linux-kernel - Re: [RESEND PATCH v3 2/2] perf: coresight_pmu: Add support for NVIDIA SCF and MCF attribute

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Message-ID: <20220627103731.GC22095@willie-the-truck>
Date:   Mon, 27 Jun 2022 11:37:32 +0100
From:   Will Deacon <will@...nel.org>
To:     Besar Wicaksono <bwicaksono@...dia.com>
Cc:     suzuki.poulose@....com, robin.murphy@....com,
        catalin.marinas@....com, mark.rutland@....com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-tegra@...r.kernel.org, sudeep.holla@....com,
        thanu.rangarajan@....com, Michael.Williams@....com,
        treding@...dia.com, jonathanh@...dia.com, vsethi@...dia.com,
        mathieu.poirier@...aro.org, mike.leach@...aro.org,
        leo.yan@...aro.org
Subject: Re: [RESEND PATCH v3 2/2] perf: coresight_pmu: Add support for
 NVIDIA SCF and MCF attribute

On Tue, Jun 21, 2022 at 12:50:35AM -0500, Besar Wicaksono wrote:
> Add support for NVIDIA System Cache Fabric (SCF) and Memory Control
> Fabric (MCF) PMU attributes for CoreSight PMU implementation in
> NVIDIA devices.
> 
> Signed-off-by: Besar Wicaksono <bwicaksono@...dia.com>
> ---
>  drivers/perf/coresight_pmu/Makefile           |   3 +-
>  .../perf/coresight_pmu/arm_coresight_pmu.c    |   4 +
>  .../coresight_pmu/arm_coresight_pmu_nvidia.c  | 312 ++++++++++++++++++
>  .../coresight_pmu/arm_coresight_pmu_nvidia.h  |  17 +
>  4 files changed, 335 insertions(+), 1 deletion(-)
>  create mode 100644 drivers/perf/coresight_pmu/arm_coresight_pmu_nvidia.c
>  create mode 100644 drivers/perf/coresight_pmu/arm_coresight_pmu_nvidia.h

Please can you include some documentation along with this driver? See
Documentation/admin-guide/perf/ for examples of other PMUs.

Will