From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1945945AbWJ0Fhg (ORCPT ); Fri, 27 Oct 2006 01:37:36 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1945941AbWJ0Fhf (ORCPT ); Fri, 27 Oct 2006 01:37:35 -0400 Received: from web54511.mail.yahoo.com ([206.190.49.161]:18026 "HELO web54511.mail.yahoo.com") by vger.kernel.org with SMTP id S1945945AbWJ0Fhc (ORCPT ); Fri, 27 Oct 2006 01:37:32 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=Message-ID:Received:Date:From:Subject:To:MIME-Version:Content-Type:Content-Transfer-Encoding; b=beOd/tIjwscBizDXmShBoa2VMOddJLUkvLZBhNuEqI5Syt3epBz09FdM6IRxMkKrViXUzcPi1/rf6QdLBFWO6T/6C+8/+w/bhzDuwqmPjgZ+iNE3XhKJAb4CqV1m2R3A3S59izvT37x0TH3yf6HC1PyGdQgwXsKku0V8REmZ4jg= ; Message-ID: <20061027053731.57351.qmail@web54511.mail.yahoo.com> Date: Thu, 26 Oct 2006 22:37:31 -0700 (PDT) From: Indian Mogul Subject: CPU Loading To: linux-kernel@vger.kernel.org MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org ****Apologies if I have posted at the wrong mailing list ***** Hi, I need some help in understanding the impact of cpu loading and multimedia characteristics. My current system is Pentium4, HT, 1GB Ram; i am also using LInux 2.6.18.1 kernel (vanilla). For stressing the cpu, I am using interbench which run a loop using asm volatile identifier and the multimedia player I am using is mplayer. Here are my steps: 1. Fire Interbench in the background. Using top I see that the CPU utlization is 99.1%. 2. Fire mplayer with Interbench running. Both of them have equal priority. However, I am NOT seeing any impact of loading the cpu on the performance of mplyaer (i.e no dropped frames, lack of synchronization,...). How can I load the CPU such that the scheduling time slice is insuffucent for mplayer to playout the video? To the mplayer the system thus appears "slow" ? Thanks, IM __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com