From 3407df8bbc3a91d9aa4910130026ab6b3a261b87 Mon Sep 17 00:00:00 2001 From: Jiri Olsa Date: Tue, 12 Apr 2016 15:29:24 +0200 Subject: [PATCH] perf thread_map: Add has() method Adding thread_map__has() to return bool of pid presence in threads map. Signed-off-by: Jiri Olsa Cc: David Ahern Cc: Namhyung Kim Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1460467771-26532-2-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/thread_map.c | 12 ++++++++++++ tools/perf/util/thread_map.h | 1 + 2 files changed, 13 insertions(+) diff --git a/tools/perf/util/thread_map.c b/tools/perf/util/thread_map.c index 267112b4e3db..878ac0687b0a 100644 --- a/tools/perf/util/thread_map.c +++ b/tools/perf/util/thread_map.c @@ -436,3 +436,15 @@ struct thread_map *thread_map__new_event(struct thread_map_event *event) 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; +} diff --git a/tools/perf/util/thread_map.h b/tools/perf/util/thread_map.h index 85e4c7c4fbde..9a065ea69ff1 100644 --- a/tools/perf/util/thread_map.h +++ b/tools/perf/util/thread_map.h @@ -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); +bool thread_map__has(struct thread_map *threads, pid_t pid); #endif /* __PERF_THREAD_MAP_H */