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perf thread_map: Add thread_map__new_event function

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Introducing the thread_map__new_event function to create a struct
thread_map object from a thread_map event.

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/1445784728-21732-6-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa
2015-10-25 15:51:21 +01:00
committed by Arnaldo Carvalho de Melo
parent 99471c967a
commit 5966094239
3 changed files with 44 additions and 0 deletions
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14
tools/perf/tests/thread-map.c
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@@ -47,10 +47,24 @@ static int process_event(struct perf_tool *tool __maybe_unused,
struct machine *machine __maybe_unused)
{
struct thread_map_event *map = &event->thread_map;
struct thread_map *threads;
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"));
threads = thread_map__new_event(&event->thread_map);
TEST_ASSERT_VAL("failed to alloc map", threads);
TEST_ASSERT_VAL("wrong nr", threads->nr == 1);
TEST_ASSERT_VAL("wrong pid",
thread_map__pid(threads, 0) == getpid());
TEST_ASSERT_VAL("wrong comm",
thread_map__comm(threads, 0) &&
!strcmp(thread_map__comm(threads, 0), "perf"));
TEST_ASSERT_VAL("wrong refcnt",
atomic_read(&threads->refcnt) == 1);
thread_map__put(threads);
return 0;
}