From owner-freebsd-hackers  Sat Jan 12 14:25:42 2002
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Date: Sat, 12 Jan 2002 14:25:35 -0800
From: Kris Kennaway <kris@obsecurity.org>
To: Nate Williams <nate@yogotech.com>
Cc: hackers@FreeBSD.org
Subject: Re: Amount of free memory available in system?
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In-Reply-To: <15424.32963.768829.892783@caddis.yogotech.com>; from nate@yogotech.com on Sat, Jan 12, 2002 at 11:30:27AM -0700
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On Sat, Jan 12, 2002 at 11:30:27AM -0700, Nate Williams wrote:
> Is there a simple sysctl or a command line utility I can use to
> determine how much free memory is available in a system?
>=20
> I've got an embedded application that has *very* limited memory, and I
> was trying to figure out how much memory was available for the userland
> applications.
>=20
> 'top' has something, as well as 'vmstat'.  Unfortunately, because of the
> limited amount of disk space available on this box, I don't have access
> to either one of those.
>=20
> Is there a sysctl I can use to determine how much free memory is
> available on the box?

Why not look how top and vmstat calculate it and do that in your code.

Kris

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