Date: Wed, 13 Mar 2002 09:38:05 +0000 From: Josef Karthauser <joe@tao.org.uk> To: Dag-Erling Smorgrav <des@ofug.org> Cc: arch@freebsd.org, peter@freebsd.org, jake@freebsd.org Subject: Re: dumpsys() rewrite Message-ID: <20020313093805.GA29679@genius.tao.org.uk> In-Reply-To: <xzp3cz5v7rp.fsf@flood.ping.uio.no> References: <xzp3cz5v7rp.fsf@flood.ping.uio.no>
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[-- Attachment #1 --] On Tue, Mar 12, 2002 at 09:41:14PM +0100, Dag-Erling Smorgrav wrote: > > Drawing on input from Peter, I suggest the following: > > a) drivers will implement three functions instead of one: > > - dump_init: readies the device for dumping the specified number > of pages at the specified offset (dumplo). > > - dump_write: writes the specified number of pages from the > specified address to the device It would be fantastic to be able to compress the memory image as it is dumped to disk. That would speed it up a bit in most cases. If each dump_write reads memory directly rather than going through a common function this is never going to be easy to do. Joe [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (FreeBSD) Comment: For info see http://www.gnupg.org iEYEARECAAYFAjyPHfwACgkQXVIcjOaxUBaMGACgoo+Pdya4v8XwnrLqWNRS7uQD Z+EAn3SIAqEFeVjWmECGsxPC4kytKszB =DrdV -----END PGP SIGNATURE-----
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