lock_stat version 0.3
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
                              class name    con-bounces    contentions   waittime-min   waittime-max waittime-total    acq-bounces   acquisitions   holdtime-min   holdtime-max holdtime-total
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

                      &eb->write_lock_wq:      89159153       95166817           0.09         420.16   702551384.55      149932593      171732691           0.08         319.52   260704764.79
                      ------------------
                      &eb->write_lock_wq       15992343          [<ffffffff8106e892>] __wake_up+0x32/0x70
                      &eb->write_lock_wq       30839574          [<ffffffff81063531>] finish_wait+0x41/0x80
                      &eb->write_lock_wq       48334900          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90
                      ------------------
                      &eb->write_lock_wq       50689499          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90
                      &eb->write_lock_wq       26740988          [<ffffffff8106e892>] __wake_up+0x32/0x70
                      &eb->write_lock_wq       17736328          [<ffffffff81063531>] finish_wait+0x41/0x80

...............................................................................................................................................................................................

                         btrfs-csum-01-W:      51867905       54426298           0.09        1871.71   956927927.28       71366920       91630358           0.08         493.16   279751357.11
                         btrfs-csum-01-R:      22623293       24204642           0.10         494.43   215549651.89       62385148       80746830           0.08         315.34   161579343.00
                         ---------------
                           btrfs-csum-01       18015890          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                           btrfs-csum-01       29829881          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           btrfs-csum-01        8334372          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                           btrfs-csum-01        7599112          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                         ---------------
                           btrfs-csum-01        4018095          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                           btrfs-csum-01        4344869          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                           btrfs-csum-01       18254112          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           btrfs-csum-01       37856055          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0

...............................................................................................................................................................................................

                       &eb->read_lock_wq:      17044464       18484774           0.10         333.17    99648079.19       36845213       44491152           0.08         303.25    62789487.39
                       -----------------
                       &eb->read_lock_wq        6718230          [<ffffffff8106e892>] __wake_up+0x32/0x70
                       &eb->read_lock_wq        4618244          [<ffffffff81063531>] finish_wait+0x41/0x80
                       &eb->read_lock_wq        7148300          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90
                       -----------------
                       &eb->read_lock_wq        2652098          [<ffffffff81063531>] finish_wait+0x41/0x80
                       &eb->read_lock_wq        9770254          [<ffffffff8106e892>] __wake_up+0x32/0x70
                       &eb->read_lock_wq        6062421          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90

...............................................................................................................................................................................................

                &(&eb->refs_lock)->rlock:       3586605        3716341           0.09         272.55     3983558.73      107035493      407736971           0.08         299.28    90157164.42
                ------------------------
                &(&eb->refs_lock)->rlock        1752396          [<ffffffff81325345>] check_buffer_tree_ref+0x25/0x50
                &(&eb->refs_lock)->rlock        1963944          [<ffffffff8132b7df>] free_extent_buffer+0x1f/0x90
                &(&eb->refs_lock)->rlock              1          [<ffffffff8132baef>] btree_write_cache_pages+0x29f/0x820
                ------------------------
                &(&eb->refs_lock)->rlock        1243027          [<ffffffff81325345>] check_buffer_tree_ref+0x25/0x50
                &(&eb->refs_lock)->rlock        2473314          [<ffffffff8132b7df>] free_extent_buffer+0x1f/0x90

...............................................................................................................................................................................................

   &(&cur_trans->delayed_refs.lock)->rlo:       2581543        3563703           0.17        8323.13    29707662.35        5348140       23110437           0.09        8321.09    32182158.57
   -------------------------------------
   &(&cur_trans->delayed_refs.lock)->rlo          71702          [<ffffffff8134e0ad>] btrfs_add_delayed_tree_ref+0xbd/0x210
   &(&cur_trans->delayed_refs.lock)->rlo         253445          [<ffffffff812fbc9c>] run_clustered_refs+0x19c/0xa70
   &(&cur_trans->delayed_refs.lock)->rlo        3119870          [<ffffffff812fbd83>] run_clustered_refs+0x283/0xa70
   &(&cur_trans->delayed_refs.lock)->rlo          56654          [<ffffffff8134e2bd>] btrfs_add_delayed_data_ref+0xbd/0x220
   -------------------------------------
   &(&cur_trans->delayed_refs.lock)->rlo          87024          [<ffffffff8134e0ad>] btrfs_add_delayed_tree_ref+0xbd/0x210
   &(&cur_trans->delayed_refs.lock)->rlo        3119728          [<ffffffff812fbd83>] run_clustered_refs+0x283/0xa70
   &(&cur_trans->delayed_refs.lock)->rlo          44566          [<ffffffff812fc7d1>] btrfs_run_delayed_refs+0x261/0x4b0
   &(&cur_trans->delayed_refs.lock)->rlo          74987          [<ffffffff8134e2bd>] btrfs_add_delayed_data_ref+0xbd/0x220

...............................................................................................................................................................................................

                         btrfs-csum-02-W:        580866         625046           0.11         862.58     7238557.30         754185        2487194           0.08         302.60     3712320.15
                         btrfs-csum-02-R:        454822         480822           0.11         291.73     2402728.97       73081752      128931181           0.08        1878.45   673943129.02
                         ---------------
                           btrfs-csum-02         179378          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                           btrfs-csum-02         422457          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           btrfs-csum-02         190260          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                           btrfs-csum-02         119270          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                         ---------------
                           btrfs-csum-02         356561          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                           btrfs-csum-02          91582          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                           btrfs-csum-02         209740          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           btrfs-csum-02         309099          [<ffffffff8133e83a>] btrfs_clear_lock_blocking_rw+0x6a/0x1a0

...............................................................................................................................................................................................

                           btrfs-fs-03-W:        278702         314299           0.10         532.09      508631.06         373168        7000215           0.08         294.11     9279757.13
                           btrfs-fs-03-R:        348661         352048           0.09         272.55      799291.92        7683763       50387000           0.08         302.57    38995249.45
                           -------------
                             btrfs-fs-03          89031          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                             btrfs-fs-03         206511          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                             btrfs-fs-03         210446          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                             btrfs-fs-03         107788          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           -------------
                             btrfs-fs-03         296247          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                             btrfs-fs-03          93854          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                             btrfs-fs-03          50647          [<ffffffff8133e83a>] btrfs_clear_lock_blocking_rw+0x6a/0x1a0
                             btrfs-fs-03          80324          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280

...............................................................................................................................................................................................

                  &(&found->lock)->rlock:        484631         486579           0.09         205.30      559273.94       10682031       59768214           0.08         288.17    17172444.49
                  ----------------------
                  &(&found->lock)->rlock         103800          [<ffffffff812f5cc3>] block_rsv_release_bytes+0x113/0x190
                  &(&found->lock)->rlock         150016          [<ffffffff812f8a75>] do_chunk_alloc.clone.59+0x55/0x420
                  &(&found->lock)->rlock          46715          [<ffffffff812f6c88>] update_block_group.clone.58+0x148/0x2a0
                  &(&found->lock)->rlock         113218          [<ffffffff812f9b2b>] reserve_metadata_bytes.clone.60+0x7b/0x7c0
                  ----------------------
                  &(&found->lock)->rlock         142189          [<ffffffff812f5cc3>] block_rsv_release_bytes+0x113/0x190
                  &(&found->lock)->rlock          92246          [<ffffffff812f9b2b>] reserve_metadata_bytes.clone.60+0x7b/0x7c0
                  &(&found->lock)->rlock          71295          [<ffffffff812f8a75>] do_chunk_alloc.clone.59+0x55/0x420
                  &(&found->lock)->rlock          57278          [<ffffffff812f25e4>] btrfs_update_reserved_bytes+0x44/0x140

...............................................................................................................................................................................................

                      &(&h->lock)->rlock:        473905         481220           0.19         300.06     1293898.81        3270895       11228196           0.14         305.16    16066482.90
                      ------------------
                      &(&h->lock)->rlock          14789          [<ffffffff813948d7>] blk_flush_plug_list+0x187/0x230
                      &(&h->lock)->rlock          71049          [<ffffffffa0003237>] cciss_softirq_done+0x1a7/0x2e0 [cciss]
                      &(&h->lock)->rlock          58472          [<ffffffff81394bdc>] blk_queue_bio+0x20c/0x3b0
                      &(&h->lock)->rlock         124102          [<ffffffff81392a46>] blk_end_bidi_request+0x46/0x80
                      ------------------
                      &(&h->lock)->rlock          74700          [<ffffffff81392a46>] blk_end_bidi_request+0x46/0x80
                      &(&h->lock)->rlock          15433          [<ffffffff813948d7>] blk_flush_plug_list+0x187/0x230
                      &(&h->lock)->rlock         275937          [<ffffffffa0004cd2>] do_cciss_msix_intr+0x22/0x230 [cciss]
                      &(&h->lock)->rlock          15395          [<ffffffff81394bdc>] blk_queue_bio+0x20c/0x3b0

...............................................................................................................................................................................................

                           btrfs-fs-01-W:        139305         139466           0.17         264.98      331607.80        1793337       18034692           0.08        1423.20    15692177.21
                           btrfs-fs-01-R:        113628         113703           0.23         241.19      122577.04        4503913       20700829           0.08         291.77    20996670.79
                           -------------
                             btrfs-fs-01          18775          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                             btrfs-fs-01          19801          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                             btrfs-fs-01           2823          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                             btrfs-fs-01          71336          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           -------------
                             btrfs-fs-01          38047          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                             btrfs-fs-01           5997          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                             btrfs-fs-01          34866          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                             btrfs-fs-01           1003          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140

...............................................................................................................................................................................................

                       btrfs-extent-03-W:        112447         124807           0.12         442.98      529635.50         169589        4925554           0.08         291.05     5260382.85
                       btrfs-extent-03-R:        115733         120938           0.15         292.05      521042.67         663595       10802087           0.08         294.46     4622591.22
                       -----------------
                         btrfs-extent-03          49838          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                         btrfs-extent-03          12009          [<ffffffff8133e83a>] btrfs_clear_lock_blocking_rw+0x6a/0x1a0
                         btrfs-extent-03          40717          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                         btrfs-extent-03          68212          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                       -----------------
                         btrfs-extent-03          34153          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                         btrfs-extent-03          38899          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                         btrfs-extent-03          15564          [<ffffffff8133e83a>] btrfs_clear_lock_blocking_rw+0x6a/0x1a0
                         btrfs-extent-03         116317          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0

...............................................................................................................................................................................................

                               &rq->lock:        207767         207875           0.16         223.56      378201.71       21993527      314601470           0.07         323.17   211473258.84
                               ---------
                               &rq->lock         187039          [<ffffffff81074a87>] try_to_wake_up+0x237/0x300
                               &rq->lock           7290          [<ffffffff8169682e>] __schedule+0xbe/0x7c0
                               &rq->lock              3          [<ffffffff8106eaeb>] task_rq_lock+0x5b/0xb0
                               &rq->lock           8302          [<ffffffff8107b6ac>] load_balance+0x55c/0x820
                               ---------
                               &rq->lock         188387          [<ffffffff8169682e>] __schedule+0xbe/0x7c0
                               &rq->lock           4181          [<ffffffff810749ff>] try_to_wake_up+0x1af/0x300
                               &rq->lock              2          [<ffffffff8107b6b9>] load_balance+0x569/0x820
                               &rq->lock           7705          [<ffffffff8107b6ac>] load_balance+0x55c/0x820

...............................................................................................................................................................................................

                       btrfs-extent-01-W:        196287         202139           0.10        1285.69     1033028.86        1016700        9590086           0.08        6457.84    12108500.11
                       btrfs-extent-01-R:           504            532           0.54          88.63        4025.98           1700          13832           0.09          75.74        4640.73
                       -----------------
                         btrfs-extent-01          93023          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                         btrfs-extent-01          65870          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                         btrfs-extent-01            214          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                         btrfs-extent-01            318          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                       -----------------
                         btrfs-extent-01            122          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                         btrfs-extent-01         132222          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                         btrfs-extent-01          45196          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                         btrfs-extent-01            162          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140

...............................................................................................................................................................................................

                        rcu_node_level_1:        175498         176626           0.14         197.26      489742.49         781381        2111421           0.07         241.59      923678.60
                        ----------------
                        rcu_node_level_1         167761          [<ffffffff810c6cb1>] rcu_process_callbacks+0x391/0x530
                        rcu_node_level_1           7567          [<ffffffff810c54f7>] rcu_start_gp+0x157/0x310
                        rcu_node_level_1           1260          [<ffffffff810c5928>] force_qs_rnp+0x68/0x190
                        rcu_node_level_1             38          [<ffffffff810c580c>] rcu_report_qs_rnp+0x15c/0x210
                        ----------------
                        rcu_node_level_1         159416          [<ffffffff810c6cb1>] rcu_process_callbacks+0x391/0x530
                        rcu_node_level_1           3264          [<ffffffff810c5928>] force_qs_rnp+0x68/0x190
                        rcu_node_level_1           7747          [<ffffffff810c580c>] rcu_report_qs_rnp+0x15c/0x210
                        rcu_node_level_1           6199          [<ffffffff810c54f7>] rcu_start_gp+0x157/0x310

...............................................................................................................................................................................................

           &(&delayed_root->lock)->rlock:        137962         138338           0.11         280.95      126420.10        5890340       30707861           0.08         304.53     6557726.38
           -----------------------------
           &(&delayed_root->lock)->rlock          37511          [<ffffffff8135828a>] btrfs_async_run_delayed_node_done+0x15a/0x210
           &(&delayed_root->lock)->rlock          17247          [<ffffffff81357571>] btrfs_first_prepared_delayed_node+0x21/0x70
           &(&delayed_root->lock)->rlock          33480          [<ffffffff81356c00>] __btrfs_release_delayed_node+0x110/0x210
           &(&delayed_root->lock)->rlock          47962          [<ffffffff81356b55>] __btrfs_release_delayed_node+0x65/0x210
           -----------------------------
           &(&delayed_root->lock)->rlock          13933          [<ffffffff81357571>] btrfs_first_prepared_delayed_node+0x21/0x70
           &(&delayed_root->lock)->rlock          46290          [<ffffffff8135828a>] btrfs_async_run_delayed_node_done+0x15a/0x210
           &(&delayed_root->lock)->rlock          59287          [<ffffffff81356b55>] __btrfs_release_delayed_node+0x65/0x210
           &(&delayed_root->lock)->rlock          17466          [<ffffffff81356c00>] __btrfs_release_delayed_node+0x110/0x210

...............................................................................................................................................................................................

          &(&fs_info->trans_lock)->rlock:        131222         131622           0.24         136.57      102829.89        4578037       40070798           0.10         284.61     7946498.51
          ------------------------------
          &(&fs_info->trans_lock)->rlock          79976          [<ffffffff8130e0e5>] join_transaction.clone.25+0x25/0x370
          &(&fs_info->trans_lock)->rlock           1128          [<ffffffff8130e4e2>] wait_current_trans.clone.26+0x22/0xf0
          &(&fs_info->trans_lock)->rlock          50445          [<ffffffff8130eb48>] btrfs_transaction_in_commit+0x28/0x60
          &(&fs_info->trans_lock)->rlock             72          [<ffffffff812e6104>] add_root_to_dirty_list+0x24/0x90
          ------------------------------
          &(&fs_info->trans_lock)->rlock         113243          [<ffffffff8130e0e5>] join_transaction.clone.25+0x25/0x370
          &(&fs_info->trans_lock)->rlock          14512          [<ffffffff8130eb48>] btrfs_transaction_in_commit+0x28/0x60
          &(&fs_info->trans_lock)->rlock           3756          [<ffffffff8130e4e2>] wait_current_trans.clone.26+0x22/0xf0
          &(&fs_info->trans_lock)->rlock              2          [<ffffffff8130eba8>] btrfs_transaction_blocked+0x28/0x60

...............................................................................................................................................................................................

           &(&mapping->tree_lock)->rlock:        108490         108975           0.11         332.84      107449.94        3179145       74198628           0.10         298.38    15285591.79
           -----------------------------
           &(&mapping->tree_lock)->rlock           6213          [<ffffffff810f9a51>] add_to_page_cache_locked+0x71/0xe0
           &(&mapping->tree_lock)->rlock           7155          [<ffffffff811040f0>] __set_page_dirty_nobuffers+0x60/0x150
           &(&mapping->tree_lock)->rlock           5354          [<ffffffff81103630>] tag_pages_for_writeback+0x30/0xb0
           &(&mapping->tree_lock)->rlock          33925          [<ffffffff811042f3>] test_set_page_writeback+0x63/0x190
           -----------------------------
           &(&mapping->tree_lock)->rlock           5725          [<ffffffff810f9a51>] add_to_page_cache_locked+0x71/0xe0
           &(&mapping->tree_lock)->rlock          12529          [<ffffffff811040f0>] __set_page_dirty_nobuffers+0x60/0x150
           &(&mapping->tree_lock)->rlock           9306          [<ffffffff81103630>] tag_pages_for_writeback+0x30/0xb0
           &(&mapping->tree_lock)->rlock          39222          [<ffffffff8110586f>] test_clear_page_writeback+0x5f/0x1b0

...............................................................................................................................................................................................

          &(&workers->order_lock)->rlock:        106720         107215           0.15          78.40       87414.80        2197345        6454580           0.08         294.30     1966090.93
          ------------------------------
          &(&workers->order_lock)->rlock          23466          [<ffffffff81336f36>] run_ordered_completions+0xd6/0x110
          &(&workers->order_lock)->rlock          36037          [<ffffffff8133771f>] btrfs_queue_worker+0x24f/0x330
          &(&workers->order_lock)->rlock          28246          [<ffffffff81336eac>] run_ordered_completions+0x4c/0x110
          &(&workers->order_lock)->rlock          19466          [<ffffffff81336eef>] run_ordered_completions+0x8f/0x110
          ------------------------------
          &(&workers->order_lock)->rlock          34535          [<ffffffff8133771f>] btrfs_queue_worker+0x24f/0x330
          &(&workers->order_lock)->rlock          16360          [<ffffffff81336eef>] run_ordered_completions+0x8f/0x110
          &(&workers->order_lock)->rlock          15175          [<ffffffff81336f36>] run_ordered_completions+0xd6/0x110
          &(&workers->order_lock)->rlock          41145          [<ffffffff81336eac>] run_ordered_completions+0x4c/0x110

...............................................................................................................................................................................................

                         btrfs-csum-00-W:         94207          94910           0.11         146.73      192945.29        1851833       65175379           0.08         283.44    20204272.05
                         btrfs-csum-00-R:          1147           1257           0.52         144.55       10908.43         111649         224959           0.10         134.05       95395.90
                         ---------------
                           btrfs-csum-00            715          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                           btrfs-csum-00          52279          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           btrfs-csum-00           1637          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                           btrfs-csum-00            542          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                         ---------------
                           btrfs-csum-00           3511          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           btrfs-csum-00          79234          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                           btrfs-csum-00            205          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                           btrfs-csum-00            377          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140

...............................................................................................................................................................................................

              &(&device->io_lock)->rlock:         77260          81083           0.09         274.87      121900.53        2166718        5648189           0.08         333.42     1889661.47
              --------------------------
              &(&device->io_lock)->rlock          35733          [<ffffffff8132dd69>] run_scheduled_bios+0xb9/0x540
              &(&device->io_lock)->rlock          31812          [<ffffffff8132e31f>] schedule_bio.clone.43+0x5f/0x120
              &(&device->io_lock)->rlock          13538          [<ffffffff8132e07d>] run_scheduled_bios+0x3cd/0x540
              --------------------------
              &(&device->io_lock)->rlock          47494          [<ffffffff8132e31f>] schedule_bio.clone.43+0x5f/0x120
              &(&device->io_lock)->rlock          30371          [<ffffffff8132dd69>] run_scheduled_bios+0xb9/0x540
              &(&device->io_lock)->rlock           3218          [<ffffffff8132e07d>] run_scheduled_bios+0x3cd/0x540

...............................................................................................................................................................................................

                 &(&worker->lock)->rlock:         70681          72418           0.19         198.36       59227.14        4172911       12843615           0.10         305.75     9834067.36
                 -----------------------
                 &(&worker->lock)->rlock          21769          [<ffffffff813379b7>] worker_loop+0x1b7/0x5a0
                 &(&worker->lock)->rlock          32787          [<ffffffff81337655>] btrfs_queue_worker+0x185/0x330
                 &(&worker->lock)->rlock           5686          [<ffffffff8133791f>] worker_loop+0x11f/0x5a0
                 &(&worker->lock)->rlock          12176          [<ffffffff81337c9a>] worker_loop+0x49a/0x5a0
                 -----------------------
                 &(&worker->lock)->rlock          36026          [<ffffffff81337655>] btrfs_queue_worker+0x185/0x330
                 &(&worker->lock)->rlock          29405          [<ffffffff813379b7>] worker_loop+0x1b7/0x5a0
                 &(&worker->lock)->rlock           4271          [<ffffffff8133791f>] worker_loop+0x11f/0x5a0
                 &(&worker->lock)->rlock           2716          [<ffffffff81337c9a>] worker_loop+0x49a/0x5a0

...............................................................................................................................................................................................

             &fs_info->tree_mod_log_lock:         62064          62230           0.33       18430.20     2206002.30        1275294        5104177           0.09       10617.85     9691151.99
             ---------------------------
             &fs_info->tree_mod_log_lock          21518          [<ffffffff812e90dc>] btrfs_get_tree_mod_seq+0x3c/0xc0
             &fs_info->tree_mod_log_lock           8951          [<ffffffff812e9245>] btrfs_put_tree_mod_seq+0xe5/0x180
             &fs_info->tree_mod_log_lock          24262          [<ffffffff812e6a7f>] tree_mod_log_insert_key_mask.clone.37+0x8f/0x1d0
             &fs_info->tree_mod_log_lock           4478          [<ffffffff812e7245>] tree_mod_log_insert_move.clone.39+0x85/0x190
             ---------------------------
             &fs_info->tree_mod_log_lock          13508          [<ffffffff812e6a7f>] tree_mod_log_insert_key_mask.clone.37+0x8f/0x1d0
             &fs_info->tree_mod_log_lock           3180          [<ffffffff812e7245>] tree_mod_log_insert_move.clone.39+0x85/0x190
             &fs_info->tree_mod_log_lock          15668          [<ffffffff812e90dc>] btrfs_get_tree_mod_seq+0x3c/0xc0
             &fs_info->tree_mod_log_lock          14825          [<ffffffff812e9245>] btrfs_put_tree_mod_seq+0xe5/0x180

...............................................................................................................................................................................................

   &(&fs_info->block_group_cache_lock)->:         58189          60635           0.10         141.79       64002.80        1897681       11595983           0.09         289.88     2946705.61
   -------------------------------------
   &(&fs_info->block_group_cache_lock)->          60635          [<ffffffff812f21c8>] block_group_cache_tree_search+0x28/0xd0
   -------------------------------------
   &(&fs_info->block_group_cache_lock)->          60635          [<ffffffff812f21c8>] block_group_cache_tree_search+0x28/0xd0

...............................................................................................................................................................................................

                       btrfs-extent-02-W:         26130          28459           0.12         832.09      180195.22         208522        3856791           0.08        2611.56     4232533.82
                       btrfs-extent-02-R:         25947          26699           0.11        2606.61      127725.34         707485        6406647           0.08        1289.24     5746537.95
                       -----------------
                         btrfs-extent-02          15541          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                         btrfs-extent-02           5469          [<ffffffff8133e83a>] btrfs_clear_lock_blocking_rw+0x6a/0x1a0
                         btrfs-extent-02           6608          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                         btrfs-extent-02          11915          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                       -----------------
                         btrfs-extent-02           9325          [<ffffffff8133e83a>] btrfs_clear_lock_blocking_rw+0x6a/0x1a0
                         btrfs-extent-02           9837          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                         btrfs-extent-02           6118          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                         btrfs-extent-02          21136          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0

...............................................................................................................................................................................................

                           btrfs-fs-00-W:         12610          12626           0.21          15.02       11333.85        3356773       20743099           0.10         285.56    21489363.19
                           btrfs-fs-00-R:         41090          41465           0.14          54.09       85110.62         969462        8061908           0.09         264.12     2552721.41
                           -------------
                             btrfs-fs-00           2975          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                             btrfs-fs-00           3754          [<ffffffff8133eb7f>] btrfs_try_tree_write_lock+0x4f/0xc0
                             btrfs-fs-00          17862          [<ffffffff8133eaff>] btrfs_try_tree_read_lock+0x4f/0x80
                             btrfs-fs-00          14803          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                           -------------
                             btrfs-fs-00          36295          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                             btrfs-fs-00           4184          [<ffffffff8133e83a>] btrfs_clear_lock_blocking_rw+0x6a/0x1a0
                             btrfs-fs-00           5837          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                             btrfs-fs-00           5032          [<ffffffff8133eb7f>] btrfs_try_tree_write_lock+0x4f/0xc0

...............................................................................................................................................................................................

                    &(&rsv->lock)->rlock:         52811          53250           0.11         217.59       45639.85        8913405       57464550           0.08         293.07    10576615.70
                    --------------------
                    &(&rsv->lock)->rlock          25390          [<ffffffff812fa76a>] btrfs_block_rsv_check+0x3a/0x90
                    &(&rsv->lock)->rlock          11112          [<ffffffff812f5bf1>] block_rsv_release_bytes+0x41/0x190
                    &(&rsv->lock)->rlock          13204          [<ffffffff812f24d5>] block_rsv_add_bytes+0x35/0x80
                    &(&rsv->lock)->rlock           3200          [<ffffffff812f2458>] block_rsv_use_bytes+0x38/0x80
                    --------------------
                    &(&rsv->lock)->rlock          25316          [<ffffffff812fa76a>] btrfs_block_rsv_check+0x3a/0x90
                    &(&rsv->lock)->rlock           7573          [<ffffffff812f24d5>] block_rsv_add_bytes+0x35/0x80
                    &(&rsv->lock)->rlock          15147          [<ffffffff812f5bf1>] block_rsv_release_bytes+0x41/0x190
                    &(&rsv->lock)->rlock           4917          [<ffffffff812f2458>] block_rsv_use_bytes+0x38/0x80

...............................................................................................................................................................................................

       &(&fs_info->delalloc_lock)->rlock:         46848          48425           0.21         109.46       37626.43        2153774       24427039           0.08         276.98     4414855.94
       ---------------------------------
       &(&fs_info->delalloc_lock)->rlock          13800          [<ffffffff81313206>] btrfs_set_bit_hook+0x96/0x190
       &(&fs_info->delalloc_lock)->rlock           4793          [<ffffffff8130a4d1>] btrfs_mark_buffer_dirty+0x91/0xf0
       &(&fs_info->delalloc_lock)->rlock          17107          [<ffffffff812f6b7b>] update_block_group.clone.58+0x3b/0x2a0
       &(&fs_info->delalloc_lock)->rlock           2359          [<ffffffff813134af>] btrfs_clear_bit_hook+0x1af/0x240
       ---------------------------------
       &(&fs_info->delalloc_lock)->rlock          19657          [<ffffffff812f6b7b>] update_block_group.clone.58+0x3b/0x2a0
       &(&fs_info->delalloc_lock)->rlock           9594          [<ffffffff81313206>] btrfs_set_bit_hook+0x96/0x190
       &(&fs_info->delalloc_lock)->rlock           8911          [<ffffffff8130a4d1>] btrfs_mark_buffer_dirty+0x91/0xf0
       &(&fs_info->delalloc_lock)->rlock           4340          [<ffffffff813134af>] btrfs_clear_bit_hook+0x1af/0x240

...............................................................................................................................................................................................

                           btrfs-fs-02-W:         22322          22850           0.30          44.14       31420.85         470088        5600281           0.08         286.10     5459215.65
                           btrfs-fs-02-R:         21705          21837           0.21          64.75       41608.46        5893536       33512795           0.08         295.56    31775180.13
                           -------------
                             btrfs-fs-02           7395          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                             btrfs-fs-02           9010          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                             btrfs-fs-02           2224          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                             btrfs-fs-02           6669          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           -------------
                             btrfs-fs-02          16012          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                             btrfs-fs-02           3255          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                             btrfs-fs-02          11279          [<ffffffff8133e83a>] btrfs_clear_lock_blocking_rw+0x6a/0x1a0
                             btrfs-fs-02           2634          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280

...............................................................................................................................................................................................

                                &q->lock:         31984          34078           0.24          14.76       33894.98        3615870        3665012           0.10         284.21     2484012.13
                                --------
                                &q->lock          24697          [<ffffffff81098d68>] generic_exec_single+0x48/0xb0
                                &q->lock           9381          [<ffffffff81099697>] generic_smp_call_function_single_interrupt+0x57/0x120
                                --------
                                &q->lock          21674          [<ffffffff81099697>] generic_smp_call_function_single_interrupt+0x57/0x120
                                &q->lock          12404          [<ffffffff81098d68>] generic_exec_single+0x48/0xb0

...............................................................................................................................................................................................

             &fs_info->tree_mod_seq_wait:         28237          33061           0.23         103.02      259870.27         373765         896052           0.08          83.37      670817.81
             ---------------------------
             &fs_info->tree_mod_seq_wait          17640          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90
             &fs_info->tree_mod_seq_wait          15284          [<ffffffff81063531>] finish_wait+0x41/0x80
             &fs_info->tree_mod_seq_wait            137          [<ffffffff8106e892>] __wake_up+0x32/0x70
             ---------------------------
             &fs_info->tree_mod_seq_wait           9575          [<ffffffff8106e892>] __wake_up+0x32/0x70
             &fs_info->tree_mod_seq_wait          16092          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90
             &fs_info->tree_mod_seq_wait           7394          [<ffffffff81063531>] finish_wait+0x41/0x80

...............................................................................................................................................................................................

        &(&fs_info->balance_lock)->rlock:         32515          32534           0.26         233.12       22868.59        1690177        9165072           0.10         234.67     1695933.22
        --------------------------------
        &(&fs_info->balance_lock)->rlock          32534          [<ffffffff812f8895>] btrfs_reduce_alloc_profile+0x45/0x130
        --------------------------------
        &(&fs_info->balance_lock)->rlock          32534          [<ffffffff812f8895>] btrfs_reduce_alloc_profile+0x45/0x130

...............................................................................................................................................................................................

   &(&fs_info->tree_mod_seq_lock)->rlock:         31848          31986           0.21          48.61       31220.69        5222855       20339222           0.08         276.74     5035760.73
   -------------------------------------
   &(&fs_info->tree_mod_seq_lock)->rlock          10260          [<ffffffff812e919f>] btrfs_put_tree_mod_seq+0x3f/0x180
   &(&fs_info->tree_mod_seq_lock)->rlock          19037          [<ffffffff8134de28>] btrfs_check_delayed_seq+0x38/0x80
   &(&fs_info->tree_mod_seq_lock)->rlock           2689          [<ffffffff812e90e4>] btrfs_get_tree_mod_seq+0x44/0xc0
   -------------------------------------
   &(&fs_info->tree_mod_seq_lock)->rlock           7552          [<ffffffff8134de28>] btrfs_check_delayed_seq+0x38/0x80
   &(&fs_info->tree_mod_seq_lock)->rlock          22269          [<ffffffff812e919f>] btrfs_put_tree_mod_seq+0x3f/0x180
   &(&fs_info->tree_mod_seq_lock)->rlock           2165          [<ffffffff812e90e4>] btrfs_get_tree_mod_seq+0x44/0xc0

...............................................................................................................................................................................................

                   &(&base->lock)->rlock:         11531          11551           0.21           6.31        7674.46         311971       10874247           0.10         284.78     2848189.52
                   ---------------------
                   &(&base->lock)->rlock             23          [<ffffffff8104e8fb>] add_timer_on+0x5b/0xf0
                   &(&base->lock)->rlock          11487          [<ffffffff8104dafb>] lock_timer_base.clone.28+0x3b/0x70
                   &(&base->lock)->rlock             40          [<ffffffff8104e4a4>] run_timer_softirq+0x44/0x3f0
                   &(&base->lock)->rlock              1          [<ffffffff8104e659>] run_timer_softirq+0x1f9/0x3f0
                   ---------------------
                   &(&base->lock)->rlock             25          [<ffffffff8104e4a4>] run_timer_softirq+0x44/0x3f0
                   &(&base->lock)->rlock          11487          [<ffffffff8104dafb>] lock_timer_base.clone.28+0x3b/0x70
                   &(&base->lock)->rlock             38          [<ffffffff8104e8fb>] add_timer_on+0x5b/0xf0
                   &(&base->lock)->rlock              1          [<ffffffff8104e659>] run_timer_softirq+0x1f9/0x3f0

...............................................................................................................................................................................................

                 &cur_trans->writer_wait:         11035          11035           0.29          20.13       32336.47        2680520        2680574           0.08         300.01     7548030.47
                 -----------------------
                 &cur_trans->writer_wait          11033          [<ffffffff8106e892>] __wake_up+0x32/0x70
                 &cur_trans->writer_wait              2          [<ffffffff81063531>] finish_wait+0x41/0x80
                 -----------------------
                 &cur_trans->writer_wait          11034          [<ffffffff8106e892>] __wake_up+0x32/0x70
                 &cur_trans->writer_wait              1          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90

...............................................................................................................................................................................................

            &(&tree->buffer_lock)->rlock:          8624           8640           0.27         131.82        9474.53         597633        3773143           0.12         280.57     1926978.95
            ----------------------------
            &(&tree->buffer_lock)->rlock           3232          [<ffffffff8132b561>] alloc_extent_buffer+0x301/0x480
            &(&tree->buffer_lock)->rlock           5408          [<ffffffff81325bf4>] release_extent_buffer.clone.30+0x54/0xe0
            ----------------------------
            &(&tree->buffer_lock)->rlock           5740          [<ffffffff8132b561>] alloc_extent_buffer+0x301/0x480
            &(&tree->buffer_lock)->rlock           2900          [<ffffffff81325bf4>] release_extent_buffer.clone.30+0x54/0xe0

...............................................................................................................................................................................................

                         btrfs-csum-03-W:          3867           4189           0.40         324.57        7656.30           5631        1929887           0.09         285.78     1617826.35
                         btrfs-csum-03-R:          4035           4092           0.31          67.07        8120.33       18988240       66826494           0.08        1399.98    73695966.96
                         ---------------
                           btrfs-csum-03           2477          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                           btrfs-csum-03           1392          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           btrfs-csum-03           2797          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                           btrfs-csum-03            963          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                         ---------------
                           btrfs-csum-03           3325          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                           btrfs-csum-03           2080          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                           btrfs-csum-03           1104          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           btrfs-csum-03            734          [<ffffffff8133e83a>] btrfs_clear_lock_blocking_rw+0x6a/0x1a0

...............................................................................................................................................................................................

                   &(&tree->lock)->rlock:          7539           7550           0.22          61.59       16033.40        2758694       50446293           0.10         319.19    24744746.71
                   ---------------------
                   &(&tree->lock)->rlock           7550          [<ffffffff8132699f>] __set_extent_bit+0x6f/0x4f0
                   ---------------------
                   &(&tree->lock)->rlock           7550          [<ffffffff8132699f>] __set_extent_bit+0x6f/0x4f0

...............................................................................................................................................................................................

   &(&fs_info->ordered_extent_lock)->rlo:          7504           7505           0.26          43.27        5393.06        2728094        3141437           0.08         274.72     1658958.37
   -------------------------------------
   &(&fs_info->ordered_extent_lock)->rlo           3359          [<ffffffff81323b53>] __btrfs_add_ordered_extent+0x1c3/0x2e0
   &(&fs_info->ordered_extent_lock)->rlo           1821          [<ffffffff813242b3>] btrfs_remove_ordered_extent+0x83/0x180
   &(&fs_info->ordered_extent_lock)->rlo           2325          [<ffffffff81324be1>] btrfs_run_ordered_operations+0x51/0x220
   -------------------------------------
   &(&fs_info->ordered_extent_lock)->rlo           2396          [<ffffffff813242b3>] btrfs_remove_ordered_extent+0x83/0x180
   &(&fs_info->ordered_extent_lock)->rlo           2089          [<ffffffff81323b53>] __btrfs_add_ordered_extent+0x1c3/0x2e0
   &(&fs_info->ordered_extent_lock)->rlo           3020          [<ffffffff81324be1>] btrfs_run_ordered_operations+0x51/0x220

...............................................................................................................................................................................................

                 &(&n->list_lock)->rlock:          6708           6780           0.23          14.65        7628.69         520181        1384108           0.11         270.45      809981.57
                 -----------------------
                 &(&n->list_lock)->rlock           6659          [<ffffffff8114035f>] unfreeze_partials+0x6f/0x1a0
                 &(&n->list_lock)->rlock             96          [<ffffffff8114114f>] get_partial_node.clone.42+0x4f/0x1f0
                 &(&n->list_lock)->rlock             25          [<ffffffff81140618>] __slab_free+0xc8/0x330
                 -----------------------
                 &(&n->list_lock)->rlock           6637          [<ffffffff8114035f>] unfreeze_partials+0x6f/0x1a0
                 &(&n->list_lock)->rlock            136          [<ffffffff8114114f>] get_partial_node.clone.42+0x4f/0x1f0
                 &(&n->list_lock)->rlock              7          [<ffffffff81140618>] __slab_free+0xc8/0x330

...............................................................................................................................................................................................

                &(&cluster->lock)->rlock:          5096           5149           0.26          62.67        4177.21         534134        4335154           0.10         284.01     1176758.90
                ------------------------
                &(&cluster->lock)->rlock           2642          [<ffffffff812f8f6a>] find_free_extent+0x12a/0xc70
                &(&cluster->lock)->rlock           1957          [<ffffffff81349a5c>] btrfs_alloc_from_cluster+0x3c/0x240
                &(&cluster->lock)->rlock            550          [<ffffffff813484ff>] __btrfs_add_free_space+0xff/0x400
                ------------------------
                &(&cluster->lock)->rlock           1469          [<ffffffff81349a5c>] btrfs_alloc_from_cluster+0x3c/0x240
                &(&cluster->lock)->rlock           3410          [<ffffffff812f8f6a>] find_free_extent+0x12a/0xc70
                &(&cluster->lock)->rlock            268          [<ffffffff813484ff>] __btrfs_add_free_space+0xff/0x400
                &(&cluster->lock)->rlock              2          [<ffffffff81349cda>] btrfs_find_space_cluster+0x7a/0x2c0

...............................................................................................................................................................................................

         &(&cluster->refill_lock)->rlock:          4945           4945           0.26          73.14        8933.69         503045        2083591           0.54         295.32     2088729.86
         -------------------------------
         &(&cluster->refill_lock)->rlock           4945          [<ffffffff812f90ef>] find_free_extent+0x2af/0xc70
         -------------------------------
         &(&cluster->refill_lock)->rlock           4945          [<ffffffff812f90ef>] find_free_extent+0x2af/0xc70

...............................................................................................................................................................................................

                             &rq->lock/1:          3573           3573           0.21          28.54        8065.03          17841          44646           0.08          31.52       43498.40
                             -----------
                             &rq->lock/1           3572          [<ffffffff8107b4af>] load_balance+0x35f/0x820
                             &rq->lock/1              1          [<ffffffff8107b6b9>] load_balance+0x569/0x820
                             -----------
                             &rq->lock/1           2239          [<ffffffff8169682e>] __schedule+0xbe/0x7c0
                             &rq->lock/1            549          [<ffffffff8107b6ac>] load_balance+0x55c/0x820
                             &rq->lock/1              1          [<ffffffff81074c4a>] wake_up_new_task+0x9a/0x1b0
                             &rq->lock/1            773          [<ffffffff8107b4af>] load_balance+0x35f/0x820

...............................................................................................................................................................................................

        &(&root->root_times_lock)->rlock:          3183           3340           0.23          22.15        2412.88         834941       19895707           0.10         279.15     3341157.88
        --------------------------------
        &(&root->root_times_lock)->rlock           3340          [<ffffffff813022f2>] btrfs_update_root_times+0x52/0x90
        --------------------------------
        &(&root->root_times_lock)->rlock           3340          [<ffffffff813022f2>] btrfs_update_root_times+0x52/0x90

...............................................................................................................................................................................................

                        rcu_node_level_0:          3179           3300           0.26          18.52        7770.45          67659         137816           0.10          15.65       94216.27
                        ----------------
                        rcu_node_level_0           2089          [<ffffffff810c6c48>] rcu_process_callbacks+0x328/0x530
                        rcu_node_level_0            430          [<ffffffff810c54f7>] rcu_start_gp+0x157/0x310
                        rcu_node_level_0            643          [<ffffffff810c570f>] rcu_report_qs_rnp+0x5f/0x210
                        rcu_node_level_0             95          [<ffffffff810c650f>] force_quiescent_state+0x18f/0x2f0
                        ----------------
                        rcu_node_level_0           2452          [<ffffffff810c6c48>] rcu_process_callbacks+0x328/0x530
                        rcu_node_level_0            572          [<ffffffff810c570f>] rcu_report_qs_rnp+0x5f/0x210
                        rcu_node_level_0            149          [<ffffffff810c650f>] force_quiescent_state+0x18f/0x2f0
                        rcu_node_level_0             39          [<ffffffff810c6468>] force_quiescent_state+0xe8/0x2f0

...............................................................................................................................................................................................

                       btrfs-extent-00-W:          3190           3190           0.29          60.30        5032.26        1296752        6915832           0.11        2602.56     7675298.76
                       btrfs-extent-00-R:             0              0           0.00           0.00           0.00              3             36           0.11           0.40           6.22
                       -----------------
                         btrfs-extent-00           3188          [<ffffffff8133eb7f>] btrfs_try_tree_write_lock+0x4f/0xc0
                         btrfs-extent-00              2          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                       -----------------
                         btrfs-extent-00           3190          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0

...............................................................................................................................................................................................

        &(&mapping->private_lock)->rlock:          1981           1984           0.28           5.86        1408.64         607609        3773314           0.10         281.65      805175.21
        --------------------------------
        &(&mapping->private_lock)->rlock            695          [<ffffffff81325b31>] btrfs_release_extent_buffer_page.clone.36+0xd1/0x140
        &(&mapping->private_lock)->rlock           1289          [<ffffffff8132b3be>] alloc_extent_buffer+0x15e/0x480
        --------------------------------
        &(&mapping->private_lock)->rlock           1225          [<ffffffff81325b31>] btrfs_release_extent_buffer_page.clone.36+0xd1/0x140
        &(&mapping->private_lock)->rlock            759          [<ffffffff8132b3be>] alloc_extent_buffer+0x15e/0x480

...............................................................................................................................................................................................

               &(&ctl->tree_lock)->rlock:          1289           1289           0.29         230.97        2396.54        3265977       30892910           0.08         294.76     4379306.55
               -------------------------
               &(&ctl->tree_lock)->rlock           1044          [<ffffffff81349bcf>] btrfs_alloc_from_cluster+0x1af/0x240
               &(&ctl->tree_lock)->rlock            245          [<ffffffff8134844d>] __btrfs_add_free_space+0x4d/0x400
               -------------------------
               &(&ctl->tree_lock)->rlock           1060          [<ffffffff8134844d>] __btrfs_add_free_space+0x4d/0x400
               &(&ctl->tree_lock)->rlock            228          [<ffffffff81349bcf>] btrfs_alloc_from_cluster+0x1af/0x240
               &(&ctl->tree_lock)->rlock              1          [<ffffffff81348704>] __btrfs_add_free_space+0x304/0x400

...............................................................................................................................................................................................

                &(&wb->list_lock)->rlock:           875            875           0.16       18657.37      113393.05         125876        2270677           0.09       18765.28     1926763.76
                ------------------------
                &(&wb->list_lock)->rlock            812          [<ffffffff8117357d>] __mark_inode_dirty+0x14d/0x230
                &(&wb->list_lock)->rlock             58          [<ffffffff81173c0a>] writeback_sb_inodes+0x28a/0x3c0
                &(&wb->list_lock)->rlock              5          [<ffffffff81175bc0>] inode_wb_list_del+0x40/0x90
                ------------------------
                &(&wb->list_lock)->rlock             24          [<ffffffff81173e60>] wb_writeback+0x50/0x2d0
                &(&wb->list_lock)->rlock            792          [<ffffffff81173c0a>] writeback_sb_inodes+0x28a/0x3c0
                &(&wb->list_lock)->rlock             54          [<ffffffff8117357d>] __mark_inode_dirty+0x14d/0x230
                &(&wb->list_lock)->rlock              5          [<ffffffff81175bc0>] inode_wb_list_del+0x40/0x90

...............................................................................................................................................................................................

                    &delayed_node->mutex:           870            870           6.13         408.24       25425.58        5820235       57845418           0.14        8998.96   132005222.50
                    --------------------
                    &delayed_node->mutex            100          [<ffffffff813588cd>] btrfs_insert_delayed_dir_index+0x10d/0x270
                    &delayed_node->mutex            450          [<ffffffff813592a8>] btrfs_delayed_update_inode+0x48/0x660
                    &delayed_node->mutex            232          [<ffffffff81356b3f>] __btrfs_release_delayed_node+0x4f/0x210
                    &delayed_node->mutex              8          [<ffffffff813572ac>] btrfs_update_delayed_inode+0x3c/0x1e0
                    --------------------
                    &delayed_node->mutex             88          [<ffffffff813579a3>] btrfs_insert_delayed_items+0x43/0x460
                    &delayed_node->mutex             69          [<ffffffff81356b3f>] __btrfs_release_delayed_node+0x4f/0x210
                    &delayed_node->mutex            205          [<ffffffff813592a8>] btrfs_delayed_update_inode+0x48/0x660
                    &delayed_node->mutex            478          [<ffffffff813572ac>] btrfs_update_delayed_inode+0x3c/0x1e0

...............................................................................................................................................................................................

   &(&fs_info->delayed_iput_lock)->rlock:           499            499           0.24          58.08         411.95         149589        2454803           0.10         224.42      431502.75
   -------------------------------------
   &(&fs_info->delayed_iput_lock)->rlock            499          [<ffffffff813153e2>] btrfs_run_delayed_iputs+0x42/0x130
   -------------------------------------
   &(&fs_info->delayed_iput_lock)->rlock            499          [<ffffffff813153e2>] btrfs_run_delayed_iputs+0x42/0x130

...............................................................................................................................................................................................

                                pci_lock:           447            451           0.47          15.04        1736.36           7964          20144           1.24          24.93       68598.82
                                --------
                                pci_lock            451          [<ffffffff813d2f82>] pci_bus_read_config_word+0x42/0x90
                                --------
                                pci_lock            451          [<ffffffff813d2f82>] pci_bus_read_config_word+0x42/0x90

...............................................................................................................................................................................................

                &(&workers->lock)->rlock:           422            422           0.30           6.48         474.95         365609        6054626           0.10         285.21     1582218.28
                ------------------------
                &(&workers->lock)->rlock            229          [<ffffffff81337520>] btrfs_queue_worker+0x50/0x330
                &(&workers->lock)->rlock            186          [<ffffffff81337ba9>] worker_loop+0x3a9/0x5a0
                &(&workers->lock)->rlock              3          [<ffffffff81337761>] btrfs_queue_worker+0x291/0x330
                &(&workers->lock)->rlock              4          [<ffffffff81337a8e>] worker_loop+0x28e/0x5a0
                ------------------------
                &(&workers->lock)->rlock            195          [<ffffffff81337520>] btrfs_queue_worker+0x50/0x330
                &(&workers->lock)->rlock            221          [<ffffffff81337ba9>] worker_loop+0x3a9/0x5a0
                &(&workers->lock)->rlock              6          [<ffffffff81337a8e>] worker_loop+0x28e/0x5a0

...............................................................................................................................................................................................

                                   key#5:           395            395           0.26           3.45         260.48         371704        2096788           0.09         197.56      497344.85
                                   -----
                                   key#5            395          [<ffffffff813ccae0>] __percpu_counter_add+0x50/0x80
                                   -----
                                   key#5            395          [<ffffffff813ccae0>] __percpu_counter_add+0x50/0x80

...............................................................................................................................................................................................

               &(&zone->lru_lock)->rlock:           322            322           0.30           2.64         305.56         390013        3025328           0.11         287.23     1400380.23
               -------------------------
               &(&zone->lru_lock)->rlock            316          [<ffffffff81106e5f>] pagevec_lru_move_fn+0xaf/0x120
               &(&zone->lru_lock)->rlock              6          [<ffffffff81106cf8>] release_pages+0x158/0x210
               -------------------------
               &(&zone->lru_lock)->rlock            317          [<ffffffff81106e5f>] pagevec_lru_move_fn+0xaf/0x120
               &(&zone->lru_lock)->rlock              5          [<ffffffff81106cf8>] release_pages+0x158/0x210

...............................................................................................................................................................................................

                    zone->wait_table + i:           208            208           0.39           4.18         149.10         291960         895167           0.10         288.22     1389209.81
                    --------------------
                    zone->wait_table + i            147          [<ffffffff8106e892>] __wake_up+0x32/0x70
                    zone->wait_table + i             61          [<ffffffff81063531>] finish_wait+0x41/0x80
                    --------------------
                    zone->wait_table + i             63          [<ffffffff8106e892>] __wake_up+0x32/0x70
                    zone->wait_table + i            145          [<ffffffff81063531>] finish_wait+0x41/0x80

...............................................................................................................................................................................................

                   &(&zone->lock)->rlock:           100            100           0.38           8.46         139.99         100471        1001893           0.12         231.71     1423665.66
                   ---------------------
                   &(&zone->lock)->rlock              7          [<ffffffff81101573>] get_page_from_freelist+0x443/0x7b0
                   &(&zone->lock)->rlock              5          [<ffffffff81102144>] free_pcppages_bulk+0x34/0x400
                   &(&zone->lock)->rlock             60          [<ffffffff81101871>] get_page_from_freelist+0x741/0x7b0
                   &(&zone->lock)->rlock             28          [<ffffffff81102c05>] __free_pages_ok+0xb5/0x4e0
                   ---------------------
                   &(&zone->lock)->rlock             20          [<ffffffff81102c05>] __free_pages_ok+0xb5/0x4e0
                   &(&zone->lock)->rlock             10          [<ffffffff81102144>] free_pcppages_bulk+0x34/0x400
                   &(&zone->lock)->rlock             63          [<ffffffff81101871>] get_page_from_freelist+0x741/0x7b0
                   &(&zone->lock)->rlock              7          [<ffffffff81101573>] get_page_from_freelist+0x443/0x7b0

...............................................................................................................................................................................................

            &(&bp->indirect_lock)->rlock:            93             95           0.32           5.05         180.58           1970           4350           0.12          40.99        5374.93
            ----------------------------
            &(&bp->indirect_lock)->rlock             50          [<ffffffffa02f9a1e>] bnx2_reg_rd_ind+0x2e/0x60 [bnx2]
            &(&bp->indirect_lock)->rlock             45          [<ffffffffa02fc498>] bnx2_send_heart_beat+0x28/0x70 [bnx2]
            ----------------------------
            &(&bp->indirect_lock)->rlock             41          [<ffffffffa02fc498>] bnx2_send_heart_beat+0x28/0x70 [bnx2]
            &(&bp->indirect_lock)->rlock             54          [<ffffffffa02f9a1e>] bnx2_reg_rd_ind+0x2e/0x60 [bnx2]

...............................................................................................................................................................................................

                         inode_hash_lock:            40             40           0.31           1.99          50.61          66551        1230835           0.11         225.16      923643.48
                         ---------------
                         inode_hash_lock             11          [<ffffffff811645dc>] __remove_inode_hash+0x2c/0x90
                         inode_hash_lock              9          [<ffffffff8116626f>] iget_locked+0x6f/0x1b0
                         inode_hash_lock              9          [<ffffffff811662dc>] iget_locked+0xdc/0x1b0
                         inode_hash_lock             11          [<ffffffff811646aa>] __insert_inode_hash+0x6a/0xc0
                         ---------------
                         inode_hash_lock             28          [<ffffffff811646aa>] __insert_inode_hash+0x6a/0xc0
                         inode_hash_lock              9          [<ffffffff811662dc>] iget_locked+0xdc/0x1b0
                         inode_hash_lock              2          [<ffffffff8116626f>] iget_locked+0x6f/0x1b0
                         inode_hash_lock              1          [<ffffffff811645dc>] __remove_inode_hash+0x2c/0x90

...............................................................................................................................................................................................

                      inode_sb_list_lock:            12             12           0.64           1.02           9.45          66547        3289921           0.10        1200.67     2625151.67
                      ------------------
                      inode_sb_list_lock              6          [<ffffffff811657bf>] evict+0x6f/0x1c0
                      inode_sb_list_lock              6          [<ffffffff8116471d>] inode_sb_list_add+0x1d/0x70
                      ------------------
                      inode_sb_list_lock             10          [<ffffffff8116471d>] inode_sb_list_add+0x1d/0x70
                      inode_sb_list_lock              2          [<ffffffff811657bf>] evict+0x6f/0x1c0

...............................................................................................................................................................................................

               &(&dentry->d_lock)->rlock:            10             10           0.70           0.97           8.78        1338466       38851307           0.07         286.91     6290730.08
               -------------------------
               &(&dentry->d_lock)->rlock              6          [<ffffffff811624b2>] dput+0x32/0x1d0
               &(&dentry->d_lock)->rlock              4          [<ffffffff81155ee6>] path_get+0x36/0x50
               -------------------------
               &(&dentry->d_lock)->rlock              5          [<ffffffff81155ee6>] path_get+0x36/0x50
               &(&dentry->d_lock)->rlock              5          [<ffffffff811624b2>] dput+0x32/0x1d0

...............................................................................................................................................................................................

                         tasklist_lock-W:             9              9           0.72          13.32          67.56             73            192           0.15          18.69         829.24
                         tasklist_lock-R:             0              0           0.00           0.00           0.00             92           1219           0.15          43.95        1432.54
                         ---------------
                           tasklist_lock              3          [<ffffffff81043ab8>] do_exit+0x4a8/0x940
                           tasklist_lock              2          [<ffffffff81043813>] do_exit+0x203/0x940
                           tasklist_lock              4          [<ffffffff81041f7a>] release_task+0x7a/0x4e0
                         ---------------
                           tasklist_lock              3          [<ffffffff81041f7a>] release_task+0x7a/0x4e0
                           tasklist_lock              5          [<ffffffff81043ab8>] do_exit+0x4a8/0x940
                           tasklist_lock              1          [<ffffffff81043813>] do_exit+0x203/0x940

...............................................................................................................................................................................................

                &fs_info->tree_log_mutex:             8              8     3270696.72     5706255.71    33950856.94             26             28          34.17     5709973.52    37373671.27
                ------------------------
                &fs_info->tree_log_mutex              8          [<ffffffff813453a9>] btrfs_log_inode_parent+0x3c9/0x4d0
                ------------------------
                &fs_info->tree_log_mutex              8          [<ffffffff8130f200>] btrfs_commit_transaction+0x620/0xb20

...............................................................................................................................................................................................

                                   key#6:             8              8           0.31           0.80           5.12          35351         379196           0.10          26.74       72069.14
                                   -----
                                   key#6              8          [<ffffffff813ccae0>] __percpu_counter_add+0x50/0x80
                                   -----
                                   key#6              8          [<ffffffff813ccae0>] __percpu_counter_add+0x50/0x80

...............................................................................................................................................................................................

                    &irq_desc_lock_class:             5              5           3.13           9.87          24.96           1252        3978010           0.10         285.76     1181076.73
                    --------------------
                    &irq_desc_lock_class              3          [<ffffffff810c12ae>] handle_edge_irq+0x1e/0x110
                    &irq_desc_lock_class              2          [<ffffffff810bec93>] handle_irq_event+0x53/0x70
                    --------------------
                    &irq_desc_lock_class              5          [<ffffffff810c4305>] show_interrupts+0x125/0x310

...............................................................................................................................................................................................

                                   key#7:             4              4           1.05           5.54           9.46          20975         190228           0.10          21.78       36439.60
                                   -----
                                   key#7              4          [<ffffffff813ccae0>] __percpu_counter_add+0x50/0x80
                                   -----
                                   key#7              1          [<ffffffff813ccc55>] __percpu_counter_sum+0x15/0x80
                                   key#7              3          [<ffffffff813ccae0>] __percpu_counter_add+0x50/0x80

...............................................................................................................................................................................................

               &sb->s_type->i_lock_key#1:             3              3           0.77           1.35           3.12        4587596       51806348           0.08         288.19     8699365.68
               -------------------------
               &sb->s_type->i_lock_key#1              1          [<ffffffff811649a8>] igrab+0x28/0x70
               &sb->s_type->i_lock_key#1              2          [<ffffffff8114f47e>] inode_add_bytes+0x2e/0xa0
               -------------------------
               &sb->s_type->i_lock_key#1              1          [<ffffffff8114f47e>] inode_add_bytes+0x2e/0xa0
               &sb->s_type->i_lock_key#1              2          [<ffffffff811649a8>] igrab+0x28/0x70

...............................................................................................................................................................................................

                   &fs_info->reloc_mutex:             3              3          29.76          32.55          92.43             37             41           0.93       40574.72      288731.34
                   ---------------------
                   &fs_info->reloc_mutex              3          [<ffffffff8130e5f9>] btrfs_record_root_in_trans+0x49/0x90
                   ---------------------
                   &fs_info->reloc_mutex              3          [<ffffffff8130e5f9>] btrfs_record_root_in_trans+0x49/0x90

...............................................................................................................................................................................................

                      &(&t->lock)->rlock:             1              1           1.01           1.01           1.01        3665179       21905474           0.11         287.46     4929312.72
                      ------------------
                      &(&t->lock)->rlock              1          [<ffffffff813249dd>] btrfs_lookup_first_ordered_extent+0x3d/0xd0
                      ------------------
                      &(&t->lock)->rlock              1          [<ffffffff81324274>] btrfs_remove_ordered_extent+0x44/0x180

...............................................................................................................................................................................................

                             &pipe->wait:             1              1           1.02           1.02           1.02            131           4764           0.11          20.07         749.30
                             -----------
                             &pipe->wait              1          [<ffffffff8106e7f7>] __wake_up_sync_key+0x37/0x80
                             -----------
                             &pipe->wait              1          [<ffffffff810636b1>] remove_wait_queue+0x21/0x70

...............................................................................................................................................................................................

                         &mm->mmap_sem-W:             1              1          20.84          20.84          20.84            116          42532           0.13         797.32       96819.89
                         &mm->mmap_sem-R:             0              0           0.00           0.00           0.00             18          86562           0.14        7073.44      274277.21
                         ---------------
                           &mm->mmap_sem              1          [<ffffffff81115a34>] vm_mmap_pgoff+0x54/0xa0
                         ---------------
                           &mm->mmap_sem              1          [<ffffffff81125f95>] sys_mprotect+0xd5/0x1e0

...............................................................................................................................................................................................

                           &tree->lock-W:             0              0           0.00           0.00           0.00        1053575        3367896           0.11         277.73      849444.90
                           &tree->lock-R:             1              1           1.04           1.04           1.04        2556469       34866371           0.11         425.91     6074404.90
                           -------------
                             &tree->lock              1          [<ffffffff81330046>] __btrfs_map_block+0x36/0x670
                           -------------
                             &tree->lock              1          [<ffffffff81331b3c>] __btrfs_alloc_chunk+0x46c/0x740

...............................................................................................................................................................................................

        &(&journal->j_state_lock)->rlock:             1              1          15.99          15.99          15.99             28            952           0.11          17.33         610.97
        --------------------------------
        &(&journal->j_state_lock)->rlock              1          [<ffffffff8123d9f2>] journal_start_commit+0x32/0xa0
        --------------------------------
        &(&journal->j_state_lock)->rlock              1          [<ffffffff8123797c>] journal_commit_transaction+0x8c/0x13f0

...............................................................................................................................................................................................

              &fs_info->transaction_wait:             1              1           1.45           1.45           1.45             91            122           0.11          21.07         281.80
              --------------------------
              &fs_info->transaction_wait              1          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90
              --------------------------
              &fs_info->transaction_wait              1          [<ffffffff8106e892>] __wake_up+0x32/0x70

...............................................................................................................................................................................................

                             sysfs_mutex:             0              0           0.00           0.00           0.00             19         220732           0.15          56.81       48640.35
                        shrinker_rwsem-R:             0              0           0.00           0.00           0.00              0            248          20.12          57.51       11388.16
                                 sb_lock:             0              0           0.00           0.00           0.00            278          16634           0.10           4.54        3522.31
                                pgd_lock:             0              0           0.00           0.00           0.00             24             36           0.24           1.88          40.26
                     file_systems_lock-R:             0              0           0.00           0.00           0.00              2              2          14.01          14.21          28.22
              &rcu_sched_state.onofflock:             0              0           0.00           0.00           0.00           6335          13680           1.79          41.88      156680.03
                              xtime_lock:             0              0           0.00           0.00           0.00              0         112155           1.87         257.61     1605355.66
              &sb->s_type->i_mutex_key#4:             0              0           0.00           0.00           0.00              6             21           1.65           8.78         142.74
                   &(&gcwq->lock)->rlock:             0              0           0.00           0.00           0.00            225         165485           0.17         195.98      471917.62
                &(&stopper->lock)->rlock:             0              0           0.00           0.00           0.00            130            222           0.11           8.10         335.80
              &(&newf->file_lock)->rlock:             0              0           0.00           0.00           0.00          65904        4306581           0.11         288.41      664723.10
                              &x->wait#2:             0              0           0.00           0.00           0.00              9             18           0.15           0.93           8.59
                        &namespace_sem-R:             0              0           0.00           0.00           0.00              1              9           0.19          62.07         236.77
                &rcu_sched_state.fqslock:             0              0           0.00           0.00           0.00              0          13101           0.10          42.34      108984.68
                     &(&fs->lock)->rlock:             0              0           0.00           0.00           0.00          65915        1755790           0.12         290.91     1564913.04
                                &x->wait:             0              0           0.00           0.00           0.00             84            135           0.13           9.31         232.62
                     kthread_create_lock:             0              0           0.00           0.00           0.00             65            102           0.11           1.14          45.43
                           watchdog_lock:             0              0           0.00           0.00           0.00           2243           2243           3.45          23.40       15779.98
                  random_write_wait.lock:             0              0           0.00           0.00           0.00             13             15           0.16           0.99           9.92
             &(&sighand->siglock)->rlock:             0              0           0.00           0.00           0.00            123            461           0.09          15.42         630.96
                &(&p->alloc_lock)->rlock:             0              0           0.00           0.00           0.00             65            391           0.10          15.23         442.68
                             pidmap_lock:             0              0           0.00           0.00           0.00             64             96           0.29           2.06          80.95
                             &p->pi_lock:             0              0           0.00           0.00           0.00       44098637       88804883           0.10         304.84   191022505.18
                           vmlist_lock-R:             0              0           0.00           0.00           0.00              1              2           5.86          14.96          20.82
                      call_function.lock:             0              0           0.00           0.00           0.00              8              8           0.70           8.31          17.35
                               balancing:             0              0           0.00           0.00           0.00              0        1138035           0.07         195.74     1268389.26
                                bdi_lock:             0              0           0.00           0.00           0.00              0              4          12.92          26.02          85.56
                         pci_config_lock:             0              0           0.00           0.00           0.00           7964          20144           1.02           8.32       31095.83
                                  &timer:             0              0           0.00           0.00           0.00              0        2987269           0.07          34.34      229091.73
                            sb_writers-R:             0              0           0.00           0.00           0.00              0             21           2.22          11.59         189.61
                                events-R:             0              0           0.00           0.00           0.00              0          53976           2.57         233.91      389879.10
                         &cpu_base->lock:             0              0           0.00           0.00           0.00            220       10773156           0.12         285.40    48569578.76
               &sb->s_type->i_lock_key#9:             0              0           0.00           0.00           0.00              5             56           0.09           1.86          19.92
                               bdev_lock:             0              0           0.00           0.00           0.00              1              2           5.51          18.90          24.42
                &type->i_mutex_dir_key#2:             0              0           0.00           0.00           0.00             37            342           0.63          80.91        5030.17
                               tty_mutex:             0              0           0.00           0.00           0.00              1              6           0.69           4.01           9.69
                              &tbl->lock:             0              0           0.00           0.00           0.00              2           1362           0.11          27.11         914.82
                          files_lglock-R:             0              0           0.00           0.00           0.00              0        2870788           0.08          98.67      272403.23
                  &mapping->i_mmap_mutex:             0              0           0.00           0.00           0.00            184            900           0.15          38.88         503.30
                   &fsnotify_mark_srcu-R:             0              0           0.00           0.00           0.00              0       16127454           0.07         282.40     1229054.42
                     &sig->group_rwsem-R:             0              0           0.00           0.00           0.00             50             52           0.28          22.08         123.77
                             sysctl_lock:             0              0           0.00           0.00           0.00              3             33           0.11           0.45           5.35
                          &port_lock_key:             0              0           0.00           0.00           0.00              3             13           0.12          21.25          79.10
                      nl_table_wait.lock:             0              0           0.00           0.00           0.00              2             89           0.11           1.82          18.40
                         nl_table_lock-R:             0              0           0.00           0.00           0.00              2             89           0.11           1.37          21.51
               &sb->s_type->i_lock_key#8:             0              0           0.00           0.00           0.00              1            140           0.09           6.15          39.06
                        proc_subdir_lock:             0              0           0.00           0.00           0.00             25           9528           0.13          67.54        8007.90
               &sb->s_type->i_lock_key#4:             0              0           0.00           0.00           0.00              2         110633           0.08           2.69       17471.34
               &sb->s_type->i_lock_key#3:             0              0           0.00           0.00           0.00            108            227           0.10           1.45          69.92
        &(kretprobe_table_locks[i].lock):             0              0           0.00           0.00           0.00             47             47           0.25           4.56          28.09
                            &port->mutex:             0              0           0.00           0.00           0.00              3              3           1.45           2.33           5.38
                   &(&uhci->lock)->rlock:             0              0           0.00           0.00           0.00              0           4487           6.93         206.43       38479.38
         &(&ent->pde_unload_lock)->rlock:             0              0           0.00           0.00           0.00            445          25788           0.10           0.90        3209.02
                           &ndev->lock-R:             0              0           0.00           0.00           0.00              0             45           0.13           0.97          20.59
                 &(&mc->mca_lock)->rlock:             0              0           0.00           0.00           0.00              0             15           0.19           0.35           4.21
                      rcu_read_lock_bh-R:             0              0           0.00           0.00           0.00              0            229           0.08           5.90         163.90
                    addrconf_verify_lock:             0              0           0.00           0.00           0.00              0             15           2.67           3.46          44.31
                             &vha->timer:             0              0           0.00           0.00           0.00              0          20144           1.72         215.78      134685.00
                               cdev_lock:             0              0           0.00           0.00           0.00              5              5           0.53           1.05           4.19
                           big_tty_mutex:             0              0           0.00           0.00           0.00              1              8           0.11           6.28          18.51
                     &tty->termios_mutex:             0              0           0.00           0.00           0.00              1              1           0.65           0.65           0.65
                        &tty->write_wait:             0              0           0.00           0.00           0.00              2              7           0.11           0.70           1.82
                          tty_files_lock:             0              0           0.00           0.00           0.00              1              8           0.11           0.47           1.88
                            &ld->wq_idle:             0              0           0.00           0.00           0.00              2              2           0.48           0.50           0.98
                   &(&port->lock)->rlock:             0              0           0.00           0.00           0.00              1              4           0.13           0.41           0.94
                      &(&i->lock)->rlock:             0              0           0.00           0.00           0.00              0              4          16.43          25.13          85.13
                  &sig->cred_guard_mutex:             0              0           0.00           0.00           0.00              9              9         234.20        7185.04       21199.95
          &(&mm->page_table_lock)->rlock:             0              0           0.00           0.00           0.00           1911         108684           0.10         281.76       83216.43
                        &anon_vma->mutex:             0              0           0.00           0.00           0.00            354          81452           0.15          42.81       15226.43
                             rename_lock:             0              0           0.00           0.00           0.00              5             82           0.33           3.59          86.68
                         &mm->mmap_sem/1:             0              0           0.00           0.00           0.00              0              8          38.61         795.32        2151.44
        &(&mm->page_table_lock)->rlock/1:             0              0           0.00           0.00           0.00              0            200           0.14         111.59        1334.61
                                     key:             0              0           0.00           0.00           0.00             56            660           0.11           0.81         243.57
                 &type->s_umount_key#1-R:             0              0           0.00           0.00           0.00              3            254           0.12           1.01         148.39
                  &type->i_mutex_dir_key:             0              0           0.00           0.00           0.00             25           9416           3.01          77.09       43037.09
                         dcache_lru_lock:             0              0           0.00           0.00           0.00          29079        1070110           0.11          42.22      151971.01
              &sb->s_type->i_mutex_key#6:             0              0           0.00           0.00           0.00             19            115           1.99          73.08        1669.53
             &(&dentry->d_lock)->rlock/1:             0              0           0.00           0.00           0.00          65885        1751544           0.11         224.47      251002.91
                                &p->lock:             0              0           0.00           0.00           0.00              0           6178           0.20         298.87       92855.31
                 &type->s_umount_key#1-R:             0              0           0.00           0.00           0.00              3            254           0.11           0.86         102.49
                 &type->s_umount_key#1-R:             0              0           0.00           0.00           0.00              3            254           0.12           1.00         138.31
              &sb->s_type->i_mutex_key#7:             0              0           0.00           0.00           0.00             35            256           0.18          23.94         232.38
            &sb->s_type->i_mutex_key#7/1:             0              0           0.00           0.00           0.00              2              2           1.98           2.96           4.95
                          sb_writers#3-R:             0              0           0.00           0.00           0.00              0              2           3.53           7.97          11.51
                 &tty->atomic_write_lock:             0              0           0.00           0.00           0.00              0              1          16.99          16.99          16.99
                         unix_table_lock:             0              0           0.00           0.00           0.00              5             28           0.11           0.89          10.00
                            &u->readlock:             0              0           0.00           0.00           0.00              5              6           5.33          15.32          66.28
                  sysfs_open_dirent_lock:             0              0           0.00           0.00           0.00             17          65982           0.11           5.61        7844.79
                          &buffer->mutex:             0              0           0.00           0.00           0.00              0          21994           1.00          62.13       55201.07
                               swap_lock:             0              0           0.00           0.00           0.00              1              2           0.38           0.66           1.05
                               uts_sem-R:             0              0           0.00           0.00           0.00              1              2           0.70           0.87           1.57
                               &wq->wait:             0              0           0.00           0.00           0.00             12             18           0.12          17.32          65.22
                          sb_writers#4-R:             0              0           0.00           0.00           0.00              0              8           0.81           5.85          17.97
                    &(&f->f_lock)->rlock:             0              0           0.00           0.00           0.00              0              3           0.27           1.18           2.54
                      &(&u->lock)->rlock:             0              0           0.00           0.00           0.00              5             28           0.12           4.64          35.02
      &af_unix_sk_receive_queue_lock_key:             0              0           0.00           0.00           0.00             13             36           0.11           0.98          11.46
                           &u->peer_wait:             0              0           0.00           0.00           0.00              6             18           0.12           0.82           5.41
                  &(&ioc->lock)->rlock/1:             0              0           0.00           0.00           0.00              8             11           0.24           0.68           5.13
                  &(&ioc->lock)->rlock#2:             0              0           0.00           0.00           0.00              0             11           0.12           0.36           2.37
                          &hcd->rh_timer:             0              0           0.00           0.00           0.00              0           4487           7.63         207.64       47262.99
                   random_read_wait.lock:             0              0           0.00           0.00           0.00           3248          33237           0.11           6.43        8202.51
                            init_fs.lock:             0              0           0.00           0.00           0.00             35             65           0.11           1.73          31.08
                       mb_cache_spinlock:             0              0           0.00           0.00           0.00             92            248           0.20           3.46         241.59
                           binfmt_lock-R:             0              0           0.00           0.00           0.00              8             20           0.13           1.04           9.87
         &(&futex_queues[i].lock)->rlock:             0              0           0.00           0.00           0.00             20             31           0.26          13.02          66.06
                        &ei->xattr_sem-R:             0              0           0.00           0.00           0.00              7             11           0.27           0.72           5.09
                            events_nrt-R:             0              0           0.00           0.00           0.00              0            112        1189.50        1430.00      134497.38
                             fasync_lock:             0              0           0.00           0.00           0.00              1              2           0.45           0.49           0.94
                         &watchdog_timer:             0              0           0.00           0.00           0.00              0           2243           4.12          29.81       18578.82
                    &(&u->lock)->rlock/1:             0              0           0.00           0.00           0.00              3              4           0.10           0.11           0.41
                          sb_writers#7-R:             0              0           0.00           0.00           0.00              0            420           4.19         394.70        3722.02
                 &type->s_umount_key#1-R:             0              0           0.00           0.00           0.00              3            254           0.12           1.08         123.54
              &type->i_mutex_dir_key#3/1:             0              0           0.00           0.00           0.00              0              2          12.63          13.55          26.18
              &sb->s_type->i_mutex_key#9:             0              0           0.00           0.00           0.00              4              6           1.28           4.40          19.47
                       &tty->output_lock:             0              0           0.00           0.00           0.00              0              2           1.72           5.96           7.69
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              3            260           0.12         474.63        1689.71
               &s->s_dquot.dqonoff_mutex:             0              0           0.00           0.00           0.00              2              4           0.17           3.37           6.00
              &sb->s_type->i_mutex_key#1:             0              0           0.00           0.00           0.00             17            418           3.85         264.67        3076.47
   &(&transaction->t_handle_lock)->rlock:             0              0           0.00           0.00           0.00             14            885           0.11           2.20         267.49
                              jbd_handle:             0              0           0.00           0.00           0.00              0            440           2.08         203.31        2351.29
                     &sbi->s_orphan_lock:             0              0           0.00           0.00           0.00              3              4           2.53           8.60          17.63
         &(&journal->j_list_lock)->rlock:             0              0           0.00           0.00           0.00             16            641           0.12          10.00         242.27
       &(&journal->j_revoke_lock)->rlock:             0              0           0.00           0.00           0.00              3              8           0.13           0.69           2.86
                &journal->j_wait_updates:             0              0           0.00           0.00           0.00             15            440           0.11           0.91          66.17
                     &ei->truncate_mutex:             0              0           0.00           0.00           0.00              3             10           0.51          84.54         128.06
           &(&bgl->locks[i].lock)->rlock:             0              0           0.00           0.00           0.00              5             12           0.11           0.67           3.28
         &(&sbi->s_next_gen_lock)->rlock:             0              0           0.00           0.00           0.00              1              2           0.29           0.55           0.85
                          file_lock_lock:             0              0           0.00           0.00           0.00              1              6           0.83           1.54           7.46
       &(&sbi->s_rsv_window_lock)->rlock:             0              0           0.00           0.00           0.00              1              3           0.14           0.88           1.75
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              3            254           0.11           0.74          95.50
                    &(&ifa->lock)->rlock:             0              0           0.00           0.00           0.00              0             30           0.12           0.41           6.19
                         &tb->tb6_lock-W:             0              0           0.00           0.00           0.00              0            132           0.15          76.86         754.48
                         &tb->tb6_lock-R:             0              0           0.00           0.00           0.00              0             15           1.57           2.81          33.60
                      fib6_walker_lock-W:             0              0           0.00           0.00           0.00              0            148           0.11           1.13          28.41
                      fib6_walker_lock-R:             0              0           0.00           0.00           0.00              0             26           0.14           0.95           6.59
                           slock-AF_INET:             0              0           0.00           0.00           0.00              0             12           0.14           0.37           2.62
                           clock-AF_INET:             0              0           0.00           0.00           0.00              0             12           0.13           0.44           2.60
                              rtnl_mutex:             0              0           0.00           0.00           0.00              3             12           0.73           4.01          22.17
          &(&table->hash[i].lock)->rlock:             0              0           0.00           0.00           0.00              0            130           0.21           0.64          46.20
                        rt_uncached_lock:             0              0           0.00           0.00           0.00              0            148           0.16           0.62          46.08
       &(&futex_queues[i].lock)->rlock/1:             0              0           0.00           0.00           0.00              2              4           0.09           6.83           7.31
                         &sem->wait_lock:             0              0           0.00           0.00           0.00              2              2           0.62          12.03          12.64
                     edac_pci_ctls_mutex:             0              0           0.00           0.00           0.00            224           1076           0.96          25.43        3767.43
                            s_active#4-R:             0              0           0.00           0.00           0.00              0          10752           0.58          49.78        7963.36
                            s_active#4-R:             0              0           0.00           0.00           0.00              0          21504           0.51           1.65       17177.05
                            s_active#4-R:             0              0           0.00           0.00           0.00              0          10528           0.30          61.27        7203.58
                          tty_ldisc_lock:             0              0           0.00           0.00           0.00              2              2           0.68           0.80           1.48
                &journal->j_commit_timer:             0              0           0.00           0.00           0.00              0              9           0.08           6.83          22.73
     &journal->j_wait_transaction_locked:             0              0           0.00           0.00           0.00              3              5           0.24           0.56           1.71
                              &x->wait#1:             0              0           0.00           0.00           0.00              4              6           0.41           6.11          13.73
                         rcu_read_lock-R:             0              0           0.00           0.00           0.00              0      630805493           0.07         374.84   176430583.86
                       &tty->ldisc_mutex:             0              0           0.00           0.00           0.00              1              2           0.37           0.55           0.92
                 &dev->mode_config.mutex:             0              0           0.00           0.00           0.00              0            112        1186.30        1423.92      134120.17
             &dev->mode_config.idr_mutex:             0              0           0.00           0.00           0.00              0            112           0.38           4.71         112.01
                 &(&bp->phy_lock)->rlock:             0              0           0.00           0.00           0.00              6           1075           0.19          44.08        5313.43
                             &ipmi_timer:             0              0           0.00           0.00           0.00              0           1119           2.22          24.75        6172.88
          &(&dev->tx_global_lock)->rlock:             0              0           0.00           0.00           0.00              0            225           3.81          18.02        2097.58
                           _xmit_ETHER#2:             0              0           0.00           0.00           0.00              0           1801           0.12           3.28         523.99
                 &(&list->lock)->rlock#2:             0              0           0.00           0.00           0.00              0           1802           0.10           4.65         505.65
                              &n->lock-W:             0              0           0.00           0.00           0.00              3            220           0.13           2.46         135.89
                              &n->lock-R:             0              0           0.00           0.00           0.00              0             33           0.20           1.26          15.94
                    &(&pci->work)->timer:             0              0           0.00           0.00           0.00              0           1076           2.46          65.77        9621.58
                           edac-poller-R:             0              0           0.00           0.00           0.00              0           1076           1.80         206.88        6354.60
                   (&(&pci->work)->work):             0              0           0.00           0.00           0.00              0           1076           1.49         205.47        5398.05
      &(&intf->waiting_msgs_lock)->rlock:             0              0           0.00           0.00           0.00              0           1119           0.17           1.33         492.56
               &(&intf->seq_lock)->rlock:             0              0           0.00           0.00           0.00              0           1119           0.40           1.86         830.92
                              &bp->timer:             0              0           0.00           0.00           0.00              0           1119           3.40          28.78        9202.85
                            s_active#6-R:             0              0           0.00           0.00           0.00              0            592           0.35           1.22         413.28
                            s_active#6-R:             0              0           0.00           0.00           0.00              0            306           0.42           0.93         195.67
                            s_active#6-R:             0              0           0.00           0.00           0.00              0            306           0.65           1.04         229.90
                 &(&list->lock)->rlock#4:             0              0           0.00           0.00           0.00              1             33           0.10           0.46           6.88
                          icmp6_dst_lock:             0              0           0.00           0.00           0.00              0             37           0.16           1.31          25.77
                 &(&bdi->wb_lock)->rlock:             0              0           0.00           0.00           0.00             41            346           0.10          15.63         266.99
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              3            259           0.12         101.20         468.79
                         (&(work)->work):             0              0           0.00           0.00           0.00              0          53827           2.32         233.49      360028.49
                          &(work)->timer:             0              0           0.00           0.00           0.00              0          53827           0.59         221.24      386115.74
               &journal->j_wait_logspace:             0              0           0.00           0.00           0.00              2              5           0.35           1.88           3.86
          &(&(&n->ha_lock)->lock)->rlock:             0              0           0.00           0.00           0.00              0             12           0.14           0.16           1.75
                 mm/page-writeback.c:144:             0              0           0.00           0.00           0.00              0            374           5.34          34.42        4670.46
                    &dev->watchdog_timer:             0              0           0.00           0.00           0.00              0            225           4.12          20.61        2266.75
                               &pl->lock:             0              0           0.00           0.00           0.00            160            332           0.60          28.12         962.94
   &(&dev->mode_config.output_poll_work):             0              0           0.00           0.00           0.00              0            112           3.07          21.33         776.01
   (&(&dev->mode_config.output_poll_work:             0              0           0.00           0.00           0.00              0            112        1189.00        1428.13      134409.82
                 &(&tbl->gc_work)->timer:             0              0           0.00           0.00           0.00              0            149           1.88          48.45         950.88
                (&(&tbl->gc_work)->work):             0              0           0.00           0.00           0.00              0            149           5.10          32.21        1273.64
                    &in_dev->mr_gq_timer:             0              0           0.00           0.00           0.00              0             18           1.40           5.34          48.43
                &net->ipv6.ip6_fib_timer:             0              0           0.00           0.00           0.00              0             37          11.36         106.98        1046.78
                            fib6_gc_lock:             0              0           0.00           0.00           0.00              0             37          10.68         104.01         971.10
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              6            508           0.10           2.14         320.51
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              3            254           0.12           1.01         159.16
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00             15           1016           0.10           4.93         328.80
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              3            254           0.12           0.89         123.13
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              3            254           0.12           0.94         140.75
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              3            254           0.12           1.05         140.44
                 &type->s_umount_key#3-R:             0              0           0.00           0.00           0.00              3            254           0.12           0.93         139.91
                 &type->s_umount_key#3-R:             0              0           0.00           0.00           0.00              3            254           0.11           0.97         139.58
                              &x->wait#2:             0              0           0.00           0.00           0.00              6             12           0.13          19.79          38.12
                 &type->s_umount_key#3-R:             0              0           0.00           0.00           0.00              4            254           0.11           0.84         115.44
                &type->i_mutex_dir_key#3:             0              0           0.00           0.00           0.00              2              7           0.22       11929.65       12557.79
                                   key#1:             0              0           0.00           0.00           0.00            287            303           0.24           1.84         167.20
                                       t:             0              0           0.00           0.00           0.00              0            153           2.05          25.93        1002.29
                        &f->secret_timer:             0              0           0.00           0.00           0.00              0              4          10.76          27.07          73.91
                                &f->lock:             0              0           0.00           0.00           0.00              0              4           9.51          24.87          66.90
                          &fc->rnd_timer:             0              0           0.00           0.00           0.00              0              2          14.61          15.00          29.61
                           clock-AF_UNIX:             0              0           0.00           0.00           0.00              1             12           0.11           0.48           2.90
                 &journal->j_wait_commit:             0              0           0.00           0.00           0.00              1             11           0.12          10.74          14.30
            &journal->j_wait_done_commit:             0              0           0.00           0.00           0.00              2             13           0.11           3.61           6.78
                        &vfsmount_lock-R:             0              0           0.00           0.00           0.00              0       12303375           0.08         307.01     4035360.28
          &fs_devices->device_list_mutex:             0              0           0.00           0.00           0.00          65812         135219           0.54        1028.22     8857904.58
            &sb->s_type->i_mutex_key#1/1:             0              0           0.00           0.00           0.00          38453          67071          22.69        4883.09    19341973.59
               &sb->s_type->i_lock_key#1:             0              0           0.00           0.00           0.00           1003           1105           0.09           1.56         265.00
                   &fs_info->chunk_mutex:             0              0           0.00           0.00           0.00             10            230           6.78         395.18       20085.90
                              &state->wq:             0              0           0.00           0.00           0.00        1847974        3234617           0.11         211.27      409105.79
                        btrfs-chunk-00-W:             0              0           0.00           0.00           0.00             25           1136           0.11           1.43         212.13
                        btrfs-chunk-00-R:             0              0           0.00           0.00           0.00             11            454           0.14           0.73          93.47
     &(&fs_info->free_chunk_lock)->rlock:             0              0           0.00           0.00           0.00             10            227           0.10           0.48          32.91
                         btrfs-root-00-W:             0              0           0.00           0.00           0.00              1            200           0.15           2.48          79.21
                         btrfs-root-00-R:             0              0           0.00           0.00           0.00             18            162           0.10           0.95          39.24
                          btrfs-dev-00-W:             0              0           0.00           0.00           0.00              7            676           0.11           2.31         105.88
                          btrfs-dev-00-R:             0              0           0.00           0.00           0.00             42           4079           0.11           3.64        1854.80
                        btrfs-chunk-01-W:             0              0           0.00           0.00           0.00              1           1655           0.15           3.19         954.38
                        btrfs-chunk-01-R:             0              0           0.00           0.00           0.00             13           2961           0.10           6.94         766.79
                    &found->groups_sem-W:             0              0           0.00           0.00           0.00             11            227           0.11           0.52          34.96
                    &found->groups_sem-R:             0              0           0.00           0.00           0.00         567370        6601057           0.10         320.43    14190737.84
                  &(&cache->lock)->rlock:             0              0           0.00           0.00           0.00             35            297           0.11           0.83          62.06
                 &fs_info->cleaner_mutex:             0              0           0.00           0.00           0.00              0             19           2.67           3.99          59.89
            &(&(&tk->lock)->lock)->rlock:             0              0           0.00           0.00           0.00              0         112155           1.23         256.65     1351324.92
                       &wb->wakeup_timer:             0              0           0.00           0.00           0.00              0              9           5.14          17.15          92.58
                &(&cache->lock)->rlock#2:             0              0           0.00           0.00           0.00        1286811        7681739           0.10         274.88     1605435.42
             &fs_info->extent_commit_sem:             0              0           0.00           0.00           0.00             17             38           0.27           4.07          66.62
      &fs_info->ordered_operations_mutex:             0              0           0.00           0.00           0.00            172        1334453           0.35         294.88     1582905.85
                         sb_internal#3-R:             0              0           0.00           0.00           0.00              0       22260923           1.58    98326819.95  6660613692.50
                        &head_ref->mutex:             0              0           0.00           0.00           0.00              0       16822999           0.09       18571.19    89666328.13
       &(&cur_trans->commit_lock)->rlock:             0              0           0.00           0.00           0.00             16             19           0.22           0.80           8.10
      &fs_info->transaction_blocked_wait:             0              0           0.00           0.00           0.00             17             19           0.42           0.91          12.58
                 &type->s_umount_key#3-R:             0              0           0.00           0.00           0.00              3           3286           0.08     5131222.94   359204509.03
                    &fs_info->scrub_lock:             0              0           0.00           0.00           0.00             17             19           0.64           1.74          18.60
                  &rl->wait[BLK_RW_SYNC]:             0              0           0.00           0.00           0.00           7168          25146           0.11         226.32       59095.88
                          btrfs-dev-01-W:             0              0           0.00           0.00           0.00              1            972           0.15           1.78         531.68
                          btrfs-dev-01-R:             0              0           0.00           0.00           0.00             13           6691           0.10           4.38        4222.48
        &(&root->accounting_lock)->rlock:             0              0           0.00           0.00           0.00         126603         405345           0.10          60.50      123726.52
             &(&root->inode_lock)->rlock:             0              0           0.00           0.00           0.00          65846        3540676           0.11         278.51     1603177.18
                 &rl->wait[BLK_RW_ASYNC]:             0              0           0.00           0.00           0.00            173           4632           0.11          12.89        6678.55
                              &x->wait#2:             0              0           0.00           0.00           0.00              0         270388           0.11           1.28       37418.06
                 &cur_trans->commit_wait:             0              0           0.00           0.00           0.00             19             19           0.25           1.08           9.27
              &fs_info->scrub_pause_wait:             0              0           0.00           0.00           0.00             18             19           0.26           0.56           7.23
                &type->i_mutex_dir_key#6:             0              0           0.00           0.00           0.00              1              2           3.51           8.93          12.44
                          sb_writers#1-R:             0              0           0.00           0.00           0.00              0       17557287           1.13    97617582.80   846533755.55
              &type->i_mutex_dir_key#6/1:             0              0           0.00           0.00           0.00              0              7           0.87         480.92         517.29
                   &root->objectid_mutex:             0              0           0.00           0.00           0.00          65830        1136177           0.15         213.78      344665.21
   &(&fs_info->defrag_inodes_lock)->rloc:             0              0           0.00           0.00           0.00              1             19           0.92           1.20          20.31
                     &sig->wait_chldexit:             0              0           0.00           0.00           0.00            101           2337           0.11          12.00         494.44
   &(&fs_info->fs_roots_radix_lock)->rlo:             0              0           0.00           0.00           0.00             34             57           0.16           8.53         156.24
     &fs_info->transaction_kthread_mutex:             0              0           0.00           0.00           0.00             15             19           5.64    98326837.29   576071236.79
              &sb->s_type->i_mutex_key#1:             0              0           0.00           0.00           0.00         117102       17463240           6.84    97617569.55   993279331.01
                     &ei->delalloc_mutex:             0              0           0.00           0.00           0.00             11       16126819           0.81         292.07    15980033.53
                     &(&ei->lock)->rlock:             0              0           0.00           0.00           0.00         961969       49380698           0.10         292.38     6321137.29
                &child->perf_event_mutex:             0              0           0.00           0.00           0.00             46             47           0.34           4.00          56.51
                            &entry->wait:             0              0           0.00           0.00           0.00        1108899        1228026           0.10         253.91      842873.63
                 &sb->s_type->i_lock_key:             0              0           0.00           0.00           0.00             20            115           0.15           0.89          34.92
                                ntp_lock:             0              0           0.00           0.00           0.00              0         225431           0.10           6.22       44322.94
            &(&root->orphan_lock)->rlock:             0              0           0.00           0.00           0.00          18650         132152           0.12          54.55       30370.51
                  &root->fs_commit_mutex:             0              0           0.00           0.00           0.00             18             19           4.01           8.23         102.19
                  &nonblocking_pool.lock:             0              0           0.00           0.00           0.00             13           2303           0.16           4.32        1374.90
                        &root->log_mutex:             0              0           0.00           0.00           0.00         236707        1012296           0.14     5706359.29    69056824.37
                          btrfs-log-00-W:             0              0           0.00           0.00           0.00         268988       10298331           0.10         248.77     1902515.92
                          btrfs-log-00-R:             0              0           0.00           0.00           0.00          76301         544020           0.10         120.02      106259.90
                          &ei->log_mutex:             0              0           0.00           0.00           0.00         150491         201246           8.25        3172.47    43687803.03
              &fs_info->scrub_super_lock:             0              0           0.00           0.00           0.00          65780         135175          39.08        1030.77     9061498.00
                          btrfs-log-01-W:             0              0           0.00           0.00           0.00         141275        8161520           0.13         284.76     4288950.09
                          btrfs-log-01-R:             0              0           0.00           0.00           0.00          53461        5913432           0.10         282.29     2608738.06
                          btrfs-log-02-W:             0              0           0.00           0.00           0.00              8        2076170           0.14         275.72     1301793.74
                          btrfs-log-02-R:             0              0           0.00           0.00           0.00         100632       16994535           0.10         283.90     6749439.49
                        &input_pool.lock:             0              0           0.00           0.00           0.00            758         118868           0.15          11.72       33747.32
