541 lines
21 KiB
Go
541 lines
21 KiB
Go
// +build linux
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package zfs
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import (
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"io/ioutil"
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"os"
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"testing"
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"github.com/influxdata/telegraf/testutil"
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"github.com/stretchr/testify/require"
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)
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const arcstatsContents = `5 1 0x01 86 4128 23617128247 12081618582809582
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name type data
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hits 4 5968846374
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misses 4 1659178751
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demand_data_hits 4 4860247322
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demand_data_misses 4 501499535
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demand_metadata_hits 4 708608325
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demand_metadata_misses 4 156591375
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prefetch_data_hits 4 367047144
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prefetch_data_misses 4 974529898
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prefetch_metadata_hits 4 32943583
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prefetch_metadata_misses 4 26557943
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mru_hits 4 301176811
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mru_ghost_hits 4 47066067
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mfu_hits 4 5520612438
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mfu_ghost_hits 4 45784009
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deleted 4 1718937704
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recycle_miss 4 481222994
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mutex_miss 4 20575623
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evict_skip 4 14655903906543
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evict_l2_cached 4 145310202998272
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evict_l2_eligible 4 16345402777088
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evict_l2_ineligible 4 7437226893312
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hash_elements 4 36617980
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hash_elements_max 4 36618318
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hash_collisions 4 554145157
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hash_chains 4 4187651
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hash_chain_max 4 26
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p 4 13963222064
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c 4 16381258376
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c_min 4 4194304
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c_max 4 16884125696
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size 4 16319887096
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hdr_size 4 42567864
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data_size 4 60066304
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meta_size 4 1701534208
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other_size 4 1661543168
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anon_size 4 94720
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anon_evict_data 4 0
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anon_evict_metadata 4 0
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mru_size 4 973099008
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mru_evict_data 4 9175040
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mru_evict_metadata 4 32768
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mru_ghost_size 4 32768
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mru_ghost_evict_data 4 0
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mru_ghost_evict_metadata 4 32768
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mfu_size 4 788406784
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mfu_evict_data 4 50881024
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mfu_evict_metadata 4 81920
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mfu_ghost_size 4 0
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mfu_ghost_evict_data 4 0
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mfu_ghost_evict_metadata 4 0
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l2_hits 4 573868618
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l2_misses 4 1085309718
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l2_feeds 4 12182087
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l2_rw_clash 4 9610
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l2_read_bytes 4 32695938336768
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l2_write_bytes 4 2826774778880
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l2_writes_sent 4 4267687
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l2_writes_done 4 4267687
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l2_writes_error 4 0
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l2_writes_hdr_miss 4 164
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l2_evict_lock_retry 4 5
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l2_evict_reading 4 0
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l2_free_on_write 4 1606914
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l2_cdata_free_on_write 4 1775
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l2_abort_lowmem 4 83462
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l2_cksum_bad 4 393860640
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l2_io_error 4 53881460
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l2_size 4 2471466648576
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l2_asize 4 2461690072064
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l2_hdr_size 4 12854175552
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l2_compress_successes 4 12184849
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l2_compress_zeros 4 0
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l2_compress_failures 4 0
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memory_throttle_count 4 0
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duplicate_buffers 4 0
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duplicate_buffers_size 4 0
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duplicate_reads 4 0
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memory_direct_count 4 5159942
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memory_indirect_count 4 3034640
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arc_no_grow 4 0
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arc_tempreserve 4 0
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arc_loaned_bytes 4 0
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arc_prune 4 114554259559
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arc_meta_used 4 16259820792
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arc_meta_limit 4 12663094272
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arc_meta_max 4 18327165696
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`
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const zfetchstatsContents = `3 1 0x01 11 528 23607270446 12081656848148208
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name type data
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hits 4 7812959060
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misses 4 4154484207
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colinear_hits 4 1366368
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colinear_misses 4 4153117839
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stride_hits 4 7309776732
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stride_misses 4 222766182
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reclaim_successes 4 107788388
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reclaim_failures 4 4045329451
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streams_resets 4 20989756
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streams_noresets 4 503182328
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bogus_streams 4 0
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`
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const pool_ioContents = `11 3 0x00 1 80 2225326830828 32953476980628
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nread nwritten reads writes wtime wlentime wupdate rtime rlentime rupdate wcnt rcnt
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1884160 6450688 22 978 272187126 2850519036 2263669418655 424226814 2850519036 2263669871823 0 0
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`
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const zilContents = `7 1 0x01 14 672 34118481334 437444452158445
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name type data
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zil_commit_count 4 77
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zil_commit_writer_count 4 77
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zil_itx_count 4 1
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zil_itx_indirect_count 4 2
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zil_itx_indirect_bytes 4 3
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zil_itx_copied_count 4 4
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zil_itx_copied_bytes 4 5
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zil_itx_needcopy_count 4 6
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zil_itx_needcopy_bytes 4 7
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zil_itx_metaslab_normal_count 4 8
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zil_itx_metaslab_normal_bytes 4 9
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zil_itx_metaslab_slog_count 4 10
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zil_itx_metaslab_slog_bytes 4 11
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`
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const fmContents = `0 1 0x01 4 192 34087340971 437562103532892
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name type data
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erpt-dropped 4 101
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erpt-set-failed 4 202
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fmri-set-failed 4 303
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payload-set-failed 4 404
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`
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const dmu_txContents = `5 1 0x01 11 528 34103260832 437683925071438
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name type data
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dmu_tx_assigned 4 39321636
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dmu_tx_delay 4 111
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dmu_tx_error 4 222
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dmu_tx_suspended 4 333
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dmu_tx_group 4 444
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dmu_tx_memory_reserve 4 555
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dmu_tx_memory_reclaim 4 666
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dmu_tx_dirty_throttle 4 777
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dmu_tx_dirty_delay 4 888
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dmu_tx_dirty_over_max 4 999
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dmu_tx_quota 4 101010
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`
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const abdstatsContents = `7 1 0x01 21 1008 25476602923533 29223577332204
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name type data
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struct_size 4 33840
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linear_cnt 4 834
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linear_data_size 4 989696
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scatter_cnt 4 12
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scatter_data_size 4 187904
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scatter_chunk_waste 4 4608
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scatter_order_0 4 1
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scatter_order_1 4 21
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scatter_order_2 4 11
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scatter_order_3 4 33
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scatter_order_4 4 44
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scatter_order_5 4 76
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scatter_order_6 4 489
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scatter_order_7 4 237483
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scatter_order_8 4 233
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scatter_order_9 4 4411
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scatter_order_10 4 1023
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scatter_page_multi_chunk 4 32122
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scatter_page_multi_zone 4 9930
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scatter_page_alloc_retry 4 99311
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scatter_sg_table_retry 4 99221
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`
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const dbufcachestatsContents = `
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15 1 0x01 11 2992 6257505590736 8516276189184
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name type data
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size 4 242688
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size_max 4 338944
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max_bytes 4 62834368
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lowater_bytes 4 56550932
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hiwater_bytes 4 69117804
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total_evicts 4 0
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hash_collisions 4 0
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hash_elements 4 31
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hash_elements_max 4 32
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hash_chains 4 0
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hash_chain_max 4 0
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`
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const dnodestatsContents = `
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10 1 0x01 28 7616 6257498525011 8671911551753
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name type data
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dnode_hold_dbuf_hold 4 0
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dnode_hold_dbuf_read 4 0
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dnode_hold_alloc_hits 4 1460
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dnode_hold_alloc_misses 4 0
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dnode_hold_alloc_interior 4 0
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dnode_hold_alloc_lock_retry 4 0
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dnode_hold_alloc_lock_misses 4 0
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dnode_hold_alloc_type_none 4 0
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dnode_hold_free_hits 4 2
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dnode_hold_free_misses 4 0
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dnode_hold_free_lock_misses 4 0
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dnode_hold_free_lock_retry 4 0
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dnode_hold_free_overflow 4 0
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dnode_hold_free_refcount 4 0
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dnode_hold_free_txg 4 0
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dnode_allocate 4 2
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dnode_reallocate 4 0
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dnode_buf_evict 4 6
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dnode_alloc_next_chunk 4 1
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dnode_alloc_race 4 0
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dnode_alloc_next_block 4 0
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dnode_move_invalid 4 0
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dnode_move_recheck1 4 0
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dnode_move_recheck2 4 0
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dnode_move_special 4 0
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dnode_move_handle 4 0
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dnode_move_rwlock 4 0
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dnode_move_active 4 0
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`
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const vdevmirrorcachestatsContents = `
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18 1 0x01 7 1904 6257505684227 9638257816287
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name type data
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rotating_linear 4 0
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rotating_offset 4 0
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rotating_seek 4 0
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non_rotating_linear 4 0
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non_rotating_seek 4 0
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preferred_found 4 0
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preferred_not_found 4 43
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`
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var testKstatPath = os.TempDir() + "/telegraf/proc/spl/kstat/zfs"
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func TestZfsPoolMetrics(t *testing.T) {
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err := os.MkdirAll(testKstatPath, 0755)
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require.NoError(t, err)
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err = os.MkdirAll(testKstatPath+"/HOME", 0755)
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require.NoError(t, err)
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err = ioutil.WriteFile(testKstatPath+"/HOME/io", []byte(pool_ioContents), 0644)
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require.NoError(t, err)
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err = ioutil.WriteFile(testKstatPath+"/arcstats", []byte(arcstatsContents), 0644)
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require.NoError(t, err)
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poolMetrics := getPoolMetrics()
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var acc testutil.Accumulator
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z := &Zfs{KstatPath: testKstatPath, KstatMetrics: []string{"arcstats"}}
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err = z.Gather(&acc)
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require.NoError(t, err)
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require.False(t, acc.HasMeasurement("zfs_pool"))
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acc.Metrics = nil
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z = &Zfs{KstatPath: testKstatPath, KstatMetrics: []string{"arcstats"}, PoolMetrics: true}
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err = z.Gather(&acc)
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require.NoError(t, err)
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//one pool, all metrics
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tags := map[string]string{
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"pool": "HOME",
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}
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acc.AssertContainsTaggedFields(t, "zfs_pool", poolMetrics, tags)
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err = os.RemoveAll(os.TempDir() + "/telegraf")
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require.NoError(t, err)
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}
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func TestZfsGeneratesMetrics(t *testing.T) {
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err := os.MkdirAll(testKstatPath, 0755)
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require.NoError(t, err)
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err = os.MkdirAll(testKstatPath+"/HOME", 0755)
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require.NoError(t, err)
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err = ioutil.WriteFile(testKstatPath+"/HOME/io", []byte(""), 0644)
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require.NoError(t, err)
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err = ioutil.WriteFile(testKstatPath+"/arcstats", []byte(arcstatsContents), 0644)
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require.NoError(t, err)
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err = ioutil.WriteFile(testKstatPath+"/zfetchstats", []byte(zfetchstatsContents), 0644)
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require.NoError(t, err)
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err = ioutil.WriteFile(testKstatPath+"/zil", []byte(zilContents), 0644)
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require.NoError(t, err)
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err = ioutil.WriteFile(testKstatPath+"/fm", []byte(fmContents), 0644)
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require.NoError(t, err)
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err = ioutil.WriteFile(testKstatPath+"/dmu_tx", []byte(dmu_txContents), 0644)
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require.NoError(t, err)
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err = ioutil.WriteFile(testKstatPath+"/abdstats", []byte(abdstatsContents), 0644)
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require.NoError(t, err)
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intMetrics := getKstatMetricsAll()
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var acc testutil.Accumulator
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//one pool, all metrics
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tags := map[string]string{
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"pools": "HOME",
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}
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z := &Zfs{KstatPath: testKstatPath}
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err = z.Gather(&acc)
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require.NoError(t, err)
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acc.AssertContainsTaggedFields(t, "zfs", intMetrics, tags)
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acc.Metrics = nil
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//two pools, all metrics
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err = os.MkdirAll(testKstatPath+"/STORAGE", 0755)
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require.NoError(t, err)
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err = ioutil.WriteFile(testKstatPath+"/STORAGE/io", []byte(""), 0644)
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require.NoError(t, err)
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tags = map[string]string{
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"pools": "HOME::STORAGE",
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}
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z = &Zfs{KstatPath: testKstatPath}
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acc2 := testutil.Accumulator{}
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err = z.Gather(&acc2)
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require.NoError(t, err)
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acc2.AssertContainsTaggedFields(t, "zfs", intMetrics, tags)
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acc2.Metrics = nil
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intMetrics = getKstatMetricsArcOnly()
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//two pools, one metric
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z = &Zfs{KstatPath: testKstatPath, KstatMetrics: []string{"arcstats"}}
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acc3 := testutil.Accumulator{}
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err = z.Gather(&acc3)
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require.NoError(t, err)
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acc3.AssertContainsTaggedFields(t, "zfs", intMetrics, tags)
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err = os.RemoveAll(os.TempDir() + "/telegraf")
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require.NoError(t, err)
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}
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func getKstatMetricsArcOnly() map[string]interface{} {
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return map[string]interface{}{
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"arcstats_hits": int64(5968846374),
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"arcstats_misses": int64(1659178751),
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"arcstats_demand_data_hits": int64(4860247322),
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"arcstats_demand_data_misses": int64(501499535),
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"arcstats_demand_metadata_hits": int64(708608325),
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"arcstats_demand_metadata_misses": int64(156591375),
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"arcstats_prefetch_data_hits": int64(367047144),
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"arcstats_prefetch_data_misses": int64(974529898),
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"arcstats_prefetch_metadata_hits": int64(32943583),
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"arcstats_prefetch_metadata_misses": int64(26557943),
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"arcstats_mru_hits": int64(301176811),
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"arcstats_mru_ghost_hits": int64(47066067),
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"arcstats_mfu_hits": int64(5520612438),
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"arcstats_mfu_ghost_hits": int64(45784009),
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"arcstats_deleted": int64(1718937704),
|
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"arcstats_recycle_miss": int64(481222994),
|
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"arcstats_mutex_miss": int64(20575623),
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"arcstats_evict_skip": int64(14655903906543),
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"arcstats_evict_l2_cached": int64(145310202998272),
|
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"arcstats_evict_l2_eligible": int64(16345402777088),
|
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"arcstats_evict_l2_ineligible": int64(7437226893312),
|
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"arcstats_hash_elements": int64(36617980),
|
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"arcstats_hash_elements_max": int64(36618318),
|
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"arcstats_hash_collisions": int64(554145157),
|
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"arcstats_hash_chains": int64(4187651),
|
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"arcstats_hash_chain_max": int64(26),
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"arcstats_p": int64(13963222064),
|
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"arcstats_c": int64(16381258376),
|
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"arcstats_c_min": int64(4194304),
|
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"arcstats_c_max": int64(16884125696),
|
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"arcstats_size": int64(16319887096),
|
|
"arcstats_hdr_size": int64(42567864),
|
|
"arcstats_data_size": int64(60066304),
|
|
"arcstats_meta_size": int64(1701534208),
|
|
"arcstats_other_size": int64(1661543168),
|
|
"arcstats_anon_size": int64(94720),
|
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"arcstats_anon_evict_data": int64(0),
|
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"arcstats_anon_evict_metadata": int64(0),
|
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"arcstats_mru_size": int64(973099008),
|
|
"arcstats_mru_evict_data": int64(9175040),
|
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"arcstats_mru_evict_metadata": int64(32768),
|
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"arcstats_mru_ghost_size": int64(32768),
|
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"arcstats_mru_ghost_evict_data": int64(0),
|
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"arcstats_mru_ghost_evict_metadata": int64(32768),
|
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"arcstats_mfu_size": int64(788406784),
|
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"arcstats_mfu_evict_data": int64(50881024),
|
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"arcstats_mfu_evict_metadata": int64(81920),
|
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"arcstats_mfu_ghost_size": int64(0),
|
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"arcstats_mfu_ghost_evict_data": int64(0),
|
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"arcstats_mfu_ghost_evict_metadata": int64(0),
|
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"arcstats_l2_hits": int64(573868618),
|
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"arcstats_l2_misses": int64(1085309718),
|
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"arcstats_l2_feeds": int64(12182087),
|
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"arcstats_l2_rw_clash": int64(9610),
|
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"arcstats_l2_read_bytes": int64(32695938336768),
|
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"arcstats_l2_write_bytes": int64(2826774778880),
|
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"arcstats_l2_writes_sent": int64(4267687),
|
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"arcstats_l2_writes_done": int64(4267687),
|
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"arcstats_l2_writes_error": int64(0),
|
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"arcstats_l2_writes_hdr_miss": int64(164),
|
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"arcstats_l2_evict_lock_retry": int64(5),
|
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"arcstats_l2_evict_reading": int64(0),
|
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"arcstats_l2_free_on_write": int64(1606914),
|
|
"arcstats_l2_cdata_free_on_write": int64(1775),
|
|
"arcstats_l2_abort_lowmem": int64(83462),
|
|
"arcstats_l2_cksum_bad": int64(393860640),
|
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"arcstats_l2_io_error": int64(53881460),
|
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"arcstats_l2_size": int64(2471466648576),
|
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"arcstats_l2_asize": int64(2461690072064),
|
|
"arcstats_l2_hdr_size": int64(12854175552),
|
|
"arcstats_l2_compress_successes": int64(12184849),
|
|
"arcstats_l2_compress_zeros": int64(0),
|
|
"arcstats_l2_compress_failures": int64(0),
|
|
"arcstats_memory_throttle_count": int64(0),
|
|
"arcstats_duplicate_buffers": int64(0),
|
|
"arcstats_duplicate_buffers_size": int64(0),
|
|
"arcstats_duplicate_reads": int64(0),
|
|
"arcstats_memory_direct_count": int64(5159942),
|
|
"arcstats_memory_indirect_count": int64(3034640),
|
|
"arcstats_arc_no_grow": int64(0),
|
|
"arcstats_arc_tempreserve": int64(0),
|
|
"arcstats_arc_loaned_bytes": int64(0),
|
|
"arcstats_arc_prune": int64(114554259559),
|
|
"arcstats_arc_meta_used": int64(16259820792),
|
|
"arcstats_arc_meta_limit": int64(12663094272),
|
|
"arcstats_arc_meta_max": int64(18327165696),
|
|
}
|
|
}
|
|
|
|
func getKstatMetricsAll() map[string]interface{} {
|
|
otherMetrics := map[string]interface{}{
|
|
"zfetchstats_hits": int64(7812959060),
|
|
"zfetchstats_misses": int64(4154484207),
|
|
"zfetchstats_colinear_hits": int64(1366368),
|
|
"zfetchstats_colinear_misses": int64(4153117839),
|
|
"zfetchstats_stride_hits": int64(7309776732),
|
|
"zfetchstats_stride_misses": int64(222766182),
|
|
"zfetchstats_reclaim_successes": int64(107788388),
|
|
"zfetchstats_reclaim_failures": int64(4045329451),
|
|
"zfetchstats_streams_resets": int64(20989756),
|
|
"zfetchstats_streams_noresets": int64(503182328),
|
|
"zfetchstats_bogus_streams": int64(0),
|
|
"zil_commit_count": int64(77),
|
|
"zil_commit_writer_count": int64(77),
|
|
"zil_itx_count": int64(1),
|
|
"zil_itx_indirect_count": int64(2),
|
|
"zil_itx_indirect_bytes": int64(3),
|
|
"zil_itx_copied_count": int64(4),
|
|
"zil_itx_copied_bytes": int64(5),
|
|
"zil_itx_needcopy_count": int64(6),
|
|
"zil_itx_needcopy_bytes": int64(7),
|
|
"zil_itx_metaslab_normal_count": int64(8),
|
|
"zil_itx_metaslab_normal_bytes": int64(9),
|
|
"zil_itx_metaslab_slog_count": int64(10),
|
|
"zil_itx_metaslab_slog_bytes": int64(11),
|
|
"fm_erpt-dropped": int64(101),
|
|
"fm_erpt-set-failed": int64(202),
|
|
"fm_fmri-set-failed": int64(303),
|
|
"fm_payload-set-failed": int64(404),
|
|
"dmu_tx_assigned": int64(39321636),
|
|
"dmu_tx_delay": int64(111),
|
|
"dmu_tx_error": int64(222),
|
|
"dmu_tx_suspended": int64(333),
|
|
"dmu_tx_group": int64(444),
|
|
"dmu_tx_memory_reserve": int64(555),
|
|
"dmu_tx_memory_reclaim": int64(666),
|
|
"dmu_tx_dirty_throttle": int64(777),
|
|
"dmu_tx_dirty_delay": int64(888),
|
|
"dmu_tx_dirty_over_max": int64(999),
|
|
"dmu_tx_quota": int64(101010),
|
|
"abdstats_struct_size": int64(33840),
|
|
"abdstats_linear_cnt": int64(834),
|
|
"abdstats_linear_data_size": int64(989696),
|
|
"abdstats_scatter_cnt": int64(12),
|
|
"abdstats_scatter_data_size": int64(187904),
|
|
"abdstats_scatter_chunk_waste": int64(4608),
|
|
"abdstats_scatter_order_0": int64(1),
|
|
"abdstats_scatter_order_1": int64(21),
|
|
"abdstats_scatter_order_2": int64(11),
|
|
"abdstats_scatter_order_3": int64(33),
|
|
"abdstats_scatter_order_4": int64(44),
|
|
"abdstats_scatter_order_5": int64(76),
|
|
"abdstats_scatter_order_6": int64(489),
|
|
"abdstats_scatter_order_7": int64(237483),
|
|
"abdstats_scatter_order_8": int64(233),
|
|
"abdstats_scatter_order_9": int64(4411),
|
|
"abdstats_scatter_order_10": int64(1023),
|
|
"abdstats_scatter_page_multi_chunk": int64(32122),
|
|
"abdstats_scatter_page_multi_zone": int64(9930),
|
|
"abdstats_scatter_page_alloc_retry": int64(99311),
|
|
"abdstats_scatter_sg_table_retry": int64(99221),
|
|
}
|
|
arcMetrics := getKstatMetricsArcOnly()
|
|
for k, v := range otherMetrics {
|
|
arcMetrics[k] = v
|
|
}
|
|
return arcMetrics
|
|
}
|
|
|
|
func getPoolMetrics() map[string]interface{} {
|
|
return map[string]interface{}{
|
|
"nread": int64(1884160),
|
|
"nwritten": int64(6450688),
|
|
"reads": int64(22),
|
|
"writes": int64(978),
|
|
"wtime": int64(272187126),
|
|
"wlentime": int64(2850519036),
|
|
"wupdate": int64(2263669418655),
|
|
"rtime": int64(424226814),
|
|
"rlentime": int64(2850519036),
|
|
"rupdate": int64(2263669871823),
|
|
"wcnt": int64(0),
|
|
"rcnt": int64(0),
|
|
}
|
|
}
|