Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751765AbaJZOLy (ORCPT ); Sun, 26 Oct 2014 10:11:54 -0400 Received: from cassarossa.samfundet.no ([193.35.52.29]:44027 "EHLO cassarossa.samfundet.no" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751513AbaJZOLx (ORCPT ); Sun, 26 Oct 2014 10:11:53 -0400 Date: Sun, 26 Oct 2014 15:11:45 +0100 From: "Steinar H. Gunderson" To: Mike Galbraith Cc: Thomas Gleixner , Linus Torvalds , Linux Kernel Mailing List , Peter Zijlstra Subject: Re: bisected: futex regression >= 3.14 - was - Slowdown due to threads bouncing between HT cores Message-ID: <20141026141144.GA22911@sesse.net> References: <20141003194428.GA27084@sesse.net> <1412782664.5179.75.camel@marge.simpson.net> <1412791184.5173.11.camel@marge.simpson.net> <1414168721.5308.3.camel@marge.simpson.net> <20141026103918.GA5259@sesse.net> <1414329375.5304.20.camel@marge.simpson.net> <1414331916.5304.23.camel@marge.simpson.net> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <1414331916.5304.23.camel@marge.simpson.net> X-Operating-System: Linux 3.16.3 on a x86_64 User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 */ -- Homepage: http://www.sesse.net/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/