From owner-freebsd-stable@FreeBSD.ORG Wed Sep 29 03:46:02 2010 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 4C8621065674 for ; Wed, 29 Sep 2010 03:46:02 +0000 (UTC) (envelope-from jurgen@ish.com.au) Received: from fish.ish.com.au (eth5921.nsw.adsl.internode.on.net [59.167.240.32]) by mx1.freebsd.org (Postfix) with ESMTP id D1B778FC15 for ; Wed, 29 Sep 2010 03:46:00 +0000 (UTC) Received: from ip-211.ish.com.au ([203.29.62.211]:56286 helo=ish.com.au) by fish.ish.com.au with esmtp (Exim 4.69) (envelope-from ) id 1P0ncD-0007qd-0n; Wed, 29 Sep 2010 13:45:57 +1000 Received: from [203.29.62.154] (HELO ip-154.ish.com.au) by ish.com.au (CommuniGate Pro SMTP 5.3.8) with ESMTP id 6224795; Wed, 29 Sep 2010 13:45:56 +1000 Message-ID: <4CA2B674.7050000@ish.com.au> Date: Wed, 29 Sep 2010 13:45:56 +1000 From: Jurgen Weber User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-GB; rv:1.9.2.9) Gecko/20100915 Thunderbird/3.1.4 MIME-Version: 1.0 To: Jeremy Chadwick References: <4CA19F27.6050903@ish.com.au> <20100928093051.GA59282@icarus.home.lan> In-Reply-To: <20100928093051.GA59282@icarus.home.lan> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-stable@freebsd.org Subject: Re: cpu timer issues X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 29 Sep 2010 03:46:02 -0000 Jeremy Thanks for having a look. Nothing in loader.conf # cat /etc/sysctl.conf # Do not send RSTs for packets to closed ports net.inet.tcp.blackhole=2 # Do not send ICMP port unreach messages for closed ports net.inet.udp.blackhole=1 # Generate random IP_ID's net.inet.ip.random_id=1 # Breaks RFC1379, but nobody uses it anyway net.inet.tcp.drop_synfin=1 net.inet.ip.redirect=1 net.inet.tcp.syncookies=1 net.inet.tcp.recvspace=65228 net.inet.tcp.sendspace=65228 # fastforwarding - see http://lists.freebsd.org/pipermail/freebsd-net/2004-January/002534.html net.inet.ip.fastforwarding=1 net.inet.tcp.delayed_ack=0 net.inet.udp.maxdgram=57344 kern.rndtest.verbose=0 net.link.bridge.pfil_onlyip=0 net.link.tap.user_open=1 # The system will attempt to calculate the bandwidth delay product for each connection and limit the amount of data queued to the network to just the amount required to maintain optimum throughput. net.inet.tcp.inflight.enable=1 net.inet.ip.portrange.first=1024 net.inet.ip.intr_queue_maxlen=1000 net.link.bridge.pfil_bridge=0 # Disable TCP extended debugging net.inet.tcp.log_debug=0 # Set a reasonable ICMPLimit net.inet.icmp.icmplim=500 # TSO causes problems with em(4) and reply-to, and isn't of much benefit in a firewall, disable. net.inet.tcp.tso=0 # kenv | grep smbios smbios.bios.reldate="12/19/2008" smbios.bios.vendor="Phoenix Technologies LTD" smbios.bios.version="1.2a " smbios.chassis.maker="Supermicro" smbios.chassis.serial="0123456789" smbios.chassis.tag=" " smbios.chassis.version="0123456789" smbios.planar.maker="Supermicro" smbios.planar.product="X7SBi-LN4" smbios.planar.serial="0123456789" smbios.planar.version="PCB Version" smbios.socket.enabled="1" smbios.socket.populated="1" smbios.system.maker="Supermicro" smbios.system.product="X7SBi-LN4" smbios.system.serial="0123456789" smbios.system.uuid="53d1a494-d663-a0e7-890b-8a0f00f08a0f" smbios.system.version="0123456789" # sysctl kern.timecounter kern.timecounter.tick: 1 kern.timecounter.choice: TSC(-100) i8254(0) dummy(-1000000) kern.timecounter.hardware: i8254 kern.timecounter.stepwarnings: 0 kern.timecounter.tc.i8254.mask: 65535 kern.timecounter.tc.i8254.counter: 27546 kern.timecounter.tc.i8254.frequency: 1193182 kern.timecounter.tc.i8254.quality: 0 kern.timecounter.tc.TSC.mask: 4294967295 kern.timecounter.tc.TSC.counter: 1322201372 kern.timecounter.tc.TSC.frequency: 2926018304 kern.timecounter.tc.TSC.quality: -100 kern.timecounter.smp_tsc: 0 kern.timecounter.invariant_tsc: 0 Thanks Jurgen On 28/09/10 7:30 PM, Jeremy Chadwick wrote: > Can you provide any tuning you do in loader.conf or sysctl.conf, as well > as your kernel configuration? --------------------------> ish http://www.ish.com.au Level 1, 30 Wilson Street Newtown 2042 Australia phone +61 2 9550 5001 fax +61 2 9550 4001