From owner-freebsd-current@FreeBSD.ORG Sun Oct 1 13:13:40 2006 Return-Path: X-Original-To: freebsd-current@freebsd.org Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 0600116A412; Sun, 1 Oct 2006 13:13:40 +0000 (UTC) (envelope-from rrs@cisco.com) Received: from sj-iport-1.cisco.com (sj-iport-1-in.cisco.com [171.71.176.70]) by mx1.FreeBSD.org (Postfix) with ESMTP id 4045843D6E; Sun, 1 Oct 2006 13:13:30 +0000 (GMT) (envelope-from rrs@cisco.com) Received: from sj-dkim-4.cisco.com ([171.71.179.196]) by sj-iport-1.cisco.com with ESMTP; 01 Oct 2006 06:13:30 -0700 Received: from sj-core-1.cisco.com (sj-core-1.cisco.com [171.71.177.237]) by sj-dkim-4.cisco.com (8.12.11.20060308/8.12.11) with ESMTP id k91DDUvl016355; Sun, 1 Oct 2006 06:13:30 -0700 Received: from xbh-sjc-211.amer.cisco.com (xbh-sjc-211.cisco.com [171.70.151.144]) by sj-core-1.cisco.com (8.12.10/8.12.6) with ESMTP id k91DDTQV006805; Sun, 1 Oct 2006 06:13:29 -0700 (PDT) Received: from xfe-sjc-211.amer.cisco.com ([171.70.151.174]) by xbh-sjc-211.amer.cisco.com with Microsoft SMTPSVC(6.0.3790.1830); Sun, 1 Oct 2006 06:13:28 -0700 Received: from [127.0.0.1] ([171.68.225.134]) by xfe-sjc-211.amer.cisco.com with Microsoft SMTPSVC(6.0.3790.1830); Sun, 1 Oct 2006 06:13:28 -0700 Message-ID: <451FBED7.50701@cisco.com> Date: Sun, 01 Oct 2006 09:12:55 -0400 From: Randall Stewart User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.12) Gecko/20050920 X-Accept-Language: en-us, en MIME-Version: 1.0 To: pyunyh@gmail.com References: <451D5801.8030504@cisco.com> <20060930085506.GA32513@cdnetworks.co.kr> In-Reply-To: <20060930085506.GA32513@cdnetworks.co.kr> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 01 Oct 2006 13:13:28.0716 (UTC) FILETIME=[62B08CC0:01C6E55B] DKIM-Signature: a=rsa-sha1; q=dns; l=1824; t=1159708410; x=1160572410; c=relaxed/simple; s=sjdkim4002; h=Content-Type:From:Subject:Content-Transfer-Encoding:MIME-Version; d=cisco.com; i=rrs@cisco.com; z=From:Randall=20Stewart=20 |Subject:Re=3A=20Some=20interesting=20plots; X=v=3Dcisco.com=3B=20h=3DoYssKf/8Gf1y2Bt8H+IL8Am5Wf4=3D; b=QqDUG+08NL6mULliyvShPiPWD66x4ifaEb36ENCZEXXgJ7XfAe5mSgJ8o+d4wu6v7KgwLHaz /TT0GeKdkazJtbEyb4HZZY0H8U5d6NPsQq/zWM1YbPREHvCh3HnWcrgn; Authentication-Results: sj-dkim-4.cisco.com; header.From=rrs@cisco.com; dkim=pass ( sig from cisco.com verified; ); Cc: Peter Lei , Michael Tuexen , Robert Watson , "George V. Neville-Neil" , freebsd-current@freebsd.org Subject: Re: Some interesting plots X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 01 Oct 2006 13:13:40 -0000 Pyun: Nope, the test is between em1 <----> em0 The only way the msk0 would be used is in the event of loss..via a t3 timeout... and there are no timeouts that happen in this plot. R Pyun YongHyeon wrote: > On Fri, Sep 29, 2006 at 01:29:37PM -0400, Randall Stewart wrote: > > All: > > > > As you all may know I have been working on getting SCTP > > into Current.. > > > > I have been, of late, trying to tweak things to get > > the BEST performance out of the implementation... > > > > I have moved my testing off between two 7.0 machines.. same > > code base on each updated Sep 25. > > > > One is a 2.8Gig Dell SC1600 Xeon.. (hyper threaded CPU). > > The other is a P4D (2.8Gig .. slightly faster, true dual > > processor machine). > > > > They are connected by two intel EM server cards like so: > > > > > > +----+ +----+ > > 1 | em1 <---------------------> em0 | 2 > > | em0 <-----locallan--------> msk0| > > | dc0 <-Direct Inet | > > +----+ +-----+ > > > > > > em1 has 10.1.2.12 em0 10.1.2.21 > > em0 has 10.1.1.12 msk0 10.1.1.21 > > > > [...] > > > One other note, I see TCP is only getting 250Meg or so on the > > same test (It can run either).. now it used to get close to > > the full pipe (Gigbit).. so is there some issue with the new code > > that was recently submitted? > > > > I'm not sure but it seems that you've used experimental msk(4) on > CURRENT. ATM msk(4) has Rx performance issue. So if you get very > poor receive performance it would be msk(4) issue. > -- Randall Stewart NSSTG - Cisco Systems Inc. 803-345-0369 815-342-5222 (cell)