b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame] | 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 | |
| 9 | struct perf_cpu_map; |
| 10 | |
| 11 | struct cpu_topology_map { |
| 12 | int socket_id; |
| 13 | int die_id; |
| 14 | int core_id; |
| 15 | }; |
| 16 | |
| 17 | struct 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 | |
| 27 | struct numa_node { |
| 28 | u32 node; |
| 29 | u64 mem_total; |
| 30 | u64 mem_free; |
| 31 | struct perf_cpu_map *map; |
| 32 | }; |
| 33 | |
| 34 | struct memory_node { |
| 35 | u64 node; |
| 36 | u64 size; |
| 37 | unsigned long *set; |
| 38 | }; |
| 39 | |
| 40 | struct 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 | /* For fast cpu to numa node lookup via perf_env__numa_node */ |
| 92 | int *numa_map; |
| 93 | int nr_numa_map; |
| 94 | }; |
| 95 | |
| 96 | enum perf_compress_type { |
| 97 | PERF_COMP_NONE = 0, |
| 98 | PERF_COMP_ZSTD, |
| 99 | PERF_COMP_MAX |
| 100 | }; |
| 101 | |
| 102 | struct bpf_prog_info_node; |
| 103 | struct btf_node; |
| 104 | |
| 105 | extern struct perf_env perf_env; |
| 106 | |
| 107 | void perf_env__exit(struct perf_env *env); |
| 108 | |
| 109 | int perf_env__set_cmdline(struct perf_env *env, int argc, const char *argv[]); |
| 110 | |
| 111 | int perf_env__read_cpu_topology_map(struct perf_env *env); |
| 112 | |
| 113 | void cpu_cache_level__free(struct cpu_cache_level *cache); |
| 114 | |
| 115 | const char *perf_env__arch(struct perf_env *env); |
| 116 | const char *perf_env__raw_arch(struct perf_env *env); |
| 117 | int perf_env__nr_cpus_avail(struct perf_env *env); |
| 118 | |
| 119 | void perf_env__init(struct perf_env *env); |
| 120 | void __perf_env__insert_bpf_prog_info(struct perf_env *env, |
| 121 | struct bpf_prog_info_node *info_node); |
| 122 | void perf_env__insert_bpf_prog_info(struct perf_env *env, |
| 123 | struct bpf_prog_info_node *info_node); |
| 124 | struct bpf_prog_info_node *perf_env__find_bpf_prog_info(struct perf_env *env, |
| 125 | __u32 prog_id); |
| 126 | bool perf_env__insert_btf(struct perf_env *env, struct btf_node *btf_node); |
| 127 | bool __perf_env__insert_btf(struct perf_env *env, struct btf_node *btf_node); |
| 128 | struct btf_node *perf_env__find_btf(struct perf_env *env, __u32 btf_id); |
| 129 | struct btf_node *__perf_env__find_btf(struct perf_env *env, __u32 btf_id); |
| 130 | |
| 131 | int perf_env__numa_node(struct perf_env *env, int cpu); |
| 132 | #endif /* __PERF_ENV_H */ |