From owner-freebsd-current@FreeBSD.ORG Fri Jul 20 19:03:51 2007 Return-Path: Delivered-To: current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id EC25216A417 for ; Fri, 20 Jul 2007 19:03:51 +0000 (UTC) (envelope-from jfvogel@gmail.com) Received: from wa-out-1112.google.com (wa-out-1112.google.com [209.85.146.178]) by mx1.freebsd.org (Postfix) with ESMTP id BED4013C46C for ; Fri, 20 Jul 2007 19:03:51 +0000 (UTC) (envelope-from jfvogel@gmail.com) Received: by wa-out-1112.google.com with SMTP id j37so1156532waf for ; Fri, 20 Jul 2007 12:03:51 -0700 (PDT) DKIM-Signature: a=rsa-sha1; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=NPBJUgSevVvwBpF+61lg+LWxywVLU+H144gYKFt0JI0dP24ZiM50QURKIHUKqWbcjkRT6lnyL1yOwgRand2s/2rOJ0tGp1AFKHf1OlaUbffPgjN3qTYU6NFazhS5zGblnt4DBDUTDr5BYec6upz4AbopVtd5xwDOIZdjYo1E4pw= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=uKm/Ja0W5PifLwBOb8ERkjZuvw6PDVQmEEp/ujc5SLGWG8kXqgbHNvPqSl9lSPiJNrYjd7yFpyLC8w1ARAxh0xmpATmpBVA1ivyjcCKwRb932wI6BGAQbcx8U28TyPCKuRUEadbmEEwP9/PP/20frc7QFE0H/kwf10nJClcR/8Y= Received: by 10.114.204.7 with SMTP id b7mr733086wag.1184958231513; Fri, 20 Jul 2007 12:03:51 -0700 (PDT) Received: by 10.114.103.14 with HTTP; Fri, 20 Jul 2007 12:03:51 -0700 (PDT) Message-ID: <2a41acea0707201203o28722443v8ab2bc9a8450bb92@mail.gmail.com> Date: Fri, 20 Jul 2007 12:03:51 -0700 From: "Jack Vogel" To: "=?ISO-8859-1?Q?St=E5le_Kristoffersen?=" In-Reply-To: <20070720184550.GA22877@eschew.pusen.org> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: quoted-printable Content-Disposition: inline References: <20070716190441.GA19282@eschew.pusen.org> <20070716213425.GB19282@eschew.pusen.org> <20070718041159.GC37935@cdnetworks.co.kr> <20070718044700.GE37935@cdnetworks.co.kr> <20070718124350.GA25799@eschew.pusen.org> <46A06D8D.1070604@unsane.co.uk> <20070720122443.GA29372@eschew.pusen.org> <2a41acea0707200810n21843c76s9b0f4f37ef92722f@mail.gmail.com> <20070720184550.GA22877@eschew.pusen.org> Cc: Vince , current@freebsd.org Subject: Re: Slow networkperformance in current? 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: Fri, 20 Jul 2007 19:03:52 -0000 On 7/20/07, St=E5le Kristoffersen wrote: > On 2007-07-20 at 08:10, Jack Vogel wrote: > > On 7/20/07, St=E5le Kristoffersen wrote: > > >On 2007-07-20 at 09:08, Vince wrote: > > >> Silly as it might seem when did you last recompile the iperf port? I= was > > >> about to post a me too post yesterday, until I updated my system to = use > > >> the latest sched_ule at which point iperf froze my system completely= , > > >> recompiling the port fixed the freeze and the <100Mbit/sec on localh= ost. > > >> I think it was compiled against the wrong threading library (been a > > >> while since i last recompiled it.) > > > > > >Actually I just spotted this myself, when I recompiled I got in the ra= nge > > >of 600Mbits/sec to localhost. However I do noot see the increase you s= ee > > >when running it multiple times. I still think 600Mbits/sec is a bit lo= w. > > > > > >If I run it to a remote host I see the same numbers (around 600Mbits/s= ec) > > > > I am actually quite impressed with the stack right now, with our new > > Oplin hardware and the ixgbe driver I have 9.8 Gb/s pumping thru > > it. Of course its all about adequate hardware, configuration, and > > tuning. > > Then it must be something I'm doing wrong. It's not that I'm running such= a > beast of a machine, but it should manage to fill a gigabitlink (and it di= d > a few months ago!). > > Can you point out any tuning I might have detuned? The stack being capable, as I said, of delivering the goods says nothing of the driver, what NIC is it? Did you ask if anyone else with that hardware is seeing a problem, I came into this thread somewhat late. Jack