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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2009-02-05 18:02:00 -0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-02-06 01:01:41 +0100 |
| commit | b6f11df26fdc28324cf9c9e3b77f2dc985c1bb13 (patch) | |
| tree | e03b4b8b9dad8a2d3f81574c10aab8fb7a779cbb /kernel/trace/trace_sysprof.c | |
| parent | 51a763dd84253bab1d0a1e68e11a7753d1b702ca (diff) | |
| download | olio-linux-3.10-b6f11df26fdc28324cf9c9e3b77f2dc985c1bb13.tar.xz olio-linux-3.10-b6f11df26fdc28324cf9c9e3b77f2dc985c1bb13.zip | |
trace: Call tracing_reset_online_cpus before tracer->init()
Impact: cleanup
To make it easy for ftrace plugin writers, as this was open coded in
the existing plugins
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Acked-by: Frédéric Weisbecker <fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/trace/trace_sysprof.c')
| -rw-r--r-- | kernel/trace/trace_sysprof.c | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/kernel/trace/trace_sysprof.c b/kernel/trace/trace_sysprof.c index eaca5ad803f..84ca9d81e74 100644 --- a/kernel/trace/trace_sysprof.c +++ b/kernel/trace/trace_sysprof.c @@ -226,15 +226,6 @@ static void stop_stack_timers(void) stop_stack_timer(cpu); } -static void start_stack_trace(struct trace_array *tr) -{ - mutex_lock(&sample_timer_lock); - tracing_reset_online_cpus(tr); - start_stack_timers(); - tracer_enabled = 1; - mutex_unlock(&sample_timer_lock); -} - static void stop_stack_trace(struct trace_array *tr) { mutex_lock(&sample_timer_lock); @@ -247,7 +238,10 @@ static int stack_trace_init(struct trace_array *tr) { sysprof_trace = tr; - start_stack_trace(tr); + mutex_lock(&sample_timer_lock); + start_stack_timers(); + tracer_enabled = 1; + mutex_unlock(&sample_timer_lock); return 0; } |