diff options
-rw-r--r-- | kernel/sched.c | 4 | ||||
-rw-r--r-- | kernel/sched_fair.c | 7 |
2 files changed, 8 insertions, 3 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index 521b89b01480..070eefdd90f5 100644 --- a/kernel/sched.c +++ b/kernel/sched.c | |||
@@ -680,6 +680,7 @@ enum { | |||
680 | SCHED_FEAT_SYNC_WAKEUPS = 32, | 680 | SCHED_FEAT_SYNC_WAKEUPS = 32, |
681 | SCHED_FEAT_HRTICK = 64, | 681 | SCHED_FEAT_HRTICK = 64, |
682 | SCHED_FEAT_DOUBLE_TICK = 128, | 682 | SCHED_FEAT_DOUBLE_TICK = 128, |
683 | SCHED_FEAT_NORMALIZED_SLEEPER = 256, | ||
683 | }; | 684 | }; |
684 | 685 | ||
685 | const_debug unsigned int sysctl_sched_features = | 686 | const_debug unsigned int sysctl_sched_features = |
@@ -690,7 +691,8 @@ const_debug unsigned int sysctl_sched_features = | |||
690 | SCHED_FEAT_CACHE_HOT_BUDDY * 1 | | 691 | SCHED_FEAT_CACHE_HOT_BUDDY * 1 | |
691 | SCHED_FEAT_SYNC_WAKEUPS * 1 | | 692 | SCHED_FEAT_SYNC_WAKEUPS * 1 | |
692 | SCHED_FEAT_HRTICK * 1 | | 693 | SCHED_FEAT_HRTICK * 1 | |
693 | SCHED_FEAT_DOUBLE_TICK * 0; | 694 | SCHED_FEAT_DOUBLE_TICK * 0 | |
695 | SCHED_FEAT_NORMALIZED_SLEEPER * 1; | ||
694 | 696 | ||
695 | #define sched_feat(x) (sysctl_sched_features & SCHED_FEAT_##x) | 697 | #define sched_feat(x) (sysctl_sched_features & SCHED_FEAT_##x) |
696 | 698 | ||
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c index 290cf770b712..022e036f2c3e 100644 --- a/kernel/sched_fair.c +++ b/kernel/sched_fair.c | |||
@@ -501,8 +501,11 @@ place_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, int initial) | |||
501 | if (!initial) { | 501 | if (!initial) { |
502 | /* sleeps upto a single latency don't count. */ | 502 | /* sleeps upto a single latency don't count. */ |
503 | if (sched_feat(NEW_FAIR_SLEEPERS)) { | 503 | if (sched_feat(NEW_FAIR_SLEEPERS)) { |
504 | vruntime -= calc_delta_fair(sysctl_sched_latency, | 504 | if (sched_feat(NORMALIZED_SLEEPER)) |
505 | &cfs_rq->load); | 505 | vruntime -= calc_delta_fair(sysctl_sched_latency, |
506 | &cfs_rq->load); | ||
507 | else | ||
508 | vruntime -= sysctl_sched_latency; | ||
506 | } | 509 | } |
507 | 510 | ||
508 | /* ensure we never gain time by being placed backwards. */ | 511 | /* ensure we never gain time by being placed backwards. */ |