From mboxrd@z Thu Jan 1 00:00:00 1970 From: Or Gerlitz Subject: Re: [PATCH 0/3] qemu-kvm: vhost net support Date: Wed, 19 Aug 2009 11:11:38 +0300 Message-ID: <4A8BB3BA.3040806@Voltaire.com> References: <20090810192304.GA16781@redhat.com> <4A808840.70704@codemonkey.ws> <20090812173548.GA29981@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: Anthony Liguori , avi@redhat.com, kvm@vger.kernel.org, virtualization@lists.linux-foundation.org To: "Michael S. Tsirkin" Return-path: Received: from fwil.voltaire.com ([193.47.165.2]:25068 "EHLO exil.voltaire.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751775AbZHSILs (ORCPT ); Wed, 19 Aug 2009 04:11:48 -0400 In-Reply-To: <20090812173548.GA29981@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: Michael S. Tsirkin wrote: > Well, I definitely see some gain in latency. > Here's a simple test over a 1G ethernet link (host to guest): > Native: > 126976 126976 1 1 10.00 10393.23 > vhost virtio: > 126976 126976 1 1 10.00 8169.58 > Userspace virtio: > 126976 126976 1 1 10.00 2029.49 Hi Michael, Can you provide udp stream numbers for small packets, so we can see the packets-per-second gain? e.g -- -m 22 which should account for 64 byte frames. Or.