From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jes Sorensen Subject: Re: Virtio network performance poorer than emulated e1000 Date: Mon, 26 Jul 2010 10:26:36 +0200 Message-ID: <4C4D46BC.2060106@redhat.com> References: <1279844304.3274.43.camel@w-sridhar.beaverton.ibm.com> <4C49409B.5000505@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org, Sridhar Samudrala To: Balachandar Return-path: Received: from mx1.redhat.com ([209.132.183.28]:30018 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753112Ab0GZI0k (ORCPT ); Mon, 26 Jul 2010 04:26:40 -0400 In-Reply-To: Sender: kvm-owner@vger.kernel.org List-ID: On 07/24/10 17:04, Balachandar wrote: > On Fri, Jul 23, 2010 at 3:11 AM, Jes Sorensen wrote: > Actually i got better results when i downloaded qemu-kvm 0.12.4 from > sourceforge and ran it. Now virtio performs better than emaulated > e1000 with our own simple ping-pong latency tests. Previously i used > Debian squeeze kvm package and i got poor results for virtio. I used > vhost-net as described by the kvm > website.http://www.linux-kvm.org/page/VhostNet. This also seem to have > the same problems i faced with Debian kvm package. How are you guyz > using vhost? Is there any other way to use vhost? Ok thats good to hear. Sounds like the Debian package might be dodgy, or they just happened to snapshot at a bad time. For vhost I am not the expert, maybe someone else knows. Jes