Re: 2.6.12-rc6-mm1

Andrew Morton
2005-06-07T23:56:19Z

"Martin J. Bligh" <mbligh@mbligh.org> wrote:
>
> Wheeee! it actually compiles and boots for me on x86 ;-)

We aim to please.

> http://ftp.kernel.org/pub/linux/kernel/people/mbligh/abat/perf/kernbench.moe.png
>
> Seems to show that perf is rather sucky on kernbench though.

CPU scheduler.

> baseline (-rc6) data is here:
>
> http://ftp.kernel.org/pub/linux/kernel/people/mbligh/abat/4760/kernbench.test/
>
> -mm1 is here:
>
> http://ftp.kernel.org/pub/linux/kernel/people/mbligh/abat/4876/kernbench.test/
>
> Diffprofile is wacko (HZ seems to be defaulting to 250 in -mm).

Oh crap, so it does. That's wrong.

> If I factor it by 4x, I get:

Would it be possible to set it back to 100Hz, retest?