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libperf: Add perf_thread_map__nr/perf_thread_map__pid functions

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So it's part of libperf library as basic functions operating on
perf_thread_map objects.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20190822111141.25823-6-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa
2019-08-22 13:11:41 +02:00
committed by Arnaldo Carvalho de Melo
parent 5e51b0bb24
commit a2f354e3ab
17 changed files with 45 additions and 41 deletions
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10
tools/perf/lib/threadmap.c
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@@ -79,3 +79,13 @@ void perf_thread_map__put(struct perf_thread_map *map)
if (map && refcount_dec_and_test(&map->refcnt))
perf_thread_map__delete(map);
}
int perf_thread_map__nr(struct perf_thread_map *threads)
{
return threads ? threads->nr : 1;
}
pid_t perf_thread_map__pid(struct perf_thread_map *map, int thread)
{
return map->map[thread].pid;
}