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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 13 May 2015 13:59:50 +0300
From:	Artem Bityutskiy <dedekind1@...il.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Rik van Riel <riel@...hat.com>, linux-kernel@...r.kernel.org,
	mgorman@...e.de, jhladky@...hat.com
Subject: Re: [PATCH] numa,sched: only consider less busy nodes as numa
 balancing destination

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!

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/