Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\sched\fair.c Create Date:2022-07-28 09:38:10
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:__pick_first_entity

Proto:struct sched_entity *__pick_first_entity(struct cfs_rq *cfs_rq)

Type:struct sched_entity

Parameter:

TypeParameterName
struct cfs_rq *cfs_rq
601  left = Same as rb_first(), but O(1) ( & tasks_timeline)
603  If Not left Then Return NULL
606  Return rb_entry(left, structsched_entity, run_node)
Caller
NameDescribe
check_preempt_tickPreempt the current task with a newly woken task if needed:
pick_next_entityPick the next process, keeping these things in mind, in this order:* 1) keep things fair between processes/task groups* 2) pick the "next" process, since someone really wants that to run* 3) pick the "last" process, for cache locality* 4) do not run the
print_cfs_rq