Messages in this thread Patch in this message | | | Date | Wed, 14 Jan 2009 19:02:57 -0500 | From | Steven Rostedt <> | Subject | [PATCH 3/4] trace: stop all recording to ring buffer on ftrace_dump |
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From: Steven Rostedt <srostedt@redhat.com>
Impact: clean up to prevent more output in ftrace dump than needed
Currently ftrace_dump only calls ftrace_kill that is a fast way to prevent the function tracer functions from being called (just sets a flag and clears the function to call, nothing else). It is better to also turn off any recording to the ring buffers as well.
Signed-off-by: Steven Rostedt <srostedt@redhat.com> --- kernel/trace/trace.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 408c03f..dcb757f 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -3110,6 +3110,7 @@ void ftrace_dump(void) dump_ran = 1; /* No turning back! */ + tracing_off(); ftrace_kill(); for_each_tracing_cpu(cpu) { -- 1.5.6.5 --
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