linux-kernel - [PATCH 02/11] perf thread

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Date:	Wed, 13 Apr 2016 11:43:08 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	linux-kernel@...r.kernel.org, Jiri Olsa <jolsa@...nel.org>,
	David Ahern <dsahern@...il.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 02/11] perf thread_map: Add has() method

From: Jiri Olsa <jolsa@...nel.org>

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

Signed-off-by: Jiri Olsa <jolsa@...nel.org>
Cc: David Ahern <dsahern@...il.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Link: http://lkml.kernel.org/r/1460467771-26532-2-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 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 */
-- 
2.5.5