linux-kernel - Re: rt14: strace -> migrate_disable

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Message-ID: <1316673097.27803.0.camel@twins>
Date:	Thu, 22 Sep 2011 08:31:37 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Mike Galbraith <efault@....de>
Cc:	linux-rt-users <linux-rt-users@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	LKML <linux-kernel@...r.kernel.org>,
	Oleg Nesterov <oleg@...hat.com>,
	Miklos Szeredi <miklos@...redi.hu>, mingo <mingo@...hat.com>
Subject: Re: rt14: strace ->  migrate_disable_atomic imbalance

On Thu, 2011-09-22 at 06:46 +0200, Mike Galbraith wrote:
> 
> ..perturbation (100% userspace hog) measurement proggy and jitter
> measurement proggy pinned to the same cpu makes 100% repeatable boom.
> 
> 
Uh ow... :-) I'd better go have a look then..
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