From owner-freebsd-net@FreeBSD.ORG Thu Apr 28 14:30:59 2011 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 AD42B1065670 for ; Thu, 28 Apr 2011 14:30:59 +0000 (UTC) (envelope-from mike@sentex.net) Received: from smarthost1.sentex.ca (smarthost1-6.sentex.ca [IPv6:2607:f3e0:0:1::12]) by mx1.freebsd.org (Postfix) with ESMTP id 691A38FC19 for ; Thu, 28 Apr 2011 14:30:59 +0000 (UTC) Received: from [IPv6:2607:f3e0:0:4:f025:8813:7603:7e4a] (saphire3.sentex.ca [IPv6:2607:f3e0:0:4:f025:8813:7603:7e4a]) by smarthost1.sentex.ca (8.14.4/8.14.4) with ESMTP id p3SEUu9H070523 (version=TLSv1/SSLv3 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO); Thu, 28 Apr 2011 10:30:56 -0400 (EDT) (envelope-from mike@sentex.net) Message-ID: <4DB97A07.2020606@sentex.net> Date: Thu, 28 Apr 2011 10:30:31 -0400 From: Mike Tancsa Organization: Sentex Communications User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.2.13) Gecko/20101207 Thunderbird/3.1.7 MIME-Version: 1.0 To: Adam Stylinski References: <20110428072946.GA11391@zephyr.adamsnet> <4DB965D8.7090906@sentex.net> <20110428132922.GC2800@ossumpossum.geop.uc.edu> <4DB96DDD.4070801@sentex.net> <20110428141500.GE2800@ossumpossum.geop.uc.edu> In-Reply-To: <20110428141500.GE2800@ossumpossum.geop.uc.edu> X-Enigmail-Version: 1.1.1 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.67 on IPv6:2607:f3e0:0:1::12 Cc: freebsd-net@freebsd.org Subject: Re: em0 performance subpar 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: Thu, 28 Apr 2011 14:30:59 -0000 On 4/28/2011 10:15 AM, Adam Stylinski wrote: > > em0: port 0xe800-0xe83f mem 0xfe9e0000-0xfe9fffff,0xfe9c0000-0xfe9dffff irq 20 at device 5.0 on pci7 > em0: [FILTER] I am not sure the newer driver will help performance wise. It might fix that bug you saw at least. Jack from intel might be able to shed some light on it. In the mean time, try generating traffic via netblast. Another tool I find helpful in narrowing down tcp performance differences is netperf ---Mike -- ------------------- Mike Tancsa, tel +1 519 651 3400 Sentex Communications, mike@sentex.net Providing Internet services since 1994 www.sentex.net Cambridge, Ontario Canada http://www.tancsa.com/