linux-kernel - Re: [PATCH 0/4] Add support for ARMv8.3-SPE

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Message-ID: <20200728120623.GB40195@kernel.org>
Date:   Tue, 28 Jul 2020 09:06:23 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Wei Li <liwei391@...wei.com>
Cc:     Adrian Hunter <adrian.hunter@...el.com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Catalin Marinas <catalin.marinas@....com>,
        James Clark <james.clark@....com>,
        Jiri Olsa <jolsa@...hat.com>, Leo Yan <leo.yan@...aro.org>,
        Mark Rutland <mark.rutland@....com>,
        Namhyung Kim <namhyung@...nel.org>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Will Deacon <will@...nel.org>, zhangshaokun@...ilicon.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>, guohanjun@...wei.com
Subject: Re: [PATCH 0/4] Add support for ARMv8.3-SPE

Em Fri, Jul 24, 2020 at 05:16:03PM +0800, Wei Li escreveu:
> The ARMv8.3-SPE adds an Alignment Flag in the Events packet and filtering
> on this event using PMSEVFR_EL1, together with support for the profiling
> of Scalable Vector Extension operations.

Leo, Matthieu, have you had the time to review this? I can take the
tools/ part, the kernel bits should go via the ARM tree or via PeterZ,

- Arnaldo
 
> Patch 1: Update the kernel driver, mainly for PMSEVFR_EL1.
> 
> Patch 2: Update the decode process of Events packet and Operation Type
>   packet in perf tool.
> 
> Patch 3-4: Synthesize unaligned address access events and partial/empty
>   predicated SVE events, also add two itrace options for filtering.
> 
> Wei Li (4):
>   drivers/perf: Add support for ARMv8.3-SPE
>   perf: arm-spe: Add support for ARMv8.3-SPE
>   perf auxtrace: Add new itrace options for ARMv8.3-SPE
>   perf: arm-spe: Synthesize new events for ARMv8.3-SPE
> 
>  arch/arm64/include/asm/sysreg.h               |  4 +-
>  drivers/perf/arm_spe_pmu.c                    | 18 +++--
>  tools/perf/Documentation/itrace.txt           |  2 +
>  .../util/arm-spe-decoder/arm-spe-decoder.c    | 11 +++
>  .../util/arm-spe-decoder/arm-spe-decoder.h    |  3 +
>  .../arm-spe-decoder/arm-spe-pkt-decoder.c     | 69 ++++++++++++++++++-
>  tools/perf/util/arm-spe.c                     | 61 ++++++++++++++++
>  tools/perf/util/auxtrace.c                    |  8 +++
>  tools/perf/util/auxtrace.h                    |  4 ++
>  9 files changed, 173 insertions(+), 7 deletions(-)
> 
> -- 
> 2.17.1
> 

-- 

- Arnaldo