Commit 5cabb5b5 authored by Hui Tang's avatar Hui Tang Committed by Yongqiang Liu
Browse files

sched: Introduce dynamic affinity for cfs scheduler 

hulk inclusion
category: feature
bugzilla: 187173, https://gitee.com/openeuler/kernel/issues/I5G4IH


CVE: NA

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

Dynamic affinity set preferred cpus for task. When the utilization of
taskgroup's preferred cpu is low, task only run in cpus preferred to
enhance cpu resource locality and reduce interference between task cgroups,
otherwise task can burst preferred cpus to use external cpu within
cpus allowed.

Signed-off-by: default avatarHui Tang <tanghui20@huawei.com>
Reviewed-by: default avatarZhang Qiao <zhangqiao22@huawei.com>
Reviewed-by: default avatarChen Hui <judy.chenhui@huawei.com>
Signed-off-by: default avatarYongqiang Liu <liuyongqiang13@huawei.com>
parent 2d4185ae

init/Kconfig

+10 −0
Original line number Diff line number Diff line
@@ -823,6 +823,16 @@ config RT_GROUP_SCHED 


endif #CGROUP_SCHED



config QOS_SCHED_DYNAMIC_AFFINITY

	bool "qos dynamic affinity"

	depends on CPUSETS

	default n

	help

	 This feature lets you allocate preferred cpus to taskgroup. If enabled,

	 it will make taskgroup only to use preferred cpus when cpu utilization

	 of taskgroup is below threshold setted, otherwise make taskgroup to use

	 cpus allowed.



config CGROUP_PIDS

	bool "PIDs controller"

	help