linux-kernel - Re: [RFC PATCH 00/20] Coresight integration with perf

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Date:	Wed, 30 Sep 2015 11:52:11 +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
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
Subject: Re: [RFC PATCH 00/20] Coresight integration with perf

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

> This patchset aims to integrate configuration and control of
> the Coresight tracers with the perf sub-system.
>
> The goal is to use PMUs to represent tracers and the auxiliary
> buffer enhancement to collect processor traces.  As such a lot
> of work is done to move the current Coresight sysFS oriented
> configuration and control commands to perf's AUX API.
>
> For the time being the work concentrates on ETMv3 and ETB1.0
> sink buffers.  Work on ETMv4 and other type of sink buffers
> will follow once a foundation has been established.
>
> Enhancement to the perf command line tool can be found here [1].
> It is based on v4.2 but a rebase to v4.3-rcX will be available
> shortly.
>
> Best regards,
> Mathieu
>
> [1]. https://git.linaro.org/people/mathieu.poirier/coresight.git/shortlog/refs/heads/perf-v4.2 

I had a peek there -- didn't see an actual decoder for the ETM/PTM
binary stream or did I miss it somehow?

Thanks,
--
Alex
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