lkml.org 
[lkml]   [2015]   [Nov]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 3/4] sched: introduce synchronized idle injection

* Peter Zijlstra <peterz@infradead.org> wrote:

> On Wed, Nov 18, 2015 at 09:36:22AM +0100, Ingo Molnar wrote:
> > What will such throttling do to latencies, as observed by user-space tasks? What's
> > the typical expected frequency of the throttling frequency that you are targeting?
>
> The default has 5ms (iirc) of forced idle, so depending on what you do,
> noticeable to outright painful.

That's absolutely painful!

Thanks,

Ingo


\
 
 \ /
  Last update: 2015-11-27 10:21    [W:0.227 / U:1.076 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site