From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964858AbXBLQSh (ORCPT ); Mon, 12 Feb 2007 11:18:37 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964867AbXBLQSh (ORCPT ); Mon, 12 Feb 2007 11:18:37 -0500 Received: from wx-out-0506.google.com ([66.249.82.224]:58384 "EHLO wx-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964858AbXBLQSg (ORCPT ); Mon, 12 Feb 2007 11:18:36 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:user-agent:mime-version:to:cc:subject:references:in-reply-to:content-type:content-transfer-encoding; b=iZ6/hrRBye6+S6bELo3PCZqcz2jPgzcixDKnrprUbANyAgO3aVAifUBpovbuSuIvhq2vyLoxWWocvLS7ZlDoAEG0VeUzMVto4OK72xzNh4vtmLA35Rva5Z2Gqj/iJ0VCe+VzP8S4Z530qTLub9hudU6+gZUp4C4qbgy4pTY3Gr0= Message-ID: <45D0934B.1060400@gmail.com> Date: Mon, 12 Feb 2007 08:18:19 -0800 From: Tejun Heo User-Agent: Icedove 1.5.0.9 (X11/20061220) MIME-Version: 1.0 To: ris CC: linux-kernel@vger.kernel.org Subject: Re: High CPU usage with sata_nv References: <20070115164541.M22367@elsat.net.pl> <20070115165432.M87238@elsat.net.pl> <20070115182642.GA18374@slug> <20070115222320.M55059@elsat.net.pl> <45B43241.1070301@gmail.com> <45D00DF7.6090605@gmail.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org ris wrote: > Tejun Heo gmail.com> writes: > >> iowait != cpu busy. Your cpu idleness stays above 80%. >> > > > Ok ...... but one of my CPU core are at 99% usage .... > htop report this .... > > So how to solve this problem ? The red part of cpu usage bar represents 'iowait' not cpu usage. Fire up both top and htop and pay attention to 'Wa' value in top. You're just confused about how the graph is drawn in htop, nothing wrong with your system. -- tejun