From owner-freebsd-net@FreeBSD.ORG Sun Jun 29 15:40:00 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 A95821065670 for ; Sun, 29 Jun 2008 15:40:00 +0000 (UTC) (envelope-from mike@sentex.net) Received: from smarthost1.sentex.ca (smarthost1.sentex.ca [64.7.153.18]) by mx1.freebsd.org (Postfix) with ESMTP id 726ED8FC1A for ; Sun, 29 Jun 2008 15:40:00 +0000 (UTC) (envelope-from mike@sentex.net) Received: from lava.sentex.ca (pyroxene.sentex.ca [199.212.134.18]) by smarthost1.sentex.ca (8.14.2/8.14.2) with ESMTP id m5TFdwUW033747; Sun, 29 Jun 2008 11:39:58 -0400 (EDT) (envelope-from mike@sentex.net) Received: from mdt-xp.sentex.net (simeon.sentex.ca [192.168.43.27]) by lava.sentex.ca (8.13.8/8.13.3) with ESMTP id m5TFdvCO075285 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Sun, 29 Jun 2008 11:39:57 -0400 (EDT) (envelope-from mike@sentex.net) Message-Id: <200806291539.m5TFdvCO075285@lava.sentex.ca> X-Mailer: QUALCOMM Windows Eudora Version 7.1.0.9 Date: Sun, 29 Jun 2008 11:40:03 -0400 To: Paul , FreeBSD Net From: Mike Tancsa In-Reply-To: <4867420D.7090406@gtcomm.net> References: <4867420D.7090406@gtcomm.net> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed X-Scanned-By: MIMEDefang 2.64 on 64.7.153.18 Cc: Subject: Re: Freebsd IP Forwarding performance (question, and some info) [7-stable, current, em, smp] 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: Sun, 29 Jun 2008 15:40:00 -0000 At 04:04 AM 6/29/2008, Paul wrote: >This is just a question but who can get more than 400k pps >forwarding performance ? >I have tested fbsd 6/7/8 so far with many different configs. (all >using intel pci-ex nic and SMP) >fbsd 7-stable/8(current) seem to be the fastest and always hit this >ceiling of 400k pps. Soon as it hits that I get errors galore. In your testing of current, or even RELENG_7, did you ever solve the problem of http://www.freebsd.org/cgi/query-pr.cgi?pr=123621&cat=kern that you also ran into in a previous thread ? I wonder if the generation of all those seemingly bogus RTM_MISS messages is hampering performance. ---Mike