From: Steven Rostedt <rostedt@goodmis.org>
To: linux-kernel@vger.kernel.org
Cc: Ingo Molnar <mingo@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Frederic Weisbecker <fweisbec@gmail.com>,
Namhyung Kim <namhyung.kim@lge.com>, <stable@vger.kernel.org>,
Namhyung Kim <namhyung@kernel.org>
Subject: [for-next][PATCH 3/7] tracing: Reset ftrace_graph_filter_enabled if count is zero
Date: Fri, 19 Apr 2013 10:04:05 -0400 [thread overview]
Message-ID: <20130419140556.765331055@goodmis.org> (raw)
In-Reply-To: 20130419140402.730041313@goodmis.org
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From: Namhyung Kim <namhyung.kim@lge.com>
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>
Cc: stable@vger.kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
kernel/trace/ftrace.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index c9f3149..9e31987 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -3792,7 +3792,8 @@ out:
if (fail)
return -EINVAL;
- ftrace_graph_filter_enabled = 1;
+ ftrace_graph_filter_enabled = !!(*idx);
+
return 0;
}
--
1.7.10.4
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next prev parent reply other threads:[~2013-04-19 14:04 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20130419140402.730041313@goodmis.org>
2013-04-19 14:04 ` [for-next][PATCH 2/7] tracing: Fix off-by-one on allocating stat->pages Steven Rostedt
2013-04-19 14:04 ` Steven Rostedt [this message]
2013-04-19 14:04 ` [for-next][PATCH 5/7] tracing: Check return value of tracing_init_dentry() Steven Rostedt
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