diff options
Diffstat (limited to 'tools/perf/util/cpumap.h')
| -rw-r--r-- | tools/perf/util/cpumap.h | 179 |
1 files changed, 146 insertions, 33 deletions
diff --git a/tools/perf/util/cpumap.h b/tools/perf/util/cpumap.h index 9bed02e5fb3d..ee0f6139b04a 100644 --- a/tools/perf/util/cpumap.h +++ b/tools/perf/util/cpumap.h @@ -1,49 +1,162 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __PERF_CPUMAP_H #define __PERF_CPUMAP_H -#include <stdio.h> #include <stdbool.h> +#include <stdio.h> +#include <perf/cpumap.h> + +/** Identify where counts are aggregated, -1 implies not to aggregate. */ +struct aggr_cpu_id { + /** A value in the range 0 to number of threads. */ + int thread_idx; + /** The numa node X as read from /sys/devices/system/node/nodeX. */ + int node; + /** + * The socket number as read from + * /sys/devices/system/cpu/cpuX/topology/physical_package_id. + */ + int socket; + /** The die id as read from /sys/devices/system/cpu/cpuX/topology/die_id. */ + int die; + /** The cluster id as read from /sys/devices/system/cpu/cpuX/topology/cluster_id */ + int cluster; + /** The cache level as read from /sys/devices/system/cpu/cpuX/cache/indexY/level */ + int cache_lvl; + /** + * The cache instance ID, which is the first CPU in the + * /sys/devices/system/cpu/cpuX/cache/indexY/shared_cpu_list + */ + int cache; + /** The core id as read from /sys/devices/system/cpu/cpuX/topology/core_id. */ + int core; + /** CPU aggregation, note there is one CPU for each SMT thread. */ + struct perf_cpu cpu; +}; -struct cpu_map { +/** A collection of aggr_cpu_id values, the "built" version is sorted and uniqued. */ +struct cpu_aggr_map { + /** Number of valid entries. */ int nr; - int map[]; + /** The entries. */ + struct aggr_cpu_id map[]; }; -struct cpu_map *cpu_map__new(const char *cpu_list); -struct cpu_map *cpu_map__dummy_new(void); -void cpu_map__delete(struct cpu_map *map); -struct cpu_map *cpu_map__read(FILE *file); -size_t cpu_map__fprintf(struct cpu_map *map, FILE *fp); -int cpu_map__get_socket(struct cpu_map *map, int idx); -int cpu_map__get_core(struct cpu_map *map, int idx); -int cpu_map__build_socket_map(struct cpu_map *cpus, struct cpu_map **sockp); -int cpu_map__build_core_map(struct cpu_map *cpus, struct cpu_map **corep); - -static inline int cpu_map__socket(struct cpu_map *sock, int s) -{ - if (!sock || s > sock->nr || s < 0) - return 0; - return sock->map[s]; -} +#define cpu_aggr_map__for_each_idx(idx, aggr_map) \ + for ((idx) = 0; (idx) < aggr_map->nr; (idx)++) -static inline int cpu_map__id_to_socket(int id) -{ - return id >> 16; -} +struct perf_record_cpu_map_data; -static inline int cpu_map__id_to_cpu(int id) -{ - return id & 0xffff; -} +bool perf_record_cpu_map_data__test_bit(int i, const struct perf_record_cpu_map_data *data); -static inline int cpu_map__nr(const struct cpu_map *map) -{ - return map ? map->nr : 1; -} +struct perf_cpu_map *perf_cpu_map__empty_new(int nr); + +struct perf_cpu_map *cpu_map__new_data(const struct perf_record_cpu_map_data *data); +size_t cpu_map__snprint(struct perf_cpu_map *map, char *buf, size_t size); +size_t cpu_map__snprint_mask(struct perf_cpu_map *map, char *buf, size_t size); +size_t cpu_map__fprintf(struct perf_cpu_map *map, FILE *fp); +struct perf_cpu_map *cpu_map__online(void); /* thread unsafe */ + +int cpu__setup_cpunode_map(void); -static inline bool cpu_map__all(const struct cpu_map *map) +int cpu__max_node(void); +struct perf_cpu cpu__max_cpu(void); +struct perf_cpu cpu__max_present_cpu(void); + +/** + * cpu_map__is_dummy - Events associated with a pid, rather than a CPU, use a single dummy map with an entry of -1. + */ +static inline bool cpu_map__is_dummy(const struct perf_cpu_map *cpus) { - return map ? map->map[0] == -1 : true; + return perf_cpu_map__nr(cpus) == 1 && perf_cpu_map__cpu(cpus, 0).cpu == -1; } +/** + * cpu__get_node - Returns the numa node X as read from + * /sys/devices/system/node/nodeX for the given CPU. + */ +int cpu__get_node(struct perf_cpu cpu); +/** + * cpu__get_socket_id - Returns the socket number as read from + * /sys/devices/system/cpu/cpuX/topology/physical_package_id for the given CPU. + */ +int cpu__get_socket_id(struct perf_cpu cpu); +/** + * cpu__get_die_id - Returns the die id as read from + * /sys/devices/system/cpu/cpuX/topology/die_id for the given CPU. + */ +int cpu__get_die_id(struct perf_cpu cpu); +/** + * cpu__get_cluster_id - Returns the cluster id as read from + * /sys/devices/system/cpu/cpuX/topology/cluster_id for the given CPU + */ +int cpu__get_cluster_id(struct perf_cpu cpu); +/** + * cpu__get_core_id - Returns the core id as read from + * /sys/devices/system/cpu/cpuX/topology/core_id for the given CPU. + */ +int cpu__get_core_id(struct perf_cpu cpu); + +/** + * cpu_aggr_map__empty_new - Create a cpu_aggr_map of size nr with every entry + * being empty. + */ +struct cpu_aggr_map *cpu_aggr_map__empty_new(int nr); + +typedef struct aggr_cpu_id (*aggr_cpu_id_get_t)(struct perf_cpu cpu, void *data); + +/** + * cpu_aggr_map__new - Create a cpu_aggr_map with an aggr_cpu_id for each cpu in + * cpus. The aggr_cpu_id is created with 'get_id' that may have a data value + * passed to it. The cpu_aggr_map is sorted with duplicate values removed. + */ +struct cpu_aggr_map *cpu_aggr_map__new(const struct perf_cpu_map *cpus, + aggr_cpu_id_get_t get_id, + void *data, bool needs_sort); + +bool aggr_cpu_id__equal(const struct aggr_cpu_id *a, const struct aggr_cpu_id *b); +bool aggr_cpu_id__is_empty(const struct aggr_cpu_id *a); +struct aggr_cpu_id aggr_cpu_id__empty(void); + + +/** + * aggr_cpu_id__socket - Create an aggr_cpu_id with the socket populated with + * the socket for cpu. The function signature is compatible with + * aggr_cpu_id_get_t. + */ +struct aggr_cpu_id aggr_cpu_id__socket(struct perf_cpu cpu, void *data); +/** + * aggr_cpu_id__die - Create an aggr_cpu_id with the die and socket populated + * with the die and socket for cpu. The function signature is compatible with + * aggr_cpu_id_get_t. + */ +struct aggr_cpu_id aggr_cpu_id__die(struct perf_cpu cpu, void *data); +/** + * aggr_cpu_id__cluster - Create an aggr_cpu_id with cluster, die and socket + * populated with the cluster, die and socket for cpu. The function signature + * is compatible with aggr_cpu_id_get_t. + */ +struct aggr_cpu_id aggr_cpu_id__cluster(struct perf_cpu cpu, void *data); +/** + * aggr_cpu_id__core - Create an aggr_cpu_id with the core, cluster, die and + * socket populated with the core, die and socket for cpu. The function + * signature is compatible with aggr_cpu_id_get_t. + */ +struct aggr_cpu_id aggr_cpu_id__core(struct perf_cpu cpu, void *data); +/** + * aggr_cpu_id__core - Create an aggr_cpu_id with the cpu, core, die and socket + * populated with the cpu, core, die and socket for cpu. The function signature + * is compatible with aggr_cpu_id_get_t. + */ +struct aggr_cpu_id aggr_cpu_id__cpu(struct perf_cpu cpu, void *data); +/** + * aggr_cpu_id__node - Create an aggr_cpu_id with the numa node populated for + * cpu. The function signature is compatible with aggr_cpu_id_get_t. + */ +struct aggr_cpu_id aggr_cpu_id__node(struct perf_cpu cpu, void *data); +/** + * aggr_cpu_id__global - Create an aggr_cpu_id for global aggregation. + * The function signature is compatible with aggr_cpu_id_get_t. + */ +struct aggr_cpu_id aggr_cpu_id__global(struct perf_cpu cpu, void *data); #endif /* __PERF_CPUMAP_H */ |
