tools/perf/util/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
  10 struct cpu_topology_map {
  11         int     socket_id;
  12         int     die_id;
  13         int     core_id;
  14 };
  15
  16 struct cpu_cache_level {
  17         u32     level;
  18         u32     line_size;
  19         u32     sets;
  20         u32     ways;
  21         char    *type;
  22         char    *size;
  23         char    *map;
  24 };
  25
  26 struct numa_node {
  27         u32              node;
  28         u64              mem_total;
  29         u64              mem_free;
  30         struct cpu_map  *map;
  31 };
  32
  33 struct memory_node {
  34         u64              node;
  35         u64              size;
  36         unsigned long   *set;
  37 };
  38
  39 struct perf_env {
  40         char                    *hostname;
  41         char                    *os_release;
  42         char                    *version;
  43         char                    *arch;
  44         int                     nr_cpus_online;
  45         int                     nr_cpus_avail;
  46         char                    *cpu_desc;
  47         char                    *cpuid;
  48         unsigned long long      total_mem;
  49         unsigned int            msr_pmu_type;
  50
  51         int                     nr_cmdline;
  52         int                     nr_sibling_cores;
  53         int                     nr_sibling_dies;
  54         int                     nr_sibling_threads;
  55         int                     nr_numa_nodes;
  56         int                     nr_memory_nodes;
  57         int                     nr_pmu_mappings;
  58         int                     nr_groups;
  59         char                    *cmdline;
  60         const char              **cmdline_argv;
  61         char                    *sibling_cores;
  62         char                    *sibling_dies;
  63         char                    *sibling_threads;
  64         char                    *pmu_mappings;
  65         struct cpu_topology_map *cpu;
  66         struct cpu_cache_level  *caches;
  67         int                      caches_cnt;
  68         u32                     comp_ratio;
  69         u32                     comp_ver;
  70         u32                     comp_type;
  71         u32                     comp_level;
  72         u32                     comp_mmap_len;
  73         struct numa_node        *numa_nodes;
  74         struct memory_node      *memory_nodes;
  75         unsigned long long       memory_bsize;
  76         u64                     clockid_res_ns;
  77
  78         /*
  79          * bpf_info_lock protects bpf rbtrees. This is needed because the
  80          * trees are accessed by different threads in perf-top
  81          */
  82         struct {
  83                 struct rw_semaphore     lock;
  84                 struct rb_root          infos;
  85                 u32                     infos_cnt;
  86                 struct rb_root          btfs;
  87                 u32                     btfs_cnt;
  88         } bpf_progs;
  89 };
  90
  91 enum perf_compress_type {
  92         PERF_COMP_NONE = 0,
  93         PERF_COMP_ZSTD,
  94         PERF_COMP_MAX
  95 };
  96
  97 struct bpf_prog_info_node;
  98 struct btf_node;
  99
 100 extern struct perf_env perf_env;
 101
 102 void perf_env__exit(struct perf_env *env);
 103
 104 int perf_env__set_cmdline(struct perf_env *env, int argc, const char *argv[]);
 105
 106 int perf_env__read_cpu_topology_map(struct perf_env *env);
 107
 108 void cpu_cache_level__free(struct cpu_cache_level *cache);
 109
 110 const char *perf_env__arch(struct perf_env *env);
 111 const char *perf_env__raw_arch(struct perf_env *env);
 112 int perf_env__nr_cpus_avail(struct perf_env *env);
 113
 114 void perf_env__init(struct perf_env *env);
 115 void perf_env__insert_bpf_prog_info(struct perf_env *env,
 116                                     struct bpf_prog_info_node *info_node);
 117 struct bpf_prog_info_node *perf_env__find_bpf_prog_info(struct perf_env *env,
 118                                                         __u32 prog_id);
 119 void perf_env__insert_btf(struct perf_env *env, struct btf_node *btf_node);
 120 struct btf_node *perf_env__find_btf(struct perf_env *env, __u32 btf_id);
 121 #endif /* __PERF_ENV_H */