From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from palrel10.hp.com (palrel10.hp.com [156.153.255.245]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "palrel10.hp.com", Issuer "RSA Data Security, Inc." (verified OK)) by ozlabs.org (Postfix) with ESMTP id B0C4B679F9 for ; Sat, 1 Apr 2006 04:53:50 +1100 (EST) Message-ID: <442D689E.9080209@hp.com> Date: Fri, 31 Mar 2006 09:36:30 -0800 From: Rick Jones MIME-Version: 1.0 Subject: Re: [PATCH]: e1000: prevent statistics from getting garbled during reset. References: <20060330213928.GQ2172@austin.ibm.com> <20060331000208.GS2172@austin.ibm.com> <442C8069.507@wolfmountaingroup.com> <20060331003506.GU2172@austin.ibm.com> <442CACC0.1060308@wolfmountaingroup.com> <20060331170319.GV2172@austin.ibm.com> In-Reply-To: <20060331170319.GV2172@austin.ibm.com> Content-Type: text/plain; charset=us-ascii; format=flowed Cc: netdev@vger.kernel.org, linux-pci@atrey.karlin.mff.cuni.cz, linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , > 2) What's wrong with taking deltas? Typical through-put performance > measurement is done by pre-loading the pipes (i.e. running for > a few minutes wihtout measuring, then starting the measurement). > I'd think that snapshotting the numbers would be easier, and is > trivially doable in user-space. I guess I don't understand why > you need a new kernel featre to imlement this. ftp://ftp.cup.hp.com/dist/networking/tools/beforeafter.tar.gz Not my code, I've used it with success against ethtool -S output. rick jones