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authorIngo Molnar <mingo@elte.hu>2008-09-22 16:29:00 +0200
committerIngo Molnar <mingo@elte.hu>2008-09-22 16:29:00 +0200
commitf681bbd656b01439be904250a1581ca9c27505a1 (patch)
tree4cf4690c4005c3f1c1f98020af62b03b69dcc85a /kernel
parent15afe09bf496ae10c989e1a375a6b5da7bd3e16e (diff)
downloadop-kernel-dev-f681bbd656b01439be904250a1581ca9c27505a1.zip
op-kernel-dev-f681bbd656b01439be904250a1581ca9c27505a1.tar.gz
sched: turn off WAKEUP_OVERLAP
WAKEUP_OVERLAP is not a winner on a 16way box, running psql+sysbench: .27-rc7-NO_WAKEUP_OVERLAP .27-rc7-WAKEUP_OVERLAP ------------------------------------------------- 1: 694 811 +14.39% 2: 1454 1427 -1.86% 4: 3017 3070 +1.70% 8: 5694 5808 +1.96% 16: 10592 10612 +0.19% 32: 9693 9647 -0.48% 64: 8507 8262 -2.97% 128: 8402 7087 -18.55% 256: 8419 5124 -64.30% 512: 7990 3671 -117.62% ------------------------------------------------- SUM: 64466 55524 -16.11% ... so turn it off by default. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/sched_features.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/sched_features.h b/kernel/sched_features.h
index bf027a7..7c9e8f4 100644
--- a/kernel/sched_features.h
+++ b/kernel/sched_features.h
@@ -11,4 +11,4 @@ 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_OVERLAP, 1)
+SCHED_FEAT(WAKEUP_OVERLAP, 0)
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