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# SPDX-License-Identifier: GPL-2.0-only
#
# Performance Monitor Drivers
#
menu "Performance monitor support"
depends on PERF_EVENTS
config ARM_CCI_PMU
tristate "ARM CCI PMU driver"
depends on (ARM && CPU_V7) || ARM64
select ARM_CCI
help
Support for PMU events monitoring on the ARM CCI (Cache Coherent
Interconnect) family of products.
If compiled as a module, it will be called arm-cci.
config ARM_CCI400_PMU
bool "support CCI-400"
default y
depends on ARM_CCI_PMU
select ARM_CCI400_COMMON
help
CCI-400 provides 4 independent event counters counting events related
to the connected slave/master interfaces, plus a cycle counter.
config ARM_CCI5xx_PMU
bool "support CCI-500/CCI-550"
default y
depends on ARM_CCI_PMU
help
CCI-500/CCI-550 both provide 8 independent event counters, which can
count events pertaining to the slave/master interfaces as well as the
internal events to the CCI.
config ARM_CCN
tristate "ARM CCN driver support"
depends on ARM || ARM64
help
PMU (perf) driver supporting the ARM CCN (Cache Coherent Network)
interconnect.
config ARM_CMN
tristate "Arm CMN-600 PMU support"
depends on ARM64 || (COMPILE_TEST && 64BIT)
help
Support for PMU events monitoring on the Arm CMN-600 Coherent Mesh
Network interconnect.
config ARM_PMU
depends on ARM || ARM64
bool "ARM PMU framework"
default y
help
Say y if you want to use CPU performance monitors on ARM-based
systems.
config RISCV_PMU
depends on RISCV
bool "RISC-V PMU framework"
default y
help
Say y if you want to use CPU performance monitors on RISCV-based
systems. This provides the core PMU framework that abstracts common
PMU functionalities in a core library so that different PMU drivers
can reuse it.
config RISCV_PMU_LEGACY
depends on RISCV_PMU
bool "RISC-V legacy PMU implementation"
default y
help
Say y if you want to use the legacy CPU performance monitor
implementation on RISC-V based systems. This only allows counting
of cycle/instruction counter and doesn't support counter overflow,
or programmable counters. It will be removed in future.
config ARM_PMU_ACPI
depends on ARM_PMU && ACPI
def_bool y
config ARM_SMMU_V3_PMU
tristate "ARM SMMUv3 Performance Monitors Extension"
depends on ARM64 && ACPI
help
Provides support for the ARM SMMUv3 Performance Monitor Counter
Groups (PMCG), which provide monitoring of transactions passing
through the SMMU and allow the resulting information to be filtered
based on the Stream ID of the corresponding master.
config ARM_DSU_PMU
tristate "ARM DynamIQ Shared Unit (DSU) PMU"
depends on ARM64
help
Provides support for performance monitor unit in ARM DynamIQ Shared
Unit (DSU). The DSU integrates one or more cores with an L3 memory
system, control logic. The PMU allows counting various events related
to DSU.
config FSL_IMX8_DDR_PMU
tristate "Freescale i.MX8 DDR perf monitor"
depends on ARCH_MXC
help
Provides support for the DDR performance monitor in i.MX8, which
can give information about memory throughput and other related
events.
config QCOM_L2_PMU
bool "Qualcomm Technologies L2-cache PMU"
depends on ARCH_QCOM && ARM64 && ACPI
select QCOM_KRYO_L2_ACCESSORS
help
Provides support for the L2 cache performance monitor unit (PMU)
in Qualcomm Technologies processors.
Adds the L2 cache PMU into the perf events subsystem for
monitoring L2 cache events.
config QCOM_L3_PMU
bool "Qualcomm Technologies L3-cache PMU"
depends on ARCH_QCOM && ARM64 && ACPI
select QCOM_IRQ_COMBINER
help
Provides support for the L3 cache performance monitor unit (PMU)
in Qualcomm Technologies processors.
Adds the L3 cache PMU into the perf events subsystem for
monitoring L3 cache events.
config THUNDERX2_PMU
tristate "Cavium ThunderX2 SoC PMU UNCORE"
depends on ARCH_THUNDER2 && ARM64 && ACPI && NUMA
default m
help
Provides support for ThunderX2 UNCORE events.
The SoC has PMU support in its L3 cache controller (L3C) and
in the DDR4 Memory Controller (DMC).
config XGENE_PMU
depends on ARCH_XGENE
bool "APM X-Gene SoC PMU"
default n
help
Say y if you want to use APM X-Gene SoC performance monitors.
config ARM_SPE_PMU
tristate "Enable support for the ARMv8.2 Statistical Profiling Extension"
depends on ARM64
help
Enable perf support for the ARMv8.2 Statistical Profiling
Extension, which provides periodic sampling of operations in
the CPU pipeline and reports this via the perf AUX interface.
config ARM_DMC620_PMU
tristate "Enable PMU support for the ARM DMC-620 memory controller"
depends on (ARM64 && ACPI) || COMPILE_TEST
help
Support for PMU events monitoring on the ARM DMC-620 memory
controller.
source "drivers/perf/hisilicon/Kconfig"
endmenu
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