Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1# SPDX-License-Identifier: GPL-2.0-only
2#
3# Performance Monitor Drivers
4#
5
6menu "Performance monitor support"
7 depends on PERF_EVENTS
8
9config ARM_CCI_PMU
10 tristate "ARM CCI PMU driver"
11 depends on (ARM && CPU_V7) || ARM64
12 select ARM_CCI
13 help
14 Support for PMU events monitoring on the ARM CCI (Cache Coherent
15 Interconnect) family of products.
16
17 If compiled as a module, it will be called arm-cci.
18
19config ARM_CCI400_PMU
20 bool "support CCI-400"
21 default y
22 depends on ARM_CCI_PMU
23 select ARM_CCI400_COMMON
24 help
25 CCI-400 provides 4 independent event counters counting events related
26 to the connected slave/master interfaces, plus a cycle counter.
27
28config ARM_CCI5xx_PMU
29 bool "support CCI-500/CCI-550"
30 default y
31 depends on ARM_CCI_PMU
32 help
33 CCI-500/CCI-550 both provide 8 independent event counters, which can
34 count events pertaining to the slave/master interfaces as well as the
35 internal events to the CCI.
36
37config ARM_CCN
38 tristate "ARM CCN driver support"
39 depends on ARM || ARM64 || COMPILE_TEST
40 help
41 PMU (perf) driver supporting the ARM CCN (Cache Coherent Network)
42 interconnect.
43
44config ARM_CMN
45 tristate "Arm CMN-600 PMU support"
46 depends on ARM64 || (COMPILE_TEST && 64BIT)
47 help
48 Support for PMU events monitoring on the Arm CMN-600 Coherent Mesh
49 Network interconnect.
50
51config ARM_PMU
52 depends on ARM || ARM64
53 bool "ARM PMU framework"
54 default y
55 help
56 Say y if you want to use CPU performance monitors on ARM-based
57 systems.
58
59config ARM_PMU_ACPI
60 depends on ARM_PMU && ACPI
61 def_bool y
62
63config ARM_SMMU_V3_PMU
64 tristate "ARM SMMUv3 Performance Monitors Extension"
65 depends on (ARM64 && ACPI) || (COMPILE_TEST && 64BIT)
66 depends on GENERIC_MSI_IRQ_DOMAIN
67 help
68 Provides support for the ARM SMMUv3 Performance Monitor Counter
69 Groups (PMCG), which provide monitoring of transactions passing
70 through the SMMU and allow the resulting information to be filtered
71 based on the Stream ID of the corresponding master.
72
73config ARM_DSU_PMU
74 tristate "ARM DynamIQ Shared Unit (DSU) PMU"
75 depends on ARM64
76 help
77 Provides support for performance monitor unit in ARM DynamIQ Shared
78 Unit (DSU). The DSU integrates one or more cores with an L3 memory
79 system, control logic. The PMU allows counting various events related
80 to DSU.
81
82config FSL_IMX8_DDR_PMU
83 tristate "Freescale i.MX8 DDR perf monitor"
84 depends on ARCH_MXC || COMPILE_TEST
85 help
86 Provides support for the DDR performance monitor in i.MX8, which
87 can give information about memory throughput and other related
88 events.
89
90config QCOM_L2_PMU
91 bool "Qualcomm Technologies L2-cache PMU"
92 depends on ARCH_QCOM && ARM64 && ACPI
93 select QCOM_KRYO_L2_ACCESSORS
94 help
95 Provides support for the L2 cache performance monitor unit (PMU)
96 in Qualcomm Technologies processors.
97 Adds the L2 cache PMU into the perf events subsystem for
98 monitoring L2 cache events.
99
100config QCOM_L3_PMU
101 bool "Qualcomm Technologies L3-cache PMU"
102 depends on ARCH_QCOM && ARM64 && ACPI
103 select QCOM_IRQ_COMBINER
104 help
105 Provides support for the L3 cache performance monitor unit (PMU)
106 in Qualcomm Technologies processors.
107 Adds the L3 cache PMU into the perf events subsystem for
108 monitoring L3 cache events.
109
110config THUNDERX2_PMU
111 tristate "Cavium ThunderX2 SoC PMU UNCORE"
112 depends on ARCH_THUNDER2 || COMPILE_TEST
113 depends on NUMA && ACPI
114 default m
115 help
116 Provides support for ThunderX2 UNCORE events.
117 The SoC has PMU support in its L3 cache controller (L3C) and
118 in the DDR4 Memory Controller (DMC).
119
120config XGENE_PMU
121 depends on ARCH_XGENE || (COMPILE_TEST && 64BIT)
122 bool "APM X-Gene SoC PMU"
123 default n
124 help
125 Say y if you want to use APM X-Gene SoC performance monitors.
126
127config ARM_SPE_PMU
128 tristate "Enable support for the ARMv8.2 Statistical Profiling Extension"
129 depends on ARM64
130 help
131 Enable perf support for the ARMv8.2 Statistical Profiling
132 Extension, which provides periodic sampling of operations in
133 the CPU pipeline and reports this via the perf AUX interface.
134
135config ARM_DMC620_PMU
136 tristate "Enable PMU support for the ARM DMC-620 memory controller"
137 depends on (ARM64 && ACPI) || COMPILE_TEST
138 help
139 Support for PMU events monitoring on the ARM DMC-620 memory
140 controller.
141
142source "drivers/perf/hisilicon/Kconfig"
143
144endmenu