From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935458Ab3DII4L (ORCPT ); Tue, 9 Apr 2013 04:56:11 -0400 Received: from 173-166-109-252-newengland.hfc.comcastbusiness.net ([173.166.109.252]:47356 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935272Ab3DII4F (ORCPT ); Tue, 9 Apr 2013 04:56:05 -0400 Message-ID: <1365497753.2609.163.camel@laptop> Subject: Re: [PATCH v4] sched: fix wrong rq's runnable_avg update with rt tasks From: Peter Zijlstra To: Vincent Guittot Cc: linux-kernel@vger.kernel.org, linaro-kernel@lists.linaro.org, mingo@kernel.org, pjt@google.com, rostedt@goodmis.org, fweisbec@gmail.com, efault@gmx.de Date: Tue, 09 Apr 2013 10:55:53 +0200 In-Reply-To: <1365084959-28374-1-git-send-email-vincent.guittot@linaro.org> References: <1365084959-28374-1-git-send-email-vincent.guittot@linaro.org> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.6.2-0ubuntu0.1 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2013-04-04 at 16:15 +0200, Vincent Guittot wrote: > Changes since V2: > - remove useless definition for UP platform > - rebased on top of Steven Rostedt's patches : > https://lkml.org/lkml/2013/2/12/558 So what's the status of those patches? I still worry about the extra context switch overhead for the high-frequency idle scenario.