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Date: Wed, 23 Jul 2008 15:54:43 +0200
From: Andi Kleen <andi@firstfloor.org>
To: "Alex Nixon (Intern)" <Alex.Nixon@eu.citrix.com>
Cc: Andi Kleen <andi@firstfloor.org>, Jeremy Fitzhardinge <jeremy@goop.org>,
       Peter Zijlstra <peterz@infradead.org>, Ingo Molnar <mingo@elte.hu>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
       Ian Campbell <Ian.Campbell@eu.citrix.com>,
       "Theodore Ts'o" <tytso@mit.edu>
Subject: Re: Large increase in context switch rate
Message-ID: <20080723135443.GA20882@one.firstfloor.org>
References: <487E43D9.7080703@goop.org> <87mykgrxtv.fsf@basil.nowhere.org> <0E902970173AF84089673FA54B7FE78A329073@lonpexch01.citrite.net>
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> Seems to be a mystery why that patch is (seemingly) the culprit...anyone

Yes looks weird.

> have any ideas?  Maybe there's some other variable I'm not keeping
> constant?

Did you verify it was really that patch by unapplying/reapplying it?
Sometimes there are mistakes in the bisect process.

-Andi