From: Cheng Jian <cj.chengjian@huawei.com> hulk inclusion category: feature bugzilla: 38261, https://gitee.com/openeuler/kernel/issues/I49XPZ CVE: NA --------------------------- 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> Reviewed-by: Xie XiuQi <xiexiuqi@huawei.com> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Reviewed-by: Chen Hui <judy.chenhui@huawei.com> Signed-off-by: Zheng Zengkai <zhengzengkai@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 98925e29b1b9..d7c63040deb7 100644 --- a/kernel/sched/features.h +++ b/kernel/sched/features.h @@ -60,7 +60,7 @@ 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 -- 2.20.1