$ fsstat -z s10 -z s10u9 zfs tmpfs new name name attr attr lookup rddir read read write write file remov chng get set ops ops ops bytes ops bytes 93 82 6 163K 110 507K 148 69.7K 67.9M 4.62K 13.7M zfs:s10 248 237 158 188K 101 612K 283 70.6K 68.6M 4.71K 15.2M zfs:s10u9 12.0K 1.90K 10.1K 35.4K 12 60.3K 4 25.7K 29.8M 36.6K 31.0M tmpfs:s10 12.0K 1.90K 10.1K 35.6K 14 60.2K 2 28.4K 32.1M 36.5K 30.9M tmpfs:S10u9