Re: [patch] voluntary-preempt-2.6.8.1-P0

Ingo Molnar
2004-08-16T03:44:51Z

* Lee Revell <rlrevell@joe-job.com> wrote:

> On Sun, 2004-08-15 at 23:36, Ingo Molnar wrote:
> > doh - i think i found a brown-paperbag bug.
>
> Heh, this would explain all those latency traces with repeated
> calls to voluntary_resched...

hm, didnt those traces show preempt_schedule()?

this bug also fooled the latency tracer because the preempt count went
down to zero (hence the latency got reset), but in reality we skipped
the reschedule.

Ingo