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 19:57:23 -0700 |
| commit | 08181f491cd016e610d072dd42e8d0e7bda4a789 (patch) | |
| tree | 610c6be57cd95b6f6403a17b244a0c475b2810c9 /kernel | |
| parent | e81e6f4a69ddf39b89e29a4191a23372d4b1007a (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 abf4d3d6d3a3..8e4361f1aa5f 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -3287,7 +3287,8 @@ out: if (fail) return -EINVAL; - ftrace_graph_filter_enabled = 1; + ftrace_graph_filter_enabled = !!(*idx); + return 0; } |