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