$ cat /proc/spl/kstat/zfs/arcstats
13 1 0x01 96 26112 26975127196 517243166877
name                            type data
hits                            4    691
misses                          4    254
demand_data_hits                4    0
demand_data_misses              4    0
demand_metadata_hits            4    691
demand_metadata_misses          4    254
prefetch_data_hits              4    0
prefetch_data_misses            4    0
prefetch_metadata_hits          4    0
prefetch_metadata_misses        4    0
mru_hits                        4    88
mru_ghost_hits                  4    0
mfu_hits                        4    603
mfu_ghost_hits                  4    0
deleted                         4    0
mutex_miss                      4    0
access_skip                     4    0
evict_skip                      4    0
[ ... ]