From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-vx0-f171.google.com (mail-vx0-f171.google.com [209.85.220.171]) by lists.bufferbloat.net (Postfix) with ESMTP id 3B1282E020A for ; Thu, 21 Apr 2011 17:58:48 -0700 (PDT) Received: by vxc40 with SMTP id 40so333566vxc.16 for ; Thu, 21 Apr 2011 17:58:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:sender:message-id:date:from:organization :user-agent:mime-version:to:subject:content-type :content-transfer-encoding; bh=AFIF9rCWIcsn0q2tHZg1vnP6iYeEmSfYmABZL6zd2mQ=; b=AVfTHIJBlWu2df5BgzI73UNxQu8GC2lNpE6XPTKUvLQzyVOLaGkwqPAnPRxLersDZZ yKv90I+YXO9muMTHaa7dbmF/cMcwLfKVkV1MrIcUEqguEqG3iyAitGIGjdLUJt6X1us4 PlwyITW3DPVxpjMnry7mZj6+D1hJRUkAcnijs= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=sender:message-id:date:from:organization:user-agent:mime-version:to :subject:content-type:content-transfer-encoding; b=aYpYggM16x4sq21tWhSr13QaplmVkZlBhlz2uzJEvMdYey2IAFDCaexOFqPFWuFr+m sh4snIkSG+BSx3IGWpM5UGkRyZp4cyERh8aS4gGSxOowtHGu8nLCNZmFcv9yU9PsKM1l Y57Sa4w88S/jo2cfLJo9VgD/4/LsfmdfrD9yc= Received: by 10.52.97.101 with SMTP id dz5mr4090146vdb.18.1303345377665; Wed, 20 Apr 2011 17:22:57 -0700 (PDT) Received: from [192.168.1.119] (c-98-229-99-32.hsd1.ma.comcast.net [98.229.99.32]) by mx.google.com with ESMTPS id e37sm707757vbm.5.2011.04.20.17.22.56 (version=SSLv3 cipher=OTHER); Wed, 20 Apr 2011 17:22:56 -0700 (PDT) Sender: Jim Gettys Message-ID: <4DAF78DF.2010203@freedesktop.org> Date: Wed, 20 Apr 2011 20:22:55 -0400 From: Jim Gettys Organization: Bell Labs User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.14) Gecko/20110223 Lightning/1.0b2 Thunderbird/3.1.8 MIME-Version: 1.0 To: bloat-devel@lists.bufferbloat.net Subject: Debloat testing2.6.39-rc4 kernel... Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: bloat-devel@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: "Developers working on AQM, device drivers, and networking stacks" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 22 Apr 2011 00:58:49 -0000 I've built (and am running) John Linville's latest debloat-testing 2.6.39-rc4 kernel. It seems to behave alot better than the 2.6.38 kernel did for me on the Intel iwlagn driver, given (all of) about 10 minutes of testing. We haven't tried to play with SFB yet; we've mostly been router hacking. I put the packages Dave and I are running (64bit Ubuntu 10.10) on http://mirrors.bufferbloat.net/Builds/ I also did a quick script for setting the wireless txqueuelen to something more reasonable at driver up time; you can find it at: http://www.bufferbloat.net/projects/bloat/wiki/Wlan_script; at the moment, it's set to only 32 packets and my latency under load is staying somewhat reasonable with at least some decent throughput. But given 10 minutes of smoke testing... Dead puppies are possible. No warranties, express or implied... I documented this in: http://www.bufferbloat.net/projects/bloat/wiki/Linux_Tips If people have the ability to set up and Ubuntu PPA, or can run packages through RH's build system (Koji, iirc), that would be good, so that people who want to test don't necessarily have to build from source all the time. It would be really good to get debloat testing kernel packages built automatically on an ongoing basis from John's tree,one way or the other. The other way to automate this is by using the server we have now that can build kernels in finite time; we can set up VM's on to build them. But that is a lot more on-going build system maintenance So I'm a fan of using the upstream distro build systems for this if we can; we have lots of build work to do for the work that is underway to debloat the WNDR3700's running OpenWRT. Volunteers more than welcome for either/both. - Jim