lkml.org 
[lkml]   [2008]   [Oct]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [bug report] sched: stop_machine() usage causes load balancer to misbehave
Steven Rostedt wrote:
> On Thu, 2 Oct 2008, Chris Friesen wrote:
>
>
>>I mentioned before that ftrace (specifically the ftraced daemon) seems to be
>>interfering with the load balancer. After some experimenting, it appears that
>>any regular calls to stop_machine() will end up confusing the load balancer.
>>
>>As an experiment, I disabled ftraced (which would normally result in correct
>>load balancing) but added a single kernel thread which simply runs the
>>following loop, where "chrisd2" is a dummy function.
>
>
>
> Chris,
>
> Thanks for looking into this. I don't have an answer for your question,
> but I'll work harder to get the MCOUNT_REC working in PPC.
>
> Does this happen with x86 too?

Unfortunately I don't have an x86 box handy for testing...I could
probably get some time on a lab machine next week.

Chris


\
 
 \ /
  Last update: 2008-10-04 07:31    [from the cache]
©2003-2011 Jasper Spaans