Date: Tue, 7 Jul 1998 10:36:08 +0200 (CEST) From: Andrzej Bialecki <abial@nask.pl> To: Amancio Hasty <hasty@rah.star-gate.com> Cc: Dusk Auriel Sykotik <syko@sykotik.org>, freebsd-current@FreeBSD.ORG Subject: Re: FreeBSD in less than 4MB RAM Message-ID: <Pine.NEB.3.95.980707102220.20507E-100000@korin.warman.org.pl> In-Reply-To: <199807070816.BAA01682@rah.star-gate.com>
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On Tue, 7 Jul 1998, Amancio Hasty wrote:
> Now, where is all the memory being allocated:
>
> 1. kernel
1.1 init
1.2 fork()
> 2. small process 1
2.1 fork()
> 3. small process 2
> 4. xxxx any other daemons that you have running
4.x fork()
...and you start seeing "small_process (pid xxx): killed" and "out of swap
space"...
But that was also my question - to have a way to check what portion of
memory is allocated to which structure... I'm afraid there is no generic
answer to this.
Also, "kernel" above doesn't equal `size kernel` - there are disk buffers,
mbufs, stacks, and whatnot which are allocated on start; so its much
bigger.
> Also have you trimmed down the kernel?
If you mean "stripping" - yes.
What I forgot to add (sorry...) is that I'm primarily interested in
situations where there is no swap. This usually means there is no disk
and there is a MFS taking its sweet portion of RAM...
Andrzej Bialecki
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abial@nask.pl | if(halt_per_mth > 0) { fetch("http://www.freebsd.org") }
Research & Academic | "Be open-minded, but don't let your brains to fall out."
Network in Poland | All of the above (and more) is just my personal opinion.
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