counter_t demand_data_hits, demand_metadata_hits, prefetch_data_hits, prefetch_metadata_hits;
counter_t demand_data_misses, demand_metadata_misses, prefetch_data_misses, prefetch_metadata_misses;
counter_t l2_read_bytes, l2_write_bytes;
counter_t demand_data_hits, demand_metadata_hits, prefetch_data_hits, prefetch_metadata_hits;
counter_t demand_data_misses, demand_metadata_misses, prefetch_data_misses, prefetch_metadata_misses;
counter_t l2_read_bytes, l2_write_bytes;