blob: 969e5920a00e4d2e0c145e01ea9d78e4624ce4f4 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __PERF_CPUTOPO_H
#define __PERF_CPUTOPO_H
#include <linux/types.h>
struct cpu_topology {
/* The number of unique package_cpus_lists below. */
u32 package_cpus_lists;
/* The number of unique die_cpu_lists below. */
u32 die_cpus_lists;
/* The number of unique core_cpu_lists below. */
u32 core_cpus_lists;
/*
* An array of strings where each string is unique and read from
* /sys/devices/system/cpu/cpuX/topology/package_cpus_list. From the ABI
* each of these is a human-readable list of CPUs sharing the same
* physical_package_id. The format is like 0-3, 8-11, 14,17.
*/
const char **package_cpus_list;
/*
* An array of string where each string is unique and from
* /sys/devices/system/cpu/cpuX/topology/die_cpus_list. From the ABI
* each of these is a human-readable list of CPUs within the same die.
* The format is like 0-3, 8-11, 14,17.
*/
const char **die_cpus_list;
/*
* An array of string where each string is unique and from
* /sys/devices/system/cpu/cpuX/topology/core_cpus_list. From the ABI
* each of these is a human-readable list of CPUs within the same
* core. The format is like 0-3, 8-11, 14,17.
*/
const char **core_cpus_list;
};
struct numa_topology_node {
char *cpus;
u32 node;
u64 mem_total;
u64 mem_free;
};
struct numa_topology {
u32 nr;
struct numa_topology_node nodes[];
};
struct hybrid_topology_node {
char *pmu_name;
char *cpus;
};
struct hybrid_topology {
u32 nr;
struct hybrid_topology_node nodes[];
};
struct cpu_topology *cpu_topology__new(void);
void cpu_topology__delete(struct cpu_topology *tp);
/* Determine from the core list whether SMT was enabled. */
bool cpu_topology__smt_on(const struct cpu_topology *topology);
/* Are the sets of SMT siblings all enabled or all disabled in user_requested_cpus. */
bool cpu_topology__core_wide(const struct cpu_topology *topology,
const char *user_requested_cpu_list);
struct numa_topology *numa_topology__new(void);
void numa_topology__delete(struct numa_topology *tp);
struct hybrid_topology *hybrid_topology__new(void);
void hybrid_topology__delete(struct hybrid_topology *tp);
#endif /* __PERF_CPUTOPO_H */
|
