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SubjectRe: 3.0.0-rc6 ~9X system time degradation on kernbench
On Fri, Jul 08, 2011 at 08:45:51PM -0400, Rik van Riel wrote:
> On 07/08/2011 03:36 PM, Prarit Bhargava wrote:
> >Just some numbers out of kernbench. System Time& Context Switches
> >climb dramatically between 2.6.38 and 3.0.0-rc6. Currently bisecting to
> >find out why. .config is based on Fedora's x86_64 .config.
>

Er, if you're using Fedora's config, did you 'make release' first?
grep DEBUG in the config and see why... ;-)

> For the record, I am also seeing dramatically increased
> CPU use with the 3.0-rc kernel, vs 2.6.38.
>
> I first attributed it to me upgrading my video card, but
> Prarit is seeing slowdowns too, so it's not just me...
>
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