From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: Re: TCP communication for raw image transmission Date: Tue, 03 Jan 2012 09:06:17 +0100 Message-ID: <1325577977.2549.12.camel@edumazet-laptop> References: <1325519943.2375.31.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> <1325521745.18116.5.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> <1325523137.18116.11.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> <1325523178.18116.12.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> <1325526085.18116.15.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: netdev@vger.kernel.org To: Jean-Michel Hautbois Return-path: Received: from mail-wi0-f174.google.com ([209.85.212.174]:37661 "EHLO mail-wi0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750985Ab2ACIGV (ORCPT ); Tue, 3 Jan 2012 03:06:21 -0500 Received: by wibhm6 with SMTP id hm6so8880241wib.19 for ; Tue, 03 Jan 2012 00:06:20 -0800 (PST) In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: Le mardi 03 janvier 2012 =C3=A0 08:36 +0100, Jean-Michel Hautbois a =C3= =A9crit : > After looking to the results, I can't see really bad values or > anything which would explain such a behaviour... no tcp problems, so your board seems to be slow > Maybe is there some limits in the driver ? My board is a leopardboard= (dm368). > Any idea ? Just to have any idea of the inter frame timings, could you post the ~200 first frames taken on x86 ? tcpdump -p -n -s 0 -i eth0 host arm_ip -c 200