Commit 4e57e412 authored May 10, 2022 by Guan Jing Committed by Zheng Zengkai May 10, 2022

sched: Introduce qos smt expeller for co-location

hulk inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I52611


CVE: NA

--------------------------------

We introduce the qos smt expeller, which lets
online tasks to expel offline tasks on the smt sibling cpus,
and exclusively occupy CPU resources.In this way we are
able to improve QOS of online tasks in co-location.

Signed-off-by: Guan Jing <guanjing6@huawei.com>
Reviewed-by: Chen Hui <judy.chenhui@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>

parent 83d11b1f

init/Kconfig

+9 −0

Original line number	Diff line number	Diff line
		@@ -966,6 +966,15 @@ config QOS_SCHED

		default n

		config QOS_SCHED_SMT_EXPELLER
		bool "Qos smt expeller"
		depends on SCHED_SMT
		depends on QOS_SCHED
		default n
		help
		This feature enable online tasks to expel offline tasks
		on the smt sibling cpus, and exclusively occupy CPU resources.

		config FAIR_GROUP_SCHED
		bool "Group scheduling for SCHED_OTHER"
		depends on CGROUP_SCHED