Re: VolanoMark regression with 2.6.27-rc1

From: Ingo Molnar
Date: Fri Aug 15 2008 - 11:37:36 EST



* Peter Zijlstra <a.p.zijlstra@xxxxxxxxx> wrote:

> On Mon, 2008-08-04 at 11:23 +0530, Dhaval Giani wrote:
>
> > Peter, vatsa, any ideas?
>
> ---
> Subject: sched: scale sysctl_sched_shares_ratelimit with nr_cpus
>
> David reported that his Niagra spend a little too much time in
> tg_shares_up(), which considering he has a large cpu count makes sense.
>
> So scale the ratelimit value with the number of cpus like we do for
> other controls as well.

i've queued this up in tip/sched/urgent as it makes sense - but i'm also
wondering, does this impact the volano numbers?

Ingo
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