linux-kernel - Re: [LKP] [sched/numa] a43455a1d57: +94.1% proc-vmstat.numa_hint_faults

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Message-ID: <20140802042643.GM19379@twins.programming.kicks-ass.net>
Date:	Sat, 2 Aug 2014 06:26:43 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Jirka Hladky <jhladky@...hat.com>
Cc:	Davidlohr Bueso <davidlohr@...com>, Rik van Riel <riel@...hat.com>,
	Aaron Lu <aaron.lu@...el.com>,
	LKML <linux-kernel@...r.kernel.org>, lkp@...org
Subject: Re: [LKP] [sched/numa] a43455a1d57: +94.1%
 proc-vmstat.numa_hint_faults_local

On Fri, Aug 01, 2014 at 11:30:34PM +0200, Jirka Hladky wrote:
> I see the regression only on this box. It has 4 "Ivy Bridge-EX" Xeon E7-4890
> v2 CPUs.

That's the exact CPU I've got in the 4 node machine I did the tests on.


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