Re: Scheduler(?) regression from 2.6.22 to 2.6.24 for short-livedthreads

From: Ingo Molnar
Date: Fri Feb 08 2008 - 19:08:50 EST



* Olof Johansson <olof@xxxxxxxxx> wrote:

> 2.6.22: 3332 ms
> 2.6.23: 4397 ms
> 2.6.24: 8953 ms
> 2.6.24-git19: 8986 ms

if you enable SCHED_DEBUG, and subtract 4 from the value of
/proc/sys/kernel/sched_features, does it get any better?

if not, does writing 0 into /proc/sys/kernel/sched_features have any
impact?

Ingo
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