From: Cheng Jian cj.chengjian@huawei.com
hulk inclusion category: feature bugzilla: 38261 CVE: NA
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Steal tasks to improve CPU utilization can solve some performance problems such as mysql, but not all scenarios are optimized, such as hackbench.
So turn off by default.
Signed-off-by: Cheng Jian cj.chengjian@huawei.com Reviewed-by: Hanjun Guo guohanjun@huawei.com Signed-off-by: Yang Yingliang yangyingliang@huawei.com --- kernel/sched/features.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/sched/features.h b/kernel/sched/features.h index 4faab907432c..c8afe702d600 100644 --- a/kernel/sched/features.h +++ b/kernel/sched/features.h @@ -62,7 +62,7 @@ SCHED_FEAT(SIS_PROP, true) * Steal a CFS task from another CPU when going idle. * Improves CPU utilization. */ -SCHED_FEAT(STEAL, true) +SCHED_FEAT(STEAL, false)
/* * Issue a WARN when we do multiple update_rq_clock() calls