1 What: /sys/bus/event_source/devices/
2 Date: September 2020
3 Contact: Linux on PowerPC Developer Lis<
4 Description: Read-only. Attribute group to
5 that go into perf_event_attr.c
6 (See ABI/testing/sysfs-bus-eve
7
8 Each attribute under this grou
9 perf_event_attr.config. All su
10 below::
11
12 counter_info_v
13 length = "con
14 partition_id
15 request = "con
16 sibling_part_i
17 hw_chip_id = "
18 offset = "conf
19 phys_processor
20 secondary_inde
21 starting_index
22
23 For example::
24
25 processor_core_utilization_i
26 phys_p
27 length
28
29 In this event, '?' after phys_
30 this value will be provided by
31
32 What: /sys/bus/event_source/devices/
33 Date: February 2014
34 Contact: Linux on PowerPC Developer Lis<
35 Description:
36 '0' if the hypervisor is confi
37 counters being accumulated by
38 domain event counters.
39
40 '1' if that access is allowed.
41
42 What: /sys/bus/event_source/devices/
43 Date: February 2014
44 Contact: Linux on PowerPC Developer Lis<
45 Description:
46 0 or 1. Indicates whether we h
47 in arch/powerpc/perf/hv-gpci.h
48
49 What: /sys/bus/event_source/devices/
50 Date: February 2014
51 Contact: Linux on PowerPC Developer Lis<
52 Description:
53 0 or 1. Indicates whether we h
54 in arch/powerpc/perf/hv-gpci.h
55
56 What: /sys/bus/event_source/devices/
57 Date: February 2014
58 Contact: Linux on PowerPC Developer Lis<
59 Description:
60 0 or 1. Indicates whether we h
61 in arch/powerpc/perf/hv-gpci.h
62
63 What: /sys/bus/event_source/devices/
64 Date: February 2014
65 Contact: Linux on PowerPC Developer Lis<
66 Description:
67 A number indicating the versio
68 hypervisor reports supporting.
69
70 What: /sys/bus/event_source/devices/
71 Date: February 2014
72 Contact: Linux on PowerPC Developer Lis<
73 Description:
74 A number indicating the latest
75 that the kernel is aware of.
76
77 What: /sys/devices/hv_gpci/cpumask
78 Date: October 2020
79 Contact: Linux on PowerPC Developer Lis<
80 Description: read only
81 This sysfs file exposes the cp
82 HCALLs to retrieve hv-gpci pmu
83
84 What: /sys/devices/hv_gpci/interface
85 Date: July 2023
86 Contact: Linux on PowerPC Developer Lis<
87 Description: admin read only
88 This sysfs file exposes the sy
89 H_GET_PERF_COUNTER_INFO. The H
90 PROCESSOR_BUS_TOPOLOGY(0xD0).
91
92 * This sysfs file will be crea
93
94 * User needs root privileges t
95
96 * This sysfs file will be crea
97 "H_AUTHORITY" or "H_PARAMETE
98
99 HCALL with return error type
100 runtime by setting "Enable P
101
102 * The end user reading this sy
103 underlying platform/firmware
104
105 Possible error codes while rea
106
107 * "-EPERM" : Partition is not
108 required to set "E
109
110 * "-EIO" : Can't retrieve syst
111 or because of some
112 more information.
113
114 * "-EFBIG" : System informatio
115
116 What: /sys/devices/hv_gpci/interface
117 Date: July 2023
118 Contact: Linux on PowerPC Developer Lis<
119 Description: admin read only
120 This sysfs file exposes the sy
121 H_GET_PERF_COUNTER_INFO. The H
122 PROCESSOR_CONFIG(0x90).
123
124 * This sysfs file will be crea
125
126 * User needs root privileges t
127
128 * This sysfs file will be crea
129 "H_AUTHORITY" or "H_PARAMETE
130
131 HCALL with return error type
132 runtime by setting "Enable P
133
134 * The end user reading this sy
135 underlying platform/firmware
136
137 Possible error codes while rea
138
139 * "-EPERM" : Partition is not
140 required to set "E
141
142 * "-EIO" : Can't retrieve syst
143 or because of some
144 more information.
145
146 * "-EFBIG" : System informatio
147
148 What: /sys/devices/hv_gpci/interface
149 Date: July 2023
150 Contact: Linux on PowerPC Developer Lis<
151 Description: admin read only
152 This sysfs file exposes the sy
153 H_GET_PERF_COUNTER_INFO. The H
154 AFFINITY_DOMAIN_INFORMATION_BY
155
156 * This sysfs file will be crea
157
158 * User needs root privileges t
159
160 * This sysfs file will be crea
161 "H_AUTHORITY" or "H_PARAMETE
162
163 HCALL with return error type
164 runtime by setting "Enable P
165
166 * The end user reading this sy
167 underlying platform/firmware
168
169 Possible error codes while rea
170
171 * "-EPERM" : Partition is not
172 required to set "E
173
174 * "-EIO" : Can't retrieve syst
175 or because of some
176 more information.
177
178 * "-EFBIG" : System informatio
179
180 What: /sys/devices/hv_gpci/interface
181 Date: July 2023
182 Contact: Linux on PowerPC Developer Lis<
183 Description: admin read only
184 This sysfs file exposes the sy
185 H_GET_PERF_COUNTER_INFO. The H
186 AFFINITY_DOMAIN_INFORMATION_BY
187
188 * This sysfs file will be crea
189
190 * User needs root privileges t
191
192 * This sysfs file will be crea
193 "H_AUTHORITY" or "H_PARAMETE
194
195 HCALL with return error type
196 runtime by setting "Enable P
197
198 * The end user reading this sy
199 underlying platform/firmware
200
201 Possible error codes while rea
202
203 * "-EPERM" : Partition is not
204 required to set "E
205
206 * "-EIO" : Can't retrieve syst
207 or because of some
208 more information.
209
210 * "-EFBIG" : System informatio
211
212 What: /sys/devices/hv_gpci/interface
213 Date: July 2023
214 Contact: Linux on PowerPC Developer Lis<
215 Description: admin read only
216 This sysfs file exposes the sy
217 H_GET_PERF_COUNTER_INFO. The H
218 AFFINITY_DOMAIN_INFORMATION_BY
219
220 * This sysfs file will be crea
221
222 * User needs root privileges t
223
224 * This sysfs file will be crea
225 "H_AUTHORITY" or "H_PARAMETE
226
227 HCALL with return error type
228 runtime by setting "Enable P
229
230 * The end user reading this sy
231 underlying platform/firmware
232
233 Possible error codes while rea
234
235 * "-EPERM" : Partition is not
236 required to set "E
237
238 * "-EIO" : Can't retrieve syst
239 or because of some
240 more information.
241
242 * "-EFBIG" : System informatio
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