From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ian Campbell Subject: Re: Phoronix Xen vs KVM vs Virtualbox benchmark with Ubuntu 11.10 Date: Tue, 1 Nov 2011 20:57:14 +0900 Message-ID: <1320148634.3084.12.camel@cthulhu.hellion.org.uk> References: <20111031214036.GG12984@reaktio.net> <4EAFD891.8000204@icg.tugraz.at> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <4EAFD891.8000204@icg.tugraz.at> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: "dokter@icg.tugraz.at" Cc: "xen-devel@lists.xensource.com" List-Id: xen-devel@lists.xenproject.org On Tue, 2011-11-01 at 07:31 -0400, Mark Dokter wrote: > In that test, the KVM machine uses virtio disk and nic devices, while > the Xen machine uses the qemu emulated devices. Could that be the cause > for the poor performance? Very much so. Without using the PVHVM drivers in the Xen case this is very much an apples to oranges comparison. Ian.