From mboxrd@z Thu Jan  1 00:00:00 1970
From: drsalists@gmail.com (Dan Stromberg)
Date: Sat, 20 Jan 2018 18:08:43 -0800
Subject: [TUHS] Kernel Sizes
In-Reply-To: <CANCZdfoG5nEBtYefo=W3nOEY4FSoqixRMPh_4JncY=JyPAR8Lw@mail.gmail.com>
References: <CANCZdfoG5nEBtYefo=W3nOEY4FSoqixRMPh_4JncY=JyPAR8Lw@mail.gmail.com>
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On Sat, Jan 20, 2018 at 10:11 AM, Warner Losh <imp at bsdimp.com> wrote:
> For a presentation I'm doing this summer on FreeBSD, I thought it would be
> cool to get the kernel sizes for various old flavors of Unix. I see numbers

You might find http://stromberg.dnsalias.org/~strombrg/working-set/ interesting.

It intentionally fills virtual memory, and measures how much must must
be malloc'd and filled with gibberish, to cause thrashing.

Subtracting that from the amount of physmem in the machine, gives a
sort of measure of OS overhead.