From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?B?QkVSVFJBTkQgSm/Dq2w=?= Subject: Re: Abort Task ? Date: Fri, 19 Oct 2007 16:47:27 +0200 Message-ID: <4718C37F.3050406@systella.fr> References: <471720F1.40409@systella.fr> <471727F3.2080500@systella.fr> <471734C5.8090405@systella.fr> <1192721909.3596.15.camel@dhcp-117.ibrix.com> <47178ABF.1040500@systella.fr> <47179492.4000109@systella.fr> <47186137.2030906@systella.fr> <1192802144.3593.2.camel@dhcp-117.ibrix.com> <4718BF6A.6080905@systella.fr> <1192804659.3593.7.camel@dhcp-117.ibrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1192804659.3593.7.camel@dhcp-117.ibrix.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: iscsitarget-devel-bounces@lists.sourceforge.net Errors-To: iscsitarget-devel-bounces@lists.sourceforge.net To: blackmagic02881@gmail.com Cc: iscsitarget-devel@lists.sourceforge.net, linux-raid@vger.kernel.org List-Id: linux-raid.ids Ming Zhang wrote: > > as Ross pointed out, many io pattern only have 1 outstanding io at any > time, so there is only one work thread actively to serve it. so it can > not exploit the multiple core here. > > > you see 100% at nullio or fileio? with disk, most time should spend on > iowait and cpu utilization should not high at all. With both nullio and fileio... ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/