lkml.org 
[lkml]   [2005]   [Jun]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: SD_SHARE_CPUPOWER breaks scheduler fairness
Date
On Thu, 2 Jun 2005 04:41, Steve Rotolo wrote:
> I guess the bottom-line is: given N logical cpus, 1/N of all
> SCHED_NORMAL tasks may get stuck on a sibling cpu with no chance to
> run. All it takes is one spinning SCHED_FIFO task. Sounds like a bug.

You're right, and excuse me for missing it. We have to let SCHED_NORMAL tasks
run for some period with rt tasks. There shouldn't be any combination of
mutually exclusive tasks for siblings.

I'll work on something.

Cheers,
Con
[unhandled content-type:application/pgp-signature]
\
 
 \ /
  Last update: 2005-06-01 23:50    [W:0.391 / U:1.520 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site