Bug 4849 - Backport sched: Remove the limitation of WF_ON_CPU on wakelist if wakee cpu is idle
Summary: Backport sched: Remove the limitation of WF_ON_CPU on wakelist if wakee cpu ...
Status: NEW
Alias: None
Product: ANCK 5.10 Dev
Classification: ANCK
Component: sched (show other bugs) sched
Version: unspecified
Hardware: All Linux
: P3-Medium S3-normal
Target Milestone: ---
Assignee: Alierwei
QA Contact: shuming
URL:
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Depends on:
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Reported: 2023-04-27 18:06 UTC by AubreyLi
Modified: 2023-04-27 18:26 UTC (History)
2 users (show)

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Description AubreyLi intel_group 2023-04-27 18:06:06 UTC 
Backport commit f3dd3f674555 ("sched: Remove the limitation of WF_ON_CPU on wakelist if wakee cpu is idle") for performance optimization

Unixbench with full threads (224) has ~9% improvement of Pipe-based Context Switching on ANCK devel-5.10
Comment 1 小龙 admin 2023-04-27 18:26:37 UTC 
The PR Link: https://gitee.com/anolis/cloud-kernel/pulls/1598