Re: volanoMark regression with kernel 2.6.26-rc1

Peter Zijlstra
2008-05-07T17:35:14Z

On Wed, 2008-05-07 at 11:17 +0200, Ingo Molnar wrote:
> * Zhang, Yanmin <yanmin_zhang@linux.intel.com> wrote:
>
> > Comparing with 2.6.25, volanoMark has big regression with kernel
> > 2.6.26-rc1. It's about 50% on my 8-core stoakley, 16-core tigerton,
> > and Itanium Montecito.
> >
> > With bisect, I located below patch.
>
> thanks Yanmin, i've queued up your patch that reverts this change.

Is this really needed now that GROUP_SCHED defaults to 'n' ?

Yanmin, this is with GROUP_SCHED=y, right or is this without?