linux-kernel - Re: [PATCH 5/6] perf_counter: kerneltop: mmap

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Message-Id: <1237984864.7972.896.camel@twins>
Date:	Wed, 25 Mar 2009 13:41:04 +0100
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	linux-kernel@...r.kernel.org, Paul Mackerras <paulus@...ba.org>,
	Mike Galbraith <efault@....de>,
	Arjan van de Ven <arjan@...radead.org>,
	Wu Fengguang <fengguang.wu@...el.com>
Subject: Re: [PATCH 5/6] perf_counter: kerneltop: mmap_pages argument

On Wed, 2009-03-25 at 13:35 +0100, Ingo Molnar wrote:

> > Also, when mixing streams (events,mmap) is a single: you missed 
> > 'n' events still good?
> 
> How would such mixing work? Multiple counters streaming into the 
> same mmap area?

No basically having overflow events and mmap-vma changed events in a
single output stream.



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