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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 <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
52 int nr_cmdline;
53 int nr_sibling_cores;
54 int nr_sibling_dies;
55 int nr_sibling_threads;
56 int nr_numa_nodes;
57 int nr_memory_nodes;
58 int nr_pmu_mappings;
59 int nr_groups;
60 char *cmdline;
61 const char **cmdline_argv;
62 char *sibling_cores;
63 char *sibling_dies;
64 char *sibling_threads;
65 char *pmu_mappings;
66 struct cpu_topology_map *cpu;
67 struct cpu_cache_level *caches;
68 int caches_cnt;
69 u32 comp_ratio;
70 u32 comp_ver;
71 u32 comp_type;
72 u32 comp_level;
73 u32 comp_mmap_len;
74 struct numa_node *numa_nodes;
75 struct memory_node *memory_nodes;
76 unsigned long long memory_bsize;
77 u64 clockid_res_ns;
78
79 /*
80 * bpf_info_lock protects bpf rbtrees. This is needed because the
81 * trees are accessed by different threads in perf-top
82 */
83 struct {
84 struct rw_semaphore lock;
85 struct rb_root infos;
86 u32 infos_cnt;
87 struct rb_root btfs;
88 u32 btfs_cnt;
89 } bpf_progs;
90};
91
92enum perf_compress_type {
93 PERF_COMP_NONE = 0,
94 PERF_COMP_ZSTD,
95 PERF_COMP_MAX
96};
97
98struct bpf_prog_info_node;
99struct btf_node;
100
101extern struct perf_env perf_env;
102
103void perf_env__exit(struct perf_env *env);
104
105int perf_env__set_cmdline(struct perf_env *env, int argc, const char *argv[]);
106
107int perf_env__read_cpu_topology_map(struct perf_env *env);
108
109void cpu_cache_level__free(struct cpu_cache_level *cache);
110
111const char *perf_env__arch(struct perf_env *env);
112const char *perf_env__raw_arch(struct perf_env *env);
113int perf_env__nr_cpus_avail(struct perf_env *env);
114
115void perf_env__init(struct perf_env *env);
116void perf_env__insert_bpf_prog_info(struct perf_env *env,
117 struct bpf_prog_info_node *info_node);
118struct bpf_prog_info_node *perf_env__find_bpf_prog_info(struct perf_env *env,
119 __u32 prog_id);
120void perf_env__insert_btf(struct perf_env *env, struct btf_node *btf_node);
121struct btf_node *perf_env__find_btf(struct perf_env *env, __u32 btf_id);
122#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 hybrid_node {
41 char *pmu_name;
42 char *cpus;
43};
44
45struct hybrid_cpc_node {
46 int nr_cpu_pmu_caps;
47 unsigned int max_branches;
48 char *cpu_pmu_caps;
49 char *pmu_name;
50};
51
52struct perf_env {
53 char *hostname;
54 char *os_release;
55 char *version;
56 char *arch;
57 int nr_cpus_online;
58 int nr_cpus_avail;
59 char *cpu_desc;
60 char *cpuid;
61 unsigned long long total_mem;
62 unsigned int msr_pmu_type;
63 unsigned int max_branches;
64
65 int nr_cmdline;
66 int nr_sibling_cores;
67 int nr_sibling_dies;
68 int nr_sibling_threads;
69 int nr_numa_nodes;
70 int nr_memory_nodes;
71 int nr_pmu_mappings;
72 int nr_groups;
73 int nr_cpu_pmu_caps;
74 int nr_hybrid_nodes;
75 int nr_hybrid_cpc_nodes;
76 char *cmdline;
77 const char **cmdline_argv;
78 char *sibling_cores;
79 char *sibling_dies;
80 char *sibling_threads;
81 char *pmu_mappings;
82 char *cpu_pmu_caps;
83 struct cpu_topology_map *cpu;
84 struct cpu_cache_level *caches;
85 int caches_cnt;
86 u32 comp_ratio;
87 u32 comp_ver;
88 u32 comp_type;
89 u32 comp_level;
90 u32 comp_mmap_len;
91 struct numa_node *numa_nodes;
92 struct memory_node *memory_nodes;
93 unsigned long long memory_bsize;
94 struct hybrid_node *hybrid_nodes;
95 struct hybrid_cpc_node *hybrid_cpc_nodes;
96#ifdef HAVE_LIBBPF_SUPPORT
97 /*
98 * bpf_info_lock protects bpf rbtrees. This is needed because the
99 * trees are accessed by different threads in perf-top
100 */
101 struct {
102 struct rw_semaphore lock;
103 struct rb_root infos;
104 u32 infos_cnt;
105 struct rb_root btfs;
106 u32 btfs_cnt;
107 } bpf_progs;
108#endif // HAVE_LIBBPF_SUPPORT
109 /* same reason as above (for perf-top) */
110 struct {
111 struct rw_semaphore lock;
112 struct rb_root tree;
113 } cgroups;
114
115 /* For fast cpu to numa node lookup via perf_env__numa_node */
116 int *numa_map;
117 int nr_numa_map;
118
119 /* For real clock time reference. */
120 struct {
121 u64 tod_ns;
122 u64 clockid_ns;
123 u64 clockid_res_ns;
124 int clockid;
125 /*
126 * enabled is valid for report mode, and is true if above
127 * values are set, it's set in process_clock_data
128 */
129 bool enabled;
130 } clock;
131};
132
133enum perf_compress_type {
134 PERF_COMP_NONE = 0,
135 PERF_COMP_ZSTD,
136 PERF_COMP_MAX
137};
138
139struct bpf_prog_info_node;
140struct btf_node;
141
142extern struct perf_env perf_env;
143
144void perf_env__exit(struct perf_env *env);
145
146int perf_env__set_cmdline(struct perf_env *env, int argc, const char *argv[]);
147
148int perf_env__read_cpuid(struct perf_env *env);
149int perf_env__read_cpu_topology_map(struct perf_env *env);
150
151void cpu_cache_level__free(struct cpu_cache_level *cache);
152
153const char *perf_env__arch(struct perf_env *env);
154const char *perf_env__raw_arch(struct perf_env *env);
155int perf_env__nr_cpus_avail(struct perf_env *env);
156
157void perf_env__init(struct perf_env *env);
158void perf_env__insert_bpf_prog_info(struct perf_env *env,
159 struct bpf_prog_info_node *info_node);
160struct bpf_prog_info_node *perf_env__find_bpf_prog_info(struct perf_env *env,
161 __u32 prog_id);
162void perf_env__insert_btf(struct perf_env *env, struct btf_node *btf_node);
163struct btf_node *perf_env__find_btf(struct perf_env *env, __u32 btf_id);
164
165int perf_env__numa_node(struct perf_env *env, int cpu);
166#endif /* __PERF_ENV_H */