From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756294Ab2CBGib (ORCPT ); Fri, 2 Mar 2012 01:38:31 -0500 Received: from mga09.intel.com ([134.134.136.24]:12683 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754076Ab2CBGia (ORCPT ); Fri, 2 Mar 2012 01:38:30 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.67,352,1309762800"; d="scan'208";a="113736311" Subject: Re: TCP_STREAM performance regression on commit b3613118 From: Alex Shi To: David Miller Cc: feng.tang@intel.com, eric.dumazet@gmail.com, linux-kernel@vger.kernel.org, tim.c.chen@intel.com, ying.huang@intel.com, netdev@vger.kernel.org In-Reply-To: <20120301.220743.2174015405223036036.davem@davemloft.net> References: <1329472239.2861.3.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> <20120217.133327.1178765872497293871.davem@davemloft.net> <1330656317.21053.1411.camel@debian> <20120301.220743.2174015405223036036.davem@davemloft.net> Content-Type: text/plain; charset="UTF-8" Date: Fri, 02 Mar 2012 14:37:57 +0800 Message-ID: <1330670277.21053.1448.camel@debian> Mime-Version: 1.0 X-Mailer: Evolution 2.28.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2012-03-01 at 22:07 -0500, David Miller wrote: > From: Alex Shi > Date: Fri, 02 Mar 2012 10:45:17 +0800 > > > Add CC to tang feng, He is working on this issue. > > Is he? I'm pretty sure this is due to the TCP receive window growing > issue Eric Dumazet, Neal Cardwell and I are discussing in the thread > starting at: > > http://marc.info/?l=linux-netdev&m=132916352815286&w=2 That's great! May my language make you confusing. Actually, Feng is doing investigation on this issue. Since you fund out the reason, it saved his work. :)