1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 2a12b51c4SPaul Mackerras #ifndef __PERF_CPUMAP_H 3a12b51c4SPaul Mackerras #define __PERF_CPUMAP_H 4a12b51c4SPaul Mackerras 537be5858SArnaldo Carvalho de Melo #include <stdbool.h> 69ae7d335SArnaldo Carvalho de Melo #include <stdio.h> 7959b83c7SJiri Olsa #include <internal/cpumap.h> 8397721e0SJiri Olsa #include <perf/cpumap.h> 99ae7d335SArnaldo Carvalho de Melo 1049679da3SIan Rogers /** Identify where counts are aggregated, -1 implies not to aggregate. */ 11fa265e59SJames Clark struct aggr_cpu_id { 1249679da3SIan Rogers /** A value in the range 0 to number of threads. */ 138d4852b4SJames Clark int thread; 1449679da3SIan Rogers /** The numa node X as read from /sys/devices/system/node/nodeX. */ 15fcd83a35SJames Clark int node; 1649679da3SIan Rogers /** 1749679da3SIan Rogers * The socket number as read from 1849679da3SIan Rogers * /sys/devices/system/cpu/cpuX/topology/physical_package_id. 1949679da3SIan Rogers */ 201a270cb6SJames Clark int socket; 2149679da3SIan Rogers /** The die id as read from /sys/devices/system/cpu/cpuX/topology/die_id. */ 22ba2ee166SJames Clark int die; 2349679da3SIan Rogers /** The core id as read from /sys/devices/system/cpu/cpuX/topology/core_id. */ 24b9933817SJames Clark int core; 2534794913SIan Rogers /** CPU aggregation, note there is one CPU for each SMT thread. */ 266d18804bSIan Rogers struct perf_cpu cpu; 27fa265e59SJames Clark }; 28fa265e59SJames Clark 2992aad5c3SIan Rogers /** A collection of aggr_cpu_id values, the "built" version is sorted and uniqued. */ 30cea6575fSJames Clark struct cpu_aggr_map { 31cea6575fSJames Clark refcount_t refcnt; 3292aad5c3SIan Rogers /** Number of valid entries. */ 33cea6575fSJames Clark int nr; 3492aad5c3SIan Rogers /** The entries. */ 35ff523295SJames Clark struct aggr_cpu_id map[]; 36cea6575fSJames Clark }; 37cea6575fSJames Clark 3872932371SJiri Olsa struct perf_record_cpu_map_data; 397780c25bSDon Zickus 40*b2f10cd4SIan Rogers bool perf_record_cpu_map_data__test_bit(int i, const struct perf_record_cpu_map_data *data); 41*b2f10cd4SIan Rogers 42315c0a1fSJiri Olsa struct perf_cpu_map *perf_cpu_map__empty_new(int nr); 43cea6575fSJames Clark 44*b2f10cd4SIan Rogers struct perf_cpu_map *cpu_map__new_data(const struct perf_record_cpu_map_data *data); 45f854839bSJiri Olsa size_t cpu_map__snprint(struct perf_cpu_map *map, char *buf, size_t size); 46f854839bSJiri Olsa size_t cpu_map__snprint_mask(struct perf_cpu_map *map, char *buf, size_t size); 47f854839bSJiri Olsa size_t cpu_map__fprintf(struct perf_cpu_map *map, FILE *fp); 48f854839bSJiri Olsa const struct perf_cpu_map *cpu_map__online(void); /* thread unsafe */ 495ac59a8aSStephane Eranian 507780c25bSDon Zickus int cpu__setup_cpunode_map(void); 517780c25bSDon Zickus 525ac76283SArnaldo Carvalho de Melo int cpu__max_node(void); 536d18804bSIan Rogers struct perf_cpu cpu__max_cpu(void); 546d18804bSIan Rogers struct perf_cpu cpu__max_present_cpu(void); 5537be5858SArnaldo Carvalho de Melo 5637be5858SArnaldo Carvalho de Melo /** 5737be5858SArnaldo Carvalho de Melo * cpu_map__is_dummy - Events associated with a pid, rather than a CPU, use a single dummy map with an entry of -1. 5837be5858SArnaldo Carvalho de Melo */ 5937be5858SArnaldo Carvalho de Melo static inline bool cpu_map__is_dummy(struct perf_cpu_map *cpus) 6037be5858SArnaldo Carvalho de Melo { 6144028699SIan Rogers return perf_cpu_map__nr(cpus) == 1 && perf_cpu_map__cpu(cpus, 0).cpu == -1; 6237be5858SArnaldo Carvalho de Melo } 6337be5858SArnaldo Carvalho de Melo 64194a3a20SIan Rogers /** 65194a3a20SIan Rogers * cpu__get_node - Returns the numa node X as read from 66194a3a20SIan Rogers * /sys/devices/system/node/nodeX for the given CPU. 67194a3a20SIan Rogers */ 686d18804bSIan Rogers int cpu__get_node(struct perf_cpu cpu); 694e90e5ccSIan Rogers /** 704e90e5ccSIan Rogers * cpu__get_socket_id - Returns the socket number as read from 714e90e5ccSIan Rogers * /sys/devices/system/cpu/cpuX/topology/physical_package_id for the given CPU. 724e90e5ccSIan Rogers */ 736d18804bSIan Rogers int cpu__get_socket_id(struct perf_cpu cpu); 744e90e5ccSIan Rogers /** 754e90e5ccSIan Rogers * cpu__get_die_id - Returns the die id as read from 764e90e5ccSIan Rogers * /sys/devices/system/cpu/cpuX/topology/die_id for the given CPU. 774e90e5ccSIan Rogers */ 786d18804bSIan Rogers int cpu__get_die_id(struct perf_cpu cpu); 794e90e5ccSIan Rogers /** 804e90e5ccSIan Rogers * cpu__get_core_id - Returns the core id as read from 814e90e5ccSIan Rogers * /sys/devices/system/cpu/cpuX/topology/core_id for the given CPU. 824e90e5ccSIan Rogers */ 836d18804bSIan Rogers int cpu__get_core_id(struct perf_cpu cpu); 844e90e5ccSIan Rogers 8592aad5c3SIan Rogers /** 8692aad5c3SIan Rogers * cpu_aggr_map__empty_new - Create a cpu_aggr_map of size nr with every entry 8792aad5c3SIan Rogers * being empty. 8892aad5c3SIan Rogers */ 8992aad5c3SIan Rogers struct cpu_aggr_map *cpu_aggr_map__empty_new(int nr); 9092aad5c3SIan Rogers 916d18804bSIan Rogers typedef struct aggr_cpu_id (*aggr_cpu_id_get_t)(struct perf_cpu cpu, void *data); 927780c25bSDon Zickus 935f50e15cSIan Rogers /** 945f50e15cSIan Rogers * cpu_aggr_map__new - Create a cpu_aggr_map with an aggr_cpu_id for each cpu in 955f50e15cSIan Rogers * cpus. The aggr_cpu_id is created with 'get_id' that may have a data value 965f50e15cSIan Rogers * passed to it. The cpu_aggr_map is sorted with duplicate values removed. 975f50e15cSIan Rogers */ 985f50e15cSIan Rogers struct cpu_aggr_map *cpu_aggr_map__new(const struct perf_cpu_map *cpus, 995f50e15cSIan Rogers aggr_cpu_id_get_t get_id, 1001fe7a300SJiri Olsa void *data); 101e632aa69SJiri Olsa 1023ac23d19SIan Rogers bool aggr_cpu_id__equal(const struct aggr_cpu_id *a, const struct aggr_cpu_id *b); 10351b826faSIan Rogers bool aggr_cpu_id__is_empty(const struct aggr_cpu_id *a); 10451b826faSIan Rogers struct aggr_cpu_id aggr_cpu_id__empty(void); 105fa265e59SJames Clark 106973aeb3cSIan Rogers 107973aeb3cSIan Rogers /** 108973aeb3cSIan Rogers * aggr_cpu_id__socket - Create an aggr_cpu_id with the socket populated with 109973aeb3cSIan Rogers * the socket for cpu. The function signature is compatible with 110973aeb3cSIan Rogers * aggr_cpu_id_get_t. 111973aeb3cSIan Rogers */ 1126d18804bSIan Rogers struct aggr_cpu_id aggr_cpu_id__socket(struct perf_cpu cpu, void *data); 113973aeb3cSIan Rogers /** 114973aeb3cSIan Rogers * aggr_cpu_id__die - Create an aggr_cpu_id with the die and socket populated 115973aeb3cSIan Rogers * with the die and socket for cpu. The function signature is compatible with 116973aeb3cSIan Rogers * aggr_cpu_id_get_t. 117973aeb3cSIan Rogers */ 1186d18804bSIan Rogers struct aggr_cpu_id aggr_cpu_id__die(struct perf_cpu cpu, void *data); 119973aeb3cSIan Rogers /** 120973aeb3cSIan Rogers * aggr_cpu_id__core - Create an aggr_cpu_id with the core, die and socket 121973aeb3cSIan Rogers * populated with the core, die and socket for cpu. The function signature is 122973aeb3cSIan Rogers * compatible with aggr_cpu_id_get_t. 123973aeb3cSIan Rogers */ 1246d18804bSIan Rogers struct aggr_cpu_id aggr_cpu_id__core(struct perf_cpu cpu, void *data); 125973aeb3cSIan Rogers /** 12634794913SIan Rogers * aggr_cpu_id__core - Create an aggr_cpu_id with the cpu, core, die and socket 12734794913SIan Rogers * populated with the cpu, core, die and socket for cpu. The function signature 12834794913SIan Rogers * is compatible with aggr_cpu_id_get_t. 12934794913SIan Rogers */ 1306d18804bSIan Rogers struct aggr_cpu_id aggr_cpu_id__cpu(struct perf_cpu cpu, void *data); 13134794913SIan Rogers /** 132973aeb3cSIan Rogers * aggr_cpu_id__node - Create an aggr_cpu_id with the numa node populated for 133973aeb3cSIan Rogers * cpu. The function signature is compatible with aggr_cpu_id_get_t. 134973aeb3cSIan Rogers */ 1356d18804bSIan Rogers struct aggr_cpu_id aggr_cpu_id__node(struct perf_cpu cpu, void *data); 136973aeb3cSIan Rogers 137a12b51c4SPaul Mackerras #endif /* __PERF_CPUMAP_H */ 138