From owner-cvs-all Tue Oct 17 10:30:23 2000 Delivered-To: cvs-all@freebsd.org Received: from duke.cs.duke.edu (duke.cs.duke.edu [152.3.140.1]) by hub.freebsd.org (Postfix) with ESMTP id 9921537B4F9; Tue, 17 Oct 2000 10:30:18 -0700 (PDT) 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 NAA10120; Tue, 17 Oct 2000 13:30:17 -0400 (EDT) Received: (from gallatin@localhost) by grasshopper.cs.duke.edu (8.11.0/8.9.1) id e9HHUHe91487; Tue, 17 Oct 2000 13:30:17 -0400 (EDT) (envelope-from gallatin@cs.duke.edu) Date: Tue, 17 Oct 2000 13:30:17 -0400 From: Andrew Gallatin To: Paul Saab Cc: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org, Darrell Anderson Subject: Re: cvs commit: src/sys/alpha/alpha pmap.c src/sys/alpha/include param.h src/sys/cam/scsi scsi_da.c src/sys/dev/ata ata-disk.c src/sys/i386/i386 pmap.c src/sys/i386/include param.h src/sys/ia64/ia64 pmap.c src/sys/ia64/include param.h src/sys/vm ... Message-ID: <20001017133017.D5201@grasshopper.cs.duke.edu> References: <200010171005.DAA22181@freefall.freebsd.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 1.0i In-Reply-To: <200010171005.DAA22181@freefall.freebsd.org>; from ps@FreeBSD.org on Tue, Oct 17, 2000 at 03:05:50AM -0700 X-Operating-System: FreeBSD 4.1-STABLE on an i386 Sender: owner-cvs-all@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Paul Saab [ps@FreeBSD.org] wrote: <..> > Before: After: > WCE TIME WCE TIME > ------------------ ------------------ > 1 141.820972 1 15.600111 > 0 797.265072 0 65.480465 <..> If you want really fast crashdumps, check out netdump. This is a cool little hack written by one of our best systems grad students. Netdump does partial crashdumps over the network. Using its partial dump feature, it typically takes less that 10 seconds to dump a 512MB machine. In addition to being fast, it is really nice for kernel developement because you can be debugging the problem while the test machine is still rebooting/fsck'ing. See http://www.cs.duke.edu/~anderson/freebsd/netdump/ http://www.cs.duke.edu/~anderson/freebsd/netdump/readme.html -- ------------------------------------------------------------------------------ Andrew Gallatin, Sr Systems Programmer http://www.cs.duke.edu/~gallatin Duke University Email: gallatin@cs.duke.edu Department of Computer Science Phone: (919) 660-6590 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message