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

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Date:   Thu, 7 Jul 2022 00:40:26 +0000
From:   Besar Wicaksono <bwicaksono@...dia.com>
To:     Will Deacon <will@...nel.org>
CC:     "suzuki.poulose@....com" <suzuki.poulose@....com>,
        "robin.murphy@....com" <robin.murphy@....com>,
        "catalin.marinas@....com" <catalin.marinas@....com>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
        "sudeep.holla@....com" <sudeep.holla@....com>,
        "thanu.rangarajan@....com" <thanu.rangarajan@....com>,
        "Michael.Williams@....com" <Michael.Williams@....com>,
        Thierry Reding <treding@...dia.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Vikram Sethi <vsethi@...dia.com>,
        "mathieu.poirier@...aro.org" <mathieu.poirier@...aro.org>,
        "mike.leach@...aro.org" <mike.leach@...aro.org>,
        "leo.yan@...aro.org" <leo.yan@...aro.org>
Subject: RE: [RESEND PATCH v3 2/2] perf: coresight_pmu: Add support for NVIDIA
 SCF and MCF attribute



> -----Original Message-----
> From: Will Deacon <will@...nel.org>
> Sent: Monday, June 27, 2022 5:38 PM
> 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; Thierry Reding
> <treding@...dia.com>; Jonathan Hunter <jonathanh@...dia.com>; Vikram
> Sethi <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
> 
> External email: Use caution opening links or attachments
> 
> 
> 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

Thank you for the pointer.
I will include the documentation in the next revision.

Regards,
Besar