1 /* SPDX-License-Identifier: GPL-2.0 */
5 #include <linux/types.h>
6 #include <linux/rbtree.h>
12 struct cpu_topology_map {
19 struct cpu_cache_level {
33 struct perf_cpu_map *map;
49 unsigned int max_branches;
50 unsigned int br_cntr_nr;
51 unsigned int br_cntr_width;
57 typedef const char *(arch_syscalls__strerrno_t)(int err);
59 arch_syscalls__strerrno_t *arch_syscalls__strerrno_function(const char *arch);
70 unsigned long long total_mem;
71 unsigned int msr_pmu_type;
72 unsigned int max_branches;
73 unsigned int br_cntr_nr;
74 unsigned int br_cntr_width;
80 int nr_sibling_threads;
87 int nr_pmus_with_caps;
89 const char **cmdline_argv;
92 char *sibling_threads;
95 struct cpu_topology_map *cpu;
96 struct cpu_cache_level *caches;
103 struct numa_node *numa_nodes;
104 struct memory_node *memory_nodes;
105 unsigned long long memory_bsize;
106 struct hybrid_node *hybrid_nodes;
107 struct pmu_caps *pmu_caps;
108 #ifdef HAVE_LIBBPF_SUPPORT
110 * bpf_info_lock protects bpf rbtrees. This is needed because the
111 * trees are accessed by different threads in perf-top
114 struct rw_semaphore lock;
115 struct rb_root infos;
120 #endif // HAVE_LIBBPF_SUPPORT
121 /* same reason as above (for perf-top) */
123 struct rw_semaphore lock;
127 /* For fast cpu to numa node lookup via perf_env__numa_node */
131 /* For real clock time reference. */
138 * enabled is valid for report mode, and is true if above
139 * values are set, it's set in process_clock_data
143 arch_syscalls__strerrno_t *arch_strerrno;
146 enum perf_compress_type {
152 struct bpf_prog_info_node;
155 extern struct perf_env perf_env;
157 void perf_env__exit(struct perf_env *env);
159 int perf_env__kernel_is_64_bit(struct perf_env *env);
161 int perf_env__set_cmdline(struct perf_env *env, int argc, const char *argv[]);
163 int perf_env__read_cpuid(struct perf_env *env);
164 int perf_env__read_pmu_mappings(struct perf_env *env);
165 int perf_env__nr_pmu_mappings(struct perf_env *env);
166 const char *perf_env__pmu_mappings(struct perf_env *env);
168 int perf_env__read_cpu_topology_map(struct perf_env *env);
170 void cpu_cache_level__free(struct cpu_cache_level *cache);
172 const char *perf_env__arch(struct perf_env *env);
173 const char *perf_env__arch_strerrno(struct perf_env *env, int err);
174 const char *perf_env__cpuid(struct perf_env *env);
175 const char *perf_env__raw_arch(struct perf_env *env);
176 int perf_env__nr_cpus_avail(struct perf_env *env);
178 void perf_env__init(struct perf_env *env);
179 void __perf_env__insert_bpf_prog_info(struct perf_env *env,
180 struct bpf_prog_info_node *info_node);
181 void perf_env__insert_bpf_prog_info(struct perf_env *env,
182 struct bpf_prog_info_node *info_node);
183 struct bpf_prog_info_node *perf_env__find_bpf_prog_info(struct perf_env *env,
185 bool perf_env__insert_btf(struct perf_env *env, struct btf_node *btf_node);
186 bool __perf_env__insert_btf(struct perf_env *env, struct btf_node *btf_node);
187 struct btf_node *perf_env__find_btf(struct perf_env *env, __u32 btf_id);
188 struct btf_node *__perf_env__find_btf(struct perf_env *env, __u32 btf_id);
190 int perf_env__numa_node(struct perf_env *env, struct perf_cpu cpu);
191 char *perf_env__find_pmu_cap(struct perf_env *env, const char *pmu_name,
194 bool perf_env__has_pmu_mapping(struct perf_env *env, const char *pmu_name);
195 #endif /* __PERF_ENV_H */