[RFC PATCH 00/20] Coresight integration with perf

Mathieu Poirier mathieu.poirier at linaro.org
Thu Oct 1 15:07:09 PDT 2015

On 30 September 2015 at 02:52, Alexander Shishkin
<alexander.shishkin at linux.intel.com> wrote:
> Mathieu Poirier <mathieu.poirier at linaro.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?

A stream decoder is not included in this patch set but a couple of
people are currently working on it.

> Thanks,
> --
> Alex

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