lkml.org 
[lkml]   [2007]   [Sep]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [git] CFS-devel, group scheduler, fixes
From
Date
On Wed, 2007-09-19 at 10:06 -0700, Tong Li wrote:

> Were the experiments run on a 2-CPU system?

Yes.

> When Xorg experiences large
> wait time, is it on the same CPU that has the two pinned tasks? If this is
> the case, then the problem could be X somehow advanced faster and got a
> larger vruntime then the two pinned tasks, so it had to wait for the
> pinned ones to catch up before it got a chance to be scheduled.

Good question. I've not yet been able to capture any event where
vruntimes are that far apart in sched_debug.

-Mike

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-09-20 06:57    [W:4.832 / U:0.044 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site