From owner-freebsd-current@FreeBSD.ORG Mon May 3 17:06:49 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id CC45D16A4CE for ; Mon, 3 May 2004 17:06:49 -0700 (PDT) Received: from duke.cs.duke.edu (duke.cs.duke.edu [152.3.140.1]) by mx1.FreeBSD.org (Postfix) with ESMTP id 7D82643D31 for ; Mon, 3 May 2004 17:06:49 -0700 (PDT) (envelope-from gallatin@cs.duke.edu) Received: from grasshopper.cs.duke.edu (grasshopper.cs.duke.edu [152.3.145.30]) by duke.cs.duke.edu (8.12.10/8.12.10) with ESMTP id i4406mxZ011110 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Mon, 3 May 2004 20:06:48 -0400 (EDT) Received: (from gallatin@localhost) by grasshopper.cs.duke.edu (8.12.9p2/8.12.9/Submit) id i4406h2u097840; Mon, 3 May 2004 20:06:43 -0400 (EDT) (envelope-from gallatin) From: Andrew Gallatin MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <16534.56979.473606.42982@grasshopper.cs.duke.edu> Date: Mon, 3 May 2004 20:06:43 -0400 (EDT) To: freebsd-current@FreeBSD.ORG In-Reply-To: <16534.21617.310294.982202@grasshopper.cs.duke.edu> References: <200404301403.50634.past@noc.ntua.gr> <20040430123040.GB30157@melusine.cuivre.fr.eu.org> <20040430211948.GC85783@dragon.nuxi.com> <16534.21617.310294.982202@grasshopper.cs.duke.edu> X-Mailer: VM 6.75 under 21.1 (patch 12) "Channel Islands" XEmacs Lucid Subject: Re: partial dumps (was Re: Change default dumpdir to /usr/crash?) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 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: Tue, 04 May 2004 00:06:49 -0000 Andrew Gallatin writes: > accept and port to -current the Duke "partial dump" patches. These > patches allow the user to optionally dump just the kernel virtual > address space. This results in dumps that are generally less than Eeek. I misremembered. The code actually skips free pages, memory holes, and file-backed (aka vmio) pages. So you can end up with a lot more than the kernel map. But I think it should still be a huge win. Drew