From owner-freebsd-current@FreeBSD.ORG Thu May 6 11:45:20 2010 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 84E2E1065677 for ; Thu, 6 May 2010 11:45:20 +0000 (UTC) (envelope-from jeremie@le-hen.org) Received: from smtp5-g21.free.fr (smtp5-g21.free.fr [212.27.42.5]) by mx1.freebsd.org (Postfix) with ESMTP id 00C598FC0A for ; Thu, 6 May 2010 11:45:17 +0000 (UTC) Received: from smtp5-g21.free.fr (localhost [127.0.0.1]) by smtp5-g21.free.fr (Postfix) with ESMTP id 19454D48103; Thu, 6 May 2010 13:45:13 +0200 (CEST) Received: from endor.tataz.chchile.org (tataz.chchile.org [82.233.239.98]) by smtp5-g21.free.fr (Postfix) with ESMTP; Thu, 6 May 2010 13:45:12 +0200 (CEST) Received: from felucia.tataz.chchile.org (felucia.tataz.chchile.org [192.168.1.9]) by endor.tataz.chchile.org (Postfix) with ESMTP id 4561033D78; Thu, 6 May 2010 11:45:12 +0000 (UTC) Received: by felucia.tataz.chchile.org (Postfix, from userid 1000) id 396ECA1874; Thu, 6 May 2010 11:45:12 +0000 (UTC) Date: Thu, 6 May 2010 13:45:12 +0200 From: Jeremie Le Hen To: David Ehrmann Message-ID: <20100506114512.GH56740@felucia.tataz.chchile.org> References: <4BCD5049.8030408@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.20 (2009-06-14) Cc: Attilio Rao , freebsd-current@freebsd.org Subject: Re: Strange disk problem X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 06 May 2010 11:45:20 -0000 Hi David, On Tue, Apr 20, 2010 at 08:58:49AM -0700, David Ehrmann wrote: > On Tue, Apr 20, 2010 at 5:29 AM, Attilio Rao wrote: > > > > > > David, > > do you think you are willing to re-create the problem and do a PMC > > analysis on it? > > (If you need any guidance let me know, I will be happy to give it). > > > > > Maybe, but I don't know what PMC analysis is, so a lot of guidance might be > required. Quick howto from Robert Watson: http://lists.freebsd.org/pipermail/freebsd-current/2006-February/061096.html Other interesting links: http://people.freebsd.org/~jkoshy/projects/perf-measurement/ http://people.freebsd.org/~jkoshy/download/acm-apr-09.pdf Regards, -- Jeremie Le Hen Humans are born free and equal. But some are more equal than others. Coluche