/** 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;
};
/** A collection of aggr_cpu_id values, the "built" version is sorted and uniqued. */ struct cpu_aggr_map { /** Number of valid entries. */ int nr; /** The entries. */ struct aggr_cpu_id 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.
*/ staticinlinebool cpu_map__is_dummy(conststruct perf_cpu_map *cpus)
{ 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);
/** * 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(conststruct perf_cpu_map *cpus,
aggr_cpu_id_get_t get_id, void *data, bool needs_sort);
/** * 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 */
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