Date: Fri, 15 Aug 2008 17:37:04 +0200
From: Ingo Molnar <mingo@elte.hu>
To: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Dhaval Giani <dhaval@linux.vnet.ibm.com>,
       "Zhang, Yanmin" <yanmin_zhang@linux.intel.com>,
       LKML <linux-kernel@vger.kernel.org>,
       Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>,
       Aneesh Kumar KV <aneesh.kumar@linux.vnet.ibm.com>,
       Balbir Singh <balbir@in.ibm.com>
Subject: Re: VolanoMark regression with 2.6.27-rc1
Message-ID: <20080815153704.GB27955@elte.hu>
References: <1217489463.25608.157.camel@ymzhang> <1217489949.8157.78.camel@twins> <1217490560.25608.168.camel@ymzhang> <1217551154.25608.169.camel@ymzhang> <20080801051407.GA5232@linux.vnet.ibm.com> <1217826278.25608.198.camel@ymzhang> <20080804052228.GA5444@linux.vnet.ibm.com> <1217828278.25608.206.camel@ymzhang> <20080804055339.GB5444@linux.vnet.ibm.com> <1217832866.9016.45.camel@twins>
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* Peter Zijlstra <a.p.zijlstra@chello.nl> 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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