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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __PERF_ENV_H
#define __PERF_ENV_H
#include <linux/types.h>
#include <linux/rbtree.h>
#include "cpumap.h"
#include "rwsem.h"
struct perf_cpu_map;
struct cpu_topology_map {
int socket_id;
int die_id;
int cluster_id;
int core_id;
};
struct cpu_cache_level {
u32 level;
u32 line_size;
u32 sets;
u32 ways;
char *type;
char *size;
char *map;
};
struct numa_node {
u32 node;
u64 mem_total;
u64 mem_free;
struct perf_cpu_map *map;
};
struct memory_node {
u64 node;
u64 size;
unsigned long *set;
};
struct hybrid_node {
char *pmu_name;
char *cpus;
};
struct pmu_caps {
int nr_caps;
unsigned int max_branches;
unsigned int br_cntr_nr;
unsigned int br_cntr_width;
char **caps;
char *pmu_name;
};
typedef const char *(arch_syscalls__strerrno_t)(int err);
arch_syscalls__strerrno_t *arch_syscalls__strerrno_function(const char *arch);
struct perf_env {
char *hostname;
char *os_release;
char *version;
char *arch;
int nr_cpus_online;
int nr_cpus_avail;
char *cpu_desc;
char *cpuid;
unsigned long long total_mem;
unsigned int msr_pmu_type;
unsigned int max_branches;
unsigned int br_cntr_nr;
unsigned int br_cntr_width;
int kernel_is_64_bit;
int nr_cmdline;
int nr_sibling_cores;
int nr_sibling_dies;
int nr_sibling_threads;
int nr_numa_nodes;
int nr_memory_nodes;
int nr_pmu_mappings;
int nr_groups;
int nr_cpu_pmu_caps;
int nr_hybrid_nodes;
int nr_pmus_with_caps;
char *cmdline;
const char **cmdline_argv;
char *sibling_cores;
char *sibling_dies;
char *sibling_threads;
char *pmu_mappings;
char **cpu_pmu_caps;
struct cpu_topology_map *cpu;
struct cpu_cache_level *caches;
int caches_cnt;
u32 comp_ratio;
u32 comp_ver;
u32 comp_type;
u32 comp_level;
u32 comp_mmap_len;
struct numa_node *numa_nodes;
struct memory_node *memory_nodes;
unsigned long long memory_bsize;
struct hybrid_node *hybrid_nodes;
struct pmu_caps *pmu_caps;
#ifdef HAVE_LIBBPF_SUPPORT
/*
* bpf_info_lock protects bpf rbtrees. This is needed because the
* trees are accessed by different threads in perf-top
*/
struct {
struct rw_semaphore lock;
struct rb_root infos;
u32 infos_cnt;
struct rb_root btfs;
u32 btfs_cnt;
} bpf_progs;
#endif // HAVE_LIBBPF_SUPPORT
/* same reason as above (for perf-top) */
struct {
struct rw_semaphore lock;
struct rb_root tree;
} cgroups;
/* For fast cpu to numa node lookup via perf_env__numa_node */
int *numa_map;
int nr_numa_map;
/* For real clock time reference. */
struct {
u64 tod_ns;
u64 clockid_ns;
u64 clockid_res_ns;
int clockid;
/*
* enabled is valid for report mode, and is true if above
* values are set, it's set in process_clock_data
*/
bool enabled;
} clock;
arch_syscalls__strerrno_t *arch_strerrno;
};
enum perf_compress_type {
PERF_COMP_NONE = 0,
PERF_COMP_ZSTD,
PERF_COMP_MAX
};
struct bpf_prog_info_node;
struct btf_node;
extern struct perf_env perf_env;
void perf_env__exit(struct perf_env *env);
int perf_env__kernel_is_64_bit(struct perf_env *env);
int perf_env__set_cmdline(struct perf_env *env, int argc, const char *argv[]);
int perf_env__read_cpuid(struct perf_env *env);
int perf_env__read_pmu_mappings(struct perf_env *env);
int perf_env__nr_pmu_mappings(struct perf_env *env);
const char *perf_env__pmu_mappings(struct perf_env *env);
int perf_env__read_cpu_topology_map(struct perf_env *env);
void cpu_cache_level__free(struct cpu_cache_level *cache);
const char *perf_env__arch(struct perf_env *env);
const char *perf_env__arch_strerrno(struct perf_env *env, int err);
const char *perf_env__cpuid(struct perf_env *env);
const char *perf_env__raw_arch(struct perf_env *env);
int perf_env__nr_cpus_avail(struct perf_env *env);
void perf_env__init(struct perf_env *env);
void __perf_env__insert_bpf_prog_info(struct perf_env *env,
struct bpf_prog_info_node *info_node);
void perf_env__insert_bpf_prog_info(struct perf_env *env,
struct bpf_prog_info_node *info_node);
struct bpf_prog_info_node *perf_env__find_bpf_prog_info(struct perf_env *env,
__u32 prog_id);
bool perf_env__insert_btf(struct perf_env *env, struct btf_node *btf_node);
bool __perf_env__insert_btf(struct perf_env *env, struct btf_node *btf_node);
struct btf_node *perf_env__find_btf(struct perf_env *env, __u32 btf_id);
struct btf_node *__perf_env__find_btf(struct perf_env *env, __u32 btf_id);
int perf_env__numa_node(struct perf_env *env, struct perf_cpu cpu);
char *perf_env__find_pmu_cap(struct perf_env *env, const char *pmu_name,
const char *cap);
bool perf_env__has_pmu_mapping(struct perf_env *env, const char *pmu_name);
#endif /* __PERF_ENV_H */
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