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* [PATCH] tracing: Fix clear of RECORDED_TGID flag when disabling trace event
@ 2017-09-05  5:36 Chunyu Hu
  2017-09-05 15:59 ` Steven Rostedt
  0 siblings, 1 reply; 2+ messages in thread
From: Chunyu Hu @ 2017-09-05  5:36 UTC (permalink / raw)
  To: rostedt; +Cc: mingo, linux-kernel, chuhu

When disabling one trace event, the RECORDED_TGID flag in the event
file is not correctly cleared. It's clearing RECORDED_CMD flag when
it should clear RECORDED_TGID flag. Fix d914ba37("tracing: Add support
for recording tgid of tasks")

Signed-off-by: Chunyu Hu <chuhu@redhat.com>
---
 kernel/trace/trace_events.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index c93540c..8746839 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -406,7 +406,7 @@ static int __ftrace_event_enable_disable(struct trace_event_file *file,
 
 			if (file->flags & EVENT_FILE_FL_RECORDED_TGID) {
 				tracing_stop_tgid_record();
-				clear_bit(EVENT_FILE_FL_RECORDED_CMD_BIT, &file->flags);
+				clear_bit(EVENT_FILE_FL_RECORDED_TGID_BIT, &file->flags);
 			}
 
 			call->class->reg(call, TRACE_REG_UNREGISTER, file);
-- 
1.8.3.1

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2017-09-05  5:36 [PATCH] tracing: Fix clear of RECORDED_TGID flag when disabling trace event Chunyu Hu
2017-09-05 15:59 ` Steven Rostedt

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