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Message-ID: <87skoxc6qo.fsf@basil.nowhere.org>
Date:	Tue, 09 Dec 2008 23:40:31 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	Paul Mackerras <paulus@...ba.org>
Cc:	Ingo Molnar <mingo@...e.hu>, eranian@...il.com,
	linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
	linux-arch@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Eric Dumazet <dada1@...mosbay.com>,
	Robert Richter <robert.richter@....com>,
	Arjan van de Veen <arjan@...radead.org>,
	Peter Anvin <hpa@...or.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Steven Rostedt <rostedt@...dmis.org>,
	David Miller <davem@...emloft.net>,
	Paolo Ciarrocchi <paolo.ciarrocchi@...il.com>
Subject: Re: [patch] Performance Counters for Linux, v2

Paul Mackerras <paulus@...ba.org> writes:

> So, can we agree to discuss both sampling and counting, and design an
> infrastructure that's good for both?

When you say counting you should also include "event ring buffers with
metadata", like PEBS on Intel x86. 

-Andi

-- 
ak@...ux.intel.com
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