From owner-cvs-src@FreeBSD.ORG Sat Aug 23 04:01:09 2008 Return-Path: Delivered-To: cvs-src@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D64131065671; Sat, 23 Aug 2008 04:01:09 +0000 (UTC) (envelope-from sam@freebsd.org) Received: from ebb.errno.com (ebb.errno.com [69.12.149.25]) by mx1.freebsd.org (Postfix) with ESMTP id A84688FC13; Sat, 23 Aug 2008 04:01:09 +0000 (UTC) (envelope-from sam@freebsd.org) Received: from trouble.errno.com (trouble.errno.com [10.0.0.248]) (authenticated bits=0) by ebb.errno.com (8.13.6/8.12.6) with ESMTP id m7N4166r000336 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Fri, 22 Aug 2008 21:01:07 -0700 (PDT) (envelope-from sam@freebsd.org) Message-ID: <48AF8B82.8050509@freebsd.org> Date: Fri, 22 Aug 2008 21:01:06 -0700 From: Sam Leffler Organization: FreeBSD Project User-Agent: Thunderbird 2.0.0.9 (X11/20071125) MIME-Version: 1.0 To: pyunyh@gmail.com References: <200808220647.m7M6lAeL097786@repoman.freebsd.org> <48AEE7B5.7090700@freebsd.org> <20080823023539.GD9758@cdnetworks.co.kr> In-Reply-To: <20080823023539.GD9758@cdnetworks.co.kr> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-DCC--Metrics: ebb.errno.com; whitelist Cc: cvs-src@freebsd.org, src-committers@freebsd.org, cvs-all@freebsd.org Subject: Re: cvs commit: src/sys/dev/bfe if_bfe.c if_bfereg.h X-BeenThere: cvs-src@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: CVS commit messages for the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 23 Aug 2008 04:01:09 -0000 Pyun YongHyeon wrote: > On Fri, Aug 22, 2008 at 09:22:13AM -0700, Sam Leffler wrote: > > Pyun YongHyeon wrote: > > >yongari 2008-08-22 06:46:55 UTC > > > > > > FreeBSD src repository > > > > > > Modified files: > > > sys/dev/bfe if_bfe.c if_bfereg.h > > > Log: > > > SVN rev 181994 on 2008-08-22 06:46:55Z by yongari > > > > > > Add a new sysctl node 'dev.bfe.N.stats' that shows various MAC > > > counters for Rx/Tx statistics. Various counters in ifnet is also > > > updated with these hardware counters. > > > > > > > > Can we not add stuff like that spews output to the console? I much > > prefer to see a tool that dumps the stats and if you need to get to them > > w/o the tool then consider adding a ddb cmd. We're just about to get > > the ability to add ddb cmds in loadable modules which was the only > > reason not to leverage ddb for stuff like this. > > > > That would be one of possible approach. Thanks for the pointer. > > John Baldwin corrected my mis-thinking. I was thinking we could use a ddb command to send output to a terminal but it'll only go to a console. Another possible approach is to use dtrace but that's probably less-likely to be configured into a kernel so I'm not sure which way is best. Ideally we'd have a framework for drivers to report statistics through a standard interface like netstat but that's not there (yet). Sam