lkml.org 
[lkml]   [2010]   [Sep]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC 3/4] Disable scheduler tick when we are running SCHED_FIFO tasks
On Wed, Sep 08, Andi Kleen wrote:

> Jan Blunck <jblunck@suse.de> writes:
>
> > This patch is disabling the scheduler tick to go off when there is a task
> > with SCHED_FIFO policy running. Since these tasks are not timesliced anyway
> > we only care about timers, softirqs and such stuff just like when we disable
> > the tick during idle periods.
>
> How would these tasks accounted for then?
>
> The CPU time accounting relies on the timer tick currently.
>

Yes, that is a known issue.

Jan

> -Andi
>
> --
> ak@linux.intel.com -- Speaking for myself only.


\
 
 \ /
  Last update: 2010-09-08 16:49    [W:0.056 / U:0.840 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site