From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Zhai, Edwin" Subject: Re: [PATCH][retry 4] Add support for Pause Filtering to AMD SVM Date: Wed, 05 Aug 2009 17:08:01 +0800 Message-ID: <4A794BF1.3060809@intel.com> References: <200905050909.58583.mark.langsdorf@amd.com> <200907081319.57307.sheng@linux.intel.com> <6453C3CB8E2B3646B0D020C112613273036209F0@sausexmb4.amd.com> <200907090950.06204.sheng@linux.intel.com> <6453C3CB8E2B3646B0D020C112613273036209FB@sausexmb4.amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Sheng Yang , "Roedel, Joerg" , "peterz@infradead.org" , Ingo Molnar , "avi@redhat.com" , "kvm@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "Zhai, Edwin" To: "Langsdorf, Mark" Return-path: Received: from mga09.intel.com ([134.134.136.24]:25989 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933667AbZHEJID (ORCPT ); Wed, 5 Aug 2009 05:08:03 -0400 In-Reply-To: <6453C3CB8E2B3646B0D020C112613273036209FB@sausexmb4.amd.com> Sender: kvm-owner@vger.kernel.org List-ID: Mark, Do you have time to push the Linux scheduler changes for Pause Filtering now? It's almost done after your work. If needing any help, pls. let me know. Thanks, edwin Langsdorf, Mark wrote: >> Um, I am afraid we have the different result... With your >> scheduler patch, we got 1% more performance improvement >> in the quick test. Of course more tests are needed to >> find a better value of delay. >> > > What was your test case? How many runs did you do? > My results had a lot of variance in them. > > >> Do you have time to work on it recently? >> > > I've been working with the former VI guys on some scheduler > improvements for Xen, and hope to get back to this some > next week. > > -Mark Langsdorf > Operating System Research Center > AMD > >