diff options
author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2009-12-27 05:51:52 -0500 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2009-12-28 03:21:33 -0500 |
commit | 49f474331e563a6ecf3b1e87ec27ec5482b3e4f1 (patch) | |
tree | e3e4b5c718fd3d35ce01d4fe015886d9f3336760 /kernel/sched.c | |
parent | 4cf40131a5cf4918e83b3756e58a1fc9e984f8ef (diff) |
perf events: Remove arg from perf sched hooks
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>
Diffstat (limited to 'kernel/sched.c')
-rw-r--r-- | kernel/sched.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index 18cceeecce35..d6527ac0f6e7 100644 --- a/kernel/sched.c +++ b/kernel/sched.c | |||
@@ -2752,7 +2752,7 @@ static void finish_task_switch(struct rq *rq, struct task_struct *prev) | |||
2752 | */ | 2752 | */ |
2753 | prev_state = prev->state; | 2753 | prev_state = prev->state; |
2754 | finish_arch_switch(prev); | 2754 | finish_arch_switch(prev); |
2755 | perf_event_task_sched_in(current, cpu_of(rq)); | 2755 | perf_event_task_sched_in(current); |
2756 | finish_lock_switch(rq, prev); | 2756 | finish_lock_switch(rq, prev); |
2757 | 2757 | ||
2758 | fire_sched_in_preempt_notifiers(current); | 2758 | fire_sched_in_preempt_notifiers(current); |
@@ -5266,7 +5266,7 @@ void scheduler_tick(void) | |||
5266 | curr->sched_class->task_tick(rq, curr, 0); | 5266 | curr->sched_class->task_tick(rq, curr, 0); |
5267 | raw_spin_unlock(&rq->lock); | 5267 | raw_spin_unlock(&rq->lock); |
5268 | 5268 | ||
5269 | perf_event_task_tick(curr, cpu); | 5269 | perf_event_task_tick(curr); |
5270 | 5270 | ||
5271 | #ifdef CONFIG_SMP | 5271 | #ifdef CONFIG_SMP |
5272 | rq->idle_at_tick = idle_cpu(cpu); | 5272 | rq->idle_at_tick = idle_cpu(cpu); |
@@ -5480,7 +5480,7 @@ need_resched_nonpreemptible: | |||
5480 | 5480 | ||
5481 | if (likely(prev != next)) { | 5481 | if (likely(prev != next)) { |
5482 | sched_info_switch(prev, next); | 5482 | sched_info_switch(prev, next); |
5483 | perf_event_task_sched_out(prev, next, cpu); | 5483 | perf_event_task_sched_out(prev, next); |
5484 | 5484 | ||
5485 | rq->nr_switches++; | 5485 | rq->nr_switches++; |
5486 | rq->curr = next; | 5486 | rq->curr = next; |