perf/util/cpumap.h

1 /* SPDX-License-Identifier: GPL-2.0 */
9 /** Identify where counts are aggregated, -1 implies not to aggregate. */
13 	/** The numa node X as read from /sys/devices/system/node/nodeX. */
16 	 * The socket number as read from
17 	 * /sys/devices/system/cpu/cpuX/topology/physical_package_id.
20 	/** The die id as read from /sys/devices/system/cpu/cpuX/topology/die_id. */
22 	/** The cluster id as read from /sys/devices/system/cpu/cpuX/topology/cluster_id */
24 	/** The cache level as read from /sys/devices/system/cpu/cpuX/cache/indexY/level */
27 	 * The cache instance ID, which is the first CPU in the
28 	 * /sys/devices/system/cpu/cpuX/cache/indexY/shared_cpu_list
31 	/** The core id as read from /sys/devices/system/cpu/cpuX/topology/core_id. */
33 	/** CPU aggregation, note there is one CPU for each SMT thread. */
34 	struct perf_cpu cpu;  member
46 	for ((idx) = 0; (idx) < aggr_map->nr; (idx)++)
67 …* cpu_map__is_dummy - Events associated with a pid, rather than a CPU, use a single dummy map with…
71 	return perf_cpu_map__nr(cpus) == 1 && perf_cpu_map__cpu(cpus, 0).cpu == -1;  in cpu_map__is_dummy()
75  * cpu__get_node - Returns the numa node X as read from
76  * /sys/devices/system/node/nodeX for the given CPU.
78 int cpu__get_node(struct perf_cpu cpu);
80  * cpu__get_socket_id - Returns the socket number as read from
81  * /sys/devices/system/cpu/cpuX/topology/physical_package_id for the given CPU.
83 int cpu__get_socket_id(struct perf_cpu cpu);
85  * cpu__get_die_id - Returns the die id as read from
86  * /sys/devices/system/cpu/cpuX/topology/die_id for the given CPU.
88 int cpu__get_die_id(struct perf_cpu cpu);
90  * cpu__get_cluster_id - Returns the cluster id as read from
91  * /sys/devices/system/cpu/cpuX/topology/cluster_id for the given CPU
93 int cpu__get_cluster_id(struct perf_cpu cpu);
95  * cpu__get_core_id - Returns the core id as read from
96  * /sys/devices/system/cpu/cpuX/topology/core_id for the given CPU.
98 int cpu__get_core_id(struct perf_cpu cpu);
101  * cpu_aggr_map__empty_new - Create a cpu_aggr_map of size nr with every entry
106 typedef struct aggr_cpu_id (*aggr_cpu_id_get_t)(struct perf_cpu cpu, void *data);
109  * cpu_aggr_map__new - Create a cpu_aggr_map with an aggr_cpu_id for each cpu in
123  * aggr_cpu_id__socket - Create an aggr_cpu_id with the socket populated with
124  * the socket for cpu. The function signature is compatible with
127 struct aggr_cpu_id aggr_cpu_id__socket(struct perf_cpu cpu, void *data);
129  * aggr_cpu_id__die - Create an aggr_cpu_id with the die and socket populated
130  * with the die and socket for cpu. The function signature is compatible with
133 struct aggr_cpu_id aggr_cpu_id__die(struct perf_cpu cpu, void *data);
135  * aggr_cpu_id__cluster - Create an aggr_cpu_id with cluster, die and socket
136  * populated with the cluster, die and socket for cpu. The function signature
139 struct aggr_cpu_id aggr_cpu_id__cluster(struct perf_cpu cpu, void *data);
141  * aggr_cpu_id__core - Create an aggr_cpu_id with the core, cluster, die and
142  * socket populated with the core, die and socket for cpu. The function
145 struct aggr_cpu_id aggr_cpu_id__core(struct perf_cpu cpu, void *data);
147  * aggr_cpu_id__core - Create an aggr_cpu_id with the cpu, core, die and socket
148  * populated with the cpu, core, die and socket for cpu. The function signature
151 struct aggr_cpu_id aggr_cpu_id__cpu(struct perf_cpu cpu, void *data);
153  * aggr_cpu_id__node - Create an aggr_cpu_id with the numa node populated for
154  * cpu. The function signature is compatible with aggr_cpu_id_get_t.
156 struct aggr_cpu_id aggr_cpu_id__node(struct perf_cpu cpu, void *data);
158  * aggr_cpu_id__global - Create an aggr_cpu_id for global aggregation.
161 struct aggr_cpu_id aggr_cpu_id__global(struct perf_cpu cpu, void *data);