lkml.org 
[lkml]   [2014]   [Sep]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH] sched: fix spurious active migration
On 30 September 2014 10:41, Vincent Guittot <vincent.guittot@linaro.org> wrote:
> Since commit caeb178c60f4 ("sched/fair: Make update_sd_pick_busiest() ...")

As someone asked me on IRC, I want to clarify that this commit is not
yet in mainline but in tip/sched/core branch

> sd_pick_busiest returns a group that can be neither imbalanced nor overloaded
> but is only more loaded than others. This change has been introduced to ensure
> a better load balance in system that are not overloaded but as a side effect,
> it can also generate useless active migration between groups.
>

[snip]


\
 
 \ /
  Last update: 2014-09-30 12:01    [W:0.103 / U:0.208 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site