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:     129678113      137553543           0.09         534.39  1019964265.74      216068792      245560503           0.08         311.50   361434004.03
                      ------------------
                      &eb->write_lock_wq       22270854          [<ffffffff8106e892>] __wake_up+0x32/0x70
                      &eb->write_lock_wq       46579110          [<ffffffff81063531>] finish_wait+0x41/0x80
                      &eb->write_lock_wq       68703579          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90
                      ------------------
                      &eb->write_lock_wq       72682737          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90
                      &eb->write_lock_wq       38374280          [<ffffffff8106e892>] __wake_up+0x32/0x70
                      &eb->write_lock_wq       26496526          [<ffffffff81063531>] finish_wait+0x41/0x80

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

                         btrfs-csum-01-W:      51603112       54149567           0.09        2368.71   728379449.56       76991657      144196359           0.08        4408.39   297431925.13
                         btrfs-csum-01-R:      23565463       25159902           0.09        2464.55   198639780.99       70280258      125781538           0.08        2364.85   183605741.32
                         ---------------
                           btrfs-csum-01        8531872          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                           btrfs-csum-01       28747733          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           btrfs-csum-01       18034587          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                           btrfs-csum-01        7179153          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                         ---------------
                           btrfs-csum-01       38942234          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                           btrfs-csum-01       17010491          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           btrfs-csum-01        4133731          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                           btrfs-csum-01        4175025          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140

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

                           btrfs-fs-03-W:      20290671       23883467           0.09        3034.79   518810629.55       26079395       30673722           0.08         329.38   173749654.88
                           btrfs-fs-03-R:      15052185       16113795           0.10         398.22   174210727.63       43147600       54348800           0.08         310.48   126765464.82
                           -------------
                             btrfs-fs-03       13256429          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                             btrfs-fs-03       10627034          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                             btrfs-fs-03        7870989          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                             btrfs-fs-03        6619636          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                           -------------
                             btrfs-fs-03       17489820          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                             btrfs-fs-03       10854768          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                             btrfs-fs-03        3699192          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                             btrfs-fs-03        5515228          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140

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

                       &eb->read_lock_wq:      24745623       26759995           0.10         344.66   143849690.77       55559115       67457962           0.08         315.18    96336441.68
                       -----------------
                       &eb->read_lock_wq       10233442          [<ffffffff8106e892>] __wake_up+0x32/0x70
                       &eb->read_lock_wq        6478445          [<ffffffff81063531>] finish_wait+0x41/0x80
                       &eb->read_lock_wq       10048108          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90
                       -----------------
                       &eb->read_lock_wq        3743141          [<ffffffff81063531>] finish_wait+0x41/0x80
                       &eb->read_lock_wq        8102471          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90
                       &eb->read_lock_wq       14914382          [<ffffffff8106e892>] __wake_up+0x32/0x70

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

                &(&eb->refs_lock)->rlock:      10364487       10717107           0.09        1480.94    12647543.29      196235419      668965968           0.08        1674.77   160482691.94
                ------------------------
                &(&eb->refs_lock)->rlock        6262364          [<ffffffff8132b7df>] free_extent_buffer+0x1f/0x90
                &(&eb->refs_lock)->rlock        4454742          [<ffffffff81325345>] check_buffer_tree_ref+0x25/0x50
                &(&eb->refs_lock)->rlock              1          [<ffffffff8132c08f>] free_extent_buffer_stale+0x1f/0x70
                ------------------------
                &(&eb->refs_lock)->rlock        7392214          [<ffffffff8132b7df>] free_extent_buffer+0x1f/0x90
                &(&eb->refs_lock)->rlock        3324893          [<ffffffff81325345>] check_buffer_tree_ref+0x25/0x50

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

          &(&fs_info->trans_lock)->rlock:       4000186        4045088           0.20      242738.79  3497452198.31       12841604       68883100           0.09         313.33    31423068.21
          ------------------------------
          &(&fs_info->trans_lock)->rlock        2222527          [<ffffffff8130e0e5>] join_transaction.clone.25+0x25/0x370
          &(&fs_info->trans_lock)->rlock        1822473          [<ffffffff8130eb48>] btrfs_transaction_in_commit+0x28/0x60
          &(&fs_info->trans_lock)->rlock              3          [<ffffffff8130eba8>] btrfs_transaction_blocked+0x28/0x60
          &(&fs_info->trans_lock)->rlock              1          [<ffffffff8130ee67>] btrfs_commit_transaction+0x287/0xb20
          ------------------------------
          &(&fs_info->trans_lock)->rlock        2263114          [<ffffffff8130e0e5>] join_transaction.clone.25+0x25/0x370
          &(&fs_info->trans_lock)->rlock        1781920          [<ffffffff8130eb48>] btrfs_transaction_in_commit+0x28/0x60
          &(&fs_info->trans_lock)->rlock              3          [<ffffffff81308082>] transaction_kthread+0x102/0x230
          &(&fs_info->trans_lock)->rlock              2          [<ffffffff8130eba8>] btrfs_transaction_blocked+0x28/0x60

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

   &(&cur_trans->delayed_refs.lock)->rlo:       2670140        2837225           0.16        5793.48    13423220.79       11395038       23120454           0.09         566.69    53013442.09
   -------------------------------------
   &(&cur_trans->delayed_refs.lock)->rlo         155272          [<ffffffff8134e0ad>] btrfs_add_delayed_tree_ref+0xbd/0x210
   &(&cur_trans->delayed_refs.lock)->rlo        1373363          [<ffffffff812fbc9c>] run_clustered_refs+0x19c/0xa70
   &(&cur_trans->delayed_refs.lock)->rlo         228452          [<ffffffff812fbd83>] run_clustered_refs+0x283/0xa70
   &(&cur_trans->delayed_refs.lock)->rlo           1549          [<ffffffff812fc7d1>] btrfs_run_delayed_refs+0x261/0x4b0
   -------------------------------------
   &(&cur_trans->delayed_refs.lock)->rlo         179849          [<ffffffff8134e0ad>] btrfs_add_delayed_tree_ref+0xbd/0x210
   &(&cur_trans->delayed_refs.lock)->rlo         241409          [<ffffffff812fbd83>] run_clustered_refs+0x283/0xa70
   &(&cur_trans->delayed_refs.lock)->rlo         151659          [<ffffffff812fc610>] btrfs_run_delayed_refs+0xa0/0x4b0
   &(&cur_trans->delayed_refs.lock)->rlo         678346          [<ffffffff812fbc9c>] run_clustered_refs+0x19c/0xa70

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

           &(&delayed_root->lock)->rlock:       1812937        1961634           0.17      332901.51  1467621083.82       11241993       41496760           0.08         299.22    28947429.87
           -----------------------------
           &(&delayed_root->lock)->rlock         836308          [<ffffffff81357571>] btrfs_first_prepared_delayed_node+0x21/0x70
           &(&delayed_root->lock)->rlock         990273          [<ffffffff81356b55>] __btrfs_release_delayed_node+0x65/0x210
           &(&delayed_root->lock)->rlock          26760          [<ffffffff8135828a>] btrfs_async_run_delayed_node_done+0x15a/0x210
           &(&delayed_root->lock)->rlock          78953          [<ffffffff81356c00>] __btrfs_release_delayed_node+0x110/0x210
           -----------------------------
           &(&delayed_root->lock)->rlock          33886          [<ffffffff8135828a>] btrfs_async_run_delayed_node_done+0x15a/0x210
           &(&delayed_root->lock)->rlock        1073871          [<ffffffff81356b55>] __btrfs_release_delayed_node+0x65/0x210
           &(&delayed_root->lock)->rlock          42300          [<ffffffff81356c00>] __btrfs_release_delayed_node+0x110/0x210
           &(&delayed_root->lock)->rlock         774793          [<ffffffff81357571>] btrfs_first_prepared_delayed_node+0x21/0x70

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

                           btrfs-fs-02-W:        899803        1037906           0.14        2610.91    29641750.98        4155611       16745883           0.08         302.87    22470988.92
                           btrfs-fs-02-R:        680689         724294           0.15         431.77     6880056.90        4961660       17582782           0.08         400.72    21703517.67
                           -------------
                             btrfs-fs-02         634763          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                             btrfs-fs-02         118373          [<ffffffff8133e83a>] btrfs_clear_lock_blocking_rw+0x6a/0x1a0
                             btrfs-fs-02         348077          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                             btrfs-fs-02         398594          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                           -------------
                             btrfs-fs-02         217197          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                             btrfs-fs-02         571248          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                             btrfs-fs-02         634118          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                             btrfs-fs-02         148338          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140

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

                  &(&found->lock)->rlock:       1683515        1687288           0.10       58213.90    51967878.98       23653997      100466608           0.08         399.18    36019937.58
                  ----------------------
                  &(&found->lock)->rlock         164936          [<ffffffff812fa307>] btrfs_check_data_free_space+0x97/0x270
                  &(&found->lock)->rlock          77517          [<ffffffff812f25e4>] btrfs_update_reserved_bytes+0x44/0x140
                  &(&found->lock)->rlock              8          [<ffffffff81300028>] btrfs_make_block_group+0x208/0x3c0
                  &(&found->lock)->rlock             12          [<ffffffff812f597d>] update_global_block_rsv+0x5d/0x290
                  ----------------------
                  &(&found->lock)->rlock              6          [<ffffffff812f597d>] update_global_block_rsv+0x5d/0x290
                  &(&found->lock)->rlock         181254          [<ffffffff812fa307>] btrfs_check_data_free_space+0x97/0x270
                  &(&found->lock)->rlock         112649          [<ffffffff812f25e4>] btrfs_update_reserved_bytes+0x44/0x140
                  &(&found->lock)->rlock             11          [<ffffffff812f3992>] update_space_info+0x62/0x210

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

           &(&mapping->tree_lock)->rlock:        837353         886646           0.09         387.38      772807.10        2524694      120184782           0.10         410.90    26152382.03
           -----------------------------
           &(&mapping->tree_lock)->rlock         344925          [<ffffffff811042f3>] test_set_page_writeback+0x63/0x190
           &(&mapping->tree_lock)->rlock         529987          [<ffffffff8110586f>] test_clear_page_writeback+0x5f/0x1b0
           &(&mapping->tree_lock)->rlock           5042          [<ffffffff810f9a51>] add_to_page_cache_locked+0x71/0xe0
           &(&mapping->tree_lock)->rlock            964          [<ffffffff81103630>] tag_pages_for_writeback+0x30/0xb0
           -----------------------------
           &(&mapping->tree_lock)->rlock         426991          [<ffffffff8110586f>] test_clear_page_writeback+0x5f/0x1b0
           &(&mapping->tree_lock)->rlock         441070          [<ffffffff811042f3>] test_set_page_writeback+0x63/0x190
           &(&mapping->tree_lock)->rlock          11267          [<ffffffff811040f0>] __set_page_dirty_nobuffers+0x60/0x150
           &(&mapping->tree_lock)->rlock            430          [<ffffffff81103630>] tag_pages_for_writeback+0x30/0xb0

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

                         btrfs-csum-03-W:        328396         390977           0.10        1233.16     4132581.35         453074        2268039           0.08         289.77     4249347.07
                         btrfs-csum-03-R:        349649         366714           0.12         256.03     2153659.65       72016131      188743395           0.08        2527.79   268513269.58
                         ---------------
                           btrfs-csum-03         184289          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           btrfs-csum-03          56339          [<ffffffff8133e83a>] btrfs_clear_lock_blocking_rw+0x6a/0x1a0
                           btrfs-csum-03         197024          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                           btrfs-csum-03         206688          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                         ---------------
                           btrfs-csum-03          77117          [<ffffffff8133e83a>] btrfs_clear_lock_blocking_rw+0x6a/0x1a0
                           btrfs-csum-03         135855          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           btrfs-csum-03         115668          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                           btrfs-csum-03         327927          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0

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

                         btrfs-csum-02-W:        362346         371896           0.13        3453.88    10645962.66         616954        2564609           0.08         289.35     3020721.91
                         btrfs-csum-02-R:        322067         337778           0.10         205.23     1479075.62      130133139      226292722           0.08        2468.55   794002475.57
                         ---------------
                           btrfs-csum-02          75485          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                           btrfs-csum-02          68215          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                           btrfs-csum-02          56185          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                           btrfs-csum-02         291673          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                         ---------------
                           btrfs-csum-02         176175          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                           btrfs-csum-02          36203          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                           btrfs-csum-02         138877          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           btrfs-csum-02          29375          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140

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

                       btrfs-extent-03-W:        342413         376163           0.10        1422.23     3519374.13         436097       13266923           0.08         295.07    12064880.49
                       btrfs-extent-03-R:        302642         312289           0.11         471.36     1726253.17        1596153       24403933           0.08         305.09    10932666.34
                       -----------------
                         btrfs-extent-03         206874          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                         btrfs-extent-03         169287          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                         btrfs-extent-03          31755          [<ffffffff8133e83a>] btrfs_clear_lock_blocking_rw+0x6a/0x1a0
                         btrfs-extent-03         173714          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                       -----------------
                         btrfs-extent-03         101786          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                         btrfs-extent-03          93252          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                         btrfs-extent-03         144743          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                         btrfs-extent-03         309723          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0

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

                    &delayed_node->mutex:        475244         475260           6.32      427654.66   195598323.18        4774878       77835613           0.12      332926.20  1115528521.22
                    --------------------
                    &delayed_node->mutex         444790          [<ffffffff813592a8>] btrfs_delayed_update_inode+0x48/0x660
                    &delayed_node->mutex          13807          [<ffffffff81356b3f>] __btrfs_release_delayed_node+0x4f/0x210
                    &delayed_node->mutex          13174          [<ffffffff813579a3>] btrfs_insert_delayed_items+0x43/0x460
                    &delayed_node->mutex           1403          [<ffffffff813572ac>] btrfs_update_delayed_inode+0x3c/0x1e0
                    --------------------
                    &delayed_node->mutex         428966          [<ffffffff813572ac>] btrfs_update_delayed_inode+0x3c/0x1e0
                    &delayed_node->mutex          18461          [<ffffffff813592a8>] btrfs_delayed_update_inode+0x48/0x660
                    &delayed_node->mutex          21044          [<ffffffff81356b3f>] __btrfs_release_delayed_node+0x4f/0x210
                    &delayed_node->mutex           4511          [<ffffffff813579a3>] btrfs_insert_delayed_items+0x43/0x460

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

                      &(&t->lock)->rlock:        445051         463784           0.10         270.73      471338.16        2700789       53962601           0.08         286.59    13672066.55
                      ------------------
                      &(&t->lock)->rlock          90717          [<ffffffff81323d2e>] btrfs_add_ordered_sum+0x2e/0x70
                      &(&t->lock)->rlock          97766          [<ffffffff8132471d>] btrfs_lookup_ordered_extent+0x3d/0x110
                      &(&t->lock)->rlock         146779          [<ffffffff81323fbc>] btrfs_dec_test_ordered_pending+0x4c/0x1e0
                      &(&t->lock)->rlock         126011          [<ffffffff81323aad>] __btrfs_add_ordered_extent+0x11d/0x2e0
                      ------------------
                      &(&t->lock)->rlock         100605          [<ffffffff81323fbc>] btrfs_dec_test_ordered_pending+0x4c/0x1e0
                      &(&t->lock)->rlock          72733          [<ffffffff8132471d>] btrfs_lookup_ordered_extent+0x3d/0x110
                      &(&t->lock)->rlock          62912          [<ffffffff81323d2e>] btrfs_add_ordered_sum+0x2e/0x70
                      &(&t->lock)->rlock         224855          [<ffffffff81323aad>] __btrfs_add_ordered_extent+0x11d/0x2e0

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

                               &rq->lock:        302573         302818           0.23         216.99      517987.37       24457413      427116300           0.07         320.46   291440652.64
                               ---------
                               &rq->lock           4616          [<ffffffff8107b6ac>] load_balance+0x55c/0x820
                               &rq->lock           2709          [<ffffffff8169682e>] __schedule+0xbe/0x7c0
                               &rq->lock              3          [<ffffffff8106eaeb>] task_rq_lock+0x5b/0xb0
                               &rq->lock         291041          [<ffffffff81074a87>] try_to_wake_up+0x237/0x300
                               ---------
                               &rq->lock           1908          [<ffffffff8107b4af>] load_balance+0x35f/0x820
                               &rq->lock           3813          [<ffffffff8107b6ac>] load_balance+0x55c/0x820
                               &rq->lock         289647          [<ffffffff8169682e>] __schedule+0xbe/0x7c0
                               &rq->lock              6          [<ffffffff8107bc93>] idle_balance+0x133/0x180

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

             &fs_info->tree_mod_log_lock:        290173         290510           0.12        5171.22     1526366.23        8921021       11281100           0.08        6929.27    16392992.37
             ---------------------------
             &fs_info->tree_mod_log_lock          24022          [<ffffffff812e7245>] tree_mod_log_insert_move.clone.39+0x85/0x190
             &fs_info->tree_mod_log_lock          67417          [<ffffffff812e6a7f>] tree_mod_log_insert_key_mask.clone.37+0x8f/0x1d0
             &fs_info->tree_mod_log_lock          97831          [<ffffffff812e90dc>] btrfs_get_tree_mod_seq+0x3c/0xc0
             &fs_info->tree_mod_log_lock            526          [<ffffffff812e714f>] tree_mod_log_free_eb+0x6f/0xe0
             ---------------------------
             &fs_info->tree_mod_log_lock          78520          [<ffffffff812e9245>] btrfs_put_tree_mod_seq+0xe5/0x180
             &fs_info->tree_mod_log_lock          39676          [<ffffffff812e6a7f>] tree_mod_log_insert_key_mask.clone.37+0x8f/0x1d0
             &fs_info->tree_mod_log_lock          13340          [<ffffffff812e7245>] tree_mod_log_insert_move.clone.39+0x85/0x190
             &fs_info->tree_mod_log_lock             13          [<ffffffff812e82c5>] tree_mod_log_insert_root.clone.40+0x45/0x1b0

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

       &(&fs_info->delalloc_lock)->rlock:        281344         287756           0.14         319.14      435744.00        8000603       40682398           0.08         314.52    13360705.12
       ---------------------------------
       &(&fs_info->delalloc_lock)->rlock         158836          [<ffffffff81313206>] btrfs_set_bit_hook+0x96/0x190
       &(&fs_info->delalloc_lock)->rlock          59147          [<ffffffff812f6b7b>] update_block_group.clone.58+0x3b/0x2a0
       &(&fs_info->delalloc_lock)->rlock          11129          [<ffffffff8130a4d1>] btrfs_mark_buffer_dirty+0x91/0xf0
       &(&fs_info->delalloc_lock)->rlock          20451          [<ffffffff8132bb47>] btree_write_cache_pages+0x2f7/0x820
       ---------------------------------
       &(&fs_info->delalloc_lock)->rlock          13921          [<ffffffff8130a4d1>] btrfs_mark_buffer_dirty+0x91/0xf0
       &(&fs_info->delalloc_lock)->rlock          56688          [<ffffffff812f6b7b>] update_block_group.clone.58+0x3b/0x2a0
       &(&fs_info->delalloc_lock)->rlock         156036          [<ffffffff81313206>] btrfs_set_bit_hook+0x96/0x190
       &(&fs_info->delalloc_lock)->rlock          16888          [<ffffffff8132bb47>] btree_write_cache_pages+0x2f7/0x820

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

                    &(&rsv->lock)->rlock:        257132         258717           0.10         277.80      422555.50       21036166       78152644           0.08         408.12    28054421.32
                    --------------------
                    &(&rsv->lock)->rlock         154695          [<ffffffff812fa76a>] btrfs_block_rsv_check+0x3a/0x90
                    &(&rsv->lock)->rlock           8400          [<ffffffff812f2458>] block_rsv_use_bytes+0x38/0x80
                    &(&rsv->lock)->rlock          52340          [<ffffffff812f24d5>] block_rsv_add_bytes+0x35/0x80
                    &(&rsv->lock)->rlock          40973          [<ffffffff812f5bf1>] block_rsv_release_bytes+0x41/0x190
                    --------------------
                    &(&rsv->lock)->rlock             12          [<ffffffff812f5a54>] update_global_block_rsv+0x134/0x290
                    &(&rsv->lock)->rlock         155821          [<ffffffff812fa76a>] btrfs_block_rsv_check+0x3a/0x90
                    &(&rsv->lock)->rlock          41970          [<ffffffff812f24d5>] block_rsv_add_bytes+0x35/0x80
                    &(&rsv->lock)->rlock           8531          [<ffffffff812f2458>] block_rsv_use_bytes+0x38/0x80

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

   &(&fs_info->tree_mod_seq_lock)->rlock:        238371         238593           0.10         214.31      238457.69       14220276       20726897           0.08         287.62    11056451.73
   -------------------------------------
   &(&fs_info->tree_mod_seq_lock)->rlock          79287          [<ffffffff812e90e4>] btrfs_get_tree_mod_seq+0x44/0xc0
   &(&fs_info->tree_mod_seq_lock)->rlock         116048          [<ffffffff812e919f>] btrfs_put_tree_mod_seq+0x3f/0x180
   &(&fs_info->tree_mod_seq_lock)->rlock          43258          [<ffffffff8134de28>] btrfs_check_delayed_seq+0x38/0x80
   -------------------------------------
   &(&fs_info->tree_mod_seq_lock)->rlock         141162          [<ffffffff812e919f>] btrfs_put_tree_mod_seq+0x3f/0x180
   &(&fs_info->tree_mod_seq_lock)->rlock          58379          [<ffffffff812e90e4>] btrfs_get_tree_mod_seq+0x44/0xc0
   &(&fs_info->tree_mod_seq_lock)->rlock          39052          [<ffffffff8134de28>] btrfs_check_delayed_seq+0x38/0x80

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

        &(&fs_info->balance_lock)->rlock:        128841         129234           0.19         206.63       93826.58        5202347       18314581           0.10         291.61     5156755.74
        --------------------------------
        &(&fs_info->balance_lock)->rlock         129234          [<ffffffff812f8895>] btrfs_reduce_alloc_profile+0x45/0x130
        --------------------------------
        &(&fs_info->balance_lock)->rlock         129234          [<ffffffff812f8895>] btrfs_reduce_alloc_profile+0x45/0x130

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

   &(&fs_info->block_group_cache_lock)->:        116807         127509           0.10         290.79      137085.38        3350177       14093348           0.09         534.61     4614216.83
   -------------------------------------
   &(&fs_info->block_group_cache_lock)->         127509          [<ffffffff812f21c8>] block_group_cache_tree_search+0x28/0xd0
   -------------------------------------
   &(&fs_info->block_group_cache_lock)->         127509          [<ffffffff812f21c8>] block_group_cache_tree_search+0x28/0xd0

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

              &sb->s_type->i_mutex_key#1:         80997         111669           5.45   183610228.23 14455413170.81          87654       35124224           0.12   146994009.53 43435825285.72
              --------------------------
              &sb->s_type->i_mutex_key#1          34988          [<ffffffff8131e8c0>] btrfs_file_llseek+0x40/0x3b0
              &sb->s_type->i_mutex_key#1          76681          [<ffffffff8131ffb4>] btrfs_file_aio_write+0x74/0x4c0
              --------------------------
              &sb->s_type->i_mutex_key#1         109941          [<ffffffff8131ffb4>] btrfs_file_aio_write+0x74/0x4c0
              &sb->s_type->i_mutex_key#1           1728          [<ffffffff8131e8c0>] btrfs_file_llseek+0x40/0x3b0

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

        &(&root->root_times_lock)->rlock:        101078         101479           0.15         174.41      174463.62        7593863       34406443           0.10         296.58    10771134.35
        --------------------------------
        &(&root->root_times_lock)->rlock         101479          [<ffffffff813022f2>] btrfs_update_root_times+0x52/0x90
        --------------------------------
        &(&root->root_times_lock)->rlock         101479          [<ffffffff813022f2>] btrfs_update_root_times+0x52/0x90

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

                           btrfs-fs-01-W:         46176          46238           0.28         278.01       71272.18        1339562       25938949           0.08         309.18    21655827.77
                           btrfs-fs-01-R:         38067          38116           0.24         250.47       46381.06         873610        6128654           0.08         387.66     4725021.14
                           -------------
                             btrfs-fs-01          18829          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                             btrfs-fs-01          18034          [<ffffffff8133e83a>] btrfs_clear_lock_blocking_rw+0x6a/0x1a0
                             btrfs-fs-01           1008          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                             btrfs-fs-01           9477          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                           -------------
                             btrfs-fs-01            475          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                             btrfs-fs-01          11431          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                             btrfs-fs-01           3369          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                             btrfs-fs-01          24688          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0

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

                        rcu_node_level_1:         80096          81124           0.10         250.51      238767.40         437633        1185474           0.07         242.93      621532.95
                        ----------------
                        rcu_node_level_1          77098          [<ffffffff810c6cb1>] rcu_process_callbacks+0x391/0x530
                        rcu_node_level_1           3034          [<ffffffff810c54f7>] rcu_start_gp+0x157/0x310
                        rcu_node_level_1            983          [<ffffffff810c5928>] force_qs_rnp+0x68/0x190
                        rcu_node_level_1              9          [<ffffffff810c580c>] rcu_report_qs_rnp+0x15c/0x210
                        ----------------
                        rcu_node_level_1          70803          [<ffffffff810c6cb1>] rcu_process_callbacks+0x391/0x530
                        rcu_node_level_1           3125          [<ffffffff810c580c>] rcu_report_qs_rnp+0x15c/0x210
                        rcu_node_level_1           4942          [<ffffffff810c54f7>] rcu_start_gp+0x157/0x310
                        rcu_node_level_1           2254          [<ffffffff810c5928>] force_qs_rnp+0x68/0x190

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

                      &(&h->lock)->rlock:         49266          49627           0.20          47.60      156785.61         513767        1778550           0.14         288.93     3664699.80
                      ------------------
                      &(&h->lock)->rlock           9678          [<ffffffff81394bdc>] blk_queue_bio+0x20c/0x3b0
                      &(&h->lock)->rlock          14489          [<ffffffffa0003adf>] do_cciss_request+0x49f/0x5f0 [cciss]
                      &(&h->lock)->rlock          12833          [<ffffffffa0004cd2>] do_cciss_msix_intr+0x22/0x230 [cciss]
                      &(&h->lock)->rlock           8186          [<ffffffff81392a46>] blk_end_bidi_request+0x46/0x80
                      ------------------
                      &(&h->lock)->rlock          34782          [<ffffffffa0004cd2>] do_cciss_msix_intr+0x22/0x230 [cciss]
                      &(&h->lock)->rlock           3904          [<ffffffff81392a46>] blk_end_bidi_request+0x46/0x80
                      &(&h->lock)->rlock           1023          [<ffffffff813948d7>] blk_flush_plug_list+0x187/0x230
                      &(&h->lock)->rlock           1645          [<ffffffffa0003237>] cciss_softirq_done+0x1a7/0x2e0 [cciss]

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

   &(&fs_info->ordered_extent_lock)->rlo:         41449          41480           0.31         235.08       33782.76        4739278        7680117           0.08         347.69     3468796.12
   -------------------------------------
   &(&fs_info->ordered_extent_lock)->rlo          30159          [<ffffffff813242b3>] btrfs_remove_ordered_extent+0x83/0x180
   &(&fs_info->ordered_extent_lock)->rlo          10553          [<ffffffff81323b53>] __btrfs_add_ordered_extent+0x1c3/0x2e0
   &(&fs_info->ordered_extent_lock)->rlo            714          [<ffffffff81324be1>] btrfs_run_ordered_operations+0x51/0x220
   &(&fs_info->ordered_extent_lock)->rlo             54          [<ffffffff81324574>] btrfs_wait_ordered_extents+0xa4/0x210
   -------------------------------------
   &(&fs_info->ordered_extent_lock)->rlo          25025          [<ffffffff813242b3>] btrfs_remove_ordered_extent+0x83/0x180
   &(&fs_info->ordered_extent_lock)->rlo          15729          [<ffffffff81323b53>] __btrfs_add_ordered_extent+0x1c3/0x2e0
   &(&fs_info->ordered_extent_lock)->rlo            480          [<ffffffff81324be1>] btrfs_run_ordered_operations+0x51/0x220
   &(&fs_info->ordered_extent_lock)->rlo            246          [<ffffffff81324574>] btrfs_wait_ordered_extents+0xa4/0x210

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

                   &(&tree->lock)->rlock:         21178          21725           0.19         231.52       46190.83         967832      106357396           0.08       34622.39    72580443.22
                   ---------------------
                   &(&tree->lock)->rlock          16008          [<ffffffff8132699f>] __set_extent_bit+0x6f/0x4f0
                   &(&tree->lock)->rlock           5200          [<ffffffff81326eaa>] clear_extent_bit+0x8a/0x3e0
                   &(&tree->lock)->rlock            398          [<ffffffff81325e99>] find_delalloc_range+0x39/0x1d0
                   &(&tree->lock)->rlock            118          [<ffffffff81328439>] test_range_bit+0x39/0x180
                   ---------------------
                   &(&tree->lock)->rlock          11969          [<ffffffff8132699f>] __set_extent_bit+0x6f/0x4f0
                   &(&tree->lock)->rlock           9460          [<ffffffff81326eaa>] clear_extent_bit+0x8a/0x3e0
                   &(&tree->lock)->rlock            249          [<ffffffff81325e99>] find_delalloc_range+0x39/0x1d0
                   &(&tree->lock)->rlock             46          [<ffffffff81328439>] test_range_bit+0x39/0x180

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

                       btrfs-extent-02-W:          9607          11246           0.30         294.57       40750.74         278601       12693867           0.08         296.71     9081706.10
                       btrfs-extent-02-R:          9412           9854           0.28         109.32       32600.68         589969       13196914           0.08         284.71     8723113.57
                       -----------------
                         btrfs-extent-02           5442          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                         btrfs-extent-02           4772          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                         btrfs-extent-02           1808          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                         btrfs-extent-02           5843          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                       -----------------
                         btrfs-extent-02           8838          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                         btrfs-extent-02           3022          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                         btrfs-extent-02           3601          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                         btrfs-extent-02           2473          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140

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

                       btrfs-extent-01-W:         17147          17201           0.12         137.00       28240.73         964041       25070342           0.08         434.53    20302399.90
                       btrfs-extent-01-R:             0              0           0.00           0.00           0.00            447          12522           0.10           5.61        3123.67
                       -----------------
                         btrfs-extent-01           5574          [<ffffffff8133eb7f>] btrfs_try_tree_write_lock+0x4f/0xc0
                         btrfs-extent-01           6011          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                         btrfs-extent-01           5616          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                       -----------------
                         btrfs-extent-01          10975          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                         btrfs-extent-01           4193          [<ffffffff8133eb7f>] btrfs_try_tree_write_lock+0x4f/0xc0
                         btrfs-extent-01           2033          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280

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

                 &cur_trans->writer_wait:         16633          16633           0.25          51.72       48191.60         413603         415511           0.11         279.36     1050239.48
                 -----------------------
                 &cur_trans->writer_wait          16633          [<ffffffff8106e892>] __wake_up+0x32/0x70
                 -----------------------
                 &cur_trans->writer_wait          16630          [<ffffffff8106e892>] __wake_up+0x32/0x70
                 &cur_trans->writer_wait              3          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90

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

          &(&workers->order_lock)->rlock:         15940          16003           0.24          73.36       14072.07         563104        1327628           0.08         311.79      495003.15
          ------------------------------
          &(&workers->order_lock)->rlock           4188          [<ffffffff81336eac>] run_ordered_completions+0x4c/0x110
          &(&workers->order_lock)->rlock           5075          [<ffffffff8133771f>] btrfs_queue_worker+0x24f/0x330
          &(&workers->order_lock)->rlock           3495          [<ffffffff81336f36>] run_ordered_completions+0xd6/0x110
          &(&workers->order_lock)->rlock           3245          [<ffffffff81336eef>] run_ordered_completions+0x8f/0x110
          ------------------------------
          &(&workers->order_lock)->rlock           2196          [<ffffffff81336f36>] run_ordered_completions+0xd6/0x110
          &(&workers->order_lock)->rlock           6715          [<ffffffff81336eac>] run_ordered_completions+0x4c/0x110
          &(&workers->order_lock)->rlock           4704          [<ffffffff8133771f>] btrfs_queue_worker+0x24f/0x330
          &(&workers->order_lock)->rlock           2388          [<ffffffff81336eef>] run_ordered_completions+0x8f/0x110

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

                         btrfs-csum-00-W:         15741          15767           0.11         670.40       24691.94         847620      128830129           0.08        1512.50    32885314.07
                         btrfs-csum-00-R:             0              0           0.00           0.00           0.00              2           3447           0.10         421.48        1114.66
                         ---------------
                           btrfs-csum-00           7625          [<ffffffff8133eb7f>] btrfs_try_tree_write_lock+0x4f/0xc0
                           btrfs-csum-00           8128          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           btrfs-csum-00             14          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                         ---------------
                           btrfs-csum-00           2380          [<ffffffff8133eb7f>] btrfs_try_tree_write_lock+0x4f/0xc0
                           btrfs-csum-00          13343          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                           btrfs-csum-00             44          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280

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

                                &q->lock:          4351           4834           0.27          17.89        8785.71         641666         659406           0.10         230.64      716121.09
                                --------
                                &q->lock            901          [<ffffffff81099697>] generic_smp_call_function_single_interrupt+0x57/0x120
                                &q->lock           3933          [<ffffffff81098d68>] generic_exec_single+0x48/0xb0
                                --------
                                &q->lock           1690          [<ffffffff81098d68>] generic_exec_single+0x48/0xb0
                                &q->lock           3144          [<ffffffff81099697>] generic_smp_call_function_single_interrupt+0x57/0x120

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

               &sb->s_type->i_lock_key#1:          3981           4115           0.12          16.38        4042.90         666766       76376209           0.08         293.34     8889454.22
               -------------------------
               &sb->s_type->i_lock_key#1           1326          [<ffffffff8114f47e>] inode_add_bytes+0x2e/0xa0
               &sb->s_type->i_lock_key#1           1318          [<ffffffff8114f388>] inode_get_bytes+0x28/0x60
               &sb->s_type->i_lock_key#1            733          [<ffffffff8114f3ee>] inode_sub_bytes+0x2e/0x90
               &sb->s_type->i_lock_key#1            159          [<ffffffff811649a8>] igrab+0x28/0x70
               -------------------------
               &sb->s_type->i_lock_key#1           1495          [<ffffffff8114f3ee>] inode_sub_bytes+0x2e/0x90
               &sb->s_type->i_lock_key#1            155          [<ffffffff811649a8>] igrab+0x28/0x70
               &sb->s_type->i_lock_key#1           1146          [<ffffffff8114f47e>] inode_add_bytes+0x2e/0xa0
               &sb->s_type->i_lock_key#1           1016          [<ffffffff8114f388>] inode_get_bytes+0x28/0x60

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

                 &(&worker->lock)->rlock:          3549           3692           0.23          47.50        6847.13         417993        4899373           0.10         270.18     1624372.18
                 -----------------------
                 &(&worker->lock)->rlock           2653          [<ffffffff81337655>] btrfs_queue_worker+0x185/0x330
                 &(&worker->lock)->rlock            382          [<ffffffff813379b7>] worker_loop+0x1b7/0x5a0
                 &(&worker->lock)->rlock            589          [<ffffffff81337c9a>] worker_loop+0x49a/0x5a0
                 &(&worker->lock)->rlock             68          [<ffffffff8133791f>] worker_loop+0x11f/0x5a0
                 -----------------------
                 &(&worker->lock)->rlock            640          [<ffffffff813379b7>] worker_loop+0x1b7/0x5a0
                 &(&worker->lock)->rlock           2802          [<ffffffff81337655>] btrfs_queue_worker+0x185/0x330
                 &(&worker->lock)->rlock            111          [<ffffffff81337c9a>] worker_loop+0x49a/0x5a0
                 &(&worker->lock)->rlock            139          [<ffffffff8133791f>] worker_loop+0x11f/0x5a0

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

                        rcu_node_level_0:          3071           3225           0.30          18.82       10036.36          40092          76993           0.10          18.01       60399.81
                        ----------------
                        rcu_node_level_0           1984          [<ffffffff810c6c48>] rcu_process_callbacks+0x328/0x530
                        rcu_node_level_0            720          [<ffffffff810c54f7>] rcu_start_gp+0x157/0x310
                        rcu_node_level_0             45          [<ffffffff810c650f>] force_quiescent_state+0x18f/0x2f0
                        rcu_node_level_0            400          [<ffffffff810c570f>] rcu_report_qs_rnp+0x5f/0x210
                        ----------------
                        rcu_node_level_0           2649          [<ffffffff810c6c48>] rcu_process_callbacks+0x328/0x530
                        rcu_node_level_0            343          [<ffffffff810c570f>] rcu_report_qs_rnp+0x5f/0x210
                        rcu_node_level_0             58          [<ffffffff810c6468>] force_quiescent_state+0xe8/0x2f0
                        rcu_node_level_0             62          [<ffffffff810c650f>] force_quiescent_state+0x18f/0x2f0

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

                             &rq->lock/1:          3028           3028           0.35          65.23       17046.60          14795          33804           0.08          61.50       48974.46
                             -----------
                             &rq->lock/1           3019          [<ffffffff8107b4af>] load_balance+0x35f/0x820
                             &rq->lock/1              9          [<ffffffff8107b6b9>] load_balance+0x569/0x820
                             -----------
                             &rq->lock/1            755          [<ffffffff8169682e>] __schedule+0xbe/0x7c0
                             &rq->lock/1            506          [<ffffffff8107b6ac>] load_balance+0x55c/0x820
                             &rq->lock/1           1693          [<ffffffff8107b4af>] load_balance+0x35f/0x820
                             &rq->lock/1              4          [<ffffffff81078695>] active_load_balance_cpu_stop+0x45/0x280

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

                                   key#5:          3015           3016           0.25           6.39        2799.38         737540        3863226           0.08         290.99     1210324.36
                                   -----
                                   key#5           3016          [<ffffffff813ccae0>] __percpu_counter_add+0x50/0x80
                                   -----
                                   key#5           3016          [<ffffffff813ccae0>] __percpu_counter_add+0x50/0x80

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

                &(&workers->lock)->rlock:          2020           2265           0.23          76.27        9410.75          84263        4236166           0.11         221.64      933923.24
                ------------------------
                &(&workers->lock)->rlock           2155          [<ffffffff81337520>] btrfs_queue_worker+0x50/0x330
                &(&workers->lock)->rlock             54          [<ffffffff81337ba9>] worker_loop+0x3a9/0x5a0
                &(&workers->lock)->rlock             55          [<ffffffff81337761>] btrfs_queue_worker+0x291/0x330
                &(&workers->lock)->rlock              1          [<ffffffff81337a8e>] worker_loop+0x28e/0x5a0
                ------------------------
                &(&workers->lock)->rlock              1          [<ffffffff8133705c>] __btrfs_start_workers+0xec/0x1b0
                &(&workers->lock)->rlock             64          [<ffffffff81337ba9>] worker_loop+0x3a9/0x5a0
                &(&workers->lock)->rlock             45          [<ffffffff81337761>] btrfs_queue_worker+0x291/0x330
                &(&workers->lock)->rlock           2155          [<ffffffff81337520>] btrfs_queue_worker+0x50/0x330

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

         &(&cluster->refill_lock)->rlock:          2245           2245           0.39          14.14        4033.19         435979         608202           0.55         785.03     1003601.24
         -------------------------------
         &(&cluster->refill_lock)->rlock           2245          [<ffffffff812f90ef>] find_free_extent+0x2af/0xc70
         -------------------------------
         &(&cluster->refill_lock)->rlock           2245          [<ffffffff812f90ef>] find_free_extent+0x2af/0xc70

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

                 &(&n->list_lock)->rlock:          2143           2170           0.25          27.89        3155.73         601596        1572281           0.11          35.68      963504.19
                 -----------------------
                 &(&n->list_lock)->rlock            426          [<ffffffff8114114f>] get_partial_node.clone.42+0x4f/0x1f0
                 &(&n->list_lock)->rlock           1719          [<ffffffff8114035f>] unfreeze_partials+0x6f/0x1a0
                 &(&n->list_lock)->rlock             25          [<ffffffff81140618>] __slab_free+0xc8/0x330
                 -----------------------
                 &(&n->list_lock)->rlock           1605          [<ffffffff8114035f>] unfreeze_partials+0x6f/0x1a0
                 &(&n->list_lock)->rlock            546          [<ffffffff8114114f>] get_partial_node.clone.42+0x4f/0x1f0
                 &(&n->list_lock)->rlock             19          [<ffffffff81140618>] __slab_free+0xc8/0x330

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

            &(&tree->buffer_lock)->rlock:          2030           2063           0.25          21.73        2242.10         454087         858783           0.12         286.55      827265.32
            ----------------------------
            &(&tree->buffer_lock)->rlock           1181          [<ffffffff81325bf4>] release_extent_buffer.clone.30+0x54/0xe0
            &(&tree->buffer_lock)->rlock            882          [<ffffffff8132b561>] alloc_extent_buffer+0x301/0x480
            ----------------------------
            &(&tree->buffer_lock)->rlock            620          [<ffffffff81325bf4>] release_extent_buffer.clone.30+0x54/0xe0
            &(&tree->buffer_lock)->rlock           1443          [<ffffffff8132b561>] alloc_extent_buffer+0x301/0x480

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

                &(&cluster->lock)->rlock:          1579           1591           0.29          14.92        1264.08         446498        1244728           0.10         287.93      585623.61
                ------------------------
                &(&cluster->lock)->rlock            589          [<ffffffff81349a5c>] btrfs_alloc_from_cluster+0x3c/0x240
                &(&cluster->lock)->rlock            949          [<ffffffff812f8f6a>] find_free_extent+0x12a/0xc70
                &(&cluster->lock)->rlock             53          [<ffffffff813484ff>] __btrfs_add_free_space+0xff/0x400
                ------------------------
                &(&cluster->lock)->rlock            994          [<ffffffff812f8f6a>] find_free_extent+0x12a/0xc70
                &(&cluster->lock)->rlock            553          [<ffffffff81349a5c>] btrfs_alloc_from_cluster+0x3c/0x240
                &(&cluster->lock)->rlock             43          [<ffffffff813484ff>] __btrfs_add_free_space+0xff/0x400
                &(&cluster->lock)->rlock              1          [<ffffffff81349cda>] btrfs_find_space_cluster+0x7a/0x2c0

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

                       btrfs-extent-00-W:          1558           1558           0.12          19.44        2798.46        2039627       18216041           0.11         304.37    15957044.23
                       btrfs-extent-00-R:             0              0           0.00           0.00           0.00              5             36           0.12           0.89          18.75
                       -----------------
                         btrfs-extent-00           1550          [<ffffffff8133eb7f>] btrfs_try_tree_write_lock+0x4f/0xc0
                         btrfs-extent-00              8          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                       -----------------
                         btrfs-extent-00           1558          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0

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

               &(&zone->lru_lock)->rlock:          1359           1383           0.31          28.58        4217.58         551841        3083260           0.11         265.76     2572015.35
               -------------------------
               &(&zone->lru_lock)->rlock              4          [<ffffffff81106cf8>] release_pages+0x158/0x210
               &(&zone->lru_lock)->rlock           1375          [<ffffffff81106e5f>] pagevec_lru_move_fn+0xaf/0x120
               &(&zone->lru_lock)->rlock              2          [<ffffffff8110c875>] shrink_inactive_list+0xd5/0x3c0
               &(&zone->lru_lock)->rlock              2          [<ffffffff8110c9a3>] shrink_inactive_list+0x203/0x3c0
               -------------------------
               &(&zone->lru_lock)->rlock           1378          [<ffffffff81106e5f>] pagevec_lru_move_fn+0xaf/0x120
               &(&zone->lru_lock)->rlock              2          [<ffffffff8110cf9a>] shrink_lruvec+0x10a/0x460
               &(&zone->lru_lock)->rlock              2          [<ffffffff8110c875>] shrink_inactive_list+0xd5/0x3c0
               &(&zone->lru_lock)->rlock              1          [<ffffffff81106cf8>] release_pages+0x158/0x210

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

              &(&device->io_lock)->rlock:          1055           1083           0.10         174.55        1710.02         104037         613866           0.09        1466.79      160413.74
              --------------------------
              &(&device->io_lock)->rlock            359          [<ffffffff8132dd69>] run_scheduled_bios+0xb9/0x540
              &(&device->io_lock)->rlock            644          [<ffffffff8132e31f>] schedule_bio.clone.43+0x5f/0x120
              &(&device->io_lock)->rlock             80          [<ffffffff8132e07d>] run_scheduled_bios+0x3cd/0x540
              --------------------------
              &(&device->io_lock)->rlock            455          [<ffffffff8132e31f>] schedule_bio.clone.43+0x5f/0x120
              &(&device->io_lock)->rlock            609          [<ffffffff8132dd69>] run_scheduled_bios+0xb9/0x540
              &(&device->io_lock)->rlock             19          [<ffffffff8132e07d>] run_scheduled_bios+0x3cd/0x540

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

        &(&mapping->private_lock)->rlock:           551            552           0.25           2.27         458.08         455605         859636           0.10         236.93      395532.05
        --------------------------------
        &(&mapping->private_lock)->rlock              1          [<ffffffff8132d9bc>] try_release_extent_buffer+0x2c/0x100
        &(&mapping->private_lock)->rlock            158          [<ffffffff81325b31>] btrfs_release_extent_buffer_page.clone.36+0xd1/0x140
        &(&mapping->private_lock)->rlock            393          [<ffffffff8132b3be>] alloc_extent_buffer+0x15e/0x480
        --------------------------------
        &(&mapping->private_lock)->rlock            323          [<ffffffff8132b3be>] alloc_extent_buffer+0x15e/0x480
        &(&mapping->private_lock)->rlock            229          [<ffffffff81325b31>] btrfs_release_extent_buffer_page.clone.36+0xd1/0x140

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

             &fs_info->tree_mod_seq_wait:           485            502           0.26          52.76        1375.33        1910112        2008637           0.10         208.81      617668.95
             ---------------------------
             &fs_info->tree_mod_seq_wait             54          [<ffffffff81063531>] finish_wait+0x41/0x80
             &fs_info->tree_mod_seq_wait            118          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90
             &fs_info->tree_mod_seq_wait            330          [<ffffffff8106e892>] __wake_up+0x32/0x70
             ---------------------------
             &fs_info->tree_mod_seq_wait             52          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90
             &fs_info->tree_mod_seq_wait             18          [<ffffffff81063531>] finish_wait+0x41/0x80
             &fs_info->tree_mod_seq_wait            432          [<ffffffff8106e892>] __wake_up+0x32/0x70

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

                     &(&ei->lock)->rlock:           487            497           0.24           6.56         469.95         366876       93825291           0.10         481.45    12413500.21
                     -------------------
                     &(&ei->lock)->rlock            199          [<ffffffff812fb196>] btrfs_delalloc_release_metadata+0x46/0x160
                     &(&ei->lock)->rlock             78          [<ffffffff812fadf7>] btrfs_delalloc_reserve_metadata+0xa7/0x400
                     &(&ei->lock)->rlock            213          [<ffffffff812faf79>] btrfs_delalloc_reserve_metadata+0x229/0x400
                     &(&ei->lock)->rlock              4          [<ffffffff81310572>] btrfs_split_extent_hook+0x32/0x50
                     -------------------
                     &(&ei->lock)->rlock            130          [<ffffffff812fadf7>] btrfs_delalloc_reserve_metadata+0xa7/0x400
                     &(&ei->lock)->rlock            297          [<ffffffff812fb196>] btrfs_delalloc_release_metadata+0x46/0x160
                     &(&ei->lock)->rlock             68          [<ffffffff812faf79>] btrfs_delalloc_reserve_metadata+0x229/0x400
                     &(&ei->lock)->rlock              2          [<ffffffff813596cb>] btrfs_delayed_update_inode+0x46b/0x660

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

                           &tree->lock-W:           263            283           0.44          19.37         771.15         261659       15024159           0.12         287.13     9833115.53
                           &tree->lock-R:           149            154           0.38          25.71         447.67         508366       65436216           0.11         403.99    10066888.00
                           -------------
                             &tree->lock            134          [<ffffffff81322495>] unpin_extent_cache+0x35/0xc0
                             &tree->lock             81          [<ffffffff81316d18>] cow_file_range+0x288/0x4a0
                             &tree->lock             68          [<ffffffff8132048e>] btrfs_drop_extent_cache+0x8e/0x380
                             &tree->lock             73          [<ffffffff81310c3d>] get_extent_allocation_hint+0x3d/0xd0
                           -------------
                             &tree->lock            325          [<ffffffff81322495>] unpin_extent_cache+0x35/0xc0
                             &tree->lock             61          [<ffffffff8132048e>] btrfs_drop_extent_cache+0x8e/0x380
                             &tree->lock             14          [<ffffffff81313f3e>] btrfs_get_extent+0x7e/0xa10
                             &tree->lock             18          [<ffffffff81316d18>] cow_file_range+0x288/0x4a0

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

                   &(&zone->lock)->rlock:           385            385           0.32          11.57         638.93         265168        1532142           0.12         263.23     2256799.80
                   ---------------------
                   &(&zone->lock)->rlock            184          [<ffffffff81101871>] get_page_from_freelist+0x741/0x7b0
                   &(&zone->lock)->rlock            165          [<ffffffff81102c05>] __free_pages_ok+0xb5/0x4e0
                   &(&zone->lock)->rlock             35          [<ffffffff81101573>] get_page_from_freelist+0x443/0x7b0
                   &(&zone->lock)->rlock              1          [<ffffffff81102144>] free_pcppages_bulk+0x34/0x400
                   ---------------------
                   &(&zone->lock)->rlock            151          [<ffffffff81101573>] get_page_from_freelist+0x443/0x7b0
                   &(&zone->lock)->rlock            124          [<ffffffff81101871>] get_page_from_freelist+0x741/0x7b0
                   &(&zone->lock)->rlock            107          [<ffffffff81102c05>] __free_pages_ok+0xb5/0x4e0
                   &(&zone->lock)->rlock              3          [<ffffffff81102144>] free_pcppages_bulk+0x34/0x400

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

                                pci_lock:           250            251           0.37          12.36        1034.26           9028          22281           1.24          31.30       86328.12
                                --------
                                pci_lock            251          [<ffffffff813d2f82>] pci_bus_read_config_word+0x42/0x90
                                --------
                                pci_lock            251          [<ffffffff813d2f82>] pci_bus_read_config_word+0x42/0x90

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

               &(&ctl->tree_lock)->rlock:           156            156           0.38           4.70         277.74         439479      187414079           0.10         406.35    21250497.56
               -------------------------
               &(&ctl->tree_lock)->rlock            123          [<ffffffff81349bcf>] btrfs_alloc_from_cluster+0x1af/0x240
               &(&ctl->tree_lock)->rlock             32          [<ffffffff8134844d>] __btrfs_add_free_space+0x4d/0x400
               &(&ctl->tree_lock)->rlock              1          [<ffffffff813497ba>] btrfs_find_space_for_alloc+0x3a/0x1f0
               -------------------------
               &(&ctl->tree_lock)->rlock            124          [<ffffffff8134844d>] __btrfs_add_free_space+0x4d/0x400
               &(&ctl->tree_lock)->rlock             27          [<ffffffff81349bcf>] btrfs_alloc_from_cluster+0x1af/0x240
               &(&ctl->tree_lock)->rlock              5          [<ffffffff813497ba>] btrfs_find_space_for_alloc+0x3a/0x1f0

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

                   &(&base->lock)->rlock:           136            136           0.25           7.18         194.04          10618       11073137           0.10         257.66     5611697.87
                   ---------------------
                   &(&base->lock)->rlock             29          [<ffffffff8104e4a4>] run_timer_softirq+0x44/0x3f0
                   &(&base->lock)->rlock             80          [<ffffffff8104dafb>] lock_timer_base.clone.28+0x3b/0x70
                   &(&base->lock)->rlock             23          [<ffffffff8104e8fb>] add_timer_on+0x5b/0xf0
                   &(&base->lock)->rlock              4          [<ffffffff8104e659>] run_timer_softirq+0x1f9/0x3f0
                   ---------------------
                   &(&base->lock)->rlock             32          [<ffffffff8104e8fb>] add_timer_on+0x5b/0xf0
                   &(&base->lock)->rlock             81          [<ffffffff8104dafb>] lock_timer_base.clone.28+0x3b/0x70
                   &(&base->lock)->rlock             23          [<ffffffff8104e4a4>] run_timer_softirq+0x44/0x3f0

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

              &fs_info->transaction_wait:            98            108           0.90        1581.22       54432.14            283            332           0.10         425.59        1085.60
              --------------------------
              &fs_info->transaction_wait             53          [<ffffffff81063531>] finish_wait+0x41/0x80
              &fs_info->transaction_wait             55          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90
              --------------------------
              &fs_info->transaction_wait             36          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90
              &fs_info->transaction_wait             24          [<ffffffff81063531>] finish_wait+0x41/0x80
              &fs_info->transaction_wait             48          [<ffffffff8106e892>] __wake_up+0x32/0x70

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

                           btrfs-fs-00-W:            79             79           0.56          17.44         290.29        1636268       23278412           0.13         421.85    12981329.97
                           btrfs-fs-00-R:             1              1           4.85           4.85           4.85           1159           7827           0.11          55.16        5096.05
                           -------------
                             btrfs-fs-00             77          [<ffffffff8133eb7f>] btrfs_try_tree_write_lock+0x4f/0xc0
                             btrfs-fs-00              1          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                             btrfs-fs-00              2          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           -------------
                             btrfs-fs-00             79          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                             btrfs-fs-00              1          [<ffffffff8133eb7f>] btrfs_try_tree_write_lock+0x4f/0xc0

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

            &(&bp->indirect_lock)->rlock:            78             79           0.76           5.94         193.85           2117           4808           0.12          39.85        5796.68
            ----------------------------
            &(&bp->indirect_lock)->rlock             38          [<ffffffffa02f9a1e>] bnx2_reg_rd_ind+0x2e/0x60 [bnx2]
            &(&bp->indirect_lock)->rlock             41          [<ffffffffa02fc498>] bnx2_send_heart_beat+0x28/0x70 [bnx2]
            ----------------------------
            &(&bp->indirect_lock)->rlock             33          [<ffffffffa02fc498>] bnx2_send_heart_beat+0x28/0x70 [bnx2]
            &(&bp->indirect_lock)->rlock             46          [<ffffffffa02f9a1e>] bnx2_reg_rd_ind+0x2e/0x60 [bnx2]

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

                                   key#6:            64             64           0.26           6.29          53.16          16674         646469           0.10         222.85       81666.88
                                   -----
                                   key#6             64          [<ffffffff813ccae0>] __percpu_counter_add+0x50/0x80
                                   -----
                                   key#6             64          [<ffffffff813ccae0>] __percpu_counter_add+0x50/0x80

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

                        &input_pool.lock:            39             39           0.57           1.53          38.22           7159         185955           0.11         205.41       72966.73
                        ----------------
                        &input_pool.lock             39          [<ffffffff81465fa9>] mix_pool_bytes.clone.7+0x49/0xb0
                        ----------------
                        &input_pool.lock             39          [<ffffffff81465fa9>] mix_pool_bytes.clone.7+0x49/0xb0

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

                      inode_sb_list_lock:            31             31           0.30           1.85          31.38            172          24402           0.10         344.40        5902.51
                      ------------------
                      inode_sb_list_lock             17          [<ffffffff8116471d>] inode_sb_list_add+0x1d/0x70
                      inode_sb_list_lock             10          [<ffffffff811657bf>] evict+0x6f/0x1c0
                      inode_sb_list_lock              4          [<ffffffff8117470e>] sync_inodes_sb+0x21e/0x290
                      ------------------
                      inode_sb_list_lock             27          [<ffffffff8117470e>] sync_inodes_sb+0x21e/0x290
                      inode_sb_list_lock              3          [<ffffffff811657bf>] evict+0x6f/0x1c0
                      inode_sb_list_lock              1          [<ffffffff8116471d>] inode_sb_list_add+0x1d/0x70

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

                                   key#7:            19             19           0.55           2.47          18.20          11170         323879           0.10          24.00       49494.47
                                   -----
                                   key#7             19          [<ffffffff813ccae0>] __percpu_counter_add+0x50/0x80
                                   -----
                                   key#7             19          [<ffffffff813ccae0>] __percpu_counter_add+0x50/0x80

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

   &(&fs_info->delayed_iput_lock)->rlock:             9             13           0.36          12.36          41.97          26439          71884           0.10          31.76       56602.51
   -------------------------------------
   &(&fs_info->delayed_iput_lock)->rlock             13          [<ffffffff813153e2>] btrfs_run_delayed_iputs+0x42/0x130
   -------------------------------------
   &(&fs_info->delayed_iput_lock)->rlock             13          [<ffffffff813153e2>] btrfs_run_delayed_iputs+0x42/0x130

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

                    zone->wait_table + i:             8              8           0.56           2.11           7.90           4541          11062           0.11          28.41       17453.10
                    --------------------
                    zone->wait_table + i              1          [<ffffffff81063531>] finish_wait+0x41/0x80
                    zone->wait_table + i              7          [<ffffffff8106e892>] __wake_up+0x32/0x70
                    --------------------
                    zone->wait_table + i              1          [<ffffffff8106e892>] __wake_up+0x32/0x70
                    zone->wait_table + i              7          [<ffffffff81063531>] finish_wait+0x41/0x80

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

                   &fs_info->reloc_mutex:             8              8          22.69          40.58         246.46             34             34           0.68        6376.78       40477.33
                   ---------------------
                   &fs_info->reloc_mutex              8          [<ffffffff8130e5f9>] btrfs_record_root_in_trans+0x49/0x90
                   ---------------------
                   &fs_info->reloc_mutex              8          [<ffffffff8130e5f9>] btrfs_record_root_in_trans+0x49/0x90

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

               &(&dentry->d_lock)->rlock:             7              7           0.64           1.09           5.79          31620         517681           0.08         187.89       93935.39
               -------------------------
               &(&dentry->d_lock)->rlock              1          [<ffffffff81155ee6>] path_get+0x36/0x50
               &(&dentry->d_lock)->rlock              1          [<ffffffff81155f71>] unlazy_walk+0x71/0x250
               &(&dentry->d_lock)->rlock              1          [<ffffffff811567e9>] follow_managed+0x179/0x2f0
               &(&dentry->d_lock)->rlock              4          [<ffffffff811624b2>] dput+0x32/0x1d0
               -------------------------
               &(&dentry->d_lock)->rlock              4          [<ffffffff811624b2>] dput+0x32/0x1d0
               &(&dentry->d_lock)->rlock              2          [<ffffffff81155f71>] unlazy_walk+0x71/0x250
               &(&dentry->d_lock)->rlock              1          [<ffffffff811567e9>] follow_managed+0x179/0x2f0

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

                     &(&fs->lock)->rlock:             5              5           1.55           3.77          12.69           3307          13258           0.11          28.21       22643.62
                     -------------------
                     &(&fs->lock)->rlock              5          [<ffffffff811560a0>] unlazy_walk+0x1a0/0x250
                     -------------------
                     &(&fs->lock)->rlock              5          [<ffffffff811560a0>] unlazy_walk+0x1a0/0x250

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

                         tasklist_lock-W:             2              2           1.48           5.55           7.03            272           1002           0.13          21.63        2608.30
                         tasklist_lock-R:             1              1           0.79           0.79           0.79            160           1369           0.14          50.57        2186.14
                         ---------------
                           tasklist_lock              1          [<ffffffff81057027>] do_prlimit+0x57/0x1f0
                           tasklist_lock              1          [<ffffffff81041f7a>] release_task+0x7a/0x4e0
                           tasklist_lock              1          [<ffffffff81043813>] do_exit+0x203/0x940
                         ---------------
                           tasklist_lock              1          [<ffffffff8103c1db>] copy_process+0xbeb/0x13a0
                           tasklist_lock              2          [<ffffffff81041f7a>] release_task+0x7a/0x4e0

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

          &(&mm->page_table_lock)->rlock:             2              2           4.67           9.68          14.34            276          55286           0.10         204.92       21179.59
          ------------------------------
          &(&mm->page_table_lock)->rlock              2          [<ffffffff8111e2cb>] handle_pte_fault+0xfb/0x8c0
          ------------------------------
          &(&mm->page_table_lock)->rlock              2          [<ffffffff8111e2cb>] handle_pte_fault+0xfb/0x8c0

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

             &(&sighand->siglock)->rlock:             1              1           3.75           3.75           3.75            337           1516           0.09          18.11        1955.71
             ---------------------------
             &(&sighand->siglock)->rlock              1          [<ffffffff81053688>] exit_signals+0x88/0x150
             ---------------------------
             &(&sighand->siglock)->rlock              1          [<ffffffff81041fda>] release_task+0xda/0x4e0

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

                    &irq_desc_lock_class:             1              1           3.09           3.09           3.09           1122         675232           0.10         276.24      548878.47
                    --------------------
                    &irq_desc_lock_class              1          [<ffffffff810c3a62>] irq_affinity_hint_proc_show+0x42/0x90
                    --------------------
                    &irq_desc_lock_class              1          [<ffffffff810c12ae>] handle_edge_irq+0x1e/0x110

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

                             &pipe->wait:             1              1           1.57           1.57           1.57            196           5186           0.11          15.07         877.80
                             -----------
                             &pipe->wait              1          [<ffffffff810636b1>] remove_wait_queue+0x21/0x70
                             -----------
                             &pipe->wait              1          [<ffffffff8106e7f7>] __wake_up_sync_key+0x37/0x80

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

              &(&newf->file_lock)->rlock:             1              1           1.33           1.33           1.33           3295          99448           0.11          46.55       20651.61
              --------------------------
              &(&newf->file_lock)->rlock              1          [<ffffffff81148747>] fd_install+0x47/0x80
              --------------------------
              &(&newf->file_lock)->rlock              1          [<ffffffff81167f0b>] alloc_fd+0x3b/0x130

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

         &(&futex_queues[i].lock)->rlock:             1              1           4.83           4.83           4.83            295            621           0.13          41.60        1871.35
         -------------------------------
         &(&futex_queues[i].lock)->rlock              1          [<ffffffff81094d69>] futex_wait_setup+0x69/0x100
         -------------------------------
         &(&futex_queues[i].lock)->rlock              1          [<ffffffff81096341>] futex_requeue+0x451/0x8a0

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

                         inode_hash_lock:             0              0           0.00           0.00           0.00             92          32679           0.11           8.16       13775.59
                             sysfs_mutex:             0              0           0.00           0.00           0.00             16         247485           0.15         218.20       54348.92
                                 sb_lock:             0              0           0.00           0.00           0.00             51           3202           0.11          56.45        1397.25
                                pgd_lock:             0              0           0.00           0.00           0.00             30             46           0.17           3.71          51.90
                     file_systems_lock-R:             0              0           0.00           0.00           0.00              1              3          17.72          19.05          55.35
              &rcu_sched_state.onofflock:             0              0           0.00           0.00           0.00           4879           7683           1.67         259.57       74051.57
                &(&stopper->lock)->rlock:             0              0           0.00           0.00           0.00            270            438           0.12          21.59        1118.59
                              xtime_lock:             0              0           0.00           0.00           0.00              0         123976           1.86         258.63     1564066.62
                              &x->wait#2:             0              0           0.00           0.00           0.00             11             22           0.13           0.91          10.37
                        &namespace_sem-R:             0              0           0.00           0.00           0.00              1              9           0.18          69.65         263.88
              &sb->s_type->i_mutex_key#4:             0              0           0.00           0.00           0.00              8             22           2.22           8.65         123.21
                   &(&gcwq->lock)->rlock:             0              0           0.00           0.00           0.00            283         182951           0.17         227.92      859052.85
                                &x->wait:             0              0           0.00           0.00           0.00            120            176           0.13          35.19         498.16
                     kthread_create_lock:             0              0           0.00           0.00           0.00             90            135           0.11           2.32          70.42
                           watchdog_lock:             0              0           0.00           0.00           0.00           2480           2480           3.63          39.18       20745.26
                  random_write_wait.lock:             0              0           0.00           0.00           0.00             11            208           0.11           1.10          33.48
                &(&p->alloc_lock)->rlock:             0              0           0.00           0.00           0.00            265           1449           0.08          18.11        2021.21
                             pidmap_lock:             0              0           0.00           0.00           0.00            265            503           0.32           8.36         544.45
                             &p->pi_lock:             0              0           0.00           0.00           0.00       64515430      119249871           0.10         309.49   254759519.27
                           vmlist_lock-R:             0              0           0.00           0.00           0.00              0              2           4.12          14.53          18.65
                      call_function.lock:             0              0           0.00           0.00           0.00            123            124           0.33           9.64         173.88
                               balancing:             0              0           0.00           0.00           0.00              0        1510935           0.07         251.87     1563200.21
                            freezer_lock:             0              0           0.00           0.00           0.00              1              1           0.62           0.62           0.62
                                bdi_lock:             0              0           0.00           0.00           0.00              0              7          15.07          45.13         169.20
                         pci_config_lock:             0              0           0.00           0.00           0.00           9028          22281           1.02          15.16       37291.30
                                  &timer:             0              0           0.00           0.00           0.00              0        2821169           0.07         220.08      302377.04
                            sb_writers-R:             0              0           0.00           0.00           0.00              0             22           3.65          10.77         159.79
                                     key:             0              0           0.00           0.00           0.00             21            428           0.10           2.39          59.15
                                events-R:             0              0           0.00           0.00           0.00              0          59674           2.37         265.69      507300.43
                         &cpu_base->lock:             0              0           0.00           0.00           0.00            341       11908512           0.11         282.20    62427113.68
               &sb->s_type->i_lock_key#9:             0              0           0.00           0.00           0.00              8             63           0.09           1.85          23.66
                               bdev_lock:             0              0           0.00           0.00           0.00              0              2           4.66          19.71          24.36
                &type->i_mutex_dir_key#2:             0              0           0.00           0.00           0.00             27            380           0.66         108.87        6044.86
                               tty_mutex:             0              0           0.00           0.00           0.00              0              6           0.68           3.85           9.55
                              &tbl->lock:             0              0           0.00           0.00           0.00              0           1500           0.11          95.07        1474.52
                          files_lglock-R:             0              0           0.00           0.00           0.00              0          66002           0.08          10.41        9679.68
                  &mapping->i_mmap_mutex:             0              0           0.00           0.00           0.00            207           1124           0.15           6.58         562.46
                   &fsnotify_mark_srcu-R:             0              0           0.00           0.00           0.00              0       30669336           0.07         279.87     2372586.25
                &rcu_sched_state.fqslock:             0              0           0.00           0.00           0.00              0           7968           0.09          60.72       83790.83
                     &sig->group_rwsem-R:             0              0           0.00           0.00           0.00            243            445           0.18          29.36        1377.96
                             sysctl_lock:             0              0           0.00           0.00           0.00              2             44           0.11           0.62           8.33
                          &port_lock_key:             0              0           0.00           0.00           0.00              3             13           0.12          21.16          78.13
                      nl_table_wait.lock:             0              0           0.00           0.00           0.00              0            103           0.11           2.58          27.13
                         nl_table_lock-R:             0              0           0.00           0.00           0.00              0            103           0.11           1.84          30.71
               &sb->s_type->i_lock_key#8:             0              0           0.00           0.00           0.00              2            168           0.08           1.56          41.76
                        proc_subdir_lock:             0              0           0.00           0.00           0.00             22          10549           0.14          26.31        8936.18
               &sb->s_type->i_lock_key#4:             0              0           0.00           0.00           0.00              2         122488           0.08           2.36       19177.91
               &sb->s_type->i_lock_key#3:             0              0           0.00           0.00           0.00            112            234           0.10           1.50          76.36
        &(kretprobe_table_locks[i].lock):             0              0           0.00           0.00           0.00            234            248           0.15           5.62         222.96
                            &port->mutex:             0              0           0.00           0.00           0.00              0              3           0.40           2.14           3.91
                   &(&uhci->lock)->rlock:             0              0           0.00           0.00           0.00              0           4959           6.89          28.27       50517.35
         &(&ent->pde_unload_lock)->rlock:             0              0           0.00           0.00           0.00            339          28556           0.10           1.25        3607.28
                           &ndev->lock-R:             0              0           0.00           0.00           0.00              0             54           0.13           1.18          26.45
                 &(&mc->mca_lock)->rlock:             0              0           0.00           0.00           0.00              0             18           0.26           0.38           5.39
                      rcu_read_lock_bh-R:             0              0           0.00           0.00           0.00              0            286           0.08           6.65         205.46
                    addrconf_verify_lock:             0              0           0.00           0.00           0.00              0             18           2.35           3.93          54.47
                             &vha->timer:             0              0           0.00           0.00           0.00              0          22281           1.70         259.19      173613.62
                               cdev_lock:             0              0           0.00           0.00           0.00              3              5           0.32           1.00           3.72
                           big_tty_mutex:             0              0           0.00           0.00           0.00              0              8           0.11           5.97          17.91
                     &tty->termios_mutex:             0              0           0.00           0.00           0.00              1              1           0.69           0.69           0.69
                        &tty->write_wait:             0              0           0.00           0.00           0.00              2              7           0.12           0.61           1.73
                          tty_files_lock:             0              0           0.00           0.00           0.00              0              8           0.11           0.40           1.89
                            &ld->wq_idle:             0              0           0.00           0.00           0.00              2              2           0.30           0.77           1.07
                   &(&port->lock)->rlock:             0              0           0.00           0.00           0.00              0              4           0.13           0.32           0.85
                      &(&i->lock)->rlock:             0              0           0.00           0.00           0.00              0              4          16.18          24.66          83.62
                  &sig->cred_guard_mutex:             0              0           0.00           0.00           0.00             11             11         163.05       20249.32       36368.09
                         &mm->mmap_sem-W:             0              0           0.00           0.00           0.00             32          45944           0.12         808.69       90865.03
                         &mm->mmap_sem-R:             0              0           0.00           0.00           0.00            202          29561           0.14       10745.34       67482.03
                        &anon_vma->mutex:             0              0           0.00           0.00           0.00            428          91633           0.15          24.36       17300.83
                             rename_lock:             0              0           0.00           0.00           0.00              6             83           0.33           3.72          96.87
                         &mm->mmap_sem/1:             0              0           0.00           0.00           0.00              0             10          36.49         807.61        2853.24
        &(&mm->page_table_lock)->rlock/1:             0              0           0.00           0.00           0.00              1            247           0.14         204.69        1884.03
                 &type->s_umount_key#1-R:             0              0           0.00           0.00           0.00              3              6           0.15           1.40           3.83
                  &type->i_mutex_dir_key:             0              0           0.00           0.00           0.00             22          10425           3.01          42.53       48443.48
                         dcache_lru_lock:             0              0           0.00           0.00           0.00              5           1031           0.13           1.91         493.21
              &sb->s_type->i_mutex_key#6:             0              0           0.00           0.00           0.00             13            127           1.99          56.71        1410.19
             &(&dentry->d_lock)->rlock/1:             0              0           0.00           0.00           0.00           3084           8041           0.11          21.75        3422.71
                                &p->lock:             0              0           0.00           0.00           0.00              0           6840           0.21         485.78      105776.05
                 &type->s_umount_key#1-R:             0              0           0.00           0.00           0.00              3              6           0.13           0.65           2.87
                 &type->s_umount_key#1-R:             0              0           0.00           0.00           0.00              3              6           0.13           1.07           4.39
              &sb->s_type->i_mutex_key#7:             0              0           0.00           0.00           0.00             32            221           0.19          16.65         187.82
            &sb->s_type->i_mutex_key#7/1:             0              0           0.00           0.00           0.00              2              2           0.85           2.65           3.50
                          sb_writers#3-R:             0              0           0.00           0.00           0.00              0              2           3.64           7.46          11.10
                 &tty->atomic_write_lock:             0              0           0.00           0.00           0.00              0              1          16.20          16.20          16.20
                         unix_table_lock:             0              0           0.00           0.00           0.00              9             42           0.11           1.05          18.73
                            &u->readlock:             0              0           0.00           0.00           0.00              9              9           5.77          20.40         130.85
                  sysfs_open_dirent_lock:             0              0           0.00           0.00           0.00             13          73452           0.11           0.88        8662.76
                          &buffer->mutex:             0              0           0.00           0.00           0.00              0          24484           1.01         221.84       61809.31
                               swap_lock:             0              0           0.00           0.00           0.00              0              2           0.68           0.69           1.37
                               uts_sem-R:             0              0           0.00           0.00           0.00              0              2           0.61           0.90           1.51
                               &wq->wait:             0              0           0.00           0.00           0.00             17             27           0.12          15.35          95.74
                          sb_writers#4-R:             0              0           0.00           0.00           0.00              0              9           0.38           5.17          17.20
                &(&wb->list_lock)->rlock:             0              0           0.00           0.00           0.00           2569           7597           0.11         172.11       20308.99
                    &(&f->f_lock)->rlock:             0              0           0.00           0.00           0.00              1              3           0.61           1.27           2.74
                      &(&u->lock)->rlock:             0              0           0.00           0.00           0.00             10             42           0.12           3.90          60.90
      &af_unix_sk_receive_queue_lock_key:             0              0           0.00           0.00           0.00             19             54           0.11           6.45          23.36
                           &u->peer_wait:             0              0           0.00           0.00           0.00             11             27           0.11           0.81           8.06
                  &(&ioc->lock)->rlock/1:             0              0           0.00           0.00           0.00              5             11           0.14           0.54           4.36
                  &(&ioc->lock)->rlock#2:             0              0           0.00           0.00           0.00              0             11           0.11           0.29           1.84
                          &hcd->rh_timer:             0              0           0.00           0.00           0.00              0           4959           7.48         269.18       69217.09
                   random_read_wait.lock:             0              0           0.00           0.00           0.00            773           6256           0.11           7.63        3136.71
                            init_fs.lock:             0              0           0.00           0.00           0.00             42             82           0.12          57.86         105.82
                           binfmt_lock-R:             0              0           0.00           0.00           0.00              7             24           0.13           1.05           9.35
                            events_nrt-R:             0              0           0.00           0.00           0.00              0            124        1188.83       19657.54      180254.03
                        &ei->xattr_sem-R:             0              0           0.00           0.00           0.00              8             13           0.17           0.72           5.26
                         &watchdog_timer:             0              0           0.00           0.00           0.00              0           2480           4.29          44.40       24826.36
                                   key#2:             0              0           0.00           0.00           0.00              2              2           0.81           2.01           2.81
                    &(&u->lock)->rlock/1:             0              0           0.00           0.00           0.00              5              6           0.09           1.20           1.70
                          sb_writers#7-R:             0              0           0.00           0.00           0.00              0            357           4.03         348.32        3829.61
                 &type->s_umount_key#1-R:             0              0           0.00           0.00           0.00              3              6           0.15           0.81           3.74
              &type->i_mutex_dir_key#3/1:             0              0           0.00           0.00           0.00              0              3          11.16          17.11          40.10
              &sb->s_type->i_mutex_key#9:             0              0           0.00           0.00           0.00              6              9           1.32           6.04          32.23
                       &tty->output_lock:             0              0           0.00           0.00           0.00              0              2           1.74           5.75           7.49
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              3             13           3.45         968.88        2400.07
               &s->s_dquot.dqonoff_mutex:             0              0           0.00           0.00           0.00              2              4           0.17           3.50           6.34
              &sb->s_type->i_mutex_key#1:             0              0           0.00           0.00           0.00             16            354           3.69         346.84        3147.12
   &(&transaction->t_handle_lock)->rlock:             0              0           0.00           0.00           0.00             17            766           0.11           7.33         248.96
                              jbd_handle:             0              0           0.00           0.00           0.00              0            380           1.98         224.33        2496.49
                     &sbi->s_orphan_lock:             0              0           0.00           0.00           0.00              5              6           2.20          12.47          31.78
         &(&journal->j_list_lock)->rlock:             0              0           0.00           0.00           0.00             19            640           0.13          19.23         310.43
       &(&journal->j_revoke_lock)->rlock:             0              0           0.00           0.00           0.00              3              8           0.25           0.62           2.94
                &journal->j_wait_updates:             0              0           0.00           0.00           0.00             16            380           0.11           6.02          65.37
                     &ei->truncate_mutex:             0              0           0.00           0.00           0.00              6              9           0.78         145.65         181.69
           &(&bgl->locks[i].lock)->rlock:             0              0           0.00           0.00           0.00              7             12           0.13           0.70           4.07
         &(&sbi->s_next_gen_lock)->rlock:             0              0           0.00           0.00           0.00              3              3           0.28           0.54           1.14
                          file_lock_lock:             0              0           0.00           0.00           0.00              3              9           0.57           1.86          11.00
       &(&sbi->s_rsv_window_lock)->rlock:             0              0           0.00           0.00           0.00              0              2           0.91           1.15           2.06
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              3              6           0.13           0.81           3.11
                    &(&ifa->lock)->rlock:             0              0           0.00           0.00           0.00              0             36           0.13           0.48           8.09
                         &tb->tb6_lock-W:             0              0           0.00           0.00           0.00              0            151           0.38         110.43        1284.11
                         &tb->tb6_lock-R:             0              0           0.00           0.00           0.00              0             18           1.76           3.27          46.76
                      fib6_walker_lock-W:             0              0           0.00           0.00           0.00              0            164           0.11           1.64          42.07
                      fib6_walker_lock-R:             0              0           0.00           0.00           0.00              0             30           0.13           2.15          12.34
                           slock-AF_INET:             0              0           0.00           0.00           0.00              0             12           0.14           1.02           4.83
                           clock-AF_INET:             0              0           0.00           0.00           0.00              0             12           0.12           0.82           3.72
          &(&table->hash[i].lock)->rlock:             0              0           0.00           0.00           0.00              0            143           0.18           0.78          56.47
                        rt_uncached_lock:             0              0           0.00           0.00           0.00              0            163           0.15           0.86          57.73
       &(&futex_queues[i].lock)->rlock/1:             0              0           0.00           0.00           0.00              5              6           0.09           0.28           0.90
                     edac_pci_ctls_mutex:             0              0           0.00           0.00           0.00            283           1188           1.25          40.28        6043.46
                             fasync_lock:             0              0           0.00           0.00           0.00              0              2           0.50           0.56           1.06
                            s_active#4-R:             0              0           0.00           0.00           0.00              0          11904           0.57          50.11        8983.99
                            s_active#4-R:             0              0           0.00           0.00           0.00              0          23808           0.53         219.65       19637.43
                            s_active#4-R:             0              0           0.00           0.00           0.00              0          11656           0.30          27.13        7876.89
                &journal->j_commit_timer:             0              0           0.00           0.00           0.00              0             11           0.08          18.84          60.87
     &journal->j_wait_transaction_locked:             0              0           0.00           0.00           0.00              2              6           0.24           0.64           2.52
                              &x->wait#1:             0              0           0.00           0.00           0.00              5              9           0.34           8.76          23.78
                              rtnl_mutex:             0              0           0.00           0.00           0.00              2             12           0.75           6.63          36.97
                          tty_ldisc_lock:             0              0           0.00           0.00           0.00              2              2           0.41           0.69           1.09
                 &dev->mode_config.mutex:             0              0           0.00           0.00           0.00              0            124        1186.84       19654.70      179683.38
             &dev->mode_config.idr_mutex:             0              0           0.00           0.00           0.00              0            124           0.38           7.99         236.16
                         rcu_read_lock-R:             0              0           0.00           0.00           0.00              0      901044106           0.07        4501.12   249059251.40
                 &(&bp->phy_lock)->rlock:             0              0           0.00           0.00           0.00             32           1185           0.26          56.45        5845.82
                             &ipmi_timer:             0              0           0.00           0.00           0.00              0           1238           1.76          27.12        7544.76
          &(&dev->tx_global_lock)->rlock:             0              0           0.00           0.00           0.00              0            248           3.29          26.44        2873.96
                           _xmit_ETHER#2:             0              0           0.00           0.00           0.00              0           1984           0.12           1.36         547.15
                 &(&list->lock)->rlock#2:             0              0           0.00           0.00           0.00              0           1984           0.10           6.15         829.96
                              &n->lock-W:             0              0           0.00           0.00           0.00              0            241           0.13           2.95         192.67
                              &n->lock-R:             0              0           0.00           0.00           0.00              0             37           0.20           4.13          22.94
                    &(&pci->work)->timer:             0              0           0.00           0.00           0.00              0           1188           4.69         200.38       17125.51
                           edac-poller-R:             0              0           0.00           0.00           0.00              0           1188           2.39          59.40        9683.83
                   (&(&pci->work)->work):             0              0           0.00           0.00           0.00              0           1188           2.03          51.81        8315.22
      &(&intf->waiting_msgs_lock)->rlock:             0              0           0.00           0.00           0.00              0           1238           0.13           1.72         468.26
                       &tty->ldisc_mutex:             0              0           0.00           0.00           0.00              0              2           0.36           0.41           0.77
               &(&intf->seq_lock)->rlock:             0              0           0.00           0.00           0.00              0           1238           0.28           2.02         842.49
                              &bp->timer:             0              0           0.00           0.00           0.00              0           1238           3.18          26.53       10158.36
                            s_active#6-R:             0              0           0.00           0.00           0.00              0            784           0.34           5.38         605.77
                            s_active#6-R:             0              0           0.00           0.00           0.00              0            408           0.42          61.12         331.05
                            s_active#6-R:             0              0           0.00           0.00           0.00              0            408           0.65           4.11         325.73
                 &(&list->lock)->rlock#4:             0              0           0.00           0.00           0.00              0             37           0.10           0.94           8.18
                          icmp6_dst_lock:             0              0           0.00           0.00           0.00              0             41           0.18           2.13          44.82
                 &(&bdi->wb_lock)->rlock:             0              0           0.00           0.00           0.00             50            499           0.10          24.52         495.84
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              3             13           0.15         180.05         668.82
               &journal->j_wait_logspace:             0              0           0.00           0.00           0.00              2              6           0.25           0.84           3.01
          &(&(&n->ha_lock)->lock)->rlock:             0              0           0.00           0.00           0.00              0             14           0.14           0.24           2.17
                 mm/page-writeback.c:144:             0              0           0.00           0.00           0.00              0            406           3.77          33.17        5439.48
                    &dev->watchdog_timer:             0              0           0.00           0.00           0.00              0            248           3.57          31.41        3235.94
                               &pl->lock:             0              0           0.00           0.00           0.00             98            314           0.51          63.92        2025.03
   &(&dev->mode_config.output_poll_work):             0              0           0.00           0.00           0.00              0            124           2.26          54.84        1591.54
   (&(&dev->mode_config.output_poll_work:             0              0           0.00           0.00           0.00              0            124        1188.52       19656.87      180080.70
                         (&(work)->work):             0              0           0.00           0.00           0.00              0          59510           1.75         263.52      469270.49
                 &(&tbl->gc_work)->timer:             0              0           0.00           0.00           0.00              0            164           3.45          66.57        2180.05
                (&(&tbl->gc_work)->work):             0              0           0.00           0.00           0.00              0            164           4.29         139.34        1953.74
                    &in_dev->mr_gq_timer:             0              0           0.00           0.00           0.00              0             20           0.87           4.23          46.53
                &net->ipv6.ip6_fib_timer:             0              0           0.00           0.00           0.00              0             41          13.44         160.10        1800.96
                            fib6_gc_lock:             0              0           0.00           0.00           0.00              0             41          11.94         154.81        1690.06
                          &(work)->timer:             0              0           0.00           0.00           0.00              0          59510           0.67         231.93      733504.41
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              6             12           0.13           2.26           9.07
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              3              6           0.16           0.93           3.37
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00             12             24           0.13           0.86          10.66
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              3              6           0.13           0.84           3.88
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              3              6           0.12           0.94           3.87
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              3              6           0.13           0.91           3.99
                 &type->s_umount_key#3-R:             0              0           0.00           0.00           0.00              3              6           0.13           0.91           4.01
                 &type->s_umount_key#3-R:             0              0           0.00           0.00           0.00              3              6           0.11           0.90           4.15
                              &x->wait#2:             0              0           0.00           0.00           0.00              7             12           0.14           8.55          26.91
                 &type->s_umount_key#3-R:             0              0           0.00           0.00           0.00              3              6           0.15           0.82           3.38
                                   key#1:             0              0           0.00           0.00           0.00              0              1           0.26           0.26           0.26
                                       t:             0              0           0.00           0.00           0.00              0            192           2.49          32.51        2216.03
                        &f->secret_timer:             0              0           0.00           0.00           0.00              0              4          15.79          35.86         114.60
                                &f->lock:             0              0           0.00           0.00           0.00              0              4          13.01          33.17         103.95
                          &fc->rnd_timer:             0              0           0.00           0.00           0.00              0              2          14.16          17.09          31.25
                &type->i_mutex_dir_key#3:             0              0           0.00           0.00           0.00              6             12           0.20        7992.17        8881.31
                           clock-AF_UNIX:             0              0           0.00           0.00           0.00              2             18           0.11           0.58           4.89
                 &journal->j_wait_commit:             0              0           0.00           0.00           0.00              4             14           0.12           5.86          12.01
            &journal->j_wait_done_commit:             0              0           0.00           0.00           0.00              6             15           0.11           5.47           9.47
          &fs_devices->device_list_mutex:             0              0           0.00           0.00           0.00             22             32           0.53        7055.96        9768.86
                        &vfsmount_lock-R:             0              0           0.00           0.00           0.00              0         178109           0.08          74.19       95698.10
        &(&journal->j_state_lock)->rlock:             0              0           0.00           0.00           0.00             25            848           0.11          22.67         605.50
               &sb->s_type->i_lock_key#1:             0              0           0.00           0.00           0.00           1123           1241           0.08          56.67         540.88
                   &fs_info->chunk_mutex:             0              0           0.00           0.00           0.00             11            235           9.39         615.25       31730.85
                              &state->wq:             0              0           0.00           0.00           0.00        3922825       11927329           0.11         284.52     1573481.93
                        btrfs-chunk-00-W:             0              0           0.00           0.00           0.00             28           1178           0.11           2.77         315.40
                        btrfs-chunk-00-R:             0              0           0.00           0.00           0.00             10            464           0.14          42.40         226.39
     &(&fs_info->free_chunk_lock)->rlock:             0              0           0.00           0.00           0.00         692627         698998           0.10         267.23      773970.01
                         btrfs-root-00-W:             0              0           0.00           0.00           0.00              0            146           0.15           2.79          49.57
                         btrfs-root-00-R:             0              0           0.00           0.00           0.00             13            120           0.10           0.97          30.36
                          btrfs-dev-00-W:             0              0           0.00           0.00           0.00              9            694           0.11           2.31         129.93
                          btrfs-dev-00-R:             0              0           0.00           0.00           0.00             47           4096           0.11           9.67        3105.82
                    &found->groups_sem-W:             0              0           0.00           0.00           0.00              6            232           0.11           1.14          88.21
                    &found->groups_sem-R:             0              0           0.00           0.00           0.00         436009        4347940           0.10       23538.27    55441194.46
                        btrfs-chunk-01-W:             0              0           0.00           0.00           0.00              3           1694           0.14           4.33        1248.62
                        btrfs-chunk-01-R:             0              0           0.00           0.00           0.00             11           3012           0.10          49.35        1775.74
                  &(&cache->lock)->rlock:             0              0           0.00           0.00           0.00             27             82           0.11           2.06          24.86
                 &fs_info->cleaner_mutex:             0              0           0.00           0.00           0.00              0             13           2.57          42.95          84.98
            &(&(&tk->lock)->lock)->rlock:             0              0           0.00           0.00           0.00              0         123976           1.21         256.49     1205635.53
                       &wb->wakeup_timer:             0              0           0.00           0.00           0.00              0             10           7.31          28.11         163.44
                &(&cache->lock)->rlock#2:             0              0           0.00           0.00           0.00        1239342        9403047           0.10         336.93     2269958.62
             &fs_info->extent_commit_sem:             0              0           0.00           0.00           0.00             12             26           0.24           3.73          46.32
                        &head_ref->mutex:             0              0           0.00           0.00           0.00              0        6667583           0.09      565197.28   176222225.15
       &(&cur_trans->commit_lock)->rlock:             0              0           0.00           0.00           0.00             13             13           0.23           1.06           5.97
      &fs_info->transaction_blocked_wait:             0              0           0.00           0.00           0.00             12             13           0.33           3.84          12.31
      &fs_info->ordered_operations_mutex:             0              0           0.00           0.00           0.00            213         199021           0.35         235.47      209935.88
                         sb_internal#3-R:             0              0           0.00           0.00           0.00              0       38212883           1.57   219738284.18 14628382815.59
                    &fs_info->scrub_lock:             0              0           0.00           0.00           0.00             12             13           0.54           1.68          12.64
                &fs_info->tree_log_mutex:             0              0           0.00           0.00           0.00             12             13        3871.10     1836528.76     5488135.63
                          btrfs-dev-01-W:             0              0           0.00           0.00           0.00              3            999           0.15           2.51         617.97
                          btrfs-dev-01-R:             0              0           0.00           0.00           0.00             13           6745           0.10          12.36        5937.10
        &(&root->accounting_lock)->rlock:             0              0           0.00           0.00           0.00         266657         322164           0.10         238.48      159692.14
                 &type->s_umount_key#3-R:             0              0           0.00           0.00           0.00              2           1527           1.07    86462279.67   466840602.86
                  &rl->wait[BLK_RW_SYNC]:             0              0           0.00           0.00           0.00            504           2850           0.12          24.94        6318.61
                              &x->wait#2:             0              0           0.00           0.00           0.00              0             26           0.12           0.42           5.59
                 &cur_trans->commit_wait:             0              0           0.00           0.00           0.00             11             13           0.31           0.93           6.12
              &fs_info->scrub_pause_wait:             0              0           0.00           0.00           0.00             13             13           0.25           0.59           5.03
                &type->i_mutex_dir_key#6:             0              0           0.00           0.00           0.00              1              2           3.53          17.78          21.31
                          sb_writers#1-R:             0              0           0.00           0.00           0.00              0       30669832           1.09   147027950.30 48572986177.64
              &type->i_mutex_dir_key#6/1:             0              0           0.00           0.00           0.00              0              7           0.83         681.81         706.84
                   &root->objectid_mutex:             0              0           0.00           0.00           0.00              3           1027           0.18          54.63         693.08
             &(&root->inode_lock)->rlock:             0              0           0.00           0.00           0.00              3           3084           0.13          62.46        4952.83
                 &rl->wait[BLK_RW_ASYNC]:             0              0           0.00           0.00           0.00            477          12556           0.11         283.82       40653.40
            &sb->s_type->i_mutex_key#1/1:             0              0           0.00           0.00           0.00              0              1          24.81          24.81          24.81
   &(&fs_info->defrag_inodes_lock)->rloc:             0              0           0.00           0.00           0.00              1             13           0.78           3.55          16.52
                     &sig->wait_chldexit:             0              0           0.00           0.00           0.00            147           2580           0.11          14.44         661.12
                     &ei->delalloc_mutex:             0              0           0.00           0.00           0.00          83336       30668800           0.82       58241.95    79597579.62
   &(&fs_info->fs_roots_radix_lock)->rlo:             0              0           0.00           0.00           0.00             25             39           0.15           8.48         122.09
     &fs_info->transaction_kthread_mutex:             0              0           0.00           0.00           0.00              9             13           7.76   219738300.16   892744633.84
                            &entry->wait:             0              0           0.00           0.00           0.00        3710111        3770560           0.10         275.34      638245.90
                &child->perf_event_mutex:             0              0           0.00           0.00           0.00            243            248           0.20           3.90         213.90
                 &sb->s_type->i_lock_key:             0              0           0.00           0.00           0.00             14            128           0.14           3.50          63.51
            &(&root->orphan_lock)->rlock:             0              0           0.00           0.00           0.00             12             13           0.27           0.80           5.60
                  &root->fs_commit_mutex:             0              0           0.00           0.00           0.00             13             13           3.86          51.45         114.17
                                ntp_lock:             0              0           0.00           0.00           0.00              0         249192           0.10           7.53       84964.30
                  &nonblocking_pool.lock:             0              0           0.00           0.00           0.00             11         393861           0.11          21.48      229108.86
