linux-kernel - Re: [PATCH] Add munmap events to perf

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Message-ID: <20100629083323.GA6917@us.ibm.com>
Date:	Tue, 29 Jun 2010 09:33:23 +0100
From:	Eric B Munson <ebmunson@...ibm.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	mingo@...e.hu, paulus@...ba.org, acme@...hat.com,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	Anton Blanchard <anton@...ba.org>
Subject: Re: [PATCH] Add munmap events to perf

On Mon, 28 Jun 2010, Peter Zijlstra wrote:

> On Mon, 2010-06-28 at 19:08 +0100, Eric B Munson wrote:
> > This patch adds a new software event for munmaps.  It will allows
> > users to profile changes to address space.  munmaps will be tracked
> > with mmaps.
> 
> Why?
> 

It is going to be used by a tool that will model memory usage over the
lifetime of a process.

-- 
Eric B Munson
IBM Linux Technology Center
ebmunson@...ibm.com


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