#pragma once

#include <stdint.h>
#include <pthread.h>

#define TOPO_MAX_CHILDREN (256)

#define ALLOC_MAX_OBJS_PER_LVL (256)
#define ALLOC_MEM_OBJ_SIZE (4096) // 4k
#define ALLOC_MEM_OBJ_NUM (1024 * 256) // 4k * 1024 * 256 = 1GB per region
#define ALLOC_MEM_REGION_NUM (4) // 4 x 1GB = 4GB total

struct topo_desc {
    struct topo_obj * root;
    int core_to_numa_lookup[TOPO_MAX_CHILDREN];
    int num_core;
    int num_numa;

    // ts
    uint64_t tsc_freq;

    // alloc
    pthread_mutex_t alloc_lock;
    int mem_idx[ALLOC_MAX_OBJS_PER_LVL];
    int mem_region_idx[ALLOC_MAX_OBJS_PER_LVL];
    void* mem_regions[ALLOC_MAX_OBJS_PER_LVL][ALLOC_MEM_REGION_NUM];
};

int
topo_ts_init(struct topo_desc *desc, int verbose);

uint64_t
topo_desc_uptime_ns(struct topo_desc * desc);