tracing: Reset ftrace_graph_filter_enabled if count is zero · 9f50afccfd - Gogs

tracing: Reset ftrace_graph_filter_enabled if count is zero

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>

Namhyung Kim 12 years ago

parent

39e30cd153

commit

9f50afccfd

1 changed files with 2 additions and 1 deletions

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							+ 2
							
							- 1
						
kernel/trace/ftrace.c
							 
								View File
							
				@@ -3792,7 +3792,8 @@ out:
			
				 	if (fail)
			
				 		return -EINVAL;
			
				-	ftrace_graph_filter_enabled = 1;
			
				+	ftrace_graph_filter_enabled = !!(*idx);
			
				+
			
				 	return 0;
			
				 }