linux-kernel - Re: [PATCH V2 17/30] perf: changing pmu::setup

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Date:	Mon, 19 Oct 2015 16:34:13 +0300
From:	Alexander Shishkin <alexander.shishkin@...ux.intel.com>
To:	Mathieu Poirier <mathieu.poirier@...aro.org>,
	gregkh@...uxfoundation.org, a.p.zijlstra@...llo.nl,
	acme@...nel.org, mingo@...hat.com, corbet@....net,
	nicolas.pitre@...aro.org
Cc:	adrian.hunter@...el.com, zhang.chunyan@...aro.org,
	mike.leach@....com, tor@...com, al.grant@....com,
	pawel.moll@....com, linux-arm-kernel@...ts.infradead.org,
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
	mathieu.poirier@...aro.org
Subject: Re: [PATCH V2 17/30] perf: changing pmu::setup_aux() parameter to include event

Mathieu Poirier <mathieu.poirier@...aro.org> writes:

> For some tracers the event carries information to be embedded
> in the private structure returned by setup_aux().

You need to mention here what these tracers are and which bits of
event's information they need in their setup_aux(). Right now I can look
it up in this patchset, but when this code gets merged it will make it
easier to understand why this change was made.

Now, I understand that you're interested in event::attr in your
setup_aux(), I have more comments on that in that other patch. :)

Cheers,
--
Alex
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