From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from moutng.kundenserver.de (moutng.kundenserver.de [212.227.126.186]) by ozlabs.org (Postfix) with ESMTP id 3AE24DDE1D for ; Tue, 13 Nov 2007 22:32:05 +1100 (EST) Message-ID: <47398B44.2070902@anagramm.de> Date: Tue, 13 Nov 2007 12:32:20 +0100 From: Clemens Koller MIME-Version: 1.0 To: huangyun@coship.com Subject: Re: how to improve linux tcp/ip(UDP) efficiency on mpc8541 833Mhz. References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Cc: linuxppc-embedded@ozlabs.org List-Id: Linux on Embedded PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , huangyun@coship.com schrieb: > hi,everbody: > I have run linux-2.6.15 on my mpc8541 custom board. but when i test > TSEC use UDP, i found it's efficinecy is lower. > my test enviroment: i only run a UDP recieve program and not to handle data > recieved. when i recevie 400Mbps data, 79% of MPC8541 have be consumed. > so i think tcp/ip protocal have consume my mpc8541 resource. i dont know > how to improve tcp/ip code or TSEC driver(gianfar.c). > can somebody help me ? Hmm... you should first try one of the current kernels and check the performance there. For further details about linux networking, I recommend you to contact the guys at the netdev list, giving lots of details how you do your benchmarking and how your workload looks like. Regards, Clemens Koller __________________________________ R&D Imaging Devices Anagramm GmbH Rupert-Mayer-Straße 45/1 Linhof Werksgelände D-81379 München Tel.089-741518-50 Fax 089-741518-19 http://www.anagramm-technology.com