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sched: do not trace sched_clock

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The tracer uses sched_clock, so do not trace it.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Ingo Molnar 2008-05-12 21:21:14 +02:00 committed by Thomas Gleixner
parent 677aa9f77e
commit c6531cce6e
1 changed files with 3 additions and 3 deletions
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6
kernel/sched.c
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@ -884,12 +884,12 @@ static unsigned long long __cpu_clock(int cpu)
* For kernel-internal use: high-speed (but slightly incorrect) per-cpu
* clock constructed from sched_clock():
*/
unsigned long long cpu_clock(int cpu)
unsigned long long notrace cpu_clock(int cpu)
{
unsigned long long prev_cpu_time, time, delta_time;
unsigned long flags;
local_irq_save(flags);
raw_local_irq_save(flags);
prev_cpu_time = per_cpu(prev_cpu_time, cpu);
time = __cpu_clock(cpu) + per_cpu(time_offset, cpu);
delta_time = time-prev_cpu_time;
@ -898,7 +898,7 @@ unsigned long long cpu_clock(int cpu)
time = __sync_cpu_clock(time, cpu);
per_cpu(prev_cpu_time, cpu) = time;
}
local_irq_restore(flags);
raw_local_irq_restore(flags);
return time;
}