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perf events: Remove arg from perf sched hooks

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Since we only ever schedule the local cpu, there is no need to pass the
cpu number to the perf sched hooks.

This micro-optimizes things a bit.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Peter Zijlstra
2009-12-27 11:51:52 +01:00
committed by Ingo Molnar
parent 4cf40131a5
commit 49f474331e
3 changed files with 23 additions and 22 deletions
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6
kernel/sched.c
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@@ -2752,7 +2752,7 @@ static void finish_task_switch(struct rq *rq, struct task_struct *prev)
*/
prev_state = prev->state;
finish_arch_switch(prev);
perf_event_task_sched_in(current, cpu_of(rq));
perf_event_task_sched_in(current);
finish_lock_switch(rq, prev);
fire_sched_in_preempt_notifiers(current);
@@ -5266,7 +5266,7 @@ void scheduler_tick(void)
curr->sched_class->task_tick(rq, curr, 0);
raw_spin_unlock(&rq->lock);
perf_event_task_tick(curr, cpu);
perf_event_task_tick(curr);
#ifdef CONFIG_SMP
rq->idle_at_tick = idle_cpu(cpu);
@@ -5480,7 +5480,7 @@ need_resched_nonpreemptible:
if (likely(prev != next)) {
sched_info_switch(prev, next);
perf_event_task_sched_out(prev, next, cpu);
perf_event_task_sched_out(prev, next);
rq->nr_switches++;
rq->curr = next;