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
47 help
48 Support for PMU events monitoring on the Arm CMN-600 Coherent Mesh
49 Network interconnect.
50
51config ARM_NI
52 tristate "Arm NI-700 PMU support"
53 depends on ARM64 || COMPILE_TEST
54 help
55 Support for PMU events monitoring on the Arm NI-700 Network-on-Chip
56 interconnect and family.
57
58config ARM_PMU
59 depends on ARM || ARM64
60 bool "ARM PMU framework"
61 default y
62 help
63 Say y if you want to use CPU performance monitors on ARM-based
64 systems.
65
66config ARM_V6_PMU
67 depends on ARM_PMU && (CPU_V6 || CPU_V6K)
68 def_bool y
69
70config ARM_V7_PMU
71 depends on ARM_PMU && CPU_V7
72 def_bool y
73
74config ARM_XSCALE_PMU
75 depends on ARM_PMU && CPU_XSCALE
76 def_bool y
77
78config RISCV_PMU
79 depends on RISCV
80 bool "RISC-V PMU framework"
81 default y
82 help
83 Say y if you want to use CPU performance monitors on RISCV-based
84 systems. This provides the core PMU framework that abstracts common
85 PMU functionalities in a core library so that different PMU drivers
86 can reuse it.
87
88config RISCV_PMU_LEGACY
89 depends on RISCV_PMU
90 bool "RISC-V legacy PMU implementation"
91 default y
92 help
93 Say y if you want to use the legacy CPU performance monitor
94 implementation on RISC-V based systems. This only allows counting
95 of cycle/instruction counter and doesn't support counter overflow,
96 or programmable counters. It will be removed in future.
97
98config RISCV_PMU_SBI
99 depends on RISCV_PMU && RISCV_SBI
100 bool "RISC-V PMU based on SBI PMU extension"
101 default y
102 help
103 Say y if you want to use the CPU performance monitor
104 using SBI PMU extension on RISC-V based systems. This option provides
105 full perf feature support i.e. counter overflow, privilege mode
106 filtering, counter configuration.
107
108config STARFIVE_STARLINK_PMU
109 depends on ARCH_STARFIVE || COMPILE_TEST
110 depends on 64BIT
111 bool "StarFive StarLink PMU"
112 help
113 Provide support for StarLink Performance Monitor Unit.
114 StarLink Performance Monitor Unit integrates one or more cores with
115 an L3 memory system. The L3 cache events are added into perf event
116 subsystem, allowing monitoring of various L3 cache perf events.
117
118config ANDES_CUSTOM_PMU
119 bool "Andes custom PMU support"
120 depends on ARCH_RENESAS && RISCV_ALTERNATIVE && RISCV_PMU_SBI
121 default y
122 help
123 The Andes cores implement the PMU overflow extension very
124 similar to the standard Sscofpmf and Smcntrpmf extension.
125
126 This will patch the overflow and pending CSRs and handle the
127 non-standard behaviour via the regular SBI PMU driver and
128 interface.
129
130 If you don't know what to do here, say "Y".
131
132config ARM_PMU_ACPI
133 depends on ARM_PMU && ACPI
134 def_bool y
135
136config ARM_SMMU_V3_PMU
137 tristate "ARM SMMUv3 Performance Monitors Extension"
138 depends on ARM64 || (COMPILE_TEST && 64BIT)
139 depends on GENERIC_MSI_IRQ
140 help
141 Provides support for the ARM SMMUv3 Performance Monitor Counter
142 Groups (PMCG), which provide monitoring of transactions passing
143 through the SMMU and allow the resulting information to be filtered
144 based on the Stream ID of the corresponding master.
145
146config ARM_PMUV3
147 depends on HW_PERF_EVENTS && ((ARM && CPU_V7) || ARM64)
148 bool "ARM PMUv3 support" if !ARM64
149 default ARM64
150 help
151 Say y if you want to use the ARM performance monitor unit (PMU)
152 version 3. The PMUv3 is the CPU performance monitors on ARMv8
153 (aarch32 and aarch64) systems that implement the PMUv3
154 architecture.
155
156config ARM_DSU_PMU
157 tristate "ARM DynamIQ Shared Unit (DSU) PMU"
158 depends on ARM64
159 help
160 Provides support for performance monitor unit in ARM DynamIQ Shared
161 Unit (DSU). The DSU integrates one or more cores with an L3 memory
162 system, control logic. The PMU allows counting various events related
163 to DSU.
164
165config FSL_IMX8_DDR_PMU
166 tristate "Freescale i.MX8 DDR perf monitor"
167 depends on ARCH_MXC || COMPILE_TEST
168 help
169 Provides support for the DDR performance monitor in i.MX8, which
170 can give information about memory throughput and other related
171 events.
172
173config FSL_IMX9_DDR_PMU
174 tristate "Freescale i.MX9 DDR perf monitor"
175 depends on ARCH_MXC
176 help
177 Provides support for the DDR performance monitor in i.MX9, which
178 can give information about memory throughput and other related
179 events.
180
181config FUJITSU_UNCORE_PMU
182 tristate "Fujitsu Uncore PMU"
183 depends on (ARM64 && ACPI) || (COMPILE_TEST && 64BIT)
184 help
185 Provides support for the Uncore performance monitor unit (PMU)
186 in Fujitsu processors.
187 Adds the Uncore PMU into the perf events subsystem for
188 monitoring Uncore events.
189
190config QCOM_L2_PMU
191 bool "Qualcomm Technologies L2-cache PMU"
192 depends on ARCH_QCOM && ARM64 && ACPI
193 select QCOM_KRYO_L2_ACCESSORS
194 help
195 Provides support for the L2 cache performance monitor unit (PMU)
196 in Qualcomm Technologies processors.
197 Adds the L2 cache PMU into the perf events subsystem for
198 monitoring L2 cache events.
199
200config QCOM_L3_PMU
201 bool "Qualcomm Technologies L3-cache PMU"
202 depends on ARCH_QCOM && ARM64 && ACPI
203 select QCOM_IRQ_COMBINER
204 help
205 Provides support for the L3 cache performance monitor unit (PMU)
206 in Qualcomm Technologies processors.
207 Adds the L3 cache PMU into the perf events subsystem for
208 monitoring L3 cache events.
209
210config THUNDERX2_PMU
211 tristate "Cavium ThunderX2 SoC PMU UNCORE"
212 depends on ARCH_THUNDER2 || COMPILE_TEST
213 depends on NUMA && ACPI
214 default m if ARCH_THUNDER2
215 help
216 Provides support for ThunderX2 UNCORE events.
217 The SoC has PMU support in its L3 cache controller (L3C) and
218 in the DDR4 Memory Controller (DMC).
219
220config XGENE_PMU
221 depends on ARCH_XGENE || (COMPILE_TEST && 64BIT)
222 bool "APM X-Gene SoC PMU"
223 default n
224 help
225 Say y if you want to use APM X-Gene SoC performance monitors.
226
227config ARM_SPE_PMU
228 tristate "Enable support for the ARMv8.2 Statistical Profiling Extension"
229 depends on ARM64
230 help
231 Enable perf support for the ARMv8.2 Statistical Profiling
232 Extension, which provides periodic sampling of operations in
233 the CPU pipeline and reports this via the perf AUX interface.
234
235config ARM64_BRBE
236 bool "Enable support for branch stack sampling using FEAT_BRBE"
237 depends on ARM_PMUV3 && ARM64
238 default y
239 help
240 Enable perf support for Branch Record Buffer Extension (BRBE) which
241 records all branches taken in an execution path. This supports some
242 branch types and privilege based filtering. It captures additional
243 relevant information such as cycle count, misprediction and branch
244 type, branch privilege level etc.
245
246config ARM_DMC620_PMU
247 tristate "Enable PMU support for the ARM DMC-620 memory controller"
248 depends on (ARM64 && ACPI) || COMPILE_TEST
249 help
250 Support for PMU events monitoring on the ARM DMC-620 memory
251 controller.
252
253config MARVELL_CN10K_TAD_PMU
254 tristate "Marvell CN10K LLC-TAD PMU"
255 depends on ARCH_THUNDER || (COMPILE_TEST && 64BIT)
256 help
257 Provides support for Last-Level cache Tag-and-data Units (LLC-TAD)
258 performance monitors on CN10K family silicons.
259
260config APPLE_M1_CPU_PMU
261 bool "Apple M1 CPU PMU support"
262 depends on ARM_PMU && ARCH_APPLE
263 help
264 Provides support for the non-architectural CPU PMUs present on
265 the Apple M1 SoCs and derivatives.
266
267config ALIBABA_UNCORE_DRW_PMU
268 tristate "Alibaba T-Head Yitian 710 DDR Sub-system Driveway PMU driver"
269 depends on (ARM64 && ACPI) || COMPILE_TEST
270 help
271 Support for Driveway PMU events monitoring on Yitian 710 DDR
272 Sub-system.
273
274source "drivers/perf/hisilicon/Kconfig"
275
276config MARVELL_CN10K_DDR_PMU
277 tristate "Enable MARVELL CN10K DRAM Subsystem(DSS) PMU Support"
278 depends on ARCH_THUNDER || (COMPILE_TEST && 64BIT)
279 help
280 Enable perf support for Marvell DDR Performance monitoring
281 event on CN10K platform.
282
283config DWC_PCIE_PMU
284 tristate "Synopsys DesignWare PCIe PMU"
285 depends on PCI
286 help
287 Enable perf support for Synopsys DesignWare PCIe PMU Performance
288 monitoring event on platform including the Alibaba Yitian 710.
289
290source "drivers/perf/arm_cspmu/Kconfig"
291
292source "drivers/perf/amlogic/Kconfig"
293
294config CXL_PMU
295 tristate "CXL Performance Monitoring Unit"
296 depends on CXL_BUS
297 help
298 Support performance monitoring as defined in CXL rev 3.0
299 section 13.2: Performance Monitoring. CXL components may have
300 one or more CXL Performance Monitoring Units (CPMUs).
301
302 Say 'y/m' to enable a driver that will attach to performance
303 monitoring units and provide standard perf based interfaces.
304
305 If unsure say 'm'.
306
307config MARVELL_PEM_PMU
308 tristate "MARVELL PEM PMU Support"
309 depends on ARCH_THUNDER || (COMPILE_TEST && 64BIT)
310 help
311 Enable support for PCIe Interface performance monitoring
312 on Marvell platform.
313
314endmenu