1 /* SPDX-License-Identifier: GPL-2.0 */ 1
2 #ifndef __PERF_CPUMAP_H
3 #define __PERF_CPUMAP_H
4
5 #include <stdbool.h>
6 #include <stdio.h>
7 #include <perf/cpumap.h>
8
9 /** Identify where counts are aggregated, -1 i
10 struct aggr_cpu_id {
11 /** A value in the range 0 to number o
12 int thread_idx;
13 /** The numa node X as read from /sys/
14 int node;
15 /**
16 * The socket number as read from
17 * /sys/devices/system/cpu/cpuX/topolo
18 */
19 int socket;
20 /** The die id as read from /sys/devic
21 int die;
22 /** The cluster id as read from /sys/d
23 int cluster;
24 /** The cache level as read from /sys/
25 int cache_lvl;
26 /**
27 * The cache instance ID, which is the
28 * /sys/devices/system/cpu/cpuX/cache/
29 */
30 int cache;
31 /** The core id as read from /sys/devi
32 int core;
33 /** CPU aggregation, note there is one
34 struct perf_cpu cpu;
35 };
36
37 /** A collection of aggr_cpu_id values, the "b
38 struct cpu_aggr_map {
39 /** Number of valid entries. */
40 int nr;
41 /** The entries. */
42 struct aggr_cpu_id map[];
43 };
44
45 #define cpu_aggr_map__for_each_idx(idx, aggr_m
46 for ((idx) = 0; (idx) < aggr_map->nr;
47
48 struct perf_record_cpu_map_data;
49
50 bool perf_record_cpu_map_data__test_bit(int i,
51
52 struct perf_cpu_map *perf_cpu_map__empty_new(i
53
54 struct perf_cpu_map *cpu_map__new_data(const s
55 size_t cpu_map__snprint(struct perf_cpu_map *m
56 size_t cpu_map__snprint_mask(struct perf_cpu_m
57 size_t cpu_map__fprintf(struct perf_cpu_map *m
58 struct perf_cpu_map *cpu_map__online(void); /*
59
60 int cpu__setup_cpunode_map(void);
61
62 int cpu__max_node(void);
63 struct perf_cpu cpu__max_cpu(void);
64 struct perf_cpu cpu__max_present_cpu(void);
65
66 /**
67 * cpu_map__is_dummy - Events associated with
68 */
69 static inline bool cpu_map__is_dummy(const str
70 {
71 return perf_cpu_map__nr(cpus) == 1 &&
72 }
73
74 /**
75 * cpu__get_node - Returns the numa node X as
76 * /sys/devices/system/node/nodeX for the give
77 */
78 int cpu__get_node(struct perf_cpu cpu);
79 /**
80 * cpu__get_socket_id - Returns the socket num
81 * /sys/devices/system/cpu/cpuX/topology/physi
82 */
83 int cpu__get_socket_id(struct perf_cpu cpu);
84 /**
85 * cpu__get_die_id - Returns the die id as rea
86 * /sys/devices/system/cpu/cpuX/topology/die_i
87 */
88 int cpu__get_die_id(struct perf_cpu cpu);
89 /**
90 * cpu__get_cluster_id - Returns the cluster i
91 * /sys/devices/system/cpu/cpuX/topology/clust
92 */
93 int cpu__get_cluster_id(struct perf_cpu cpu);
94 /**
95 * cpu__get_core_id - Returns the core id as r
96 * /sys/devices/system/cpu/cpuX/topology/core_
97 */
98 int cpu__get_core_id(struct perf_cpu cpu);
99
100 /**
101 * cpu_aggr_map__empty_new - Create a cpu_aggr
102 * being empty.
103 */
104 struct cpu_aggr_map *cpu_aggr_map__empty_new(i
105
106 typedef struct aggr_cpu_id (*aggr_cpu_id_get_t
107
108 /**
109 * cpu_aggr_map__new - Create a cpu_aggr_map w
110 * cpus. The aggr_cpu_id is created with 'get_
111 * passed to it. The cpu_aggr_map is sorted wi
112 */
113 struct cpu_aggr_map *cpu_aggr_map__new(const s
114 aggr_cp
115 void *d
116
117 bool aggr_cpu_id__equal(const struct aggr_cpu_
118 bool aggr_cpu_id__is_empty(const struct aggr_c
119 struct aggr_cpu_id aggr_cpu_id__empty(void);
120
121
122 /**
123 * aggr_cpu_id__socket - Create an aggr_cpu_id
124 * the socket for cpu. The function signature
125 * aggr_cpu_id_get_t.
126 */
127 struct aggr_cpu_id aggr_cpu_id__socket(struct
128 /**
129 * aggr_cpu_id__die - Create an aggr_cpu_id wi
130 * with the die and socket for cpu. The functi
131 * aggr_cpu_id_get_t.
132 */
133 struct aggr_cpu_id aggr_cpu_id__die(struct per
134 /**
135 * aggr_cpu_id__cluster - Create an aggr_cpu_i
136 * populated with the cluster, die and socket
137 * is compatible with aggr_cpu_id_get_t.
138 */
139 struct aggr_cpu_id aggr_cpu_id__cluster(struct
140 /**
141 * aggr_cpu_id__core - Create an aggr_cpu_id w
142 * socket populated with the core, die and soc
143 * signature is compatible with aggr_cpu_id_ge
144 */
145 struct aggr_cpu_id aggr_cpu_id__core(struct pe
146 /**
147 * aggr_cpu_id__core - Create an aggr_cpu_id w
148 * populated with the cpu, core, die and socke
149 * is compatible with aggr_cpu_id_get_t.
150 */
151 struct aggr_cpu_id aggr_cpu_id__cpu(struct per
152 /**
153 * aggr_cpu_id__node - Create an aggr_cpu_id w
154 * cpu. The function signature is compatible w
155 */
156 struct aggr_cpu_id aggr_cpu_id__node(struct pe
157 /**
158 * aggr_cpu_id__global - Create an aggr_cpu_id
159 * The function signature is compatible with a
160 */
161 struct aggr_cpu_id aggr_cpu_id__global(struct
162 #endif /* __PERF_CPUMAP_H */
163
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