From: Rik van Riel <riel@redhat.com>
To: John Daniels <johnqdaniels@yahoo.com>
Cc: linux-mm@kvack.org
Subject: Re: Determining number of page faults caused by paging out
Date: Mon, 29 Jan 2007 19:56:51 -0500 [thread overview]
Message-ID: <45BE97D3.7090105@redhat.com> (raw)
In-Reply-To: <268387.39294.qm@web56003.mail.re3.yahoo.com>
John Daniels wrote:
> Hi,
>
> I sent this message to kernelnewbies, but no one
> responded so I thought I'd see if anyone here could
> help me. Is there a way to determine the number of
> page faults which occur because a certain page has
> been paged out to disk and then back into memory (i.e.
> page faults that would have been avoided if the VM
> subsystem didn't swap the page to disk)?
You'll need my /proc/refaults patches for that.
See my paper on measuring resource demand, and the
patches (which I am forward porting, though I keep
getting distracted by other stuff):
http://people.redhat.com/riel/riel-OLS2006.pdf
http://surriel.com/patches/clockpro/
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prev parent reply other threads:[~2007-01-30 0:56 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-01-29 5:34 Determining number of page faults caused by paging out John Daniels
2007-01-30 0:56 ` Rik van Riel [this message]
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