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| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2012-05-08 16:56:04 (GMT) |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2012-05-09 13:23:17 (GMT) |
| commit | cb04ff9ac424d0e689d9b612e9f73cb443ab4b7e (patch) | |
| tree | 7335f4ca82dc0366ffbf9dc8de5396259213435a /kernel/sched | |
| parent | 8b1e13638d465863572c8207a5cfceeef0cf0441 (diff) | |
| download | linux-cb04ff9ac424d0e689d9b612e9f73cb443ab4b7e.tar.xz | |
sched, perf: Use a single callback into the scheduler
We can easily use a single callback for both sched-in and sched-out. This
reduces the code footprint in the scheduler path as well as removes
the PMU black spot otherwise present between the out and in callback.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/n/tip-o56ajxp1edwqg6x9d31wb805@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched')
| -rw-r--r-- | kernel/sched/core.c | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 4603b9d..5c692a0 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -1913,7 +1913,7 @@ prepare_task_switch(struct rq *rq, struct task_struct *prev, struct task_struct *next) { sched_info_switch(prev, next); - perf_event_task_sched_out(prev, next); + perf_event_task_sched(prev, next); fire_sched_out_preempt_notifiers(prev, next); prepare_lock_switch(rq, next); prepare_arch_switch(next); @@ -1956,13 +1956,6 @@ static void finish_task_switch(struct rq *rq, struct task_struct *prev) */ prev_state = prev->state; finish_arch_switch(prev); -#ifdef __ARCH_WANT_INTERRUPTS_ON_CTXSW - local_irq_disable(); -#endif /* __ARCH_WANT_INTERRUPTS_ON_CTXSW */ - perf_event_task_sched_in(prev, current); -#ifdef __ARCH_WANT_INTERRUPTS_ON_CTXSW - local_irq_enable(); -#endif /* __ARCH_WANT_INTERRUPTS_ON_CTXSW */ finish_lock_switch(rq, prev); finish_arch_post_lock_switch(); |