libnvdimm/altmap: Track namespace boundaries in altmap
[linux-2.6-block.git] / drivers / perf / Kconfig
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ec8f24b7 1# SPDX-License-Identifier: GPL-2.0-only
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2#
3# Performance Monitor Drivers
4#
5
6menu "Performance monitor support"
bddb9b68 7 depends on PERF_EVENTS
fa8ad788 8
3de6be7a 9config ARM_CCI_PMU
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10 tristate "ARM CCI PMU driver"
11 depends on (ARM && CPU_V7) || ARM64
3de6be7a 12 select ARM_CCI
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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.
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18
19config ARM_CCI400_PMU
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20 bool "support CCI-400"
21 default y
22 depends on ARM_CCI_PMU
3de6be7a 23 select ARM_CCI400_COMMON
3de6be7a 24 help
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25 CCI-400 provides 4 independent event counters counting events related
26 to the connected slave/master interfaces, plus a cycle counter.
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27
28config ARM_CCI5xx_PMU
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29 bool "support CCI-500/CCI-550"
30 default y
31 depends on ARM_CCI_PMU
3de6be7a 32 help
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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.
3de6be7a 36
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37config ARM_CCN
38 tristate "ARM CCN driver support"
39 depends on ARM || ARM64
40 help
41 PMU (perf) driver supporting the ARM CCN (Cache Coherent Network)
42 interconnect.
43
fa8ad788 44config ARM_PMU
bddb9b68 45 depends on ARM || ARM64
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46 bool "ARM PMU framework"
47 default y
48 help
49 Say y if you want to use CPU performance monitors on ARM-based
50 systems.
51
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52config ARM_PMU_ACPI
53 depends on ARM_PMU && ACPI
54 def_bool y
55
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56config ARM_SMMU_V3_PMU
57 tristate "ARM SMMUv3 Performance Monitors Extension"
58 depends on ARM64 && ACPI && ARM_SMMU_V3
59 help
60 Provides support for the ARM SMMUv3 Performance Monitor Counter
61 Groups (PMCG), which provide monitoring of transactions passing
62 through the SMMU and allow the resulting information to be filtered
63 based on the Stream ID of the corresponding master.
64
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65config ARM_DSU_PMU
66 tristate "ARM DynamIQ Shared Unit (DSU) PMU"
67 depends on ARM64
68 help
69 Provides support for performance monitor unit in ARM DynamIQ Shared
70 Unit (DSU). The DSU integrates one or more cores with an L3 memory
71 system, control logic. The PMU allows counting various events related
72 to DSU.
73
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74config FSL_IMX8_DDR_PMU
75 tristate "Freescale i.MX8 DDR perf monitor"
76 depends on ARCH_MXC
77 help
78 Provides support for the DDR performance monitor in i.MX8, which
79 can give information about memory throughput and other related
80 events.
81
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82config HISI_PMU
83 bool "HiSilicon SoC PMU"
84 depends on ARM64 && ACPI
85 help
86 Support for HiSilicon SoC uncore performance monitoring
87 unit (PMU), such as: L3C, HHA and DDRC.
88
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89config QCOM_L2_PMU
90 bool "Qualcomm Technologies L2-cache PMU"
bddb9b68 91 depends on ARCH_QCOM && ARM64 && ACPI
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92 help
93 Provides support for the L2 cache performance monitor unit (PMU)
94 in Qualcomm Technologies processors.
95 Adds the L2 cache PMU into the perf events subsystem for
96 monitoring L2 cache events.
97
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98config QCOM_L3_PMU
99 bool "Qualcomm Technologies L3-cache PMU"
bddb9b68 100 depends on ARCH_QCOM && ARM64 && ACPI
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101 select QCOM_IRQ_COMBINER
102 help
103 Provides support for the L3 cache performance monitor unit (PMU)
104 in Qualcomm Technologies processors.
105 Adds the L3 cache PMU into the perf events subsystem for
106 monitoring L3 cache events.
107
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108config THUNDERX2_PMU
109 tristate "Cavium ThunderX2 SoC PMU UNCORE"
110 depends on ARCH_THUNDER2 && ARM64 && ACPI && NUMA
111 default m
112 help
113 Provides support for ThunderX2 UNCORE events.
114 The SoC has PMU support in its L3 cache controller (L3C) and
115 in the DDR4 Memory Controller (DMC).
116
832c927d 117config XGENE_PMU
bddb9b68 118 depends on ARCH_XGENE
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119 bool "APM X-Gene SoC PMU"
120 default n
121 help
122 Say y if you want to use APM X-Gene SoC performance monitors.
123
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124config ARM_SPE_PMU
125 tristate "Enable support for the ARMv8.2 Statistical Profiling Extension"
b89205bd 126 depends on ARM64
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127 help
128 Enable perf support for the ARMv8.2 Statistical Profiling
129 Extension, which provides periodic sampling of operations in
130 the CPU pipeline and reports this via the perf AUX interface.
131
fa8ad788 132endmenu