linux-kernel - Re: bisected: futex regression >= 3.14 - was - Slowdown due to threads bouncing between HT cores

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Message-ID: <20141026141144.GA22911@sesse.net>
Date:	Sun, 26 Oct 2014 15:11:45 +0100
From:	"Steinar H. Gunderson" <sgunderson@...foot.com>
To:	Mike Galbraith <umgwanakikbuti@...il.com>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <peterz@...radead.org>
Subject: Re: bisected: futex regression >= 3.14 - was - Slowdown due to
 threads bouncing between HT cores

On Sun, Oct 26, 2014 at 02:58:36PM +0100, Mike Galbraith wrote:
> Can you try the below?

I can bake it into the kernel the next time I boot, but that is unlikely to
be anytime soon, I'm afraid. I'm maybe a bit surprised nobody else can
reproduce my issue; I assume it won't help if I give out shell access
somehow.

/* Steinar */
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Homepage: http://www.sesse.net/
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