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perf thread_map: Add has() method

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Adding thread_map__has() to return bool of pid presence in threads map.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
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/1460467771-26532-2-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa
2016-04-12 15:29:24 +02:00
committed by Arnaldo Carvalho de Melo
parent 202ff9684a
commit 3407df8bbc
2 changed files with 13 additions and 0 deletions
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12
tools/perf/util/thread_map.c
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@ -436,3 +436,15 @@ struct thread_map *thread_map__new_event(struct thread_map_event *event)
return threads; return threads;
} }
bool thread_map__has(struct thread_map *threads, pid_t pid)
{
int i;
for (i = 0; i < threads->nr; ++i) {
if (threads->map[i].pid == pid)
return true;
}
return false;
}

1
tools/perf/util/thread_map.h
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@ -55,4 +55,5 @@ static inline char *thread_map__comm(struct thread_map *map, int thread)
} }
void thread_map__read_comms(struct thread_map *threads); void thread_map__read_comms(struct thread_map *threads);
bool thread_map__has(struct thread_map *threads, pid_t pid);
#endif /* __PERF_THREAD_MAP_H */ #endif /* __PERF_THREAD_MAP_H */