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From: "Stephen C. Tweedie" <sct@redhat.com>
To: Rik van Riel <riel@conectiva.com.br>
Cc: Roger Larsson <roger.larsson@norran.net>, linux-mm@kvack.org
Subject: Re: [RFC] VM statistics to gather
Date: Tue, 26 Jun 2001 08:42:05 +0100	[thread overview]
Message-ID: <20010626084205.Q18856@redhat.com> (raw)
In-Reply-To: <Pine.LNX.4.33L.0106252048230.23373-100000@duckman.distro.conectiva>; from riel@conectiva.com.br on Mon, Jun 25, 2001 at 08:59:11PM -0300

Hi,

On Mon, Jun 25, 2001 at 08:59:11PM -0300, Rik van Riel wrote:

> > Should memory zone be used as dimension?
> 
> Useful for allocations I guess, but it may be too confusing
> if we do this for all statistics... OTOH...

Then user space monitor apps can summarise over all zones.

Rik, having this information available per-zone is critically
important for doing VM tuning.  Whenever we see VM lockups, being able
to deduce when we're spinning on a single zone will be enormously
helpful.

Cheers,
 Stephen
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  parent reply	other threads:[~2001-06-26  7:42 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-06-25 23:04 [RFC] VM statistics to gather Rik van Riel
2001-06-25 23:35 ` Roger Larsson
2001-06-25 23:59   ` Rik van Riel
2001-06-26  1:11     ` Roger Larsson
2001-06-26  7:42     ` Stephen C. Tweedie [this message]
2001-06-26  1:45 ` Marcelo Tosatti
2001-06-26  7:13   ` Marcelo Tosatti
2001-06-26  4:24 ` Andrew Morton
2001-06-26  5:07   ` Marcelo Tosatti
2001-06-26  5:10     ` Marcelo Tosatti
2001-06-26  7:59     ` Andrew Morton
2001-06-27 10:30       ` Marcelo Tosatti

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