linux-kernel - [PATCH 12/13] perf thread_map: Change map entries into a struct

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Date:	Tue, 23 Jun 2015 18:47:26 -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>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Andi Kleen <ak@...ux.intel.com>,
	David Ahern <dsahern@...il.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Stephane Eranian <eranian@...gle.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 12/13] perf thread_map: Change map entries into a struct

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

We need to store command names with the pid. Changing map entries to be
a struct holding pid. Process name is coming in shortly.

Signed-off-by: Jiri Olsa <jolsa@...nel.org>
Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: Andi Kleen <ak@...ux.intel.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Stephane Eranian <eranian@...gle.com>
Link: http://lkml.kernel.org/r/1435012588-9007-2-git-send-email-jolsa@kernel.org
[ Split providing the set/get accessors from transforming the entries structs ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/thread_map.h | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/tools/perf/util/thread_map.h b/tools/perf/util/thread_map.h
index e22570390470..b9f40679f589 100644
--- a/tools/perf/util/thread_map.h
+++ b/tools/perf/util/thread_map.h
@@ -4,9 +4,13 @@
 #include <sys/types.h>
 #include <stdio.h>
 
+struct thread_map_data {
+	pid_t    pid;
+};
+
 struct thread_map {
 	int nr;
-	pid_t map[];
+	struct thread_map_data map[];
 };
 
 struct thread_map *thread_map__new_dummy(void);
@@ -29,12 +33,12 @@ static inline int thread_map__nr(struct thread_map *threads)
 
 static inline pid_t thread_map__pid(struct thread_map *map, int thread)
 {
-	return map->map[thread];
+	return map->map[thread].pid;
 }
 
 static inline void
 thread_map__set_pid(struct thread_map *map, int thread, pid_t pid)
 {
-	map->map[thread] = pid;
+	map->map[thread].pid = pid;
 }
 #endif	/* __PERF_THREAD_MAP_H */
-- 
2.1.0

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