diff options
| author | Namhyung Kim <namhyung.kim@lge.com> | 2013-04-11 16:01:38 +0900 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-05-07 20:08:19 -0700 |
| commit | 228a8f062631a04bf383a80f30f4c9787c706ecd (patch) | |
| tree | 96c32e3a48285727c661d5bcb1e315c698e06501 /kernel | |
| parent | fbf7a3f498a9aecd68b3bd6047435d5d859e6868 (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
Signed-off-by: Namhyung Kim <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: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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 8e6e64b7760..03dbc77b4bd 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -3714,7 +3714,8 @@ out: if (fail) return -EINVAL; - ftrace_graph_filter_enabled = 1; + ftrace_graph_filter_enabled = !!(*idx); + return 0; } |