1 /* SPDX-License-Identifier: GPL-2.0 */
5 #include <linux/types.h>
6 #include <linux/rbtree.h>
12 struct cpu_topology_map {
18 struct cpu_cache_level {
32 struct perf_cpu_map *map;
48 unsigned int max_branches;
49 unsigned int br_cntr_nr;
50 unsigned int br_cntr_width;
56 typedef const char *(arch_syscalls__strerrno_t)(int err);
58 arch_syscalls__strerrno_t *arch_syscalls__strerrno_function(const char *arch);
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;
79 int nr_sibling_threads;
86 int nr_pmus_with_caps;
88 const char **cmdline_argv;
91 char *sibling_threads;
94 struct cpu_topology_map *cpu;
95 struct cpu_cache_level *caches;
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
109 * bpf_info_lock protects bpf rbtrees. This is needed because the
110 * trees are accessed by different threads in perf-top
113 struct rw_semaphore lock;
114 struct rb_root infos;
119 #endif // HAVE_LIBBPF_SUPPORT
120 /* same reason as above (for perf-top) */
122 struct rw_semaphore lock;
126 /* For fast cpu to numa node lookup via perf_env__numa_node */
130 /* For real clock time reference. */
137 * enabled is valid for report mode, and is true if above
138 * values are set, it's set in process_clock_data
142 arch_syscalls__strerrno_t *arch_strerrno;
145 enum perf_compress_type {
151 struct bpf_prog_info_node;
154 extern struct perf_env perf_env;
156 void perf_env__exit(struct perf_env *env);
158 int perf_env__kernel_is_64_bit(struct perf_env *env);
160 int perf_env__set_cmdline(struct perf_env *env, int argc, const char *argv[]);
162 int perf_env__read_cpuid(struct perf_env *env);
163 int perf_env__read_pmu_mappings(struct perf_env *env);
164 int perf_env__nr_pmu_mappings(struct perf_env *env);
165 const char *perf_env__pmu_mappings(struct perf_env *env);
167 int perf_env__read_cpu_topology_map(struct perf_env *env);
169 void cpu_cache_level__free(struct cpu_cache_level *cache);
171 const char *perf_env__arch(struct perf_env *env);
172 const char *perf_env__arch_strerrno(struct perf_env *env, int err);
173 const char *perf_env__cpuid(struct perf_env *env);
174 const char *perf_env__raw_arch(struct perf_env *env);
175 int perf_env__nr_cpus_avail(struct perf_env *env);
177 void perf_env__init(struct perf_env *env);
178 void __perf_env__insert_bpf_prog_info(struct perf_env *env,
179 struct bpf_prog_info_node *info_node);
180 void perf_env__insert_bpf_prog_info(struct perf_env *env,
181 struct bpf_prog_info_node *info_node);
182 struct bpf_prog_info_node *perf_env__find_bpf_prog_info(struct perf_env *env,
184 bool perf_env__insert_btf(struct perf_env *env, struct btf_node *btf_node);
185 bool __perf_env__insert_btf(struct perf_env *env, struct btf_node *btf_node);
186 struct btf_node *perf_env__find_btf(struct perf_env *env, __u32 btf_id);
187 struct btf_node *__perf_env__find_btf(struct perf_env *env, __u32 btf_id);
189 int perf_env__numa_node(struct perf_env *env, struct perf_cpu cpu);
190 char *perf_env__find_pmu_cap(struct perf_env *env, const char *pmu_name,
193 bool perf_env__has_pmu_mapping(struct perf_env *env, const char *pmu_name);
194 #endif /* __PERF_ENV_H */