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