From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2992893AbXDDMY3 (ORCPT ); Wed, 4 Apr 2007 08:24:29 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S2992894AbXDDMY3 (ORCPT ); Wed, 4 Apr 2007 08:24:29 -0400 Received: from e32.co.us.ibm.com ([32.97.110.150]:32855 "EHLO e32.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2992893AbXDDMY2 (ORCPT ); Wed, 4 Apr 2007 08:24:28 -0400 Date: Wed, 4 Apr 2007 17:54:25 +0530 From: Gautham R Shenoy To: Ingo Molnar Cc: Srivatsa Vaddagiri , akpm@linux-foundation.org, paulmck@us.ibm.com, torvalds@linux-foundation.org, linux-kernel@vger.kernel.org, Oleg Nesterov , "Rafael J. Wysocki" , dipankar@in.ibm.com, dino@in.ibm.com, masami.hiramatsu.pt@hitachi.com Subject: Re: [RFC] Cpu-hotplug: Using the Process Freezer (try2) Message-ID: <20070404122425.GB14825@in.ibm.com> Reply-To: ego@in.ibm.com References: <20070402092818.GE2456@in.ibm.com> <20070402111828.GA14771@elte.hu> <20070402124200.GA9566@in.ibm.com> <20070402185607.GA2081@elte.hu> <20070403125619.GA32444@in.ibm.com> <20070403141516.GB14900@in.ibm.com> <20070404031502.GA23591@in.ibm.com> <20070404100431.GB19120@elte.hu> <20070404104123.GA14825@in.ibm.com> <20070404114901.GA8261@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070404114901.GA8261@elte.hu> User-Agent: Mutt/1.5.12-2006-07-14 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Apr 04, 2007 at 01:49:01PM +0200, Ingo Molnar wrote: > > i suspect a fork-intensive application like kernbench should be close to > the worst-case already. A more IO-intensive workload would maximize the > uninterruptible-sleep latencies perhaps? Ok. I hope the NFS read/write in a tight loop should do the trick. Will get back soon. > > Ingo Thanks and Regards gautham. -- Gautham R Shenoy Linux Technology Center IBM India. "Freedom comes with a price tag of responsibility, which is still a bargain, because Freedom is priceless!"