linux-kernel - Re: [PATCH 0/6] Support ETE decoding

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Message-ID: <CANLsYkyjQi9+qM7mzWw+nxD_G36oRbN8Q8K2Vyo0rvsSnJQ90w@mail.gmail.com>
Date:   Wed, 21 Jul 2021 08:59:31 -0600
From:   Mathieu Poirier <mathieu.poirier@...aro.org>
To:     James Clark <james.clark@....com>
Cc:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Coresight ML <coresight@...ts.linaro.org>,
        Leo Yan <leo.yan@...aro.org>, Al Grant <al.grant@....com>,
        "Suzuki K. Poulose" <suzuki.poulose@....com>,
        Anshuman Khandual <anshuman.khandual@....com>,
        Mike Leach <mike.leach@...aro.org>,
        John Garry <john.garry@...wei.com>,
        Will Deacon <will@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-perf-users@...r.kernel.org
Subject: Re: [PATCH 0/6] Support ETE decoding

Hi James,

I have received this set but won't be able to look at it for quite some time.

Thanks,
Mathieu

On Wed, 21 Jul 2021 at 03:07, James Clark <james.clark@....com> wrote:
>
> Decoding ETE already works because it is a superset of
> ETMv4, but if any new packet types are found then they will be
> ignored by the decoder. This patchset creates an ETE decoder
> which can output the new packets and saves a new register that
> is required. No new packet types are handled by perf yet, as this
> can be added in the future.
>
> This set applies on top of "perf cs-etm: Support TRBE
> (unformatted decoding)" on perf/core.
>
> James Clark (6):
>   perf cs-etm: Refactor initialisation of decoder params.
>   perf cs-etm: Initialise architecture based on TRCIDR1
>   perf cs-etm: Save TRCDEVARCH register
>   perf cs-etm: Update OpenCSD decoder for ETE
>   perf cs-etm: Create ETE decoder
>   perf cs-etm: Print the decoder name
>
>  tools/build/feature/test-libopencsd.c         |   4 +-
>  tools/perf/arch/arm/util/cs-etm.c             |  13 +-
>  .../perf/util/cs-etm-decoder/cs-etm-decoder.c | 151 ++++++++----------
>  .../perf/util/cs-etm-decoder/cs-etm-decoder.h |   8 +
>  tools/perf/util/cs-etm.c                      |  54 ++++++-
>  tools/perf/util/cs-etm.h                      |   6 +-
>  6 files changed, 147 insertions(+), 89 deletions(-)
>
> --
> 2.28.0
>