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From: Mikolaj Golub <trociny@freebsd.org>
To: Ivan Voras <ivoras@freebsd.org>
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	(Ivan Voras's message of "Fri, 1 Jun 2012 14:54:48 +0200")
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Cc: Alan Cox <alc@FreeBSD.org>,
	Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>,
	Robert Watson <rwatson@FreeBSD.org>,
	Kostik Belousov <kib@FreeBSD.org>, freebsd-hackers@freebsd.org
Subject: Re: SuperPages utilization survey
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On Fri, 1 Jun 2012 14:54:48 +0200 Ivan Voras wrote:

 IV> On 1 June 2012 14:35, Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> wrote:
 >>> http://people.freebsd.org/~ivoras/stuff/spsurvey.py

 ...

 IV> If anyone posts more data, I'll analyse it. I'm more worried about the
 IV> granularity of procstat, where it marks the entire region if a single
 IV> superpage exists in it - it means any such analysis is only
 IV> approximate.

Here is a patch (for kernel and procstat) that allows to see amount of pages
mapped to superpages.

http://people.freebsd.org/~trociny/procstat-superpages.cnt.1.patch

Not sure it is useful enough to be committed.

-- 
Mikolaj Golub