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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 "cpumap.h"
8#include "rwsem.h"
9
10struct perf_cpu_map;
11
12struct cpu_topology_map {
13 int socket_id;
14 int die_id;
15 int core_id;
16};
17
18struct cpu_cache_level {
19 u32 level;
20 u32 line_size;
21 u32 sets;
22 u32 ways;
23 char *type;
24 char *size;
25 char *map;
26};
27
28struct numa_node {
29 u32 node;
30 u64 mem_total;
31 u64 mem_free;
32 struct perf_cpu_map *map;
33};
34
35struct memory_node {
36 u64 node;
37 u64 size;
38 unsigned long *set;
39};
40
41struct hybrid_node {
42 char *pmu_name;
43 char *cpus;
44};
45
46struct pmu_caps {
47 int nr_caps;
48 unsigned int max_branches;
49 unsigned int br_cntr_nr;
50 unsigned int br_cntr_width;
51
52 char **caps;
53 char *pmu_name;
54};
55
56typedef const char *(arch_syscalls__strerrno_t)(int err);
57
58arch_syscalls__strerrno_t *arch_syscalls__strerrno_function(const char *arch);
59
60struct perf_env {
61 char *hostname;
62 char *os_release;
63 char *version;
64 char *arch;
65 int nr_cpus_online;
66 int nr_cpus_avail;
67 char *cpu_desc;
68 char *cpuid;
69 unsigned long long total_mem;
70 unsigned int msr_pmu_type;
71 unsigned int max_branches;
72 unsigned int br_cntr_nr;
73 unsigned int br_cntr_width;
74 int kernel_is_64_bit;
75
76 int nr_cmdline;
77 int nr_sibling_cores;
78 int nr_sibling_dies;
79 int nr_sibling_threads;
80 int nr_numa_nodes;
81 int nr_memory_nodes;
82 int nr_pmu_mappings;
83 int nr_groups;
84 int nr_cpu_pmu_caps;
85 int nr_hybrid_nodes;
86 int nr_pmus_with_caps;
87 char *cmdline;
88 const char **cmdline_argv;
89 char *sibling_cores;
90 char *sibling_dies;
91 char *sibling_threads;
92 char *pmu_mappings;
93 char **cpu_pmu_caps;
94 struct cpu_topology_map *cpu;
95 struct cpu_cache_level *caches;
96 int caches_cnt;
97 u32 comp_ratio;
98 u32 comp_ver;
99 u32 comp_type;
100 u32 comp_level;
101 u32 comp_mmap_len;
102 struct numa_node *numa_nodes;
103 struct memory_node *memory_nodes;
104 unsigned long long memory_bsize;
105 struct hybrid_node *hybrid_nodes;
106 struct pmu_caps *pmu_caps;
107#ifdef HAVE_LIBBPF_SUPPORT
108 /*
109 * bpf_info_lock protects bpf rbtrees. This is needed because the
110 * trees are accessed by different threads in perf-top
111 */
112 struct {
113 struct rw_semaphore lock;
114 struct rb_root infos;
115 u32 infos_cnt;
116 struct rb_root btfs;
117 u32 btfs_cnt;
118 } bpf_progs;
119#endif // HAVE_LIBBPF_SUPPORT
120 /* same reason as above (for perf-top) */
121 struct {
122 struct rw_semaphore lock;
123 struct rb_root tree;
124 } cgroups;
125
126 /* For fast cpu to numa node lookup via perf_env__numa_node */
127 int *numa_map;
128 int nr_numa_map;
129
130 /* For real clock time reference. */
131 struct {
132 u64 tod_ns;
133 u64 clockid_ns;
134 u64 clockid_res_ns;
135 int clockid;
136 /*
137 * enabled is valid for report mode, and is true if above
138 * values are set, it's set in process_clock_data
139 */
140 bool enabled;
141 } clock;
142 arch_syscalls__strerrno_t *arch_strerrno;
143};
144
145enum perf_compress_type {
146 PERF_COMP_NONE = 0,
147 PERF_COMP_ZSTD,
148 PERF_COMP_MAX
149};
150
151struct bpf_prog_info_node;
152struct btf_node;
153
154extern struct perf_env perf_env;
155
156void perf_env__exit(struct perf_env *env);
157
158int perf_env__kernel_is_64_bit(struct perf_env *env);
159
160int perf_env__set_cmdline(struct perf_env *env, int argc, const char *argv[]);
161
162int perf_env__read_cpuid(struct perf_env *env);
163int perf_env__read_pmu_mappings(struct perf_env *env);
164int perf_env__nr_pmu_mappings(struct perf_env *env);
165const char *perf_env__pmu_mappings(struct perf_env *env);
166
167int perf_env__read_cpu_topology_map(struct perf_env *env);
168
169void cpu_cache_level__free(struct cpu_cache_level *cache);
170
171const char *perf_env__arch(struct perf_env *env);
172const char *perf_env__arch_strerrno(struct perf_env *env, int err);
173const char *perf_env__cpuid(struct perf_env *env);
174const char *perf_env__raw_arch(struct perf_env *env);
175int perf_env__nr_cpus_avail(struct perf_env *env);
176
177void perf_env__init(struct perf_env *env);
178void __perf_env__insert_bpf_prog_info(struct perf_env *env,
179 struct bpf_prog_info_node *info_node);
180void perf_env__insert_bpf_prog_info(struct perf_env *env,
181 struct bpf_prog_info_node *info_node);
182struct bpf_prog_info_node *perf_env__find_bpf_prog_info(struct perf_env *env,
183 __u32 prog_id);
184bool perf_env__insert_btf(struct perf_env *env, struct btf_node *btf_node);
185bool __perf_env__insert_btf(struct perf_env *env, struct btf_node *btf_node);
186struct btf_node *perf_env__find_btf(struct perf_env *env, __u32 btf_id);
187struct btf_node *__perf_env__find_btf(struct perf_env *env, __u32 btf_id);
188
189int perf_env__numa_node(struct perf_env *env, struct perf_cpu cpu);
190char *perf_env__find_pmu_cap(struct perf_env *env, const char *pmu_name,
191 const char *cap);
192
193bool perf_env__has_pmu_mapping(struct perf_env *env, const char *pmu_name);
194#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 "cpumap.h"
8#include "rwsem.h"
9
10struct perf_cpu_map;
11
12struct cpu_topology_map {
13 int socket_id;
14 int die_id;
15 int core_id;
16};
17
18struct cpu_cache_level {
19 u32 level;
20 u32 line_size;
21 u32 sets;
22 u32 ways;
23 char *type;
24 char *size;
25 char *map;
26};
27
28struct numa_node {
29 u32 node;
30 u64 mem_total;
31 u64 mem_free;
32 struct perf_cpu_map *map;
33};
34
35struct memory_node {
36 u64 node;
37 u64 size;
38 unsigned long *set;
39};
40
41struct hybrid_node {
42 char *pmu_name;
43 char *cpus;
44};
45
46struct pmu_caps {
47 int nr_caps;
48 unsigned int max_branches;
49 char **caps;
50 char *pmu_name;
51};
52
53struct perf_env {
54 char *hostname;
55 char *os_release;
56 char *version;
57 char *arch;
58 int nr_cpus_online;
59 int nr_cpus_avail;
60 char *cpu_desc;
61 char *cpuid;
62 unsigned long long total_mem;
63 unsigned int msr_pmu_type;
64 unsigned int max_branches;
65 int kernel_is_64_bit;
66
67 int nr_cmdline;
68 int nr_sibling_cores;
69 int nr_sibling_dies;
70 int nr_sibling_threads;
71 int nr_numa_nodes;
72 int nr_memory_nodes;
73 int nr_pmu_mappings;
74 int nr_groups;
75 int nr_cpu_pmu_caps;
76 int nr_hybrid_nodes;
77 int nr_pmus_with_caps;
78 char *cmdline;
79 const char **cmdline_argv;
80 char *sibling_cores;
81 char *sibling_dies;
82 char *sibling_threads;
83 char *pmu_mappings;
84 char **cpu_pmu_caps;
85 struct cpu_topology_map *cpu;
86 struct cpu_cache_level *caches;
87 int caches_cnt;
88 u32 comp_ratio;
89 u32 comp_ver;
90 u32 comp_type;
91 u32 comp_level;
92 u32 comp_mmap_len;
93 struct numa_node *numa_nodes;
94 struct memory_node *memory_nodes;
95 unsigned long long memory_bsize;
96 struct hybrid_node *hybrid_nodes;
97 struct pmu_caps *pmu_caps;
98#ifdef HAVE_LIBBPF_SUPPORT
99 /*
100 * bpf_info_lock protects bpf rbtrees. This is needed because the
101 * trees are accessed by different threads in perf-top
102 */
103 struct {
104 struct rw_semaphore lock;
105 struct rb_root infos;
106 u32 infos_cnt;
107 struct rb_root btfs;
108 u32 btfs_cnt;
109 } bpf_progs;
110#endif // HAVE_LIBBPF_SUPPORT
111 /* same reason as above (for perf-top) */
112 struct {
113 struct rw_semaphore lock;
114 struct rb_root tree;
115 } cgroups;
116
117 /* For fast cpu to numa node lookup via perf_env__numa_node */
118 int *numa_map;
119 int nr_numa_map;
120
121 /* For real clock time reference. */
122 struct {
123 u64 tod_ns;
124 u64 clockid_ns;
125 u64 clockid_res_ns;
126 int clockid;
127 /*
128 * enabled is valid for report mode, and is true if above
129 * values are set, it's set in process_clock_data
130 */
131 bool enabled;
132 } clock;
133};
134
135enum perf_compress_type {
136 PERF_COMP_NONE = 0,
137 PERF_COMP_ZSTD,
138 PERF_COMP_MAX
139};
140
141struct bpf_prog_info_node;
142struct btf_node;
143
144extern struct perf_env perf_env;
145
146void perf_env__exit(struct perf_env *env);
147
148int perf_env__kernel_is_64_bit(struct perf_env *env);
149
150int perf_env__set_cmdline(struct perf_env *env, int argc, const char *argv[]);
151
152int perf_env__read_cpuid(struct perf_env *env);
153int perf_env__read_pmu_mappings(struct perf_env *env);
154int perf_env__nr_pmu_mappings(struct perf_env *env);
155const char *perf_env__pmu_mappings(struct perf_env *env);
156
157int perf_env__read_cpu_topology_map(struct perf_env *env);
158
159void cpu_cache_level__free(struct cpu_cache_level *cache);
160
161const char *perf_env__arch(struct perf_env *env);
162const char *perf_env__cpuid(struct perf_env *env);
163const char *perf_env__raw_arch(struct perf_env *env);
164int perf_env__nr_cpus_avail(struct perf_env *env);
165
166void perf_env__init(struct perf_env *env);
167void perf_env__insert_bpf_prog_info(struct perf_env *env,
168 struct bpf_prog_info_node *info_node);
169struct bpf_prog_info_node *perf_env__find_bpf_prog_info(struct perf_env *env,
170 __u32 prog_id);
171bool perf_env__insert_btf(struct perf_env *env, struct btf_node *btf_node);
172struct btf_node *perf_env__find_btf(struct perf_env *env, __u32 btf_id);
173
174int perf_env__numa_node(struct perf_env *env, struct perf_cpu cpu);
175char *perf_env__find_pmu_cap(struct perf_env *env, const char *pmu_name,
176 const char *cap);
177#endif /* __PERF_ENV_H */