linux-kernel - Re: [PATCH 1/2] tools, perf: Add a precise event qualifier v2

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Date:	Fri, 13 Sep 2013 13:29:56 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	Andi Kleen <andi@...stfloor.org>, Vince Weaver <vince@...ter.net>,
	Andi Kleen <ak@...ux.intel.com>, acme@...radead.org,
	linux-kernel@...r.kernel.org,
	Stephane Eranian <eranian@...gle.com>,
	torvalds@...ux-foundation.org, trinity@...r.kernel.org,
	Thomas Gleixner <tglx@...utronix.de>,
	Frédéric Weisbecker <fweisbec@...il.com>,
	Jiri Olsa <jolsa@...hat.com>, Namhyung Kim <namhyung@...il.com>
Subject: Re: [PATCH 1/2] tools, perf: Add a precise event qualifier v2

On Fri, Sep 13, 2013 at 11:50:57AM +0200, Ingo Molnar wrote:
> For example if we added 'type' as well we could expose the generic, 
> hardware-independent events via sysfs as well.

Type is already fully implied by where you'll find the event in sysfs:

  /sys/bus/event_sources/devices/$PMU/events/

needs

  perf_event_attr::type := /sys/bus/event_sources/devices/$PMU/type
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