From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965836AbXCPSoS (ORCPT ); Fri, 16 Mar 2007 14:44:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965849AbXCPSoS (ORCPT ); Fri, 16 Mar 2007 14:44:18 -0400 Received: from an-out-0708.google.com ([209.85.132.242]:31869 "EHLO an-out-0708.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965836AbXCPSoR (ORCPT ); Fri, 16 Mar 2007 14:44:17 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=ZoFdHzEruhEHe0dpqUO3DT99fDPNaPKJnE97SWWZqDnxPvDU5/kTqCtyKPXNylRQoK4LlCsxAy/KqTTgG4UF2aRxAEJMA+3gIlg9Pm1QpE9hq8HmbF8fCJrYztOOo1bvAapEyZIyPW5KilH/QFoqOaH7PI+mxIwC1ievjfmvBto= Message-ID: <3d8471ca0703161144l5e32e25ax5bc771f2cb272c96@mail.gmail.com> Date: Fri, 16 Mar 2007 19:44:14 +0100 From: "Guillaume Chazarain" To: "Daniel Walker" Subject: Re: [PATCH] Add an offset in the cyc2ns computation to fix sched_clock jumps Cc: "Andi Kleen" , "john stultz" , mathieu.desnoyers@polymtl.ca, linux-kernel@vger.kernel.org In-Reply-To: <1174069846.3101.113.camel@imap.mvista.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <3d8471ca0703161114o7ad654car60c1a6b801401149@mail.gmail.com> <1174069846.3101.113.camel@imap.mvista.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org 2007/3/16, Daniel Walker : > Did you explain what the "werirdnes" was exactly? If not, could you? I didn't track these weirdnesses in the scheduler code, but the symptom is audio skipping and the mouse stops moving when the CPU becomes busy and the ondemand governor increases the frequency. This lasts for 0.1~0.5 seconds and after that everything is fine. Thank you all for the quick responses. -- Guillaume