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| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2009-12-27 11:51:52 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-12-28 09:21:33 +0100 |
| commit | 49f474331e563a6ecf3b1e87ec27ec5482b3e4f1 (patch) | |
| tree | e3e4b5c718fd3d35ce01d4fe015886d9f3336760 /kernel/sched.c | |
| parent | perf record: Introduce a symtab cache (diff) | |
| download | linux-49f474331e563a6ecf3b1e87ec27ec5482b3e4f1.tar.xz linux-49f474331e563a6ecf3b1e87ec27ec5482b3e4f1.zip | |
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) */ 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; |