Commit c6531cce authored by Ingo Molnar's avatar Ingo Molnar Committed by Thomas Gleixner
Browse files

sched: do not trace sched_clock 



The tracer uses sched_clock, so do not trace it.

Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent 677aa9f7

kernel/sched.c

+3 −3
Original line number Diff line number Diff line
@@ -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;

}