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ftrace: introduce tracing_reset_online_cpus() helper

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Impact: cleanup

This patch factors out common code from multiple tracers into a
tracing_reset_online_cpus() function and converts the tracers to use it.

Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Pekka J Enberg
2008-12-19 12:08:39 +02:00
committed by Ingo Molnar
parent 30cd324e97
commit 213cc06079
8 changed files with 20 additions and 63 deletions
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12
kernel/trace/trace_sysprof.c
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@@ -234,20 +234,10 @@ static void stop_stack_timers(void)
stop_stack_timer(cpu);
}
static void stack_reset(struct trace_array *tr)
{
int cpu;
tr->time_start = ftrace_now(tr->cpu);
for_each_online_cpu(cpu)
tracing_reset(tr, cpu);
}
static void start_stack_trace(struct trace_array *tr)
{
mutex_lock(&sample_timer_lock);
stack_reset(tr);
tracing_reset_online_cpus(tr);
start_stack_timers();
tracer_enabled = 1;
mutex_unlock(&sample_timer_lock);