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, <<
51 <<
52 struct perf_cpu_map *perf_cpu_map__empty_new(i 40 struct perf_cpu_map *perf_cpu_map__empty_new(int nr);
53 41
54 struct perf_cpu_map *cpu_map__new_data(const s !! 42 struct perf_cpu_map *cpu_map__new_data(struct perf_record_cpu_map_data *data);
55 size_t cpu_map__snprint(struct perf_cpu_map *m 43 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 44 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 45 size_t cpu_map__fprintf(struct perf_cpu_map *map, FILE *fp);
58 struct perf_cpu_map *cpu_map__online(void); /* !! 46 const struct perf_cpu_map *cpu_map__online(void); /* thread unsafe */
59 47
60 int cpu__setup_cpunode_map(void); 48 int cpu__setup_cpunode_map(void);
61 49
62 int cpu__max_node(void); 50 int cpu__max_node(void);
63 struct perf_cpu cpu__max_cpu(void); 51 struct perf_cpu cpu__max_cpu(void);
64 struct perf_cpu cpu__max_present_cpu(void); 52 struct perf_cpu cpu__max_present_cpu(void);
65 53
66 /** 54 /**
67 * cpu_map__is_dummy - Events associated with 55 * cpu_map__is_dummy - Events associated with a pid, rather than a CPU, use a single dummy map with an entry of -1.
68 */ 56 */
69 static inline bool cpu_map__is_dummy(const str !! 57 static inline bool cpu_map__is_dummy(struct perf_cpu_map *cpus)
70 { 58 {
71 return perf_cpu_map__nr(cpus) == 1 && 59 return perf_cpu_map__nr(cpus) == 1 && perf_cpu_map__cpu(cpus, 0).cpu == -1;
72 } 60 }
73 61
74 /** 62 /**
75 * cpu__get_node - Returns the numa node X as 63 * cpu__get_node - Returns the numa node X as read from
76 * /sys/devices/system/node/nodeX for the give 64 * /sys/devices/system/node/nodeX for the given CPU.
77 */ 65 */
78 int cpu__get_node(struct perf_cpu cpu); 66 int cpu__get_node(struct perf_cpu cpu);
79 /** 67 /**
80 * cpu__get_socket_id - Returns the socket num 68 * cpu__get_socket_id - Returns the socket number as read from
81 * /sys/devices/system/cpu/cpuX/topology/physi 69 * /sys/devices/system/cpu/cpuX/topology/physical_package_id for the given CPU.
82 */ 70 */
83 int cpu__get_socket_id(struct perf_cpu cpu); 71 int cpu__get_socket_id(struct perf_cpu cpu);
84 /** 72 /**
85 * cpu__get_die_id - Returns the die id as rea 73 * cpu__get_die_id - Returns the die id as read from
86 * /sys/devices/system/cpu/cpuX/topology/die_i 74 * /sys/devices/system/cpu/cpuX/topology/die_id for the given CPU.
87 */ 75 */
88 int cpu__get_die_id(struct perf_cpu cpu); 76 int cpu__get_die_id(struct perf_cpu cpu);
89 /** 77 /**
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 78 * cpu__get_core_id - Returns the core id as read from
96 * /sys/devices/system/cpu/cpuX/topology/core_ 79 * /sys/devices/system/cpu/cpuX/topology/core_id for the given CPU.
97 */ 80 */
98 int cpu__get_core_id(struct perf_cpu cpu); 81 int cpu__get_core_id(struct perf_cpu cpu);
99 82
100 /** 83 /**
101 * cpu_aggr_map__empty_new - Create a cpu_aggr 84 * cpu_aggr_map__empty_new - Create a cpu_aggr_map of size nr with every entry
102 * being empty. 85 * being empty.
103 */ 86 */
104 struct cpu_aggr_map *cpu_aggr_map__empty_new(i 87 struct cpu_aggr_map *cpu_aggr_map__empty_new(int nr);
105 88
106 typedef struct aggr_cpu_id (*aggr_cpu_id_get_t 89 typedef struct aggr_cpu_id (*aggr_cpu_id_get_t)(struct perf_cpu cpu, void *data);
107 90
108 /** 91 /**
109 * cpu_aggr_map__new - Create a cpu_aggr_map w 92 * 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_ 93 * 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 94 * passed to it. The cpu_aggr_map is sorted with duplicate values removed.
112 */ 95 */
113 struct cpu_aggr_map *cpu_aggr_map__new(const s 96 struct cpu_aggr_map *cpu_aggr_map__new(const struct perf_cpu_map *cpus,
114 aggr_cp 97 aggr_cpu_id_get_t get_id,
115 void *d !! 98 void *data);
116 99
117 bool aggr_cpu_id__equal(const struct aggr_cpu_ 100 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 101 bool aggr_cpu_id__is_empty(const struct aggr_cpu_id *a);
119 struct aggr_cpu_id aggr_cpu_id__empty(void); 102 struct aggr_cpu_id aggr_cpu_id__empty(void);
120 103
121 104
122 /** 105 /**
123 * aggr_cpu_id__socket - Create an aggr_cpu_id 106 * aggr_cpu_id__socket - Create an aggr_cpu_id with the socket populated with
124 * the socket for cpu. The function signature 107 * the socket for cpu. The function signature is compatible with
125 * aggr_cpu_id_get_t. 108 * aggr_cpu_id_get_t.
126 */ 109 */
127 struct aggr_cpu_id aggr_cpu_id__socket(struct 110 struct aggr_cpu_id aggr_cpu_id__socket(struct perf_cpu cpu, void *data);
128 /** 111 /**
129 * aggr_cpu_id__die - Create an aggr_cpu_id wi 112 * 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 113 * with the die and socket for cpu. The function signature is compatible with
131 * aggr_cpu_id_get_t. 114 * aggr_cpu_id_get_t.
132 */ 115 */
133 struct aggr_cpu_id aggr_cpu_id__die(struct per 116 struct aggr_cpu_id aggr_cpu_id__die(struct perf_cpu cpu, void *data);
134 /** 117 /**
135 * aggr_cpu_id__cluster - Create an aggr_cpu_i !! 118 * aggr_cpu_id__core - Create an aggr_cpu_id with the core, die and socket
136 * populated with the cluster, die and socket !! 119 * populated with the core, die and socket for cpu. The function signature is
137 * is compatible with aggr_cpu_id_get_t. !! 120 * 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 */ 121 */
145 struct aggr_cpu_id aggr_cpu_id__core(struct pe 122 struct aggr_cpu_id aggr_cpu_id__core(struct perf_cpu cpu, void *data);
146 /** 123 /**
147 * aggr_cpu_id__core - Create an aggr_cpu_id w 124 * 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 125 * populated with the cpu, core, die and socket for cpu. The function signature
149 * is compatible with aggr_cpu_id_get_t. 126 * is compatible with aggr_cpu_id_get_t.
150 */ 127 */
151 struct aggr_cpu_id aggr_cpu_id__cpu(struct per 128 struct aggr_cpu_id aggr_cpu_id__cpu(struct perf_cpu cpu, void *data);
152 /** 129 /**
153 * aggr_cpu_id__node - Create an aggr_cpu_id w 130 * aggr_cpu_id__node - Create an aggr_cpu_id with the numa node populated for
154 * cpu. The function signature is compatible w 131 * cpu. The function signature is compatible with aggr_cpu_id_get_t.
155 */ 132 */
156 struct aggr_cpu_id aggr_cpu_id__node(struct pe 133 struct aggr_cpu_id aggr_cpu_id__node(struct perf_cpu cpu, void *data);
157 /** !! 134
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 */ 135 #endif /* __PERF_CPUMAP_H */
163 136
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