[mirror_ubuntu-focal-kernel.git] / tools / perf / util / env.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __PERF_ENV_H
#define __PERF_ENV_H

#include <linux/types.h>
#include <linux/rbtree.h>
#include "rwsem.h"

struct perf_cpu_map;

struct cpu_topology_map {
	int	socket_id;
	int	die_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 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;

	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;
	char			*cmdline;
	const char		**cmdline_argv;
	char			*sibling_cores;
	char			*sibling_dies;
	char			*sibling_threads;
	char			*pmu_mappings;
	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;
	u64                     clockid_res_ns;

	/*
	 * 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;
};

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__set_cmdline(struct perf_env *env, int argc, const char *argv[]);

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__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);
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);
struct btf_node *perf_env__find_btf(struct perf_env *env, __u32 btf_id);
#endif /* __PERF_ENV_H */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
f0ce888c ACM	2	#ifndef __PERF_ENV_H
	3	#define __PERF_ENV_H
	4
720e98b5	5	#include <linux/types.h>
e4378f0c	6	#include <linux/rbtree.h>
e4378f0c	7	#include "rwsem.h"
720e98b5	8
87ffb6c6 ACM	9	struct perf_cpu_map;
87ffb6c6 ACM	10
f0ce888c ACM	11	struct cpu_topology_map {
f0ce888c ACM	12	int socket_id;
acae8b36	13	int die_id;
f0ce888c ACM	14	int core_id;
	15	};
	16
720e98b5 JO	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
c60da22a JO	27	struct numa_node {
	28	u32 node;
	29	u64 mem_total;
	30	u64 mem_free;
f854839b	31	struct perf_cpu_map *map;
c60da22a JO	32	};
c60da22a JO	33
e2091ced JO	34	struct memory_node {
	35	u64 node;
	36	u64 size;
	37	unsigned long *set;
	38	};
	39
f0ce888c ACM	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;
e0838e02	50	unsigned int msr_pmu_type;
f0ce888c ACM	51
	52	int nr_cmdline;
	53	int nr_sibling_cores;
acae8b36	54	int nr_sibling_dies;
f0ce888c ACM	55	int nr_sibling_threads;
f0ce888c ACM	56	int nr_numa_nodes;
e2091ced	57	int nr_memory_nodes;
f0ce888c ACM	58	int nr_pmu_mappings;
	59	int nr_groups;
	60	char *cmdline;
	61	const char **cmdline_argv;
	62	char *sibling_cores;
acae8b36	63	char *sibling_dies;
f0ce888c	64	char *sibling_threads;
f0ce888c ACM	65	char *pmu_mappings;
f0ce888c ACM	66	struct cpu_topology_map *cpu;
720e98b5 JO	67	struct cpu_cache_level *caches;
720e98b5 JO	68	int caches_cnt;
d3c8c08e	69	u32 comp_ratio;
42e1fd80 AB	70	u32 comp_ver;
	71	u32 comp_type;
	72	u32 comp_level;
	73	u32 comp_mmap_len;
c60da22a	74	struct numa_node *numa_nodes;
e2091ced JO	75	struct memory_node *memory_nodes;
e2091ced JO	76	unsigned long long memory_bsize;
cf790516	77	u64 clockid_res_ns;
e4378f0c SL	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;
3792cb2f SL	87	struct rb_root btfs;
3792cb2f SL	88	u32 btfs_cnt;
e4378f0c	89	} bpf_progs;
f0ce888c ACM	90	};
f0ce888c ACM	91
42e1fd80 AB	92	enum perf_compress_type {
	93	PERF_COMP_NONE = 0,
	94	PERF_COMP_ZSTD,
	95	PERF_COMP_MAX
	96	};
	97
e4378f0c	98	struct bpf_prog_info_node;
3792cb2f	99	struct btf_node;
e4378f0c	100
b6998692 ACM	101	extern struct perf_env perf_env;
b6998692 ACM	102
f0ce888c ACM	103	void perf_env__exit(struct perf_env *env);
f0ce888c ACM	104
b6998692 ACM	105	int perf_env__set_cmdline(struct perf_env env, int argc, const char argv[]);
b6998692 ACM	106
aa36ddd7 ACM	107	int perf_env__read_cpu_topology_map(struct perf_env *env);
aa36ddd7 ACM	108
720e98b5	109	void cpu_cache_level__free(struct cpu_cache_level *cache);
4e8fbc1c ACM	110
4e8fbc1c ACM	111	const char perf_env__arch(struct perf_env env);
dbbd34a6	112	const char perf_env__raw_arch(struct perf_env env);
9cecca32	113	int perf_env__nr_cpus_avail(struct perf_env *env);
dbbd34a6	114
e4378f0c SL	115	void perf_env__init(struct perf_env *env);
	116	void perf_env__insert_bpf_prog_info(struct perf_env *env,
	117	struct bpf_prog_info_node *info_node);
	118	struct bpf_prog_info_node perf_env__find_bpf_prog_info(struct perf_env env,
	119	__u32 prog_id);
67b6b215	120	bool perf_env__insert_btf(struct perf_env env, struct btf_node btf_node);
3792cb2f	121	struct btf_node perf_env__find_btf(struct perf_env env, __u32 btf_id);
f0ce888c	122	#endif /* __PERF_ENV_H */