Re: [PATCH] numa,sched: only consider less busy nodes as numa balancing destination

From: Artem Bityutskiy
Date: Wed May 13 2015 - 07:00:01 EST


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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