From owner-svn-src-all@FreeBSD.ORG Wed Apr 8 14:43:02 2009 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 9A5F6106566B; Wed, 8 Apr 2009 14:43:02 +0000 (UTC) (envelope-from rwatson@FreeBSD.org) Received: from cyrus.watson.org (cyrus.watson.org [65.122.17.42]) by mx1.freebsd.org (Postfix) with ESMTP id 717208FC21; Wed, 8 Apr 2009 14:43:02 +0000 (UTC) (envelope-from rwatson@FreeBSD.org) Received: from fledge.watson.org (fledge.watson.org [65.122.17.41]) by cyrus.watson.org (Postfix) with ESMTPS id 2896A46B38; Wed, 8 Apr 2009 10:43:02 -0400 (EDT) Date: Wed, 8 Apr 2009 15:43:02 +0100 (BST) From: Robert Watson X-X-Sender: robert@fledge.watson.org To: Attilio Rao In-Reply-To: Message-ID: References: <200904080430.n384UGWw043589@svn.freebsd.org> <3bbf2fe10904080724i381c36fdpb1699def955fdb6d@mail.gmail.com> User-Agent: Alpine 2.00 (BSF 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: svn-src-stable@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org, svn-src-stable-7@freebsd.org, Stephen McKay Subject: Re: svn commit: r190837 - in stable/7/sys: . contrib/pf dev/ath/ath_hal dev/cxgb kern X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 08 Apr 2009 14:43:04 -0000 On Wed, 8 Apr 2009, Robert Watson wrote: > While the probes I've added could be used to do this very easily, that's not > the thrust of the work I'm currently doing. A useful starting point for > someone interested in this problem would be a dtrace script like the > following: > > vfs:namecache:enter:done Also useful: the same script, but using "vfs:namecache:lookup:hit". Robert N M Watson Computer Laboratory University of Cambridge