env.h

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

#include <linux/types.h>
#include "cpumap.h"

struct cpu_topology_map {
    int socket_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 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_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_threads;
    char            *pmu_mappings;
    struct cpu_topology_map *cpu;
    struct cpu_cache_level  *caches;
    int          caches_cnt;
    struct numa_node    *numa_nodes;
    struct memory_node  *memory_nodes;
    unsigned long long   memory_bsize;
};

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);

#endif /* __PERF_ENV_H */