Date: Sun, 30 Oct 2005 21:57:03 -0500 From: Kris Kennaway <kris@obsecurity.org> To: Greg 'groggy' Lehey <grog@FreeBSD.org> Cc: freebsd-questions@freebsd.org, Kris Kennaway <kris@obsecurity.org> Subject: Re: kernel debug options Message-ID: <20051031025703.GA72110@xor.obsecurity.org> In-Reply-To: <20051031025333.GG48398@wantadilla.lemis.com> References: <004a01c5dcaf$5d9e9a70$37cba1cd@emerytelcom.com> <20051029194703.GB33857@xor.obsecurity.org> <20051031025333.GG48398@wantadilla.lemis.com>
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[-- Attachment #1 --] On Mon, Oct 31, 2005 at 01:23:33PM +1030, Greg 'groggy' Lehey wrote: > On Saturday, 29 October 2005 at 15:47:03 -0400, Kris Kennaway wrote: > > On Sat, Oct 29, 2005 at 11:36:59AM -0600, Elliot Finley wrote: > >> does having: > >> > >> options KDB > >> options DDB > >> makeoptions DEBUG=-g > >> > >> in the kernel make it slower? Or does it just make it take more memory? > > > > Neither. > > It makes it take more (text) memory. The code has to go somewhere. Well, you're right that enabling KDB/DDB adds a few bytes to the size of the kernel, but I interpreted his question as about runtime memory usage. Kris [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2 (FreeBSD) iD8DBQFDZYf/Wry0BWjoQKURAgZJAKDM36aHloX54xDr1GQImd78NIO5gwCeKqNO eVkNpMlBE2K6zcEz5B1+zZ0= =PjzU -----END PGP SIGNATURE-----
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