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SubjectRe: [PATCH 0/2] perf: ARM CoreSight PMU support
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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