Date: Wed, 20 Oct 2004 11:39:53 -0600 From: Scott Long <scottl@freebsd.org> To: Brooks Davis <brooks@one-eyed-alien.net> Cc: arch@freebsd.org Subject: Re: [Fwd: What do people think about not installing a stripped /kernel ?] Message-ID: <4176A2E9.2010801@freebsd.org> In-Reply-To: <20041020172955.GG11477@odin.ac.hmc.edu> References: <41767CF1.2020005@FreeBSD.org> <20041020165900.GB834@alex.lan> <41769E70.4020808@FreeBSD.org> <20041020172955.GG11477@odin.ac.hmc.edu>
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Brooks Davis wrote: > On Wed, Oct 20, 2004 at 08:20:48PM +0300, Maxim Sobolev wrote: > >>Let me clarify it down: it is only applies to HEAD, that is, unstable >>branch, which can be inheretedly buggy. STABLE/RELEASE doesn't really >>need this feature. This dismisses the following objections: > > > I think it's more important in HEAD, but personally I would like to ship > this way. It has the potential to vastly improve the quality of bug > reports. That's not my call though. > > >>1. HDD size constrains: nobody really want to run unpatched HEAD on CF >>or the like, since with HEAD you are expected to re-compile more than often. >> >>2. / partition size: anybody running HEAD is expected to allow this >>accomodate debugging kernel. >> >>3. Additional slowdown: since it is adds up to 10 seconds (I bet that >>even less on a modern system) who cares? This is HEAD, so that it is >>expected to be sub-optimal performance-wise. > > > I seriously doubt it's measurable. If it is, the loader is broken. :-) > We're talking about reading a section header and doing a seek for each > ELF section we don't care about (all the ones that bloat the file > relative to the stripped version.) > > -- Brooks Actually, another possbility would be to have the kernel install target install the stripped kernel into /boot/kernel/kernel and the debug kernel into /var/kernel/kernel.debug or some similar location. Scott
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