[PATCH] perf timechart: Use tid not pid for COMM change

[Arjan van de Ven]

A process that changes its comm field, does this on a per kernel
task struct basis. The timechart tool used, incorrectly, the pid to track
this, and should have used the tid instead...

Signed-off-by: Arjan van de Ven <arjan@xxxxxxxxxxxxxxx>
CC: stable@xxxxxxxxxx
---
 tools/perf/builtin-timechart.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c
index a589a43..3f8bbcf 100644
--- a/tools/perf/builtin-timechart.c
+++ b/tools/perf/builtin-timechart.c
@@ -280,7 +280,7 @@ static u64 cpus_pstate_state[MAX_CPUS];
 
 static int process_comm_event(event_t *event, struct perf_session *session __used)
 {
-	pid_set_comm(event->comm.pid, event->comm.comm);
+	pid_set_comm(event->comm.tid, event->comm.comm);
 	return 0;
 }
 
-- 
1.6.2.5



-- 
Arjan van de Ven 	Intel Open Source Technology Centre
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