1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __PERF_CPUTOPO_H
3 #define __PERF_CPUTOPO_H
5 #include <linux/types.h>
8 /* The number of unique package_cpus_lists below. */
9 u32 package_cpus_lists;
10 /* The number of unique die_cpu_lists below. */
12 /* The number of unique core_cpu_lists below. */
15 * An array of strings where each string is unique and read from
16 * /sys/devices/system/cpu/cpuX/topology/package_cpus_list. From the ABI
17 * each of these is a human-readable list of CPUs sharing the same
18 * physical_package_id. The format is like 0-3, 8-11, 14,17.
20 const char **package_cpus_list;
22 * An array of string where each string is unique and from
23 * /sys/devices/system/cpu/cpuX/topology/die_cpus_list. From the ABI
24 * each of these is a human-readable list of CPUs within the same die.
25 * The format is like 0-3, 8-11, 14,17.
27 const char **die_cpus_list;
29 * An array of string where each string is unique and from
30 * /sys/devices/system/cpu/cpuX/topology/core_cpus_list. From the ABI
31 * each of these is a human-readable list of CPUs within the same
32 * core. The format is like 0-3, 8-11, 14,17.
34 const char **core_cpus_list;
37 struct numa_topology_node {
44 struct numa_topology {
46 struct numa_topology_node nodes[];
49 struct hybrid_topology_node {
54 struct hybrid_topology {
56 struct hybrid_topology_node nodes[];
59 struct cpu_topology *cpu_topology__new(void);
60 void cpu_topology__delete(struct cpu_topology *tp);
62 struct numa_topology *numa_topology__new(void);
63 void numa_topology__delete(struct numa_topology *tp);
65 struct hybrid_topology *hybrid_topology__new(void);
66 void hybrid_topology__delete(struct hybrid_topology *tp);
68 #endif /* __PERF_CPUTOPO_H */