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1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __PERF_ENV_H
3#define __PERF_ENV_H
4
5#include <linux/types.h>
6#include "cpumap.h"
7
8struct cpu_topology_map {
9 int socket_id;
10 int core_id;
11};
12
13struct cpu_cache_level {
14 u32 level;
15 u32 line_size;
16 u32 sets;
17 u32 ways;
18 char *type;
19 char *size;
20 char *map;
21};
22
23struct numa_node {
24 u32 node;
25 u64 mem_total;
26 u64 mem_free;
27 struct cpu_map *map;
28};
29
30struct memory_node {
31 u64 node;
32 u64 size;
33 unsigned long *set;
34};
35
36struct perf_env {
37 char *hostname;
38 char *os_release;
39 char *version;
40 char *arch;
41 int nr_cpus_online;
42 int nr_cpus_avail;
43 char *cpu_desc;
44 char *cpuid;
45 unsigned long long total_mem;
46 unsigned int msr_pmu_type;
47
48 int nr_cmdline;
49 int nr_sibling_cores;
50 int nr_sibling_threads;
51 int nr_numa_nodes;
52 int nr_memory_nodes;
53 int nr_pmu_mappings;
54 int nr_groups;
55 char *cmdline;
56 const char **cmdline_argv;
57 char *sibling_cores;
58 char *sibling_threads;
59 char *pmu_mappings;
60 struct cpu_topology_map *cpu;
61 struct cpu_cache_level *caches;
62 int caches_cnt;
63 struct numa_node *numa_nodes;
64 struct memory_node *memory_nodes;
65 unsigned long long memory_bsize;
66};
67
68extern struct perf_env perf_env;
69
70void perf_env__exit(struct perf_env *env);
71
72int perf_env__set_cmdline(struct perf_env *env, int argc, const char *argv[]);
73
74int perf_env__read_cpu_topology_map(struct perf_env *env);
75
76void cpu_cache_level__free(struct cpu_cache_level *cache);
77
78const char *perf_env__arch(struct perf_env *env);
79#endif /* __PERF_ENV_H */
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __PERF_ENV_H
3#define __PERF_ENV_H
4
5#include <linux/types.h>
6#include <linux/rbtree.h>
7#include "rwsem.h"
8
9struct perf_cpu_map;
10
11struct cpu_topology_map {
12 int socket_id;
13 int die_id;
14 int core_id;
15};
16
17struct cpu_cache_level {
18 u32 level;
19 u32 line_size;
20 u32 sets;
21 u32 ways;
22 char *type;
23 char *size;
24 char *map;
25};
26
27struct numa_node {
28 u32 node;
29 u64 mem_total;
30 u64 mem_free;
31 struct perf_cpu_map *map;
32};
33
34struct memory_node {
35 u64 node;
36 u64 size;
37 unsigned long *set;
38};
39
40struct perf_env {
41 char *hostname;
42 char *os_release;
43 char *version;
44 char *arch;
45 int nr_cpus_online;
46 int nr_cpus_avail;
47 char *cpu_desc;
48 char *cpuid;
49 unsigned long long total_mem;
50 unsigned int msr_pmu_type;
51 unsigned int max_branches;
52
53 int nr_cmdline;
54 int nr_sibling_cores;
55 int nr_sibling_dies;
56 int nr_sibling_threads;
57 int nr_numa_nodes;
58 int nr_memory_nodes;
59 int nr_pmu_mappings;
60 int nr_groups;
61 int nr_cpu_pmu_caps;
62 char *cmdline;
63 const char **cmdline_argv;
64 char *sibling_cores;
65 char *sibling_dies;
66 char *sibling_threads;
67 char *pmu_mappings;
68 char *cpu_pmu_caps;
69 struct cpu_topology_map *cpu;
70 struct cpu_cache_level *caches;
71 int caches_cnt;
72 u32 comp_ratio;
73 u32 comp_ver;
74 u32 comp_type;
75 u32 comp_level;
76 u32 comp_mmap_len;
77 struct numa_node *numa_nodes;
78 struct memory_node *memory_nodes;
79 unsigned long long memory_bsize;
80
81 /*
82 * bpf_info_lock protects bpf rbtrees. This is needed because the
83 * trees are accessed by different threads in perf-top
84 */
85 struct {
86 struct rw_semaphore lock;
87 struct rb_root infos;
88 u32 infos_cnt;
89 struct rb_root btfs;
90 u32 btfs_cnt;
91 } bpf_progs;
92
93 /* same reason as above (for perf-top) */
94 struct {
95 struct rw_semaphore lock;
96 struct rb_root tree;
97 } cgroups;
98
99 /* For fast cpu to numa node lookup via perf_env__numa_node */
100 int *numa_map;
101 int nr_numa_map;
102
103 /* For real clock time reference. */
104 struct {
105 u64 tod_ns;
106 u64 clockid_ns;
107 u64 clockid_res_ns;
108 int clockid;
109 /*
110 * enabled is valid for report mode, and is true if above
111 * values are set, it's set in process_clock_data
112 */
113 bool enabled;
114 } clock;
115};
116
117enum perf_compress_type {
118 PERF_COMP_NONE = 0,
119 PERF_COMP_ZSTD,
120 PERF_COMP_MAX
121};
122
123struct bpf_prog_info_node;
124struct btf_node;
125
126extern struct perf_env perf_env;
127
128void perf_env__exit(struct perf_env *env);
129
130int perf_env__set_cmdline(struct perf_env *env, int argc, const char *argv[]);
131
132int perf_env__read_cpuid(struct perf_env *env);
133int perf_env__read_cpu_topology_map(struct perf_env *env);
134
135void cpu_cache_level__free(struct cpu_cache_level *cache);
136
137const char *perf_env__arch(struct perf_env *env);
138const char *perf_env__raw_arch(struct perf_env *env);
139int perf_env__nr_cpus_avail(struct perf_env *env);
140
141void perf_env__init(struct perf_env *env);
142void perf_env__insert_bpf_prog_info(struct perf_env *env,
143 struct bpf_prog_info_node *info_node);
144struct bpf_prog_info_node *perf_env__find_bpf_prog_info(struct perf_env *env,
145 __u32 prog_id);
146void perf_env__insert_btf(struct perf_env *env, struct btf_node *btf_node);
147struct btf_node *perf_env__find_btf(struct perf_env *env, __u32 btf_id);
148
149int perf_env__numa_node(struct perf_env *env, int cpu);
150#endif /* __PERF_ENV_H */