From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [ANNOUNCE] kvm-14 release Date: Tue, 20 Feb 2007 09:15:06 +0200 Message-ID: <45DA9FFA.2020009@qumranet.com> References: <45D98390.6060001@qumranet.com> <45DA25D9.1060509@aurel32.net> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel To: Aurelien Jarno Return-path: In-Reply-To: <45DA25D9.1060509-rXXEIb44qovR7s880joybQ@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 Aurelien Jarno wrote: > The bad news is that kvm-14 seems to be a lot slower than kvm-12 + > modules from kernel 2.6.20. This is the case with a GNU/kFreeBSD guest. > kvm-12 was about 1.5 time faster than qemu + kqemu. kvm-20 is slower > than qemu without kqemu... > > Does anybody have an idea about this performance regression? > What is your workload? How are you measuring performance? -- Do not meddle in the internals of kernels, for they are subtle and quick to panic. ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV