hulk inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/IA7CCA CVE: NA

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This reverts commit 47559d11e27beaecec41c1059c215ea61ece62d6.

We find the commit 47559d11e27b ("sched/fair:ARM64 enables SIS_UTIL and disables SIS_PROP"), which cause performance degradation with Unixbench pipe-base contextswich case tested on Kunpeng 920B.

Test case: ./Run context1 -c `nproc` -i 3 Unixbench results (Pipe-based_Context_Switching): baseline patched 4.5w 8.5w

Signed-off-by: Hui Tang tanghui20@huawei.com --- kernel/sched/features.h | 5 ----- 1 file changed, 5 deletions(-)

diff --git a/kernel/sched/features.h b/kernel/sched/features.h index 76fade025c4b..83f524cea64d 100644 --- a/kernel/sched/features.h +++ b/kernel/sched/features.h @@ -54,13 +54,8 @@ SCHED_FEAT(TTWU_QUEUE, true) /* * When doing wakeups, attempt to limit superfluous scans of the LLC domain. */ -#ifdef CONFIG_ARM64 SCHED_FEAT(SIS_PROP, false) SCHED_FEAT(SIS_UTIL, true) -#else -SCHED_FEAT(SIS_PROP, true) -SCHED_FEAT(SIS_UTIL, false) -#endif

#ifdef CONFIG_SCHED_STEAL /*