lkml.org 
[lkml]   [2022]   [Sep]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH v5 1/5] sched/fair: Ignore SIS_UTIL when has idle core
From
Date
On Fri, 2022-09-09 at 13:53 +0800, Abel Wu wrote:
> When SIS_UTIL is enabled, SIS domain scan will be skipped if the
> LLC is overloaded even the has_idle_core hint is true. Since idle
> load balancing is triggered at tick boundary, the idle cores can
> stay cold for the whole tick period wasting time meanwhile some
> of other cpus might be overloaded.
>
> Give it a chance to scan for idle cores if the hint implies a
> worthy effort.

Reviewed-by: Tim Chen <tim.c.chen@linux.intel.com>
>

\
 
 \ /
  Last update: 2022-09-14 23:59    [W:0.282 / U:0.408 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site