From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shirley Ma Subject: Re: [PATCH 2/2] vhost-net: add a spin_threshold parameter Date: Tue, 21 Feb 2012 03:09:06 -0800 Message-ID: <1329822546.4407.1.camel@localhost.localdomain> References: <1329519726-25763-1-git-send-email-aliguori@us.ibm.com> <1329519726-25763-3-git-send-email-aliguori@us.ibm.com> <20120219145100.GB16620@redhat.com> <1329788131.13141.14.camel@localhost.localdomain> <4F432CDC.4090107@redhat.com> <1329805716.24119.3.camel@localhost.localdomain> <4F433BD5.1070400@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: "Michael S. Tsirkin" , Anthony Liguori , netdev@vger.kernel.org, Tom Lendacky , Cristian Viana To: Jason Wang Return-path: Received: from e9.ny.us.ibm.com ([32.97.182.139]:54652 "EHLO e9.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752583Ab2BUQJV (ORCPT ); Tue, 21 Feb 2012 11:09:21 -0500 Received: from /spool/local by e9.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 21 Feb 2012 11:09:20 -0500 Received: from d01relay04.pok.ibm.com (d01relay04.pok.ibm.com [9.56.227.236]) by d01dlp02.pok.ibm.com (Postfix) with ESMTP id 270FA6E805C for ; Tue, 21 Feb 2012 11:09:18 -0500 (EST) Received: from d03av06.boulder.ibm.com (d03av06.boulder.ibm.com [9.17.195.245]) by d01relay04.pok.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id q1LG9EP8321888 for ; Tue, 21 Feb 2012 11:09:14 -0500 Received: from d03av06.boulder.ibm.com (loopback [127.0.0.1]) by d03av06.boulder.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id q1LG9MRK028863 for ; Tue, 21 Feb 2012 09:09:23 -0700 In-Reply-To: <4F433BD5.1070400@redhat.com> Sender: netdev-owner@vger.kernel.org List-ID: On Tue, 2012-02-21 at 14:38 +0800, Jason Wang wrote: > Not sure whether it's related but did you try to disable the nagle > algorithm during the test? UDP doesn't use nagle, TCP_RRs results had no difference disable/enable nagle algorithm. Thanks Shirley