From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [kvm-devel] performance with guests running 2.4 kernels (specifically RHEL3) Date: Wed, 28 May 2008 17:35:59 +0300 Message-ID: <483D6DCF.1090903@qumranet.com> References: <48054518.3000104@cisco.com> <4805BCF1.6040605@qumranet.com> <4807BD53.6020304@cisco.com> <48085485.3090205@qumranet.com> <480C188F.3020101@cisco.com> <480C5C39.4040300@qumranet.com> <480E492B.3060500@cisco.com> <480EEDA0.3080209@qumranet.com> <480F546C.2030608@cisco.com> <481215DE.3000302@cisco.com> <20080428181550.GA3965@dmt> <4816617F.3080403@cisco.com> <4817F30C.6050308@cisco.com> <48184228.2020701@qumranet.com> <481876A9.1010806@cisco.com> <48187903.2070409@qumranet.com> <4826E744.1080107@qumranet.com> <4826F668.6030305@qumranet.com> <48290FC2.4070505@cisco.com> <48294272.5020801@qumranet.com> <482B4D29.7010202@cisco.com> <482C1633.5070302@qumranet.com> <482E5F9C.6000207@cisco.com> <482FCEE1.5040306@qumranet.com> <4830F90A.1020809@cisco.com> <4830FE8D.6010006@cisco.com> <4 8318E64.8090706@qumranet.com> <4832DDEB.4000100@qumranet.com> <4835EEF5.9010600@cisco.com> <483D391F.7050007@qumranet.com> <483D6898.2050605@cisco.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org To: "David S. Ahern" Return-path: Received: from bzq-179-150-194.static.bezeqint.net ([212.179.150.194]:46523 "EHLO il.qumranet.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750952AbYE1OgF (ORCPT ); Wed, 28 May 2008 10:36:05 -0400 In-Reply-To: <483D6898.2050605@cisco.com> Sender: kvm-owner@vger.kernel.org List-ID: David S. Ahern wrote: > Weird. Could it be something about the hosts? > > I have been running these tests on a DL320G5 with a Xeon 3050 CPU, 2.13 > GHz. Host OS is Fedora 8 with the 2.6.25.3 kernel. > > I'll rebuild kvm-69 with your latest patch and try the test programs again. > I've pushed it into kvm.git, branch name per-page-pte-tracking. -- Do not meddle in the internals of kernels, for they are subtle and quick to panic.