Merge tag 'for-5.8-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave...
[linux-2.6-microblaze.git] / 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 "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         unsigned int            max_branches;
52
53         int                     nr_cmdline;
54         int                     nr_sibling_cores;
55         int                     nr_sibling_dies;
56         int                     nr_sibling_threads;
57         int                     nr_numa_nodes;
58         int                     nr_memory_nodes;
59         int                     nr_pmu_mappings;
60         int                     nr_groups;
61         int                     nr_cpu_pmu_caps;
62         char                    *cmdline;
63         const char              **cmdline_argv;
64         char                    *sibling_cores;
65         char                    *sibling_dies;
66         char                    *sibling_threads;
67         char                    *pmu_mappings;
68         char                    *cpu_pmu_caps;
69         struct cpu_topology_map *cpu;
70         struct cpu_cache_level  *caches;
71         int                      caches_cnt;
72         u32                     comp_ratio;
73         u32                     comp_ver;
74         u32                     comp_type;
75         u32                     comp_level;
76         u32                     comp_mmap_len;
77         struct numa_node        *numa_nodes;
78         struct memory_node      *memory_nodes;
79         unsigned long long       memory_bsize;
80         u64                     clockid_res_ns;
81
82         /*
83          * bpf_info_lock protects bpf rbtrees. This is needed because the
84          * trees are accessed by different threads in perf-top
85          */
86         struct {
87                 struct rw_semaphore     lock;
88                 struct rb_root          infos;
89                 u32                     infos_cnt;
90                 struct rb_root          btfs;
91                 u32                     btfs_cnt;
92         } bpf_progs;
93
94         /* same reason as above (for perf-top) */
95         struct {
96                 struct rw_semaphore     lock;
97                 struct rb_root          tree;
98         } cgroups;
99
100         /* For fast cpu to numa node lookup via perf_env__numa_node */
101         int                     *numa_map;
102         int                      nr_numa_map;
103 };
104
105 enum perf_compress_type {
106         PERF_COMP_NONE = 0,
107         PERF_COMP_ZSTD,
108         PERF_COMP_MAX
109 };
110
111 struct bpf_prog_info_node;
112 struct btf_node;
113
114 extern struct perf_env perf_env;
115
116 void perf_env__exit(struct perf_env *env);
117
118 int perf_env__set_cmdline(struct perf_env *env, int argc, const char *argv[]);
119
120 int perf_env__read_cpuid(struct perf_env *env);
121 int perf_env__read_cpu_topology_map(struct perf_env *env);
122
123 void cpu_cache_level__free(struct cpu_cache_level *cache);
124
125 const char *perf_env__arch(struct perf_env *env);
126 const char *perf_env__raw_arch(struct perf_env *env);
127 int perf_env__nr_cpus_avail(struct perf_env *env);
128
129 void perf_env__init(struct perf_env *env);
130 void perf_env__insert_bpf_prog_info(struct perf_env *env,
131                                     struct bpf_prog_info_node *info_node);
132 struct bpf_prog_info_node *perf_env__find_bpf_prog_info(struct perf_env *env,
133                                                         __u32 prog_id);
134 void perf_env__insert_btf(struct perf_env *env, struct btf_node *btf_node);
135 struct btf_node *perf_env__find_btf(struct perf_env *env, __u32 btf_id);
136
137 int perf_env__numa_node(struct perf_env *env, int cpu);
138 #endif /* __PERF_ENV_H */