lkml.org 
[lkml]   [2022]   [Feb]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC PATCH] tick/sched: Ensure quiet_vmstat() is called when the idle tick was stopped too
On Thu 2022-02-24 10:14 -0300, Marcelo Tosatti wrote:
> If the per-CPU vmstat_update is limited to happen once per second, that
> shouldnt be a significant performance impact?

Perhaps not. Albeit, is the interrupt worth it? Then again it could indeed
be a long time before the idle task is selected and a return to idle code
were we'd check for any remaining differentials with the aforementioned
patch.

Kind regards,

--
Aaron Tomlin

\
 
 \ /
  Last update: 2022-02-24 14:28    [W:0.618 / U:0.044 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site