pcpu_hash_map
ret = bpf_map__delete_elem(skel->maps.pcpu_hash_map, &key, sizeof(key), 0);
DEFINE_MAP_OF_MAP(BPF_MAP_TYPE_ARRAY_OF_MAPS, pcpu_hash_map, array_of_pcpu_hash_maps);
DEFINE_MAP_OF_MAP(BPF_MAP_TYPE_HASH_OF_MAPS, pcpu_hash_map, hash_of_pcpu_hash_maps);
TEST(pcpu_hash_map);
} pcpu_hash_map SEC(".maps");
bpf_map_update_elem(&pcpu_hash_map, &key, &val, 0);
TEST_PCPU(pcpu_hash_map);
TEST_PCPU(pcpu_hash_map);