From owner-freebsd-net@FreeBSD.ORG Fri Nov 14 13:14:14 2008 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 2B4C4106567D for ; Fri, 14 Nov 2008 13:14:14 +0000 (UTC) (envelope-from won.derick@yahoo.com) Received: from n59.bullet.mail.sp1.yahoo.com (n59.bullet.mail.sp1.yahoo.com [98.136.44.43]) by mx1.freebsd.org (Postfix) with SMTP id 1144D8FC18 for ; Fri, 14 Nov 2008 13:14:13 +0000 (UTC) (envelope-from won.derick@yahoo.com) Received: from [69.147.65.171] by n59.bullet.mail.sp1.yahoo.com with NNFMP; 14 Nov 2008 13:14:13 -0000 Received: from [69.147.84.34] by t13.bullet.mail.sp1.yahoo.com with NNFMP; 14 Nov 2008 13:14:13 -0000 Received: from [127.0.0.1] by omp210.mail.sp1.yahoo.com with NNFMP; 14 Nov 2008 13:14:13 -0000 X-Yahoo-Newman-Property: ymail-3 X-Yahoo-Newman-Id: 843272.49549.bm@omp210.mail.sp1.yahoo.com Received: (qmail 7387 invoked by uid 60001); 14 Nov 2008 13:14:13 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=X-YMail-OSG:Received:X-Mailer:References:Date:From:Subject:To:Cc:MIME-Version:Content-Type:Content-Transfer-Encoding:Message-ID; b=bFhWQ2GM3juB3+Jus3z0xAjeneHicjhzNi9YY5Mx5oRdGqepMTudFkB5c3mGhCjw/1dwlmb7rTnABcZK76gZx3Oh+znAJjBtRqKQR5VqpbWOIp3s13w5Xx8ofdoSYodoMyuGQyU74CfwvPpmvSZCLqGBJhiMROuEhFZQ15UUcUM=; X-YMail-OSG: ONhFMVkVM1naSNJhlt2e6USwxXd.S8GC0Ju.F6gok7TloSoqrUYZe.6_MS6Gi9.wSKg2IAteFYjIcK1N1veTPYutw8n44gz1IrWHmPTbPjJM.hR9Bl7CisKPmwrYMlGSrTDfnDI2Wr1bmY9kBIz8cwjQGoM- Received: from [58.71.34.137] by web45801.mail.sp1.yahoo.com via HTTP; Fri, 14 Nov 2008 05:14:13 PST X-Mailer: YahooMailRC/1155.20 YahooMailWebService/0.7.260.1 References: <305614.76266.qm@web45809.mail.sp1.yahoo.com> <555333.76711.qm@web45806.mail.sp1.yahoo.com> Date: Fri, 14 Nov 2008 05:14:13 -0800 (PST) From: Won De Erick To: Ivan Voras , freebsd-hardware@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Message-ID: <674901.2796.qm@web45801.mail.sp1.yahoo.com> X-Mailman-Approved-At: Fri, 14 Nov 2008 14:10:36 +0000 Cc: freebsd-net@freebsd.org Subject: Re: IRQ31 and IRQ32 on HPDL585 running FreeBSD 7.0 are consuming HIGH CPU usage X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 14 Nov 2008 13:14:14 -0000 > From: Ivan Voras =0A=0A> To: freebsd-hardware@freebsd= ..org=0A> Cc: freebsd-net@freebsd.org=0A> Sent: Friday, November 14, 2008 8:= 55:13 PM=0A> Subject: Re: IRQ31 and IRQ32 on HPDL585 running FreeBSD 7.0 ar= e consuming HIGH CPU usage=0A> =0A> Won De Erick wrote:=0A> =0A> > 170= 02 1634 25720672 16423 0 1143508 0 0=0A> > 1694= 3 1643 25629892 16642 0 1160858 0 0=0A> > 16995= 1644 25708823 16539 0 1153782 0 0=0A> > 17026 = 1643 25758462 16606 0 1153342 0 0=0A> =0A> What do y= ou use for generating the traffic?=0A> =0A=0AI used w-get in bombarding tcp= traffic w/ thousand of sessions.=0A=0A> > However, network throughput didn= 't change in the two scenarios above.=0A> > Is there anything that I can te= st to improve my network throughput.=0A> =0A> I'm not sure but you could ma= ybe try disabling all but one of your CPUs=0A> and see if anything changes.= It looks like you have at least 16 CPUs. On=0A> my machine, with 8 CPUs (2= xquad core) I get roughly 150,000 PPS before I=0A> hit a similar single-CPU= -bound network processing bottleneck (also with=0A> Intel=AE PRO/1000 PT/Se= rver) - which is too low for my needs so I'm=0A> searching for a solution. = In my case I don't see transmission errors.=0A=0Awill try this.=0A=0A=0A=0A=