diff options
| author | Namhyung Kim <namhyung.kim@lge.com> | 2013-04-11 16:01:38 +0900 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2013-05-13 15:02:17 +0100 |
| commit | 64384570408351682ab7cd35a5f7c5b9c9c7856c (patch) | |
| tree | 34456eb513af97b69b27a8fdba890be040334db5 /kernel | |
| parent | bd2ff9f2704b8071192d4b6af6e12d066522c850 (diff) | |
tracing: Reset ftrace_graph_filter_enabled if count is zero
commit 9f50afccfdc15d95d7331acddcb0f7703df089ae upstream.
The ftrace_graph_count can be decreased with a "!" pattern, so that
the enabled flag should be updated too.
Link: http://lkml.kernel.org/r/1365663698-2413-1-git-send-email-namhyung@kernel.org
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/trace/ftrace.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index df92c8432b58..24b375996fc5 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -3303,7 +3303,8 @@ out: if (fail) return -EINVAL; - ftrace_graph_filter_enabled = 1; + ftrace_graph_filter_enabled = !!(*idx); + return 0; } |