linux-kernel - Re: [PATCH 03/15 V3] perf c2c: Shared data analyser

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Date:	Tue, 08 Apr 2014 18:29:42 -0700
From:	Andi Kleen <andi@...stfloor.org>
To:	Namhyung Kim <namhyung@...nel.org>
Cc:	Don Zickus <dzickus@...hat.com>, acme@...stprotocols.net,
	LKML <linux-kernel@...r.kernel.org>, jolsa@...hat.com,
	jmario@...hat.com, fowles@...each.com, peterz@...radead.org,
	eranian@...gle.com, andi.kleen@...el.com,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	David Ahern <dsahern@...il.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Mike Galbraith <efault@....de>,
	Paul Mackerras <paulus@...ba.org>,
	Richard Fowles <rfowles@...hat.com>
Subject: Re: [PATCH 03/15 V3] perf c2c: Shared data analyser

Namhyung Kim <namhyung@...nel.org> writes:
>
> Well, I'm not sure ;-)  Yes, the c2c is a complex tool which might
> deserve an own command, but the functionality is very similar and I
> guess there's something to share between them.

They work very differently.  I don't see a lot of potential
for sharing.

perf mem is basically just a way to annotate normal samples slightly
with addresses, while c2c is fundamentally address driven.

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only
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