From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753291Ab3GAJM3 (ORCPT ); Mon, 1 Jul 2013 05:12:29 -0400 Received: from moutng.kundenserver.de ([212.227.17.10]:58420 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752969Ab3GAJM2 (ORCPT ); Mon, 1 Jul 2013 05:12:28 -0400 Message-ID: <1372669941.7678.113.camel@marge.simpson.net> Subject: Re: sched: context tracking demolishes pipe-test From: Mike Galbraith To: Peter Zijlstra Cc: LKML , Ingo Molnar Date: Mon, 01 Jul 2013 11:12:21 +0200 In-Reply-To: <20130701080638.GM6626@twins.programming.kicks-ass.net> References: <1372579056.6607.16.camel@marge.simpson.net> <20130630212940.GK6626@twins.programming.kicks-ass.net> <1372658875.7678.17.camel@marge.simpson.net> <20130701080638.GM6626@twins.programming.kicks-ass.net> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.3 Content-Transfer-Encoding: 7bit Mime-Version: 1.0 X-Provags-ID: V02:K0:f8ZeMRviIlQ9cj/spNPMMP1EBaxz3qmF4XeGzuRIypS RKNptACWmllUIc++1gRToja1JvD+e+twuVf1gNH60PNrMyArd6 oLTKPIrSFj7U9DOXxHo7rkB1aGfVq30FJ4KsLz0/uoWsnUnTTo CcQ0MmI+O5Et5bir9iYt0JY1GA96vEjf1Fr9INyKe9wgEH4NHe iAWU8kJMKH0NdHBmMB5ySGIAmAWdAhJCE0hMCStf67BEHI5jQe 6lrxfuMJ8KAHOVIlDSWZDgous2MwTcrxguTpYIAeD1Lj5LG1PD eHg03HLRxCHaqHmatTs/41Y8vWmSCmiotDfZcDO/waotITBv34 PUlTlJCVX6UViW5BqrjsqXUf5oPW9y5TaOz3Iql0fZcywFIqV2 JIg2ZSR00lWxQ== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 2013-07-01 at 10:06 +0200, Peter Zijlstra wrote: > So aside from the context tracking stuff, there's still a regression > we might want to look at. That's still a ~10% drop against 2.6.32 for > TCP_RR and few percents for tbench. Yeah, known, and some of it's ours. -Mike