lkml.org 
[lkml]   [2014]   [Apr]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC PATCHC 0/3] sched/idle : find the idlest cpu with cpuidle info
On Tue, Apr 01, 2014 at 11:05:16AM +0200, Vincent Guittot wrote:
> >> We are working on a bench which can generate middle load pattern with
> >> idle CPUs but it's not available yet. In the mean time, one bench that
> >> plays with idle time is cyclictest, it will not give you performance
> >> results but only scheduling latency which might be what you are
> >> looking for.
> >
> >
> > Yeah, thanks. I believe I know what is in the rt-tests package :)
> >
> > What I meant is what kind of values would you like to see with this patchset
> > ?
>
> IIUC, you patch tries to improve the wake up latency of a task by
> selecting the CPUs with the shallowest C-state, so this metrics seems
> to be a good candidate

cyclic-test might be too regular to really measure anything though.


\
 
 \ /
  Last update: 2014-04-17 06:01    [W:0.075 / U:16.080 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site