fix(zfs): add memory_available_bytes, fix dbufstats filename on Linux (#2687)

* Fix zfs memory_available_bytes collector
* Fix zfs dbufstats collector
---------

Signed-off-by: dongjiang1989 <[email protected]>

Author: dongjiang1989

collector/fixtures/e2e-64k-page-output.txt

@@ -3660,193 +3660,193 @@ node_zfs_arc_prefetch_metadata_misses 16071
 # HELP node_zfs_arc_size kstat.zfs.misc.arcstats.size
 # TYPE node_zfs_arc_size untyped
 node_zfs_arc_size 1.603939792e+09
-# HELP node_zfs_dbuf_dbuf_cache_count kstat.zfs.misc.dbuf_stats.dbuf_cache_count
+# HELP node_zfs_dbuf_dbuf_cache_count kstat.zfs.misc.dbufstats.dbuf_cache_count
 # TYPE node_zfs_dbuf_dbuf_cache_count untyped
 node_zfs_dbuf_dbuf_cache_count 27
-# HELP node_zfs_dbuf_dbuf_cache_hiwater_bytes kstat.zfs.misc.dbuf_stats.dbuf_cache_hiwater_bytes
+# HELP node_zfs_dbuf_dbuf_cache_hiwater_bytes kstat.zfs.misc.dbufstats.dbuf_cache_hiwater_bytes
 # TYPE node_zfs_dbuf_dbuf_cache_hiwater_bytes untyped
 node_zfs_dbuf_dbuf_cache_hiwater_bytes 6.9117804e+07
-# HELP node_zfs_dbuf_dbuf_cache_level_0 kstat.zfs.misc.dbuf_stats.dbuf_cache_level_0
+# HELP node_zfs_dbuf_dbuf_cache_level_0 kstat.zfs.misc.dbufstats.dbuf_cache_level_0
 # TYPE node_zfs_dbuf_dbuf_cache_level_0 untyped
 node_zfs_dbuf_dbuf_cache_level_0 27
-# HELP node_zfs_dbuf_dbuf_cache_level_0_bytes kstat.zfs.misc.dbuf_stats.dbuf_cache_level_0_bytes
+# HELP node_zfs_dbuf_dbuf_cache_level_0_bytes kstat.zfs.misc.dbufstats.dbuf_cache_level_0_bytes
 # TYPE node_zfs_dbuf_dbuf_cache_level_0_bytes untyped
 node_zfs_dbuf_dbuf_cache_level_0_bytes 302080
-# HELP node_zfs_dbuf_dbuf_cache_level_1 kstat.zfs.misc.dbuf_stats.dbuf_cache_level_1
+# HELP node_zfs_dbuf_dbuf_cache_level_1 kstat.zfs.misc.dbufstats.dbuf_cache_level_1
 # TYPE node_zfs_dbuf_dbuf_cache_level_1 untyped
 node_zfs_dbuf_dbuf_cache_level_1 0
-# HELP node_zfs_dbuf_dbuf_cache_level_10 kstat.zfs.misc.dbuf_stats.dbuf_cache_level_10
+# HELP node_zfs_dbuf_dbuf_cache_level_10 kstat.zfs.misc.dbufstats.dbuf_cache_level_10
 # TYPE node_zfs_dbuf_dbuf_cache_level_10 untyped
 node_zfs_dbuf_dbuf_cache_level_10 0
-# HELP node_zfs_dbuf_dbuf_cache_level_10_bytes kstat.zfs.misc.dbuf_stats.dbuf_cache_level_10_bytes
+# HELP node_zfs_dbuf_dbuf_cache_level_10_bytes kstat.zfs.misc.dbufstats.dbuf_cache_level_10_bytes
 # TYPE node_zfs_dbuf_dbuf_cache_level_10_bytes untyped
 node_zfs_dbuf_dbuf_cache_level_10_bytes 0
-# HELP node_zfs_dbuf_dbuf_cache_level_11 kstat.zfs.misc.dbuf_stats.dbuf_cache_level_11
+# HELP node_zfs_dbuf_dbuf_cache_level_11 kstat.zfs.misc.dbufstats.dbuf_cache_level_11
 # TYPE node_zfs_dbuf_dbuf_cache_level_11 untyped
 node_zfs_dbuf_dbuf_cache_level_11 0
-# HELP node_zfs_dbuf_dbuf_cache_level_11_bytes kstat.zfs.misc.dbuf_stats.dbuf_cache_level_11_bytes
+# HELP node_zfs_dbuf_dbuf_cache_level_11_bytes kstat.zfs.misc.dbufstats.dbuf_cache_level_11_bytes
 # TYPE node_zfs_dbuf_dbuf_cache_level_11_bytes untyped
 node_zfs_dbuf_dbuf_cache_level_11_bytes 0
-# HELP node_zfs_dbuf_dbuf_cache_level_1_bytes kstat.zfs.misc.dbuf_stats.dbuf_cache_level_1_bytes
+# HELP node_zfs_dbuf_dbuf_cache_level_1_bytes kstat.zfs.misc.dbufstats.dbuf_cache_level_1_bytes
 # TYPE node_zfs_dbuf_dbuf_cache_level_1_bytes untyped
 node_zfs_dbuf_dbuf_cache_level_1_bytes 0
-# HELP node_zfs_dbuf_dbuf_cache_level_2 kstat.zfs.misc.dbuf_stats.dbuf_cache_level_2
+# HELP node_zfs_dbuf_dbuf_cache_level_2 kstat.zfs.misc.dbufstats.dbuf_cache_level_2
 # TYPE node_zfs_dbuf_dbuf_cache_level_2 untyped
 node_zfs_dbuf_dbuf_cache_level_2 0
-# HELP node_zfs_dbuf_dbuf_cache_level_2_bytes kstat.zfs.misc.dbuf_stats.dbuf_cache_level_2_bytes
+# HELP node_zfs_dbuf_dbuf_cache_level_2_bytes kstat.zfs.misc.dbufstats.dbuf_cache_level_2_bytes
 # TYPE node_zfs_dbuf_dbuf_cache_level_2_bytes untyped
 node_zfs_dbuf_dbuf_cache_level_2_bytes 0
-# HELP node_zfs_dbuf_dbuf_cache_level_3 kstat.zfs.misc.dbuf_stats.dbuf_cache_level_3
+# HELP node_zfs_dbuf_dbuf_cache_level_3 kstat.zfs.misc.dbufstats.dbuf_cache_level_3
 # TYPE node_zfs_dbuf_dbuf_cache_level_3 untyped
 node_zfs_dbuf_dbuf_cache_level_3 0
-# HELP node_zfs_dbuf_dbuf_cache_level_3_bytes kstat.zfs.misc.dbuf_stats.dbuf_cache_level_3_bytes
+# HELP node_zfs_dbuf_dbuf_cache_level_3_bytes kstat.zfs.misc.dbufstats.dbuf_cache_level_3_bytes
 # TYPE node_zfs_dbuf_dbuf_cache_level_3_bytes untyped
 node_zfs_dbuf_dbuf_cache_level_3_bytes 0
-# HELP node_zfs_dbuf_dbuf_cache_level_4 kstat.zfs.misc.dbuf_stats.dbuf_cache_level_4
+# HELP node_zfs_dbuf_dbuf_cache_level_4 kstat.zfs.misc.dbufstats.dbuf_cache_level_4
 # TYPE node_zfs_dbuf_dbuf_cache_level_4 untyped
 node_zfs_dbuf_dbuf_cache_level_4 0
-# HELP node_zfs_dbuf_dbuf_cache_level_4_bytes kstat.zfs.misc.dbuf_stats.dbuf_cache_level_4_bytes
+# HELP node_zfs_dbuf_dbuf_cache_level_4_bytes kstat.zfs.misc.dbufstats.dbuf_cache_level_4_bytes
 # TYPE node_zfs_dbuf_dbuf_cache_level_4_bytes untyped
 node_zfs_dbuf_dbuf_cache_level_4_bytes 0
-# HELP node_zfs_dbuf_dbuf_cache_level_5 kstat.zfs.misc.dbuf_stats.dbuf_cache_level_5
+# HELP node_zfs_dbuf_dbuf_cache_level_5 kstat.zfs.misc.dbufstats.dbuf_cache_level_5
 # TYPE node_zfs_dbuf_dbuf_cache_level_5 untyped
 node_zfs_dbuf_dbuf_cache_level_5 0
-# HELP node_zfs_dbuf_dbuf_cache_level_5_bytes kstat.zfs.misc.dbuf_stats.dbuf_cache_level_5_bytes
+# HELP node_zfs_dbuf_dbuf_cache_level_5_bytes kstat.zfs.misc.dbufstats.dbuf_cache_level_5_bytes
 # TYPE node_zfs_dbuf_dbuf_cache_level_5_bytes untyped
 node_zfs_dbuf_dbuf_cache_level_5_bytes 0
-# HELP node_zfs_dbuf_dbuf_cache_level_6 kstat.zfs.misc.dbuf_stats.dbuf_cache_level_6
+# HELP node_zfs_dbuf_dbuf_cache_level_6 kstat.zfs.misc.dbufstats.dbuf_cache_level_6
 # TYPE node_zfs_dbuf_dbuf_cache_level_6 untyped
 node_zfs_dbuf_dbuf_cache_level_6 0
-# HELP node_zfs_dbuf_dbuf_cache_level_6_bytes kstat.zfs.misc.dbuf_stats.dbuf_cache_level_6_bytes
+# HELP node_zfs_dbuf_dbuf_cache_level_6_bytes kstat.zfs.misc.dbufstats.dbuf_cache_level_6_bytes
 # TYPE node_zfs_dbuf_dbuf_cache_level_6_bytes untyped
 node_zfs_dbuf_dbuf_cache_level_6_bytes 0
-# HELP node_zfs_dbuf_dbuf_cache_level_7 kstat.zfs.misc.dbuf_stats.dbuf_cache_level_7
+# HELP node_zfs_dbuf_dbuf_cache_level_7 kstat.zfs.misc.dbufstats.dbuf_cache_level_7
 # TYPE node_zfs_dbuf_dbuf_cache_level_7 untyped
 node_zfs_dbuf_dbuf_cache_level_7 0
-# HELP node_zfs_dbuf_dbuf_cache_level_7_bytes kstat.zfs.misc.dbuf_stats.dbuf_cache_level_7_bytes
+# HELP node_zfs_dbuf_dbuf_cache_level_7_bytes kstat.zfs.misc.dbufstats.dbuf_cache_level_7_bytes
 # TYPE node_zfs_dbuf_dbuf_cache_level_7_bytes untyped
 node_zfs_dbuf_dbuf_cache_level_7_bytes 0
-# HELP node_zfs_dbuf_dbuf_cache_level_8 kstat.zfs.misc.dbuf_stats.dbuf_cache_level_8
+# HELP node_zfs_dbuf_dbuf_cache_level_8 kstat.zfs.misc.dbufstats.dbuf_cache_level_8
 # TYPE node_zfs_dbuf_dbuf_cache_level_8 untyped
 node_zfs_dbuf_dbuf_cache_level_8 0
-# HELP node_zfs_dbuf_dbuf_cache_level_8_bytes kstat.zfs.misc.dbuf_stats.dbuf_cache_level_8_bytes
+# HELP node_zfs_dbuf_dbuf_cache_level_8_bytes kstat.zfs.misc.dbufstats.dbuf_cache_level_8_bytes
 # TYPE node_zfs_dbuf_dbuf_cache_level_8_bytes untyped
 node_zfs_dbuf_dbuf_cache_level_8_bytes 0
-# HELP node_zfs_dbuf_dbuf_cache_level_9 kstat.zfs.misc.dbuf_stats.dbuf_cache_level_9
+# HELP node_zfs_dbuf_dbuf_cache_level_9 kstat.zfs.misc.dbufstats.dbuf_cache_level_9
 # TYPE node_zfs_dbuf_dbuf_cache_level_9 untyped
 node_zfs_dbuf_dbuf_cache_level_9 0
-# HELP node_zfs_dbuf_dbuf_cache_level_9_bytes kstat.zfs.misc.dbuf_stats.dbuf_cache_level_9_bytes
+# HELP node_zfs_dbuf_dbuf_cache_level_9_bytes kstat.zfs.misc.dbufstats.dbuf_cache_level_9_bytes
 # TYPE node_zfs_dbuf_dbuf_cache_level_9_bytes untyped
 node_zfs_dbuf_dbuf_cache_level_9_bytes 0
-# HELP node_zfs_dbuf_dbuf_cache_lowater_bytes kstat.zfs.misc.dbuf_stats.dbuf_cache_lowater_bytes
+# HELP node_zfs_dbuf_dbuf_cache_lowater_bytes kstat.zfs.misc.dbufstats.dbuf_cache_lowater_bytes
 # TYPE node_zfs_dbuf_dbuf_cache_lowater_bytes untyped
 node_zfs_dbuf_dbuf_cache_lowater_bytes 5.6550932e+07
-# HELP node_zfs_dbuf_dbuf_cache_max_bytes kstat.zfs.misc.dbuf_stats.dbuf_cache_max_bytes
+# HELP node_zfs_dbuf_dbuf_cache_max_bytes kstat.zfs.misc.dbufstats.dbuf_cache_max_bytes
 # TYPE node_zfs_dbuf_dbuf_cache_max_bytes untyped
 node_zfs_dbuf_dbuf_cache_max_bytes 6.2834368e+07
-# HELP node_zfs_dbuf_dbuf_cache_size kstat.zfs.misc.dbuf_stats.dbuf_cache_size
+# HELP node_zfs_dbuf_dbuf_cache_size kstat.zfs.misc.dbufstats.dbuf_cache_size
 # TYPE node_zfs_dbuf_dbuf_cache_size untyped
 node_zfs_dbuf_dbuf_cache_size 302080
-# HELP node_zfs_dbuf_dbuf_cache_size_max kstat.zfs.misc.dbuf_stats.dbuf_cache_size_max
+# HELP node_zfs_dbuf_dbuf_cache_size_max kstat.zfs.misc.dbufstats.dbuf_cache_size_max
 # TYPE node_zfs_dbuf_dbuf_cache_size_max untyped
 node_zfs_dbuf_dbuf_cache_size_max 394240
-# HELP node_zfs_dbuf_dbuf_cache_total_evicts kstat.zfs.misc.dbuf_stats.dbuf_cache_total_evicts
+# HELP node_zfs_dbuf_dbuf_cache_total_evicts kstat.zfs.misc.dbufstats.dbuf_cache_total_evicts
 # TYPE node_zfs_dbuf_dbuf_cache_total_evicts untyped
 node_zfs_dbuf_dbuf_cache_total_evicts 0
-# HELP node_zfs_dbuf_hash_chain_max kstat.zfs.misc.dbuf_stats.hash_chain_max
+# HELP node_zfs_dbuf_hash_chain_max kstat.zfs.misc.dbufstats.hash_chain_max
 # TYPE node_zfs_dbuf_hash_chain_max untyped
 node_zfs_dbuf_hash_chain_max 0
-# HELP node_zfs_dbuf_hash_chains kstat.zfs.misc.dbuf_stats.hash_chains
+# HELP node_zfs_dbuf_hash_chains kstat.zfs.misc.dbufstats.hash_chains
 # TYPE node_zfs_dbuf_hash_chains untyped
 node_zfs_dbuf_hash_chains 0
-# HELP node_zfs_dbuf_hash_collisions kstat.zfs.misc.dbuf_stats.hash_collisions
+# HELP node_zfs_dbuf_hash_collisions kstat.zfs.misc.dbufstats.hash_collisions
 # TYPE node_zfs_dbuf_hash_collisions untyped
 node_zfs_dbuf_hash_collisions 0
-# HELP node_zfs_dbuf_hash_dbuf_level_0 kstat.zfs.misc.dbuf_stats.hash_dbuf_level_0
+# HELP node_zfs_dbuf_hash_dbuf_level_0 kstat.zfs.misc.dbufstats.hash_dbuf_level_0
 # TYPE node_zfs_dbuf_hash_dbuf_level_0 untyped
 node_zfs_dbuf_hash_dbuf_level_0 37
-# HELP node_zfs_dbuf_hash_dbuf_level_0_bytes kstat.zfs.misc.dbuf_stats.hash_dbuf_level_0_bytes
+# HELP node_zfs_dbuf_hash_dbuf_level_0_bytes kstat.zfs.misc.dbufstats.hash_dbuf_level_0_bytes
 # TYPE node_zfs_dbuf_hash_dbuf_level_0_bytes untyped
 node_zfs_dbuf_hash_dbuf_level_0_bytes 465920
-# HELP node_zfs_dbuf_hash_dbuf_level_1 kstat.zfs.misc.dbuf_stats.hash_dbuf_level_1
+# HELP node_zfs_dbuf_hash_dbuf_level_1 kstat.zfs.misc.dbufstats.hash_dbuf_level_1
 # TYPE node_zfs_dbuf_hash_dbuf_level_1 untyped
 node_zfs_dbuf_hash_dbuf_level_1 10
-# HELP node_zfs_dbuf_hash_dbuf_level_10 kstat.zfs.misc.dbuf_stats.hash_dbuf_level_10
+# HELP node_zfs_dbuf_hash_dbuf_level_10 kstat.zfs.misc.dbufstats.hash_dbuf_level_10
 # TYPE node_zfs_dbuf_hash_dbuf_level_10 untyped
 node_zfs_dbuf_hash_dbuf_level_10 0
-# HELP node_zfs_dbuf_hash_dbuf_level_10_bytes kstat.zfs.misc.dbuf_stats.hash_dbuf_level_10_bytes
+# HELP node_zfs_dbuf_hash_dbuf_level_10_bytes kstat.zfs.misc.dbufstats.hash_dbuf_level_10_bytes
 # TYPE node_zfs_dbuf_hash_dbuf_level_10_bytes untyped
 node_zfs_dbuf_hash_dbuf_level_10_bytes 0
-# HELP node_zfs_dbuf_hash_dbuf_level_11 kstat.zfs.misc.dbuf_stats.hash_dbuf_level_11
+# HELP node_zfs_dbuf_hash_dbuf_level_11 kstat.zfs.misc.dbufstats.hash_dbuf_level_11
 # TYPE node_zfs_dbuf_hash_dbuf_level_11 untyped
 node_zfs_dbuf_hash_dbuf_level_11 0
-# HELP node_zfs_dbuf_hash_dbuf_level_11_bytes kstat.zfs.misc.dbuf_stats.hash_dbuf_level_11_bytes
+# HELP node_zfs_dbuf_hash_dbuf_level_11_bytes kstat.zfs.misc.dbufstats.hash_dbuf_level_11_bytes
 # TYPE node_zfs_dbuf_hash_dbuf_level_11_bytes untyped
 node_zfs_dbuf_hash_dbuf_level_11_bytes 0
-# HELP node_zfs_dbuf_hash_dbuf_level_1_bytes kstat.zfs.misc.dbuf_stats.hash_dbuf_level_1_bytes
+# HELP node_zfs_dbuf_hash_dbuf_level_1_bytes kstat.zfs.misc.dbufstats.hash_dbuf_level_1_bytes
 # TYPE node_zfs_dbuf_hash_dbuf_level_1_bytes untyped
 node_zfs_dbuf_hash_dbuf_level_1_bytes 1.31072e+06
-# HELP node_zfs_dbuf_hash_dbuf_level_2 kstat.zfs.misc.dbuf_stats.hash_dbuf_level_2
+# HELP node_zfs_dbuf_hash_dbuf_level_2 kstat.zfs.misc.dbufstats.hash_dbuf_level_2
 # TYPE node_zfs_dbuf_hash_dbuf_level_2 untyped
 node_zfs_dbuf_hash_dbuf_level_2 2
-# HELP node_zfs_dbuf_hash_dbuf_level_2_bytes kstat.zfs.misc.dbuf_stats.hash_dbuf_level_2_bytes
+# HELP node_zfs_dbuf_hash_dbuf_level_2_bytes kstat.zfs.misc.dbufstats.hash_dbuf_level_2_bytes
 # TYPE node_zfs_dbuf_hash_dbuf_level_2_bytes untyped
 node_zfs_dbuf_hash_dbuf_level_2_bytes 262144
-# HELP node_zfs_dbuf_hash_dbuf_level_3 kstat.zfs.misc.dbuf_stats.hash_dbuf_level_3
+# HELP node_zfs_dbuf_hash_dbuf_level_3 kstat.zfs.misc.dbufstats.hash_dbuf_level_3
 # TYPE node_zfs_dbuf_hash_dbuf_level_3 untyped
 node_zfs_dbuf_hash_dbuf_level_3 2
-# HELP node_zfs_dbuf_hash_dbuf_level_3_bytes kstat.zfs.misc.dbuf_stats.hash_dbuf_level_3_bytes
+# HELP node_zfs_dbuf_hash_dbuf_level_3_bytes kstat.zfs.misc.dbufstats.hash_dbuf_level_3_bytes
 # TYPE node_zfs_dbuf_hash_dbuf_level_3_bytes untyped
 node_zfs_dbuf_hash_dbuf_level_3_bytes 262144
-# HELP node_zfs_dbuf_hash_dbuf_level_4 kstat.zfs.misc.dbuf_stats.hash_dbuf_level_4
+# HELP node_zfs_dbuf_hash_dbuf_level_4 kstat.zfs.misc.dbufstats.hash_dbuf_level_4
 # TYPE node_zfs_dbuf_hash_dbuf_level_4 untyped
 node_zfs_dbuf_hash_dbuf_level_4 2
-# HELP node_zfs_dbuf_hash_dbuf_level_4_bytes kstat.zfs.misc.dbuf_stats.hash_dbuf_level_4_bytes
+# HELP node_zfs_dbuf_hash_dbuf_level_4_bytes kstat.zfs.misc.dbufstats.hash_dbuf_level_4_bytes
 # TYPE node_zfs_dbuf_hash_dbuf_level_4_bytes untyped
 node_zfs_dbuf_hash_dbuf_level_4_bytes 262144
-# HELP node_zfs_dbuf_hash_dbuf_level_5 kstat.zfs.misc.dbuf_stats.hash_dbuf_level_5
+# HELP node_zfs_dbuf_hash_dbuf_level_5 kstat.zfs.misc.dbufstats.hash_dbuf_level_5
 # TYPE node_zfs_dbuf_hash_dbuf_level_5 untyped
 node_zfs_dbuf_hash_dbuf_level_5 2
-# HELP node_zfs_dbuf_hash_dbuf_level_5_bytes kstat.zfs.misc.dbuf_stats.hash_dbuf_level_5_bytes
+# HELP node_zfs_dbuf_hash_dbuf_level_5_bytes kstat.zfs.misc.dbufstats.hash_dbuf_level_5_bytes
 # TYPE node_zfs_dbuf_hash_dbuf_level_5_bytes untyped
 node_zfs_dbuf_hash_dbuf_level_5_bytes 262144
-# HELP node_zfs_dbuf_hash_dbuf_level_6 kstat.zfs.misc.dbuf_stats.hash_dbuf_level_6
+# HELP node_zfs_dbuf_hash_dbuf_level_6 kstat.zfs.misc.dbufstats.hash_dbuf_level_6
 # TYPE node_zfs_dbuf_hash_dbuf_level_6 untyped
 node_zfs_dbuf_hash_dbuf_level_6 0
-# HELP node_zfs_dbuf_hash_dbuf_level_6_bytes kstat.zfs.misc.dbuf_stats.hash_dbuf_level_6_bytes
+# HELP node_zfs_dbuf_hash_dbuf_level_6_bytes kstat.zfs.misc.dbufstats.hash_dbuf_level_6_bytes
 # TYPE node_zfs_dbuf_hash_dbuf_level_6_bytes untyped
 node_zfs_dbuf_hash_dbuf_level_6_bytes 0
-# HELP node_zfs_dbuf_hash_dbuf_level_7 kstat.zfs.misc.dbuf_stats.hash_dbuf_level_7
+# HELP node_zfs_dbuf_hash_dbuf_level_7 kstat.zfs.misc.dbufstats.hash_dbuf_level_7
 # TYPE node_zfs_dbuf_hash_dbuf_level_7 untyped
 node_zfs_dbuf_hash_dbuf_level_7 0
-# HELP node_zfs_dbuf_hash_dbuf_level_7_bytes kstat.zfs.misc.dbuf_stats.hash_dbuf_level_7_bytes
+# HELP node_zfs_dbuf_hash_dbuf_level_7_bytes kstat.zfs.misc.dbufstats.hash_dbuf_level_7_bytes
 # TYPE node_zfs_dbuf_hash_dbuf_level_7_bytes untyped
 node_zfs_dbuf_hash_dbuf_level_7_bytes 0
-# HELP node_zfs_dbuf_hash_dbuf_level_8 kstat.zfs.misc.dbuf_stats.hash_dbuf_level_8
+# HELP node_zfs_dbuf_hash_dbuf_level_8 kstat.zfs.misc.dbufstats.hash_dbuf_level_8
 # TYPE node_zfs_dbuf_hash_dbuf_level_8 untyped
 node_zfs_dbuf_hash_dbuf_level_8 0
-# HELP node_zfs_dbuf_hash_dbuf_level_8_bytes kstat.zfs.misc.dbuf_stats.hash_dbuf_level_8_bytes
+# HELP node_zfs_dbuf_hash_dbuf_level_8_bytes kstat.zfs.misc.dbufstats.hash_dbuf_level_8_bytes
 # TYPE node_zfs_dbuf_hash_dbuf_level_8_bytes untyped
 node_zfs_dbuf_hash_dbuf_level_8_bytes 0
-# HELP node_zfs_dbuf_hash_dbuf_level_9 kstat.zfs.misc.dbuf_stats.hash_dbuf_level_9
+# HELP node_zfs_dbuf_hash_dbuf_level_9 kstat.zfs.misc.dbufstats.hash_dbuf_level_9
 # TYPE node_zfs_dbuf_hash_dbuf_level_9 untyped
 node_zfs_dbuf_hash_dbuf_level_9 0
-# HELP node_zfs_dbuf_hash_dbuf_level_9_bytes kstat.zfs.misc.dbuf_stats.hash_dbuf_level_9_bytes
+# HELP node_zfs_dbuf_hash_dbuf_level_9_bytes kstat.zfs.misc.dbufstats.hash_dbuf_level_9_bytes
 # TYPE node_zfs_dbuf_hash_dbuf_level_9_bytes untyped
 node_zfs_dbuf_hash_dbuf_level_9_bytes 0
-# HELP node_zfs_dbuf_hash_elements kstat.zfs.misc.dbuf_stats.hash_elements
+# HELP node_zfs_dbuf_hash_elements kstat.zfs.misc.dbufstats.hash_elements
 # TYPE node_zfs_dbuf_hash_elements untyped
 node_zfs_dbuf_hash_elements 55
-# HELP node_zfs_dbuf_hash_elements_max kstat.zfs.misc.dbuf_stats.hash_elements_max
+# HELP node_zfs_dbuf_hash_elements_max kstat.zfs.misc.dbufstats.hash_elements_max
 # TYPE node_zfs_dbuf_hash_elements_max untyped
 node_zfs_dbuf_hash_elements_max 55
-# HELP node_zfs_dbuf_hash_hits kstat.zfs.misc.dbuf_stats.hash_hits
+# HELP node_zfs_dbuf_hash_hits kstat.zfs.misc.dbufstats.hash_hits
 # TYPE node_zfs_dbuf_hash_hits untyped
 node_zfs_dbuf_hash_hits 108807
-# HELP node_zfs_dbuf_hash_insert_race kstat.zfs.misc.dbuf_stats.hash_insert_race
+# HELP node_zfs_dbuf_hash_insert_race kstat.zfs.misc.dbufstats.hash_insert_race
 # TYPE node_zfs_dbuf_hash_insert_race untyped
 node_zfs_dbuf_hash_insert_race 0
-# HELP node_zfs_dbuf_hash_misses kstat.zfs.misc.dbuf_stats.hash_misses
+# HELP node_zfs_dbuf_hash_misses kstat.zfs.misc.dbufstats.hash_misses
 # TYPE node_zfs_dbuf_hash_misses untyped
 node_zfs_dbuf_hash_misses 1851
 # HELP node_zfs_dmu_tx_dmu_tx_assigned kstat.zfs.misc.dmu_tx.dmu_tx_assigned