On Tue, Jun 21, 2022 at 12:50:34AM -0500, Besar Wicaksono wrote: > Add support for ARM CoreSight PMU driver framework and interfaces. > The driver provides generic implementation to operate uncore PMU based > on ARM CoreSight PMU architecture. The driver also provides interface > to get vendor/implementation specific information, for example event > attributes and formating. > > The specification used in this implementation can be found below: > * ACPI Arm Performance Monitoring Unit table: > https://developer.arm.com/documentation/den0117/latest > * ARM Coresight PMU architecture: > https://developer.arm.com/documentation/ihi0091/latest > > Signed-off-by: Besar Wicaksono <bwicaksono@xxxxxxxxxx> > --- > arch/arm64/configs/defconfig | 1 + > drivers/perf/Kconfig | 2 + > drivers/perf/Makefile | 1 + > drivers/perf/coresight_pmu/Kconfig | 11 + > drivers/perf/coresight_pmu/Makefile | 6 + > .../perf/coresight_pmu/arm_coresight_pmu.c | 1312 +++++++++++++++++ > .../perf/coresight_pmu/arm_coresight_pmu.h | 177 +++ > 7 files changed, 1510 insertions(+) > create mode 100644 drivers/perf/coresight_pmu/Kconfig > create mode 100644 drivers/perf/coresight_pmu/Makefile > create mode 100644 drivers/perf/coresight_pmu/arm_coresight_pmu.c > create mode 100644 drivers/perf/coresight_pmu/arm_coresight_pmu.h > > diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig > index 7d1105343bc2..22184f8883da 100644 > --- a/arch/arm64/configs/defconfig > +++ b/arch/arm64/configs/defconfig > @@ -1212,6 +1212,7 @@ CONFIG_PHY_UNIPHIER_USB3=y > CONFIG_PHY_TEGRA_XUSB=y > CONFIG_PHY_AM654_SERDES=m > CONFIG_PHY_J721E_WIZ=m > +CONFIG_ARM_CORESIGHT_PMU=y > CONFIG_ARM_SMMU_V3_PMU=m > CONFIG_FSL_IMX8_DDR_PMU=m > CONFIG_QCOM_L2_PMU=y > diff --git a/drivers/perf/Kconfig b/drivers/perf/Kconfig > index 1e2d69453771..c4e7cd5b4162 100644 > --- a/drivers/perf/Kconfig > +++ b/drivers/perf/Kconfig > @@ -192,4 +192,6 @@ config MARVELL_CN10K_DDR_PMU > Enable perf support for Marvell DDR Performance monitoring > event on CN10K platform. > > +source "drivers/perf/coresight_pmu/Kconfig" > + > endmenu > diff --git a/drivers/perf/Makefile b/drivers/perf/Makefile > index 57a279c61df5..4126a04b5583 100644 > --- a/drivers/perf/Makefile > +++ b/drivers/perf/Makefile > @@ -20,3 +20,4 @@ obj-$(CONFIG_ARM_DMC620_PMU) += arm_dmc620_pmu.o > obj-$(CONFIG_MARVELL_CN10K_TAD_PMU) += marvell_cn10k_tad_pmu.o > obj-$(CONFIG_MARVELL_CN10K_DDR_PMU) += marvell_cn10k_ddr_pmu.o > obj-$(CONFIG_APPLE_M1_CPU_PMU) += apple_m1_cpu_pmu.o > +obj-$(CONFIG_ARM_CORESIGHT_PMU) += coresight_pmu/ > diff --git a/drivers/perf/coresight_pmu/Kconfig b/drivers/perf/coresight_pmu/Kconfig > new file mode 100644 > index 000000000000..89174f54c7be > --- /dev/null > +++ b/drivers/perf/coresight_pmu/Kconfig > @@ -0,0 +1,11 @@ > +# SPDX-License-Identifier: GPL-2.0 > +# > +# Copyright (c) 2022, NVIDIA CORPORATION & AFFILIATES. > + > +config ARM_CORESIGHT_PMU > + tristate "ARM Coresight PMU" > + depends on ACPI > + depends on ACPI_APMT || COMPILE_TEST ACPI_APMT doesn't exist in my tree. What's missing here? Will
