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