Date: Fri, 17 Mar 1995 09:19:54 +0100 From: Lars Koeller <uphya001@odie.physik2.uni-rostock.de> To: davidg@Root.COM Cc: freebsd-questions@freefall.cdrom.com Subject: Re: My free memory is shrinking away Message-ID: <199503170819.JAA01125@odie.physik2.uni-rostock.de> In-Reply-To: Mail from 'David Greenman <davidg@Root.COM>' dated: Thu, 16 Mar 1995 16:12:33 -0800
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Hello!
I'm the person who ported xperfmon++!
|>> I just ftp'd xperfmon++ from ftp.cdrom.com. Kudos to the person who ported
|>> it.
|>>
|>> While I've been sitting here running it on an idle machine, the Free Memory
|>> field has been slowly marching down from 800 to 452 at a regular rate.
|>>
|>> Is this the expected behavior or do I have a memory leak somewhere?
|>>
|>> The network is active, hey is the Free Memory field just turned yellow.
|>>
|>> I'm running SNAP 021095.
|>>
|>> The machine is idle other than seeing network traffic not destined for it.
|> There are two classes of 'free' memory..."cached pages" - which are clean
|> pages, not mapped into any process that are primarily intended to cache file
|> data, and free pages which contain nothing. I suspect that xperfmon isn't
|> reporting 'cached' pages.
|>
Right! Xperfmon++ displays the t_free field out of the vmtotal
struct. These are the the same as the 'fre' field vmstat shows!
Lars
------------------------------------------------------------------------------
Lars Köller E-Mail:
University of Rostock (Germany) lars.koeller@odie.physik2.Uni-Rostock.DE
Fachbereich Physik lars.koeller@physik.Uni-Rostock.DE
Universitätsplatz 3 Phone: +49 381/498-1665 or 498-1648
18051 Rostock Fax: +49 381/498-1667
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