From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: A testing for KVM Date: Wed, 13 Jun 2007 11:48:22 +0300 Message-ID: <466FAF56.4070802@qumranet.com> References: <10EA09EFD8728347A513008B6B0DA77AA3EEA0@pdsmsx411.ccr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org To: "Zhao, Yunfeng" Return-path: In-Reply-To: <10EA09EFD8728347A513008B6B0DA77AA3EEA0-wq7ZOvIWXbNpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: kvm.vger.kernel.org Zhao, Yunfeng wrote: > Hi, > We ran a testing against latest KVM to know its quality status. > In the testing we tried to boot guests, test basic devices of guest, and > install guests. > Thanks for doing this -- it is enormously useful. > Basic devices, Keybord,disk,VGA, and nic works well, but timer is NOT > accurate while running some workload on guests. > We found that using an hrtimer enabled host with CONFIG_HZ=1000 improves things. However I don't think that it's as accurate as 7 seconds in 20 minutes (that's better than 1% accuracy), so probably more work is needed in qemu to correct time drift. -- error compiling committee.c: too many arguments to function ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/