_ASSERT_VAL("wrong comm",
thread_map__comm(map, 0) &&
!strcmp(thread_map__comm(map, 0), "dummy"));
TEST_ASSERT_VAL("wrong refcnt",
atomic_read(&map->refcnt) == 1);
thread_map__put(map);
return 0;
}
static int process_event(struct perf_tool *tool __maybe_unused,
union perf_event *event,
struct perf_sample *sample __maybe_unused,
struct machine *machine __maybe_unused)
{
struct thread_map_event *map = &event->thread_map;
TEST_ASSERT_VAL("wrong nr", map->nr == 1);
TEST_ASSERT_VAL("wrong pid", map->entries[0].pid == (u64) getpid());
TEST_ASSERT_VAL("wrong comm", !strcmp(map->entries[0].comm, "perf"));
return 0;
}
int test__thread_map_synthesize(int subtest __maybe_unused)
{
struct thread_map *threads;
/* test map on current pid */
threads = thread_map__new_by_pid(getpid());
TEST_ASSERT_VAL("failed to alloc map", threads);
thread_map__read_comms(threads);
TEST_ASSERT_VAL("failed to synthesize map",
!perf_event__synthesize_thread_map2(NULL, threads, process_event, NULL));
return 0;
}