From owner-freebsd-arch Wed Mar 13 13:28:26 2002 Delivered-To: freebsd-arch@freebsd.org Received: from duke.cs.duke.edu (duke.cs.duke.edu [152.3.140.1]) by hub.freebsd.org (Postfix) with ESMTP id 93C1437B419 for ; Wed, 13 Mar 2002 13:28:12 -0800 (PST) Received: from grasshopper.cs.duke.edu (grasshopper.cs.duke.edu [152.3.145.30]) by duke.cs.duke.edu (8.9.3/8.9.3) with ESMTP id QAA17069; Wed, 13 Mar 2002 16:28:11 -0500 (EST) Received: (from gallatin@localhost) by grasshopper.cs.duke.edu (8.11.6/8.9.1) id g2DLRfT40329; Wed, 13 Mar 2002 16:27:41 -0500 (EST) (envelope-from gallatin@cs.duke.edu) From: Andrew Gallatin MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <15503.50253.527438.195997@grasshopper.cs.duke.edu> Date: Wed, 13 Mar 2002 16:27:41 -0500 (EST) To: Dag-Erling Smorgrav Cc: arch@FreeBSD.ORG Subject: Re: dumpsys() rewrite In-Reply-To: References: <20020313093805.GA29679@genius.tao.org.uk> X-Mailer: VM 6.75 under 21.1 (patch 12) "Channel Islands" XEmacs Lucid Sender: owner-freebsd-arch@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Dag-Erling Smorgrav writes: > Garance A Drosihn writes: > > Would it make any sense to compress it in the 'gzip' sense of > > the word (or some simpler algorithm)? > > Not really. The compression rate is not sufficiently predictable, and > dumping would be s...l...o...w... > You might not want to discount it out of hand. Other OSes (at least Tru64, possibly others) do compressed dumps effectively. Investigating this, once you've gotten a unified dumpsys, is a potential Junior Kernel Hacker task. Your dumpsys cleanup & proposed format with a nice little header at the front will facilitate work like this, as well as partial dumps, (which I'm partial to ;) to be easily integrated. Drew To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message