Date: Thu, 31 Oct 2002 18:14:29 -0800 (PST) From: Jeff Seeman <danger@e-lated.org> To: Mike Hoskins <mike@adept.org> Cc: Gregory Bond <gnb@itga.com.au>, Robert Bell <tradica@yahoo.com>, <freebsd-stable@FreeBSD.ORG> Subject: Re: Kernel build - new build too big Message-ID: <20021031181249.X1160-100000@omen.e-lated.org> In-Reply-To: <20021031150154.R5428-100000@fubar.adept.org>
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What exactly is the pro/cons to having a kernel of a particular size?
for example is smaller really better when it comes to kernels?
Jeff Seeman
Technical Instructor
On Thu, 31 Oct 2002, Mike Hoskins wrote:
> On Fri, 1 Nov 2002, Gregory Bond wrote:
>
> > > The new kernel is almost twice as big.
> > > Usually the diff is a few K at most.
> > run "size /kernel*" for a more accurate idea of how big the program (as
> > opposed to the program file) is.
>
> He reported the size going up after an upgrade. If the output of ls or
> size double after an upgrade... The numbers have doubled. As long as you
> compare apples with apples, I believe ls or size serves our purpose.
>
> FWIW, my kernel did not change much at all after my last cvsup,
>
> mike@mojo{~}$ ls -al /kern*
> -r-xr-xr-x 1 root wheel 2270494 Oct 9 18:02 /kernel*
> -r-xr-xr-x 1 root wheel 2270201 Sep 19 14:02 /kernel.old*
> mike@mojo{~}$ size /kern*
> text data bss dec hex filename
> 1640773 226708 117268 1984749 1e48ed /kernel
> 1640521 226644 117268 1984433 1e47b1 /kernel.old
>
> So, no significant changes observed here, but that doesn't really tell you
> anything!
>
> He was using a laptop, perhaps it's apm, etc. related. Regardless, why
> run a GENERIC (or "close to GENERIC") kernel? I don't see anything in
> /sys/i386/conf/* that's too difficult to understand... So why load
> options you don't need?
>
>
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