Message-ID: <1431514790.20417.18.camel@sauron.fi.intel.com>
Subject: Re: [PATCH] numa,sched: only consider less busy nodes as numa
 balancing destination
From: Artem Bityutskiy <dedekind1@gmail.com>
Reply-To: dedekind1@gmail.com
To: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@redhat.com>, linux-kernel@vger.kernel.org,
        mgorman@suse.de, jhladky@redhat.com
Date: Wed, 13 May 2015 13:59:50 +0300
In-Reply-To: <20150513062906.GJ3007@worktop.Skamania.guest>
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	 <1431090801.1418.87.camel@sauron.fi.intel.com>
	 <554D1681.7040902@redhat.com>
	 <1431438610.20417.0.camel@sauron.fi.intel.com>
	 <55522005.1080705@redhat.com>
	 <20150513062906.GJ3007@worktop.Skamania.guest>
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On Wed, 2015-05-13 at 08:29 +0200, Peter Zijlstra wrote:
> > 2) ensure that rq->nr_numa_running and rq->nr_preferred_running also
> >    get incremented for kernel threads that are bound to a particular
> >    CPU - currently CPU-bound kernel threads will cause the NUMA
> >    statistics to look like a CPU has tasks that do not belong on that
> >    NUMA node
> 
> I'm thinking accounting those to nr_pinned, lemme see how that works
> out.

Does not make any difference, avg. response time is still ~1.4sec.

Thank you!

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