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From: Will Deacon <will@kernel.org>
To: Besar Wicaksono <bwicaksono@nvidia.com>
Cc: catalin.marinas@arm.com, mark.rutland@arm.com,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, linux-tegra@vger.kernel.org,
	sudeep.holla@arm.com, thanu.rangarajan@arm.com,
	Michael.Williams@arm.com, suzuki.poulose@arm.com,
	treding@nvidia.com, jonathanh@nvidia.com, vsethi@nvidia.com
Subject: Re: [PATCH 0/2] perf: ARM CoreSight PMU support
Date: Mon, 9 May 2022 10:28:44 +0100	[thread overview]
Message-ID: <20220509092843.GB26264@willie-the-truck> (raw)
In-Reply-To: <20220509002810.12412-1-bwicaksono@nvidia.com>

On Sun, May 08, 2022 at 07:28:08PM -0500, Besar Wicaksono wrote:
> Add driver support for ARM CoreSight PMU device and event attributes for NVIDIA
> implementation. The code is based on ARM Coresight PMU architecture and ACPI ARM
> Performance Monitoring Unit table (APMT) specification below:
>  * ARM Coresight PMU:
>         https://developer.arm.com/documentation/ihi0091/latest
>  * APMT: https://developer.arm.com/documentation/den0117/latest
> 
> Notes:
>  * There is a concern on the naming of the PMU device.
>    Currently the driver is probing "arm-coresight-pmu" device, however the APMT
>    spec supports different kinds of CoreSight PMU based implementation. So it is
>    open for discussion if the name can stay or a "generic" name is required.
>    Please see the following thread:
>    http://lists.infradead.org/pipermail/linux-arm-kernel/2022-May/740485.html
> 
> Besar Wicaksono (2):
>   perf: coresight_pmu: Add support for ARM CoreSight PMU driver
>   perf: coresight_pmu: Add support for NVIDIA SCF and MCF attribute
> 
>  arch/arm64/configs/defconfig                  |    1 +
>  drivers/perf/Kconfig                          |    2 +
>  drivers/perf/Makefile                         |    1 +
>  drivers/perf/coresight_pmu/Kconfig            |   10 +
>  drivers/perf/coresight_pmu/Makefile           |    7 +
>  .../perf/coresight_pmu/arm_coresight_pmu.c    | 1317 +++++++++++++++++
>  .../perf/coresight_pmu/arm_coresight_pmu.h    |  147 ++
>  .../coresight_pmu/arm_coresight_pmu_nvidia.c  |  300 ++++
>  .../coresight_pmu/arm_coresight_pmu_nvidia.h  |   17 +
>  9 files changed, 1802 insertions(+)

How does this interact with all the stuff we have under
drivers/hwtracing/coresight/?

Will

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  parent reply	other threads:[~2022-05-09  9:29 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-09  0:28 [PATCH 0/2] perf: ARM CoreSight PMU support Besar Wicaksono
2022-05-09  0:28 ` [PATCH 1/2] perf: coresight_pmu: Add support for ARM CoreSight PMU driver Besar Wicaksono
2022-05-09 12:13   ` Robin Murphy
2022-05-11  2:46     ` Besar Wicaksono
2022-05-11 10:03       ` Robin Murphy
2022-05-09  0:28 ` [PATCH 2/2] perf: coresight_pmu: Add support for NVIDIA SCF and MCF attribute Besar Wicaksono
2022-05-09  9:28 ` Will Deacon [this message]
2022-05-09 10:02   ` [PATCH 0/2] perf: ARM CoreSight PMU support Suzuki K Poulose
2022-05-09 12:20     ` Shaokun Zhang
2022-05-09 22:07     ` Besar Wicaksono
2022-05-10 11:07     ` Sudeep Holla
2022-05-10 11:13       ` Will Deacon
2022-05-10 18:40         ` Sudeep Holla
2022-05-11  1:29           ` Besar Wicaksono
2022-05-11 12:42             ` Robin Murphy
2022-05-13  6:16               ` Thanu Rangarajan
2022-05-11  8:44         ` Suzuki K Poulose
2022-05-11 16:44           ` Besar Wicaksono
2022-05-13 12:25             ` Besar Wicaksono
2022-05-15 16:30 ` [PATCH v2 " Besar Wicaksono
2022-05-15 16:30   ` [PATCH v2 1/2] perf: coresight_pmu: Add support for ARM CoreSight PMU driver Besar Wicaksono
2022-05-18  7:16     ` kernel test robot
2022-05-18 20:10       ` Besar Wicaksono
2022-05-19  8:52     ` Suzuki K Poulose
2022-05-19 17:04       ` Besar Wicaksono
2022-05-15 16:30   ` [PATCH v2 2/2] perf: coresight_pmu: Add support for NVIDIA SCF and MCF attribute Besar Wicaksono
2022-05-25  6:48   ` [PATCH v3 0/2] perf: ARM CoreSight PMU support Besar Wicaksono
2022-05-25  6:48     ` [PATCH v3 1/2] perf: coresight_pmu: Add support for ARM CoreSight PMU driver Besar Wicaksono
2022-05-25  6:48     ` [PATCH v3 2/2] perf: coresight_pmu: Add support for NVIDIA SCF and MCF attribute Besar Wicaksono
2022-06-03 15:47     ` [PATCH v3 0/2] perf: ARM CoreSight PMU support Besar Wicaksono
2022-06-14 10:19     ` Besar Wicaksono

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