* Peter Zijlstra <[email protected]> wrote:
> > We discovered performance degradation with dbench when using kernel
> > 2.6.23 compared to kernel 2.6.22.
>
> We've fixed a lot of regressions and made a lot of other changes to
> the scheduler since .23. Could you please try the backport of the
> latest scheduler on top of .23 to see if any of our recent work solved
> your problem? (using a backport against .23 or even .22 allows you to
> test just the scheduler changes in isolation)
actually, i'd suggest to use the CFS backport against .22 right away:
> http://people.redhat.com/mingo/cfs-scheduler/sched-cfs-v2.6.22.13-v24.patch
that would exclude all other changes that happened in 2.6.23.
Ingo
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