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| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2009-09-11 11:59:22 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-09-15 16:01:02 +0200 |
| commit | e6b1b2c9c0461c4e0971ed905ce3cda6512ee82a (patch) | |
| tree | 6462056dec7dcf59139f38d399f2cb27b07bd609 | |
| parent | b78bb868c54bebbf8d8786a3f8320700d6d2b864 (diff) | |
| download | blackbird-op-linux-e6b1b2c9c0461c4e0971ed905ce3cda6512ee82a.tar.gz blackbird-op-linux-e6b1b2c9c0461c4e0971ed905ce3cda6512ee82a.zip | |
sched: Split WAKEUP_OVERLAP
It consists of two conditions, split them out in separate toggles
so we can test them independently.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| -rw-r--r-- | kernel/sched_fair.c | 7 | ||||
| -rw-r--r-- | kernel/sched_features.h | 1 |
2 files changed, 5 insertions, 3 deletions
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c index aa7f84121016..cea5b82242ee 100644 --- a/kernel/sched_fair.c +++ b/kernel/sched_fair.c @@ -1526,9 +1526,10 @@ static void check_preempt_wakeup(struct rq *rq, struct task_struct *p, int sync) if (!sched_feat(WAKEUP_PREEMPT)) return; - if (sched_feat(WAKEUP_OVERLAP) && (sync || - (se->avg_overlap < sysctl_sched_migration_cost && - pse->avg_overlap < sysctl_sched_migration_cost))) { + if ((sched_feat(WAKEUP_SYNC) && sync) || + (sched_feat(WAKEUP_OVERLAP) && + (se->avg_overlap < sysctl_sched_migration_cost && + pse->avg_overlap < sysctl_sched_migration_cost))) { resched_task(curr); return; } diff --git a/kernel/sched_features.h b/kernel/sched_features.h index e2dc63a5815d..07c8250b404c 100644 --- a/kernel/sched_features.h +++ b/kernel/sched_features.h @@ -12,6 +12,7 @@ SCHED_FEAT(ASYM_GRAN, 1) SCHED_FEAT(LB_BIAS, 1) SCHED_FEAT(LB_WAKEUP_UPDATE, 1) SCHED_FEAT(ASYM_EFF_LOAD, 1) +SCHED_FEAT(WAKEUP_SYNC, 0) SCHED_FEAT(WAKEUP_OVERLAP, 0) SCHED_FEAT(LAST_BUDDY, 1) SCHED_FEAT(OWNER_SPIN, 1) |
