From owner-freebsd-hackers@FreeBSD.ORG Tue Jun 2 03:14:27 2009 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 75504106564A for ; Tue, 2 Jun 2009 03:14:27 +0000 (UTC) (envelope-from jchambers@ucla.edu) Received: from out-56.smtp.ucla.edu (smtp-11.smtp.ucla.edu [IPv6:2607:f010:3fe:102:101c:23ff:febf:cfa7]) by mx1.freebsd.org (Postfix) with ESMTP id 5837E8FC13 for ; Tue, 2 Jun 2009 03:14:27 +0000 (UTC) (envelope-from jchambers@ucla.edu) Received: from mail.ucla.edu (mail.ucla.edu [169.232.48.151]) by smtp-11.smtp.ucla.edu (8.14.3/8.14.3) with ESMTP id n523EFJC010540 for ; Mon, 1 Jun 2009 20:14:15 -0700 Received: from computer-2.local ([149.142.36.207]) (authenticated bits=0) by mail.ucla.edu (8.14.3/8.14.3) with ESMTP id n523EEPY019444 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT) for ; Mon, 1 Jun 2009 20:14:15 -0700 Message-ID: <4A249906.8050802@ucla.edu> Date: Mon, 01 Jun 2009 20:14:14 -0700 From: Jason Chambers Organization: UCLA User-Agent: Thunderbird 2.0.0.21 (Macintosh/20090302) MIME-Version: 1.0 To: freebsd-hackers@freebsd.org X-Enigmail-Version: 0.95.7 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Probable-Spam: no X-Scanned-By: smtp.ucla.edu on 169.232.46.244 Subject: Monitoring throughput of PCIe lanes X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 02 Jun 2009 03:14:27 -0000 Hello all, I'm wondering if there is currently a way to monitor the throughput of a PCIe lane or group of lanes associated with a device ? I've done a little exploring of the source and man pages but have yet to find anything that seems to relate in an obvious form. I wonder if netgraph could somehow be used for this ? Thanks, --Jason