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:      84131025       90246121           0.09       17999.58   766588472.29      145293777      166337322           0.08         672.42   254918940.23
                      ------------------
                      &eb->write_lock_wq       30571735          [<ffffffff81063531>] finish_wait+0x41/0x80
                      &eb->write_lock_wq       15241709          [<ffffffff8106e892>] __wake_up+0x32/0x70
                      &eb->write_lock_wq       44432677          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90
                      ------------------
                      &eb->write_lock_wq       24856305          [<ffffffff8106e892>] __wake_up+0x32/0x70
                      &eb->write_lock_wq       48380867          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90
                      &eb->write_lock_wq       17008944          [<ffffffff81063531>] finish_wait+0x41/0x80

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

                         btrfs-csum-01-W:      47070518       49455786           0.09        1806.09   829778357.18       65710547       87870040           0.08         617.86   255829979.45
                         btrfs-csum-01-R:      20614097       22092162           0.09         474.76   190507925.88       57670272       76421350           0.08         447.37   150215668.51
                         ---------------
                           btrfs-csum-01        7450591          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                           btrfs-csum-01       16370771          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                           btrfs-csum-01        6876183          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                           btrfs-csum-01       26940326          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                         ---------------
                           btrfs-csum-01       16321614          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           btrfs-csum-01        3654459          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                           btrfs-csum-01       34626632          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                           btrfs-csum-01        3989088          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140

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

                       &eb->read_lock_wq:      16042336       17462086           0.10        6870.14   103326784.01       36136799       44071747           0.08         555.28    64213024.76
                       -----------------
                       &eb->read_lock_wq        6318473          [<ffffffff8106e892>] __wake_up+0x32/0x70
                       &eb->read_lock_wq        4531047          [<ffffffff81063531>] finish_wait+0x41/0x80
                       &eb->read_lock_wq        6612566          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90
                       -----------------
                       &eb->read_lock_wq        2563313          [<ffffffff81063531>] finish_wait+0x41/0x80
                       &eb->read_lock_wq        9085526          [<ffffffff8106e892>] __wake_up+0x32/0x70
                       &eb->read_lock_wq        5813230          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90

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

   &(&cur_trans->delayed_refs.lock)->rlo:       3795466        5535083           0.21        7513.95    58505130.14        8747910       29075339           0.09        6439.04    53093435.45
   -------------------------------------
   &(&cur_trans->delayed_refs.lock)->rlo         655012          [<ffffffff812fbc9c>] run_clustered_refs+0x19c/0xa70
   &(&cur_trans->delayed_refs.lock)->rlo          96521          [<ffffffff8134e2bd>] btrfs_add_delayed_data_ref+0xbd/0x220
   &(&cur_trans->delayed_refs.lock)->rlo          61507          [<ffffffff812fc610>] btrfs_run_delayed_refs+0xa0/0x4b0
   &(&cur_trans->delayed_refs.lock)->rlo        4270894          [<ffffffff812fbd83>] run_clustered_refs+0x283/0xa70
   -------------------------------------
   &(&cur_trans->delayed_refs.lock)->rlo         486313          [<ffffffff8134e0ad>] btrfs_add_delayed_tree_ref+0xbd/0x210
   &(&cur_trans->delayed_refs.lock)->rlo         138619          [<ffffffff8134e2bd>] btrfs_add_delayed_data_ref+0xbd/0x220
   &(&cur_trans->delayed_refs.lock)->rlo         454758          [<ffffffff812fbc9c>] run_clustered_refs+0x19c/0xa70
   &(&cur_trans->delayed_refs.lock)->rlo         113049          [<ffffffff812fc610>] btrfs_run_delayed_refs+0xa0/0x4b0

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

                &(&eb->refs_lock)->rlock:       4012217        4141573           0.09         561.79     4691661.66      124802113      435073495           0.08         615.65   105355664.73
                ------------------------
                &(&eb->refs_lock)->rlock        2462197          [<ffffffff8132b7df>] free_extent_buffer+0x1f/0x90
                &(&eb->refs_lock)->rlock        1679372          [<ffffffff81325345>] check_buffer_tree_ref+0x25/0x50
                &(&eb->refs_lock)->rlock              4          [<ffffffff8132baef>] btree_write_cache_pages+0x29f/0x820
                ------------------------
                &(&eb->refs_lock)->rlock        2750272          [<ffffffff8132b7df>] free_extent_buffer+0x1f/0x90
                &(&eb->refs_lock)->rlock        1391297          [<ffffffff81325345>] check_buffer_tree_ref+0x25/0x50
                &(&eb->refs_lock)->rlock              1          [<ffffffff8132c08f>] free_extent_buffer_stale+0x1f/0x70
                &(&eb->refs_lock)->rlock              3          [<ffffffff8132baef>] btree_write_cache_pages+0x29f/0x820

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

         &(&futex_queues[i].lock)->rlock:       3136773        3153252           0.12        4920.46    30672678.03       26633479       27495033           0.09        2391.15   112102356.07
         -------------------------------
         &(&futex_queues[i].lock)->rlock        1451770          [<ffffffff81094d69>] futex_wait_setup+0x69/0x100
         &(&futex_queues[i].lock)->rlock        1670322          [<ffffffff810951fa>] futex_wake+0x7a/0x130
         &(&futex_queues[i].lock)->rlock          13996          [<ffffffff81096ff2>] do_futex+0x2d2/0xb70
         &(&futex_queues[i].lock)->rlock          17117          [<ffffffff81096037>] futex_requeue+0x147/0x8a0
         -------------------------------
         &(&futex_queues[i].lock)->rlock        1668871          [<ffffffff810951fa>] futex_wake+0x7a/0x130
         &(&futex_queues[i].lock)->rlock        1116082          [<ffffffff81094d69>] futex_wait_setup+0x69/0x100
         &(&futex_queues[i].lock)->rlock         189528          [<ffffffff81096341>] futex_requeue+0x451/0x8a0
         &(&futex_queues[i].lock)->rlock          79227          [<ffffffff81096ff2>] do_futex+0x2d2/0xb70

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

                         btrfs-csum-03-W:       1117504        1261926           0.10        2339.25    10363650.12        1482056        4885876           0.08         536.10    12875064.94
                         btrfs-csum-03-R:       1002408        1072446           0.11         535.09     6684626.17       20645956       69480677           0.08        1348.79    77058670.61
                         ---------------
                           btrfs-csum-03         457617          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           btrfs-csum-03         804308          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                           btrfs-csum-03         612170          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                           btrfs-csum-03         408912          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                         ---------------
                           btrfs-csum-03         369318          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                           btrfs-csum-03          54828          [<ffffffff8133e83a>] btrfs_clear_lock_blocking_rw+0x6a/0x1a0
                           btrfs-csum-03         419594          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           btrfs-csum-03        1137094          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0

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

                           btrfs-fs-03-W:        867987         995951           0.12        3405.74     6058918.15        1215176        8423405           0.08         633.31    16984044.58
                           btrfs-fs-03-R:        881381         902015           0.10         634.46     4711588.67       11704921       55499659           0.08         471.45    56663587.83
                           -------------
                             btrfs-fs-03         508119          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                             btrfs-fs-03         538910          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                             btrfs-fs-03         253653          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                             btrfs-fs-03         457041          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           -------------
                             btrfs-fs-03         839661          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                             btrfs-fs-03         306084          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                             btrfs-fs-03         255791          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                             btrfs-fs-03         176963          [<ffffffff8133e83a>] btrfs_clear_lock_blocking_rw+0x6a/0x1a0

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

                  &(&found->lock)->rlock:       1414112        1421840           0.09         360.85     2417355.62       18077703       61137167           0.08         317.01    26774226.31
                  ----------------------
                  &(&found->lock)->rlock         245452          [<ffffffff812f5cc3>] block_rsv_release_bytes+0x113/0x190
                  &(&found->lock)->rlock         416661          [<ffffffff812f9b2b>] reserve_metadata_bytes.clone.60+0x7b/0x7c0
                  &(&found->lock)->rlock         417792          [<ffffffff812f8a75>] do_chunk_alloc.clone.59+0x55/0x420
                  &(&found->lock)->rlock         151286          [<ffffffff812f6c88>] update_block_group.clone.58+0x148/0x2a0
                  ----------------------
                  &(&found->lock)->rlock         303058          [<ffffffff812f5cc3>] block_rsv_release_bytes+0x113/0x190
                  &(&found->lock)->rlock         380023          [<ffffffff812f9b2b>] reserve_metadata_bytes.clone.60+0x7b/0x7c0
                  &(&found->lock)->rlock         181272          [<ffffffff812f25e4>] btrfs_update_reserved_bytes+0x44/0x140
                  &(&found->lock)->rlock         246187          [<ffffffff812f8a75>] do_chunk_alloc.clone.59+0x55/0x420

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

                       btrfs-extent-03-W:        567310         664082           0.11        9103.27     9997564.66         803539        6944526           0.08         386.16    12811065.50
                       btrfs-extent-03-R:        562342         593195           0.12         384.02     4417765.77        2212156       14796507           0.08         470.36     9584118.46
                       -----------------
                         btrfs-extent-03         311030          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                         btrfs-extent-03         376954          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                         btrfs-extent-03         229842          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                         btrfs-extent-03         287127          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                       -----------------
                         btrfs-extent-03         602272          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                         btrfs-extent-03         175868          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                         btrfs-extent-03         228140          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                         btrfs-extent-03         179206          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140

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

                          btrfs-log-01-W:        654142         687152           0.10       50766.98   126746247.99        1557345       11926394           0.08        1283.11    14878934.21
                          btrfs-log-01-R:        285381         299314           0.14        2866.53     6938124.65        1127209        9324142           0.08        1949.82     8460506.78
                          --------------
                            btrfs-log-01         215546          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                            btrfs-log-01          58029          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                            btrfs-log-01          94053          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                            btrfs-log-01         296844          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                          --------------
                            btrfs-log-01          33385          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                            btrfs-log-01         459028          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                            btrfs-log-01          41272          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                            btrfs-log-01         146273          [<ffffffff8133e83a>] btrfs_clear_lock_blocking_rw+0x6a/0x1a0

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

                         btrfs-csum-02-W:        467272         505209           0.10         773.17     5787352.85        1034559        4220317           0.08         529.72     5403200.28
                         btrfs-csum-02-R:        383406         409443           0.10         271.44     1926643.22       69288910      122722132           0.08        1592.51   614728799.14
                         ---------------
                           btrfs-csum-02         152526          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                           btrfs-csum-02         335011          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           btrfs-csum-02         158579          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                           btrfs-csum-02          99081          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                         ---------------
                           btrfs-csum-02         170831          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           btrfs-csum-02         287197          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                           btrfs-csum-02          85426          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                           btrfs-csum-02         251419          [<ffffffff8133e83a>] btrfs_clear_lock_blocking_rw+0x6a/0x1a0

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

                           btrfs-fs-01-W:        434384         439758           0.13        1647.67     3721954.05        2892126       20637208           0.08        3873.65    25228458.86
                           btrfs-fs-01-R:        241119         246898           0.24         647.02     1396545.46        5858846       22225350           0.08         305.05    27796615.58
                           -------------
                             btrfs-fs-01         233228          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                             btrfs-fs-01         138290          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                             btrfs-fs-01          76917          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                             btrfs-fs-01          46013          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                           -------------
                             btrfs-fs-01         121062          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                             btrfs-fs-01          27015          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                             btrfs-fs-01         304076          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                             btrfs-fs-01          24500          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140

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

                               &rq->lock:        483828         484390           0.12        2293.61     1562725.29       19143460      372732310           0.07        1305.07   291398238.43
                               ---------
                               &rq->lock         287832          [<ffffffff81074a87>] try_to_wake_up+0x237/0x300
                               &rq->lock           2357          [<ffffffff81073ce1>] scheduler_tick+0x41/0x1a0
                               &rq->lock         104206          [<ffffffff8107b6ac>] load_balance+0x55c/0x820
                               &rq->lock          63484          [<ffffffff8169682e>] __schedule+0xbe/0x7c0
                               ---------
                               &rq->lock         313807          [<ffffffff8169682e>] __schedule+0xbe/0x7c0
                               &rq->lock          19878          [<ffffffff810749ff>] try_to_wake_up+0x1af/0x300
                               &rq->lock          82839          [<ffffffff8107b6ac>] load_balance+0x55c/0x820
                               &rq->lock          53623          [<ffffffff8107b4af>] load_balance+0x35f/0x820

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

           &(&delayed_root->lock)->rlock:        378610         379635           0.11        1212.74      633245.53        8997416       31973332           0.08         405.34     9406414.95
           -----------------------------
           &(&delayed_root->lock)->rlock          54974          [<ffffffff8135828a>] btrfs_async_run_delayed_node_done+0x15a/0x210
           &(&delayed_root->lock)->rlock         156468          [<ffffffff81356b55>] __btrfs_release_delayed_node+0x65/0x210
           &(&delayed_root->lock)->rlock          57177          [<ffffffff81356c00>] __btrfs_release_delayed_node+0x110/0x210
           &(&delayed_root->lock)->rlock         108984          [<ffffffff81357571>] btrfs_first_prepared_delayed_node+0x21/0x70
           -----------------------------
           &(&delayed_root->lock)->rlock          96473          [<ffffffff81357571>] btrfs_first_prepared_delayed_node+0x21/0x70
           &(&delayed_root->lock)->rlock          74702          [<ffffffff8135828a>] btrfs_async_run_delayed_node_done+0x15a/0x210
           &(&delayed_root->lock)->rlock         166481          [<ffffffff81356b55>] __btrfs_release_delayed_node+0x65/0x210
           &(&delayed_root->lock)->rlock          40393          [<ffffffff81356c00>] __btrfs_release_delayed_node+0x110/0x210

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

                      &(&h->lock)->rlock:        368015         371562           0.16         265.02      997428.83        2070908        7843093           0.14         304.46    11193509.72
                      ------------------
                      &(&h->lock)->rlock          70432          [<ffffffff81392a46>] blk_end_bidi_request+0x46/0x80
                      &(&h->lock)->rlock          80553          [<ffffffffa0004cd2>] do_cciss_msix_intr+0x22/0x230 [cciss]
                      &(&h->lock)->rlock          47388          [<ffffffffa0003237>] cciss_softirq_done+0x1a7/0x2e0 [cciss]
                      &(&h->lock)->rlock          16534          [<ffffffff813948d7>] blk_flush_plug_list+0x187/0x230
                      ------------------
                      &(&h->lock)->rlock         201282          [<ffffffffa0004cd2>] do_cciss_msix_intr+0x22/0x230 [cciss]
                      &(&h->lock)->rlock          47718          [<ffffffff81392a46>] blk_end_bidi_request+0x46/0x80
                      &(&h->lock)->rlock          15731          [<ffffffffa0003237>] cciss_softirq_done+0x1a7/0x2e0 [cciss]
                      &(&h->lock)->rlock          66404          [<ffffffffa0003adf>] do_cciss_request+0x49f/0x5f0 [cciss]

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

          &(&fs_info->trans_lock)->rlock:        362044         364423           0.22         259.68      376664.20        7860695       40138580           0.10         282.39    11472466.40
          ------------------------------
          &(&fs_info->trans_lock)->rlock         221829          [<ffffffff8130e0e5>] join_transaction.clone.25+0x25/0x370
          &(&fs_info->trans_lock)->rlock         125867          [<ffffffff8130eb48>] btrfs_transaction_in_commit+0x28/0x60
          &(&fs_info->trans_lock)->rlock          16581          [<ffffffff8130e4e2>] wait_current_trans.clone.26+0x22/0xf0
          &(&fs_info->trans_lock)->rlock             11          [<ffffffff8130e125>] join_transaction.clone.25+0x65/0x370
          ------------------------------
          &(&fs_info->trans_lock)->rlock          28964          [<ffffffff8130e4e2>] wait_current_trans.clone.26+0x22/0xf0
          &(&fs_info->trans_lock)->rlock         276980          [<ffffffff8130e0e5>] join_transaction.clone.25+0x25/0x370
          &(&fs_info->trans_lock)->rlock          58327          [<ffffffff8130eb48>] btrfs_transaction_in_commit+0x28/0x60
          &(&fs_info->trans_lock)->rlock              2          [<ffffffff813102c9>] btrfs_clean_old_snapshots+0x39/0x170

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

                          btrfs-log-02-W:        158246         170777           0.12         544.39      545325.16         248275        2854333           0.08         285.20     4075374.74
                          btrfs-log-02-R:        124664         130141           0.12         216.30      448993.88        2097466       26323763           0.08         311.84    17617569.93
                          --------------
                            btrfs-log-02          69431          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                            btrfs-log-02          89438          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                            btrfs-log-02          38082          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                            btrfs-log-02          81339          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                          --------------
                            btrfs-log-02          65334          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                            btrfs-log-02          46458          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                            btrfs-log-02         112857          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                            btrfs-log-02          40583          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140

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

                       btrfs-extent-01-W:        274212         281023           0.10        8938.02     1349324.71        1668033       12145281           0.08       11256.02    19474762.20
                       btrfs-extent-01-R:           170            172           0.47          26.68         530.23           1041          13500           0.08         259.53        4084.63
                       -----------------
                         btrfs-extent-01         124764          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                         btrfs-extent-01          93783          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                         btrfs-extent-01            114          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                         btrfs-extent-01             58          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                       -----------------
                         btrfs-extent-01             75          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                         btrfs-extent-01         181721          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                         btrfs-extent-01          61099          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                         btrfs-extent-01             36          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140

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

       &(&fs_info->delalloc_lock)->rlock:        194498         199563           0.19         148.53      220156.27        5043244       24032370           0.08         310.56     7452963.72
       ---------------------------------
       &(&fs_info->delalloc_lock)->rlock          88296          [<ffffffff81313206>] btrfs_set_bit_hook+0x96/0x190
       &(&fs_info->delalloc_lock)->rlock          26278          [<ffffffff8130a4d1>] btrfs_mark_buffer_dirty+0x91/0xf0
       &(&fs_info->delalloc_lock)->rlock          53023          [<ffffffff812f6b7b>] update_block_group.clone.58+0x3b/0x2a0
       &(&fs_info->delalloc_lock)->rlock           8325          [<ffffffff813134af>] btrfs_clear_bit_hook+0x1af/0x240
       ---------------------------------
       &(&fs_info->delalloc_lock)->rlock          33316          [<ffffffff8130a4d1>] btrfs_mark_buffer_dirty+0x91/0xf0
       &(&fs_info->delalloc_lock)->rlock          60617          [<ffffffff812f6b7b>] update_block_group.clone.58+0x3b/0x2a0
       &(&fs_info->delalloc_lock)->rlock          75413          [<ffffffff81313206>] btrfs_set_bit_hook+0x96/0x190
       &(&fs_info->delalloc_lock)->rlock          13013          [<ffffffff813134af>] btrfs_clear_bit_hook+0x1af/0x240

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

                        rcu_node_level_1:        192259         195592           0.10         226.21      678629.67         823235        2267953           0.07         254.73     1131884.37
                        ----------------
                        rcu_node_level_1         190088          [<ffffffff810c6cb1>] rcu_process_callbacks+0x391/0x530
                        rcu_node_level_1           3816          [<ffffffff810c54f7>] rcu_start_gp+0x157/0x310
                        rcu_node_level_1           1665          [<ffffffff810c5928>] force_qs_rnp+0x68/0x190
                        rcu_node_level_1             23          [<ffffffff810c580c>] rcu_report_qs_rnp+0x15c/0x210
                        ----------------
                        rcu_node_level_1         178621          [<ffffffff810c6cb1>] rcu_process_callbacks+0x391/0x530
                        rcu_node_level_1           3913          [<ffffffff810c580c>] rcu_report_qs_rnp+0x15c/0x210
                        rcu_node_level_1           3173          [<ffffffff810c5928>] force_qs_rnp+0x68/0x190
                        rcu_node_level_1           9885          [<ffffffff810c54f7>] rcu_start_gp+0x157/0x310

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

                        &root->log_mutex:        192085         192114           7.10     9916430.33  6861673372.16         704571        1225521           0.15     9916420.28    45913757.34
                        ----------------
                        &root->log_mutex         185138          [<ffffffff81340426>] wait_log_commit.clone.15+0x96/0x130
                        &root->log_mutex           3036          [<ffffffff8131ecf8>] btrfs_sync_file+0xc8/0x250
                        &root->log_mutex            980          [<ffffffff813450ad>] btrfs_log_inode_parent+0xcd/0x4d0
                        &root->log_mutex           1425          [<ffffffff8134012d>] join_running_log_trans+0x3d/0x70
                        ----------------
                        &root->log_mutex         186447          [<ffffffff81340426>] wait_log_commit.clone.15+0x96/0x130
                        &root->log_mutex           1334          [<ffffffff813444d0>] btrfs_sync_log+0x40/0x670
                        &root->log_mutex            998          [<ffffffff8131ecf8>] btrfs_sync_file+0xc8/0x250
                        &root->log_mutex           1875          [<ffffffff813450fd>] btrfs_log_inode_parent+0x11d/0x4d0

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

                    &(&rsv->lock)->rlock:        188791         190500           0.11         298.45      198950.36       15583503       59826828           0.08         352.56    15883524.36
                    --------------------
                    &(&rsv->lock)->rlock          28016          [<ffffffff812f5bf1>] block_rsv_release_bytes+0x41/0x190
                    &(&rsv->lock)->rlock          33046          [<ffffffff812f24d5>] block_rsv_add_bytes+0x35/0x80
                    &(&rsv->lock)->rlock         107136          [<ffffffff812fa76a>] btrfs_block_rsv_check+0x3a/0x90
                    &(&rsv->lock)->rlock              3          [<ffffffff812f5a54>] update_global_block_rsv+0x134/0x290
                    --------------------
                    &(&rsv->lock)->rlock          26063          [<ffffffff812f24d5>] block_rsv_add_bytes+0x35/0x80
                    &(&rsv->lock)->rlock          31675          [<ffffffff812f5bf1>] block_rsv_release_bytes+0x41/0x190
                    &(&rsv->lock)->rlock         107943          [<ffffffff812fa76a>] btrfs_block_rsv_check+0x3a/0x90
                    &(&rsv->lock)->rlock          23147          [<ffffffff812f2458>] block_rsv_use_bytes+0x38/0x80

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

             &fs_info->tree_mod_log_lock:        189360         189883           0.23       11249.56     3401766.72        2421946        6307151           0.08        8586.89    13412049.89
             ---------------------------
             &fs_info->tree_mod_log_lock           9109          [<ffffffff812e7245>] tree_mod_log_insert_move.clone.39+0x85/0x190
             &fs_info->tree_mod_log_lock          22271          [<ffffffff812e9245>] btrfs_put_tree_mod_seq+0xe5/0x180
             &fs_info->tree_mod_log_lock          75824          [<ffffffff812e6a7f>] tree_mod_log_insert_key_mask.clone.37+0x8f/0x1d0
             &fs_info->tree_mod_log_lock          77475          [<ffffffff812e90dc>] btrfs_get_tree_mod_seq+0x3c/0xc0
             ---------------------------
             &fs_info->tree_mod_log_lock          56303          [<ffffffff812e6a7f>] tree_mod_log_insert_key_mask.clone.37+0x8f/0x1d0
             &fs_info->tree_mod_log_lock          41619          [<ffffffff812e9245>] btrfs_put_tree_mod_seq+0xe5/0x180
             &fs_info->tree_mod_log_lock          55774          [<ffffffff812e90dc>] btrfs_get_tree_mod_seq+0x3c/0xc0
             &fs_info->tree_mod_log_lock           7404          [<ffffffff812e7245>] tree_mod_log_insert_move.clone.39+0x85/0x190

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

           &(&mapping->tree_lock)->rlock:        175059         175450           0.12         218.05      195594.64        4075464       71413906           0.10         283.66    16892623.09
           -----------------------------
           &(&mapping->tree_lock)->rlock          16429          [<ffffffff811040f0>] __set_page_dirty_nobuffers+0x60/0x150
           &(&mapping->tree_lock)->rlock          17525          [<ffffffff810f9a51>] add_to_page_cache_locked+0x71/0xe0
           &(&mapping->tree_lock)->rlock           6102          [<ffffffff81103630>] tag_pages_for_writeback+0x30/0xb0
           &(&mapping->tree_lock)->rlock          59360          [<ffffffff811042f3>] test_set_page_writeback+0x63/0x190
           -----------------------------
           &(&mapping->tree_lock)->rlock          27447          [<ffffffff811040f0>] __set_page_dirty_nobuffers+0x60/0x150
           &(&mapping->tree_lock)->rlock          15566          [<ffffffff810f9a51>] add_to_page_cache_locked+0x71/0xe0
           &(&mapping->tree_lock)->rlock           5605          [<ffffffff81103630>] tag_pages_for_writeback+0x30/0xb0
           &(&mapping->tree_lock)->rlock          57959          [<ffffffff8110586f>] test_clear_page_writeback+0x5f/0x1b0

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

   &(&fs_info->block_group_cache_lock)->:        145674         152232           0.10         189.93      225154.97        3600846       11238803           0.09         257.22     4868107.10
   -------------------------------------
   &(&fs_info->block_group_cache_lock)->         152232          [<ffffffff812f21c8>] block_group_cache_tree_search+0x28/0xd0
   -------------------------------------
   &(&fs_info->block_group_cache_lock)->         152232          [<ffffffff812f21c8>] block_group_cache_tree_search+0x28/0xd0

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

                         btrfs-csum-00-W:        139532         140423           0.12         301.25      351490.29        2919057       63961981           0.08         439.29    19809826.32
                         btrfs-csum-00-R:          5509           5781           0.33         138.87       23967.51         182841         367508           0.08         264.91      270490.77
                         ---------------
                           btrfs-csum-00          74276          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           btrfs-csum-00           4417          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                           btrfs-csum-00           2720          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                           btrfs-csum-00           1069          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                         ---------------
                           btrfs-csum-00            536          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                           btrfs-csum-00           7578          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           btrfs-csum-00            912          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                           btrfs-csum-00         108837          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0

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

                             &rq->lock/1:        114878         114945           0.12        1299.39      883762.32         482698        1023647           0.08         217.54     1115976.04
                             -----------
                             &rq->lock/1         114708          [<ffffffff8107b4af>] load_balance+0x35f/0x820
                             &rq->lock/1            237          [<ffffffff8107b6b9>] load_balance+0x569/0x820
                             -----------
                             &rq->lock/1          25783          [<ffffffff8169682e>] __schedule+0xbe/0x7c0
                             &rq->lock/1          32347          [<ffffffff8107b6ac>] load_balance+0x55c/0x820
                             &rq->lock/1             26          [<ffffffff8107b6d7>] load_balance+0x587/0x820
                             &rq->lock/1          55706          [<ffffffff8107b4af>] load_balance+0x35f/0x820

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

                 &(&worker->lock)->rlock:        111840         113419           0.15          74.49      178669.70        4244293       12137626           0.09         522.78    10831798.27
                 -----------------------
                 &(&worker->lock)->rlock          21685          [<ffffffff813379b7>] worker_loop+0x1b7/0x5a0
                 &(&worker->lock)->rlock          70237          [<ffffffff81337655>] btrfs_queue_worker+0x185/0x330
                 &(&worker->lock)->rlock          14042          [<ffffffff81337c9a>] worker_loop+0x49a/0x5a0
                 &(&worker->lock)->rlock           7455          [<ffffffff8133791f>] worker_loop+0x11f/0x5a0
                 -----------------------
                 &(&worker->lock)->rlock          76478          [<ffffffff81337655>] btrfs_queue_worker+0x185/0x330
                 &(&worker->lock)->rlock          29974          [<ffffffff813379b7>] worker_loop+0x1b7/0x5a0
                 &(&worker->lock)->rlock           3909          [<ffffffff81337c9a>] worker_loop+0x49a/0x5a0
                 &(&worker->lock)->rlock           3058          [<ffffffff8133791f>] worker_loop+0x11f/0x5a0

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

       &(&futex_queues[i].lock)->rlock/1:        109497         109763           0.21         292.69      519177.58         832906         846911           0.08         269.99      393407.30
       ---------------------------------
       &(&futex_queues[i].lock)->rlock/1          78004          [<ffffffff8109773e>] do_futex+0xa1e/0xb70
       &(&futex_queues[i].lock)->rlock/1          31718          [<ffffffff81096341>] futex_requeue+0x451/0x8a0
       &(&futex_queues[i].lock)->rlock/1             41          [<ffffffff810962c9>] futex_requeue+0x3d9/0x8a0
       ---------------------------------
       &(&futex_queues[i].lock)->rlock/1          64259          [<ffffffff81094d69>] futex_wait_setup+0x69/0x100
       &(&futex_queues[i].lock)->rlock/1          45186          [<ffffffff810951fa>] futex_wake+0x7a/0x130
       &(&futex_queues[i].lock)->rlock/1            317          [<ffffffff8109773e>] do_futex+0xa1e/0xb70
       &(&futex_queues[i].lock)->rlock/1              1          [<ffffffff810962c9>] futex_requeue+0x3d9/0x8a0

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

               &(&dentry->d_lock)->rlock:        104269         105368           0.11          98.89      146629.54        8492213       49330875           0.07         299.65    13887057.94
               -------------------------
               &(&dentry->d_lock)->rlock          79340          [<ffffffff811624b2>] dput+0x32/0x1d0
               &(&dentry->d_lock)->rlock           5354          [<ffffffff81155ee6>] path_get+0x36/0x50
               &(&dentry->d_lock)->rlock           3534          [<ffffffff81155f71>] unlazy_walk+0x71/0x250
               &(&dentry->d_lock)->rlock           9617          [<ffffffff8116355c>] __d_lookup+0xac/0x1a0
               -------------------------
               &(&dentry->d_lock)->rlock           5818          [<ffffffff81155ee6>] path_get+0x36/0x50
               &(&dentry->d_lock)->rlock          30124          [<ffffffff811624b2>] dput+0x32/0x1d0
               &(&dentry->d_lock)->rlock           5211          [<ffffffff811567e9>] follow_managed+0x179/0x2f0
               &(&dentry->d_lock)->rlock          45673          [<ffffffff81155f71>] unlazy_walk+0x71/0x250

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

          &(&workers->order_lock)->rlock:         86218          86569           0.10         224.71       77297.16        1977093        5288408           0.08         805.62     1756368.11
          ------------------------------
          &(&workers->order_lock)->rlock          30816          [<ffffffff8133771f>] btrfs_queue_worker+0x24f/0x330
          &(&workers->order_lock)->rlock          18439          [<ffffffff81336f36>] run_ordered_completions+0xd6/0x110
          &(&workers->order_lock)->rlock          21937          [<ffffffff81336eac>] run_ordered_completions+0x4c/0x110
          &(&workers->order_lock)->rlock          15377          [<ffffffff81336eef>] run_ordered_completions+0x8f/0x110
          ------------------------------
          &(&workers->order_lock)->rlock          13153          [<ffffffff81336eef>] run_ordered_completions+0x8f/0x110
          &(&workers->order_lock)->rlock          27805          [<ffffffff8133771f>] btrfs_queue_worker+0x24f/0x330
          &(&workers->order_lock)->rlock          12595          [<ffffffff81336f36>] run_ordered_completions+0xd6/0x110
          &(&workers->order_lock)->rlock          33016          [<ffffffff81336eac>] run_ordered_completions+0x4c/0x110

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

        &(&fs_info->balance_lock)->rlock:         74209          74336           0.14         234.50       64660.58        3284116       10420643           0.10         264.75     2920664.71
        --------------------------------
        &(&fs_info->balance_lock)->rlock          74336          [<ffffffff812f8895>] btrfs_reduce_alloc_profile+0x45/0x130
        --------------------------------
        &(&fs_info->balance_lock)->rlock          74336          [<ffffffff812f8895>] btrfs_reduce_alloc_profile+0x45/0x130

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

   &(&fs_info->tree_mod_seq_lock)->rlock:         68790          69069           0.16         231.70       80016.17        8345865       25459752           0.08        2109.35     8020073.55
   -------------------------------------
   &(&fs_info->tree_mod_seq_lock)->rlock          26319          [<ffffffff812e919f>] btrfs_put_tree_mod_seq+0x3f/0x180
   &(&fs_info->tree_mod_seq_lock)->rlock           8714          [<ffffffff812e90e4>] btrfs_get_tree_mod_seq+0x44/0xc0
   &(&fs_info->tree_mod_seq_lock)->rlock          34036          [<ffffffff8134de28>] btrfs_check_delayed_seq+0x38/0x80
   -------------------------------------
   &(&fs_info->tree_mod_seq_lock)->rlock          45734          [<ffffffff812e919f>] btrfs_put_tree_mod_seq+0x3f/0x180
   &(&fs_info->tree_mod_seq_lock)->rlock          15976          [<ffffffff8134de28>] btrfs_check_delayed_seq+0x38/0x80
   &(&fs_info->tree_mod_seq_lock)->rlock           7359          [<ffffffff812e90e4>] btrfs_get_tree_mod_seq+0x44/0xc0

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

                           btrfs-fs-00-W:         23655          23676           0.16         174.99       45310.69        5096547       23422451           0.08        1736.36    28724521.44
                           btrfs-fs-00-R:         44586          45044           0.16         226.58      108622.20        1587558        8386374           0.08         467.80     3298920.30
                           -------------
                             btrfs-fs-00          10225          [<ffffffff8133eb7f>] btrfs_try_tree_write_lock+0x4f/0xc0
                             btrfs-fs-00           8433          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                             btrfs-fs-00          21625          [<ffffffff8133eaff>] btrfs_try_tree_read_lock+0x4f/0x80
                             btrfs-fs-00          14283          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                           -------------
                             btrfs-fs-00          45616          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                             btrfs-fs-00           6773          [<ffffffff8133eb7f>] btrfs_try_tree_write_lock+0x4f/0xc0
                             btrfs-fs-00           6913          [<ffffffff8133e83a>] btrfs_clear_lock_blocking_rw+0x6a/0x1a0
                             btrfs-fs-00           4945          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140

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

                       btrfs-extent-02-W:         29858          31480           0.15        8930.72      126239.85         488140        5181777           0.08       11256.86     7702124.33
                       btrfs-extent-02-R:         30459          31102           0.16       11250.90      144652.94        1032146        7660808           0.08        8959.82     7964354.86
                       -----------------
                         btrfs-extent-02          15328          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                         btrfs-extent-02           5183          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                         btrfs-extent-02          10617          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                         btrfs-extent-02          14253          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                       -----------------
                         btrfs-extent-02           5075          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                         btrfs-extent-02          30917          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                         btrfs-extent-02           8241          [<ffffffff8133e83a>] btrfs_clear_lock_blocking_rw+0x6a/0x1a0
                         btrfs-extent-02           3984          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140

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

        &(&root->root_times_lock)->rlock:         61222          62062           0.18          71.82       60324.04        2900089       19990181           0.10         279.95     5189363.18
        --------------------------------
        &(&root->root_times_lock)->rlock          62062          [<ffffffff813022f2>] btrfs_update_root_times+0x52/0x90
        --------------------------------
        &(&root->root_times_lock)->rlock          62062          [<ffffffff813022f2>] btrfs_update_root_times+0x52/0x90

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

                           btrfs-fs-02-W:         28265          28889           0.16        1464.83      103862.86         772702        6517274           0.08         504.73     7992680.53
                           btrfs-fs-02-R:         28989          29224           0.12         300.10       73478.32        7673763       36366087           0.08        1656.46    44344387.21
                           -------------
                             btrfs-fs-02           3060          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                             btrfs-fs-02           9354          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                             btrfs-fs-02          10896          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                             btrfs-fs-02           9692          [<ffffffff8133e83a>] btrfs_clear_lock_blocking_rw+0x6a/0x1a0
                           -------------
                             btrfs-fs-02          22183          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                             btrfs-fs-02           3712          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                             btrfs-fs-02           3272          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                             btrfs-fs-02           1404          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140

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

              &(&newf->file_lock)->rlock:         47785          47860           0.22        1124.95       97823.12        1591888        5061327           0.11         246.00     2738179.93
              --------------------------
              &(&newf->file_lock)->rlock          14337          [<ffffffff81148747>] fd_install+0x47/0x80
              &(&newf->file_lock)->rlock          22188          [<ffffffff81148633>] sys_close+0x43/0x110
              &(&newf->file_lock)->rlock          11335          [<ffffffff81167f0b>] alloc_fd+0x3b/0x130
              --------------------------
              &(&newf->file_lock)->rlock          18528          [<ffffffff81148633>] sys_close+0x43/0x110
              &(&newf->file_lock)->rlock          18373          [<ffffffff81167f0b>] alloc_fd+0x3b/0x130
              &(&newf->file_lock)->rlock          10959          [<ffffffff81148747>] fd_install+0x47/0x80

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

                     &(&fs->lock)->rlock:         43863          43881           0.18         213.01      145846.54         878008        2223009           0.10         302.06     5154001.40
                     -------------------
                     &(&fs->lock)->rlock          43878          [<ffffffff811560a0>] unlazy_walk+0x1a0/0x250
                     &(&fs->lock)->rlock              3          [<ffffffff8117a61a>] exit_fs+0x4a/0xa0
                     -------------------
                     &(&fs->lock)->rlock          43878          [<ffffffff811560a0>] unlazy_walk+0x1a0/0x250
                     &(&fs->lock)->rlock              3          [<ffffffff8117a61a>] exit_fs+0x4a/0xa0

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

             &fs_info->tree_mod_seq_wait:         31772          37282           0.24         284.70      313580.29         608080         966877           0.08         312.76      866565.90
             ---------------------------
             &fs_info->tree_mod_seq_wait          19890          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90
             &fs_info->tree_mod_seq_wait          17136          [<ffffffff81063531>] finish_wait+0x41/0x80
             &fs_info->tree_mod_seq_wait            256          [<ffffffff8106e892>] __wake_up+0x32/0x70
             ---------------------------
             &fs_info->tree_mod_seq_wait          10307          [<ffffffff8106e892>] __wake_up+0x32/0x70
             &fs_info->tree_mod_seq_wait          18977          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90
             &fs_info->tree_mod_seq_wait           7998          [<ffffffff81063531>] finish_wait+0x41/0x80

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

              &(&device->io_lock)->rlock:         31372          32800           0.10         229.81       58866.82        1853427        4351198           0.08         285.77     1713723.61
              --------------------------
              &(&device->io_lock)->rlock          13252          [<ffffffff8132dd69>] run_scheduled_bios+0xb9/0x540
              &(&device->io_lock)->rlock          13394          [<ffffffff8132e31f>] schedule_bio.clone.43+0x5f/0x120
              &(&device->io_lock)->rlock           6154          [<ffffffff8132e07d>] run_scheduled_bios+0x3cd/0x540
              --------------------------
              &(&device->io_lock)->rlock          18731          [<ffffffff8132e31f>] schedule_bio.clone.43+0x5f/0x120
              &(&device->io_lock)->rlock          12351          [<ffffffff8132dd69>] run_scheduled_bios+0xb9/0x540
              &(&device->io_lock)->rlock           1716          [<ffffffff8132e07d>] run_scheduled_bios+0x3cd/0x540
              &(&device->io_lock)->rlock              2          [<ffffffff8132e0fe>] run_scheduled_bios+0x44e/0x540

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

                   &(&tree->lock)->rlock:         30776          30816           0.21         229.17       99865.35        3349601       49183542           0.10         492.66    30959511.40
                   ---------------------
                   &(&tree->lock)->rlock          30743          [<ffffffff8132699f>] __set_extent_bit+0x6f/0x4f0
                   &(&tree->lock)->rlock             54          [<ffffffff81327c6d>] find_first_extent_bit+0x3d/0x90
                   &(&tree->lock)->rlock             19          [<ffffffff81326eaa>] clear_extent_bit+0x8a/0x3e0
                   ---------------------
                   &(&tree->lock)->rlock          30756          [<ffffffff8132699f>] __set_extent_bit+0x6f/0x4f0
                   &(&tree->lock)->rlock             20          [<ffffffff81327c6d>] find_first_extent_bit+0x3d/0x90
                   &(&tree->lock)->rlock             40          [<ffffffff81326eaa>] clear_extent_bit+0x8a/0x3e0

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

            &(&tree->buffer_lock)->rlock:         22084          22103           0.14         186.65       32247.23        1199213        2801955           0.12         288.32     2875070.20
            ----------------------------
            &(&tree->buffer_lock)->rlock          10361          [<ffffffff8132b561>] alloc_extent_buffer+0x301/0x480
            &(&tree->buffer_lock)->rlock          11742          [<ffffffff81325bf4>] release_extent_buffer.clone.30+0x54/0xe0
            ----------------------------
            &(&tree->buffer_lock)->rlock          15800          [<ffffffff8132b561>] alloc_extent_buffer+0x301/0x480
            &(&tree->buffer_lock)->rlock           6303          [<ffffffff81325bf4>] release_extent_buffer.clone.30+0x54/0xe0

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

         &(&cluster->refill_lock)->rlock:         18852          18853           0.29          68.74       45469.07         897159        1640260           0.54         280.34     2750500.61
         -------------------------------
         &(&cluster->refill_lock)->rlock          18853          [<ffffffff812f90ef>] find_free_extent+0x2af/0xc70
         -------------------------------
         &(&cluster->refill_lock)->rlock          18853          [<ffffffff812f90ef>] find_free_extent+0x2af/0xc70

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

               &(&ctl->tree_lock)->rlock:         18617          18714           0.26         142.20       21636.58        7849633       30807779           0.08         284.09     8496887.79
               -------------------------
               &(&ctl->tree_lock)->rlock             47          [<ffffffff8134844d>] __btrfs_add_free_space+0x4d/0x400
               &(&ctl->tree_lock)->rlock            251          [<ffffffff81349bcf>] btrfs_alloc_from_cluster+0x1af/0x240
               &(&ctl->tree_lock)->rlock          16288          [<ffffffff812f9157>] find_free_extent+0x317/0xc70
               &(&ctl->tree_lock)->rlock           2128          [<ffffffff813497ba>] btrfs_find_space_for_alloc+0x3a/0x1f0
               -------------------------
               &(&ctl->tree_lock)->rlock             44          [<ffffffff81349bcf>] btrfs_alloc_from_cluster+0x1af/0x240
               &(&ctl->tree_lock)->rlock            254          [<ffffffff8134844d>] __btrfs_add_free_space+0x4d/0x400
               &(&ctl->tree_lock)->rlock          15953          [<ffffffff812f9157>] find_free_extent+0x317/0xc70
               &(&ctl->tree_lock)->rlock           2463          [<ffffffff813497ba>] btrfs_find_space_for_alloc+0x3a/0x1f0

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

                          btrfs-log-00-W:         17366          17548           0.10        1087.30       90689.76        1391910       13775724           0.08         390.97     3527622.36
                          btrfs-log-00-R:           291            311           0.66         397.71       13384.03           5297          19695           0.10          24.64       10402.10
                          --------------
                            btrfs-log-00            171          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                            btrfs-log-00           9553          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                            btrfs-log-00           7621          [<ffffffff8133eb7f>] btrfs_try_tree_write_lock+0x4f/0xc0
                            btrfs-log-00            374          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                          --------------
                            btrfs-log-00          13946          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                            btrfs-log-00           2774          [<ffffffff8133eb7f>] btrfs_try_tree_write_lock+0x4f/0xc0
                            btrfs-log-00            981          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                            btrfs-log-00            105          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140

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

                 &(&n->list_lock)->rlock:         17385          17551           0.24         227.72       36731.69         642387        1477562           0.11         243.80      970217.41
                 -----------------------
                 &(&n->list_lock)->rlock             21          [<ffffffff81140618>] __slab_free+0xc8/0x330
                 &(&n->list_lock)->rlock          17422          [<ffffffff8114035f>] unfreeze_partials+0x6f/0x1a0
                 &(&n->list_lock)->rlock            108          [<ffffffff8114114f>] get_partial_node.clone.42+0x4f/0x1f0
                 -----------------------
                 &(&n->list_lock)->rlock            148          [<ffffffff8114114f>] get_partial_node.clone.42+0x4f/0x1f0
                 &(&n->list_lock)->rlock          17389          [<ffffffff8114035f>] unfreeze_partials+0x6f/0x1a0
                 &(&n->list_lock)->rlock             14          [<ffffffff81140618>] __slab_free+0xc8/0x330

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

                                &q->lock:         14925          16502           0.26          24.02       19024.41        1964226        1996120           0.10         270.94     1495314.03
                                --------
                                &q->lock           3792          [<ffffffff81099697>] generic_smp_call_function_single_interrupt+0x57/0x120
                                &q->lock          12710          [<ffffffff81098d68>] generic_exec_single+0x48/0xb0
                                --------
                                &q->lock           6251          [<ffffffff81098d68>] generic_exec_single+0x48/0xb0
                                &q->lock          10251          [<ffffffff81099697>] generic_smp_call_function_single_interrupt+0x57/0x120

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

                &(&cluster->lock)->rlock:         12243          12333           0.12          89.33       14450.84         968622        3450203           0.10         278.64     1774786.07
                ------------------------
                &(&cluster->lock)->rlock           8001          [<ffffffff812f8f6a>] find_free_extent+0x12a/0xc70
                &(&cluster->lock)->rlock           4206          [<ffffffff81349a5c>] btrfs_alloc_from_cluster+0x3c/0x240
                &(&cluster->lock)->rlock            126          [<ffffffff813484ff>] __btrfs_add_free_space+0xff/0x400
                ------------------------
                &(&cluster->lock)->rlock           4984          [<ffffffff81349a5c>] btrfs_alloc_from_cluster+0x3c/0x240
                &(&cluster->lock)->rlock           7270          [<ffffffff812f8f6a>] find_free_extent+0x12a/0xc70
                &(&cluster->lock)->rlock             76          [<ffffffff813484ff>] __btrfs_add_free_space+0xff/0x400
                &(&cluster->lock)->rlock              3          [<ffffffff81349cda>] btrfs_find_space_cluster+0x7a/0x2c0

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

                 &cur_trans->writer_wait:         11992          11992           0.28         223.19       37956.70        2509439        2509484           0.08         304.03     7159968.49
                 -----------------------
                 &cur_trans->writer_wait          11992          [<ffffffff8106e892>] __wake_up+0x32/0x70
                 -----------------------
                 &cur_trans->writer_wait          11989          [<ffffffff8106e892>] __wake_up+0x32/0x70
                 &cur_trans->writer_wait              3          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90

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

   &(&fs_info->ordered_extent_lock)->rlo:          9944           9965           0.24         107.28        9897.77        2920454        3189379           0.09         315.94     1984352.13
   -------------------------------------
   &(&fs_info->ordered_extent_lock)->rlo           2534          [<ffffffff813242b3>] btrfs_remove_ordered_extent+0x83/0x180
   &(&fs_info->ordered_extent_lock)->rlo           3987          [<ffffffff81323b53>] __btrfs_add_ordered_extent+0x1c3/0x2e0
   &(&fs_info->ordered_extent_lock)->rlo           3415          [<ffffffff81324be1>] btrfs_run_ordered_operations+0x51/0x220
   &(&fs_info->ordered_extent_lock)->rlo             29          [<ffffffff81324574>] btrfs_wait_ordered_extents+0xa4/0x210
   -------------------------------------
   &(&fs_info->ordered_extent_lock)->rlo           3303          [<ffffffff813242b3>] btrfs_remove_ordered_extent+0x83/0x180
   &(&fs_info->ordered_extent_lock)->rlo           3175          [<ffffffff81323b53>] __btrfs_add_ordered_extent+0x1c3/0x2e0
   &(&fs_info->ordered_extent_lock)->rlo           3406          [<ffffffff81324be1>] btrfs_run_ordered_operations+0x51/0x220
   &(&fs_info->ordered_extent_lock)->rlo             81          [<ffffffff81324574>] btrfs_wait_ordered_extents+0xa4/0x210

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

                       btrfs-extent-00-W:          9661           9661           0.22         155.80       18112.10        2046655        8628182           0.10       11255.37    11704427.71
                       btrfs-extent-00-R:             0              0           0.00           0.00           0.00              4             36           0.11           0.60           7.89
                       -----------------
                         btrfs-extent-00           9655          [<ffffffff8133eb7f>] btrfs_try_tree_write_lock+0x4f/0xc0
                         btrfs-extent-00              6          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                       -----------------
                         btrfs-extent-00           9661          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0

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

                    &delayed_node->mutex:          8105           8105           6.18       35146.85      559341.93        6679285       60188361           0.14     1065280.70   304281043.93
                    --------------------
                    &delayed_node->mutex            399          [<ffffffff813588cd>] btrfs_insert_delayed_dir_index+0x10d/0x270
                    &delayed_node->mutex           3048          [<ffffffff81356b3f>] __btrfs_release_delayed_node+0x4f/0x210
                    &delayed_node->mutex           3263          [<ffffffff813592a8>] btrfs_delayed_update_inode+0x48/0x660
                    &delayed_node->mutex            785          [<ffffffff813579a3>] btrfs_insert_delayed_items+0x43/0x460
                    --------------------
                    &delayed_node->mutex            307          [<ffffffff813579a3>] btrfs_insert_delayed_items+0x43/0x460
                    &delayed_node->mutex           2943          [<ffffffff813592a8>] btrfs_delayed_update_inode+0x48/0x660
                    &delayed_node->mutex            749          [<ffffffff81356b3f>] __btrfs_release_delayed_node+0x4f/0x210
                    &delayed_node->mutex             47          [<ffffffff813588cd>] btrfs_insert_delayed_dir_index+0x10d/0x270

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

             &(&root->inode_lock)->rlock:          8011           8023           0.23         146.29       14144.49         484375        3872662           0.11         229.61     3110078.87
             ---------------------------
             &(&root->inode_lock)->rlock           3292          [<ffffffff81356f0c>] btrfs_get_or_create_delayed_node+0x12c/0x1e0
             &(&root->inode_lock)->rlock           3815          [<ffffffff81356d7c>] btrfs_get_delayed_node+0x7c/0xe0
             &(&root->inode_lock)->rlock            353          [<ffffffff81356bc9>] __btrfs_release_delayed_node+0xd9/0x210
             &(&root->inode_lock)->rlock            303          [<ffffffff813117fc>] inode_tree_add+0x6c/0x1a0
             ---------------------------
             &(&root->inode_lock)->rlock           2993          [<ffffffff81356d7c>] btrfs_get_delayed_node+0x7c/0xe0
             &(&root->inode_lock)->rlock           1878          [<ffffffff81356f0c>] btrfs_get_or_create_delayed_node+0x12c/0x1e0
             &(&root->inode_lock)->rlock           2267          [<ffffffff813117fc>] inode_tree_add+0x6c/0x1a0
             &(&root->inode_lock)->rlock            341          [<ffffffff8131dd77>] btrfs_destroy_inode+0x117/0x2f0

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

        &(&mapping->private_lock)->rlock:          7646           7666           0.24         150.55        8611.40        1215406        2802144           0.11         258.99     1217096.70
        --------------------------------
        &(&mapping->private_lock)->rlock           4623          [<ffffffff8132b3be>] alloc_extent_buffer+0x15e/0x480
        &(&mapping->private_lock)->rlock           3043          [<ffffffff81325b31>] btrfs_release_extent_buffer_page.clone.36+0xd1/0x140
        --------------------------------
        &(&mapping->private_lock)->rlock           3423          [<ffffffff8132b3be>] alloc_extent_buffer+0x15e/0x480
        &(&mapping->private_lock)->rlock           4243          [<ffffffff81325b31>] btrfs_release_extent_buffer_page.clone.36+0xd1/0x140

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

                &(&workers->lock)->rlock:          6748           6765           0.19          11.66        6860.15         623736        6099149           0.11         309.91     1945091.76
                ------------------------
                &(&workers->lock)->rlock           6002          [<ffffffff81337520>] btrfs_queue_worker+0x50/0x330
                &(&workers->lock)->rlock            159          [<ffffffff81337ba9>] worker_loop+0x3a9/0x5a0
                &(&workers->lock)->rlock              5          [<ffffffff81337a8e>] worker_loop+0x28e/0x5a0
                &(&workers->lock)->rlock            598          [<ffffffff81337761>] btrfs_queue_worker+0x291/0x330
                ------------------------
                &(&workers->lock)->rlock              8          [<ffffffff81337a8e>] worker_loop+0x28e/0x5a0
                &(&workers->lock)->rlock            167          [<ffffffff81337ba9>] worker_loop+0x3a9/0x5a0
                &(&workers->lock)->rlock           6035          [<ffffffff81337520>] btrfs_queue_worker+0x50/0x330
                &(&workers->lock)->rlock              1          [<ffffffff81337b37>] worker_loop+0x337/0x5a0

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

               &(&zone->lru_lock)->rlock:          5626           5635           0.27          12.50        8316.20        1345394        3446708           0.11         288.42     2485393.71
               -------------------------
               &(&zone->lru_lock)->rlock           5165          [<ffffffff81106e5f>] pagevec_lru_move_fn+0xaf/0x120
               &(&zone->lru_lock)->rlock            470          [<ffffffff81106cf8>] release_pages+0x158/0x210
               -------------------------
               &(&zone->lru_lock)->rlock           5235          [<ffffffff81106e5f>] pagevec_lru_move_fn+0xaf/0x120
               &(&zone->lru_lock)->rlock            400          [<ffffffff81106cf8>] release_pages+0x158/0x210

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

                        rcu_node_level_0:          2646           2715           0.25          55.37        7339.67          66811         133706           0.10          12.73       83752.84
                        ----------------
                        rcu_node_level_0            171          [<ffffffff810c650f>] force_quiescent_state+0x18f/0x2f0
                        rcu_node_level_0           1315          [<ffffffff810c6c48>] rcu_process_callbacks+0x328/0x530
                        rcu_node_level_0            768          [<ffffffff810c570f>] rcu_report_qs_rnp+0x5f/0x210
                        rcu_node_level_0              5          [<ffffffff810c584b>] rcu_report_qs_rnp+0x19b/0x210
                        ----------------
                        rcu_node_level_0            718          [<ffffffff810c570f>] rcu_report_qs_rnp+0x5f/0x210
                        rcu_node_level_0           1564          [<ffffffff810c6c48>] rcu_process_callbacks+0x328/0x530
                        rcu_node_level_0            278          [<ffffffff810c650f>] force_quiescent_state+0x18f/0x2f0
                        rcu_node_level_0             73          [<ffffffff810c6468>] force_quiescent_state+0xe8/0x2f0

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

                &(&wb->list_lock)->rlock:          1370           1370           0.30       26342.82      113892.84         273442        2434927           0.09       26362.81     2161473.66
                ------------------------
                &(&wb->list_lock)->rlock           1222          [<ffffffff8117357d>] __mark_inode_dirty+0x14d/0x230
                &(&wb->list_lock)->rlock            144          [<ffffffff81173c0a>] writeback_sb_inodes+0x28a/0x3c0
                &(&wb->list_lock)->rlock              4          [<ffffffff81175bc0>] inode_wb_list_del+0x40/0x90
                ------------------------
                &(&wb->list_lock)->rlock             38          [<ffffffff81173e60>] wb_writeback+0x50/0x2d0
                &(&wb->list_lock)->rlock            758          [<ffffffff81173c0a>] writeback_sb_inodes+0x28a/0x3c0
                &(&wb->list_lock)->rlock            567          [<ffffffff8117357d>] __mark_inode_dirty+0x14d/0x230
                &(&wb->list_lock)->rlock              1          [<ffffffff81071c77>] __cond_resched_lock+0x57/0xa0

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

   &(&fs_info->delayed_iput_lock)->rlock:          1206           1212           0.25          43.54        1016.14         469675        2736234           0.10         264.44      691282.93
   -------------------------------------
   &(&fs_info->delayed_iput_lock)->rlock           1212          [<ffffffff813153e2>] btrfs_run_delayed_iputs+0x42/0x130
   -------------------------------------
   &(&fs_info->delayed_iput_lock)->rlock           1212          [<ffffffff813153e2>] btrfs_run_delayed_iputs+0x42/0x130

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

                   &(&base->lock)->rlock:          1095           1095           0.23          12.12        1008.95         169841       10001435           0.10         241.79     4201092.16
                   ---------------------
                   &(&base->lock)->rlock             30          [<ffffffff8104e4a4>] run_timer_softirq+0x44/0x3f0
                   &(&base->lock)->rlock           1040          [<ffffffff8104dafb>] lock_timer_base.clone.28+0x3b/0x70
                   &(&base->lock)->rlock             22          [<ffffffff8104e8fb>] add_timer_on+0x5b/0xf0
                   &(&base->lock)->rlock              3          [<ffffffff8104e659>] run_timer_softirq+0x1f9/0x3f0
                   ---------------------
                   &(&base->lock)->rlock             30          [<ffffffff8104e8fb>] add_timer_on+0x5b/0xf0
                   &(&base->lock)->rlock           1040          [<ffffffff8104dafb>] lock_timer_base.clone.28+0x3b/0x70
                   &(&base->lock)->rlock             23          [<ffffffff8104e4a4>] run_timer_softirq+0x44/0x3f0
                   &(&base->lock)->rlock              2          [<ffffffff8104e659>] run_timer_softirq+0x1f9/0x3f0

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

                         dcache_lru_lock:           813            813           0.32          51.13        1298.73         107667        1109360           0.11      282933.19      623547.18
                         ---------------
                         dcache_lru_lock            813          [<ffffffff811625fd>] dput+0x17d/0x1d0
                         ---------------
                         dcache_lru_lock            813          [<ffffffff811625fd>] dput+0x17d/0x1d0

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

                      inode_sb_list_lock:           496            496           0.33           7.09         500.42         325373        3452806           0.10         772.67     2029142.61
                      ------------------
                      inode_sb_list_lock            264          [<ffffffff8116471d>] inode_sb_list_add+0x1d/0x70
                      inode_sb_list_lock             90          [<ffffffff811657bf>] evict+0x6f/0x1c0
                      inode_sb_list_lock            142          [<ffffffff8117470e>] sync_inodes_sb+0x21e/0x290
                      ------------------
                      inode_sb_list_lock            308          [<ffffffff8116471d>] inode_sb_list_add+0x1d/0x70
                      inode_sb_list_lock             98          [<ffffffff8117470e>] sync_inodes_sb+0x21e/0x290
                      inode_sb_list_lock             90          [<ffffffff811657bf>] evict+0x6f/0x1c0

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

             &(&dentry->d_lock)->rlock/1:           441            441           0.28           7.50         503.65         877757        2218602           0.11         215.43      876960.58
             ---------------------------
             &(&dentry->d_lock)->rlock/1            441          [<ffffffff81155f9e>] unlazy_walk+0x9e/0x250
             ---------------------------
             &(&dentry->d_lock)->rlock/1            438          [<ffffffff811624b2>] dput+0x32/0x1d0
             &(&dentry->d_lock)->rlock/1              3          [<ffffffff81155f9e>] unlazy_walk+0x9e/0x250

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

                                   key#5:           417            417           0.28           6.01         299.84         452552        2059448           0.10         281.80      603705.96
                                   -----
                                   key#5            417          [<ffffffff813ccae0>] __percpu_counter_add+0x50/0x80
                                   -----
                                   key#5            417          [<ffffffff813ccae0>] __percpu_counter_add+0x50/0x80

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

                   &(&zone->lock)->rlock:           347            348           0.49         641.75       11212.31         158697         974510           0.12         291.26     1665287.51
                   ---------------------
                   &(&zone->lock)->rlock             45          [<ffffffff81101871>] get_page_from_freelist+0x741/0x7b0
                   &(&zone->lock)->rlock             65          [<ffffffff81101573>] get_page_from_freelist+0x443/0x7b0
                   &(&zone->lock)->rlock            172          [<ffffffff81102c05>] __free_pages_ok+0xb5/0x4e0
                   &(&zone->lock)->rlock             66          [<ffffffff81102144>] free_pcppages_bulk+0x34/0x400
                   ---------------------
                   &(&zone->lock)->rlock             96          [<ffffffff81101573>] get_page_from_freelist+0x443/0x7b0
                   &(&zone->lock)->rlock            152          [<ffffffff81102c05>] __free_pages_ok+0xb5/0x4e0
                   &(&zone->lock)->rlock             24          [<ffffffff81101871>] get_page_from_freelist+0x741/0x7b0
                   &(&zone->lock)->rlock             76          [<ffffffff81102144>] free_pcppages_bulk+0x34/0x400

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

                                pci_lock:           346            347           0.60          17.08        1300.26           9710          18977           1.24          32.70       82531.64
                                --------
                                pci_lock            347          [<ffffffff813d2f82>] pci_bus_read_config_word+0x42/0x90
                                --------
                                pci_lock            347          [<ffffffff813d2f82>] pci_bus_read_config_word+0x42/0x90

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

              &sb->s_type->i_mutex_key#1:           288            288          11.28       28830.49      184009.61         339158       17293557           6.79    85994532.93  9179416162.10
              --------------------------
              &sb->s_type->i_mutex_key#1            288          [<ffffffff81159c8e>] do_last+0x32e/0xe60
              --------------------------
              &sb->s_type->i_mutex_key#1            213          [<ffffffff81159c8e>] do_last+0x32e/0xe60
              &sb->s_type->i_mutex_key#1             75          [<ffffffff81158b86>] do_unlinkat+0xa6/0x1b0

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

            &sb->s_type->i_mutex_key#1/1:           241            242          19.60       10569.09      143129.52         106575         109920          22.13       86233.23   102013155.47
            ----------------------------
            &sb->s_type->i_mutex_key#1/1            242          [<ffffffff81158b86>] do_unlinkat+0xa6/0x1b0
            ----------------------------
            &sb->s_type->i_mutex_key#1/1            171          [<ffffffff81159c8e>] do_last+0x32e/0xe60
            &sb->s_type->i_mutex_key#1/1             71          [<ffffffff81158b86>] do_unlinkat+0xa6/0x1b0

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

                    zone->wait_table + i:           230            230           0.42          14.19         462.93         427290         566633           0.11         267.83     1432851.63
                    --------------------
                    zone->wait_table + i            148          [<ffffffff8106e892>] __wake_up+0x32/0x70
                    zone->wait_table + i             80          [<ffffffff81063531>] finish_wait+0x41/0x80
                    zone->wait_table + i              2          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90
                    --------------------
                    zone->wait_table + i             61          [<ffffffff81063531>] finish_wait+0x41/0x80
                    zone->wait_table + i            168          [<ffffffff8106e892>] __wake_up+0x32/0x70
                    zone->wait_table + i              1          [<ffffffff8106359a>] prepare_to_wait_exclusive+0x2a/0x90

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

                         tasklist_lock-W:           186            202           0.58        1076.91       19454.95            405            931           0.11          33.13        2880.80
                         tasklist_lock-R:             0              0           0.00           0.00           0.00            106           1153           0.16           8.85        1450.82
                         ---------------
                           tasklist_lock             79          [<ffffffff81043813>] do_exit+0x203/0x940
                           tasklist_lock             66          [<ffffffff81041f7a>] release_task+0x7a/0x4e0
                           tasklist_lock             56          [<ffffffff81043ab8>] do_exit+0x4a8/0x940
                           tasklist_lock              1          [<ffffffff8103c1db>] copy_process+0xbeb/0x13a0
                         ---------------
                           tasklist_lock            108          [<ffffffff81041f7a>] release_task+0x7a/0x4e0
                           tasklist_lock             33          [<ffffffff81043ab8>] do_exit+0x4a8/0x940
                           tasklist_lock             60          [<ffffffff81043813>] do_exit+0x203/0x940
                           tasklist_lock              1          [<ffffffff81055009>] sys_setpriority+0x89/0x2f0

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

             &(&sighand->siglock)->rlock:           137            141           0.32          29.40         534.52            554           1370           0.08          14.29        1708.66
             ---------------------------
             &(&sighand->siglock)->rlock             28          [<ffffffff810ca1c3>] taskstats_exit+0x233/0x3c0
             &(&sighand->siglock)->rlock             52          [<ffffffff81053688>] exit_signals+0x88/0x150
             &(&sighand->siglock)->rlock             23          [<ffffffff81041fda>] release_task+0xda/0x4e0
             &(&sighand->siglock)->rlock             38          [<ffffffff810a10a3>] acct_collect+0x193/0x1b0
             ---------------------------
             &(&sighand->siglock)->rlock             30          [<ffffffff81053688>] exit_signals+0x88/0x150
             &(&sighand->siglock)->rlock             28          [<ffffffff810a10a3>] acct_collect+0x193/0x1b0
             &(&sighand->siglock)->rlock             69          [<ffffffff81041fda>] release_task+0xda/0x4e0
             &(&sighand->siglock)->rlock             14          [<ffffffff810ca1c3>] taskstats_exit+0x233/0x3c0

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

                         &mm->mmap_sem-W:            62             66           0.50        1690.35       15911.57           5186          45848           0.11        1612.36      599042.41
                         &mm->mmap_sem-R:            33             67           2.75        1793.47        9494.29            440          91138           0.14        5761.24      310791.70
                         ---------------
                           &mm->mmap_sem             64          [<ffffffff8169c3bf>] do_page_fault+0x1ef/0x4e0
                           &mm->mmap_sem              5          [<ffffffff81124286>] vm_munmap+0x46/0x80
                           &mm->mmap_sem              2          [<ffffffff81115a34>] vm_mmap_pgoff+0x54/0xa0
                           &mm->mmap_sem             59          [<ffffffff81125f95>] sys_mprotect+0xd5/0x1e0
                         ---------------
                           &mm->mmap_sem              5          [<ffffffff81115a34>] vm_mmap_pgoff+0x54/0xa0
                           &mm->mmap_sem              4          [<ffffffff8169c3bf>] do_page_fault+0x1ef/0x4e0
                           &mm->mmap_sem              7          [<ffffffff81124286>] vm_munmap+0x46/0x80
                           &mm->mmap_sem              2          [<ffffffff81124663>] sys_brk+0x43/0x130

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

            &(&root->orphan_lock)->rlock:           115            116           0.31           6.01         121.55         154275         217850           0.12         265.66      157093.28
            ----------------------------
            &(&root->orphan_lock)->rlock             45          [<ffffffff81315639>] btrfs_orphan_add+0x59/0x190
            &(&root->orphan_lock)->rlock             71          [<ffffffff813157b9>] btrfs_orphan_del+0x49/0xf0
            ----------------------------
            &(&root->orphan_lock)->rlock             65          [<ffffffff81315639>] btrfs_orphan_add+0x59/0x190
            &(&root->orphan_lock)->rlock             51          [<ffffffff813157b9>] btrfs_orphan_del+0x49/0xf0

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

                   &root->objectid_mutex:            99             99           7.70         118.96        2346.36         216530        1218273           0.15         277.30      569868.68
                   ---------------------
                   &root->objectid_mutex             99          [<ffffffff81305a88>] btrfs_find_free_objectid+0x38/0x160
                   ---------------------
                   &root->objectid_mutex             99          [<ffffffff81305a88>] btrfs_find_free_objectid+0x38/0x160

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

          &(&mm->page_table_lock)->rlock:            93             96           0.68          34.76         483.42           7906         118435           0.11         576.86       98314.38
          ------------------------------
          &(&mm->page_table_lock)->rlock             27          [<ffffffff8111e8f9>] handle_pte_fault+0x729/0x8c0
          &(&mm->page_table_lock)->rlock             15          [<ffffffff8111e2cb>] handle_pte_fault+0xfb/0x8c0
          &(&mm->page_table_lock)->rlock              1          [<ffffffff81128729>] anon_vma_prepare+0xa9/0x1a0
          &(&mm->page_table_lock)->rlock             53          [<ffffffff8111d176>] unmap_single_vma+0x2a6/0x6e0
          ------------------------------
          &(&mm->page_table_lock)->rlock             17          [<ffffffff8111e8f9>] handle_pte_fault+0x729/0x8c0
          &(&mm->page_table_lock)->rlock             26          [<ffffffff8111e2cb>] handle_pte_fault+0xfb/0x8c0
          &(&mm->page_table_lock)->rlock             53          [<ffffffff8111d176>] unmap_single_vma+0x2a6/0x6e0

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

                         inode_hash_lock:            96             96           0.31          41.10         160.42         324648        1353997           0.11         241.50     1207937.38
                         ---------------
                         inode_hash_lock             17          [<ffffffff811662dc>] iget_locked+0xdc/0x1b0
                         inode_hash_lock             45          [<ffffffff811645dc>] __remove_inode_hash+0x2c/0x90
                         inode_hash_lock             25          [<ffffffff811646aa>] __insert_inode_hash+0x6a/0xc0
                         inode_hash_lock              9          [<ffffffff8116626f>] iget_locked+0x6f/0x1b0
                         ---------------
                         inode_hash_lock             39          [<ffffffff811646aa>] __insert_inode_hash+0x6a/0xc0
                         inode_hash_lock              4          [<ffffffff811662dc>] iget_locked+0xdc/0x1b0
                         inode_hash_lock              4          [<ffffffff8116626f>] iget_locked+0x6f/0x1b0
                         inode_hash_lock             49          [<ffffffff811645dc>] __remove_inode_hash+0x2c/0x90

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

            &(&bp->indirect_lock)->rlock:            76             77           0.58           5.65         167.37           1711           4046           0.12          45.14        4913.49
            ----------------------------
            &(&bp->indirect_lock)->rlock             38          [<ffffffffa02f9a1e>] bnx2_reg_rd_ind+0x2e/0x60 [bnx2]
            &(&bp->indirect_lock)->rlock             39          [<ffffffffa02fc498>] bnx2_send_heart_beat+0x28/0x70 [bnx2]
            ----------------------------
            &(&bp->indirect_lock)->rlock             40          [<ffffffffa02f9a1e>] bnx2_reg_rd_ind+0x2e/0x60 [bnx2]
            &(&bp->indirect_lock)->rlock             37          [<ffffffffa02fc498>] bnx2_send_heart_beat+0x28/0x70 [bnx2]

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

              &fs_info->transaction_wait:            56             65           0.61          59.08         605.28            188            221           0.11          67.11         653.70
              --------------------------
              &fs_info->transaction_wait             34          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90
              &fs_info->transaction_wait             31          [<ffffffff81063531>] finish_wait+0x41/0x80
              --------------------------
              &fs_info->transaction_wait             32          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90
              &fs_info->transaction_wait             19          [<ffffffff8106e892>] __wake_up+0x32/0x70
              &fs_info->transaction_wait             14          [<ffffffff81063531>] finish_wait+0x41/0x80

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

               &sb->s_type->i_lock_key#1:            39             40           0.40           9.72          54.31        5163332       53402108           0.08         328.06     9065354.18
               -------------------------
               &sb->s_type->i_lock_key#1             26          [<ffffffff811649a8>] igrab+0x28/0x70
               &sb->s_type->i_lock_key#1             14          [<ffffffff8114f47e>] inode_add_bytes+0x2e/0xa0
               -------------------------
               &sb->s_type->i_lock_key#1             26          [<ffffffff8114f47e>] inode_add_bytes+0x2e/0xa0
               &sb->s_type->i_lock_key#1             14          [<ffffffff811649a8>] igrab+0x28/0x70

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

                   &fs_info->reloc_mutex:            24             24          15.22         173.99         997.02             62             64           0.72       56563.21      330929.28
                   ---------------------
                   &fs_info->reloc_mutex             24          [<ffffffff8130e5f9>] btrfs_record_root_in_trans+0x49/0x90
                   ---------------------
                   &fs_info->reloc_mutex             24          [<ffffffff8130e5f9>] btrfs_record_root_in_trans+0x49/0x90

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

                      &(&t->lock)->rlock:            12             12           0.42           6.66          20.21        3912411       22457910           0.11         301.59     5391335.45
                      ------------------
                      &(&t->lock)->rlock              2          [<ffffffff813249dd>] btrfs_lookup_first_ordered_extent+0x3d/0xd0
                      &(&t->lock)->rlock              7          [<ffffffff81323fbc>] btrfs_dec_test_ordered_pending+0x4c/0x1e0
                      &(&t->lock)->rlock              1          [<ffffffff81324e0d>] btrfs_ordered_update_i_size+0x5d/0x280
                      &(&t->lock)->rlock              2          [<ffffffff81323d2e>] btrfs_add_ordered_sum+0x2e/0x70
                      ------------------
                      &(&t->lock)->rlock              1          [<ffffffff81324e0d>] btrfs_ordered_update_i_size+0x5d/0x280
                      &(&t->lock)->rlock              6          [<ffffffff81323d2e>] btrfs_add_ordered_sum+0x2e/0x70
                      &(&t->lock)->rlock              1          [<ffffffff813249dd>] btrfs_lookup_first_ordered_extent+0x3d/0xd0
                      &(&t->lock)->rlock              2          [<ffffffff81323fbc>] btrfs_dec_test_ordered_pending+0x4c/0x1e0

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

                  &root->log_writer_wait:            12             12           0.88           3.11          24.62          11731          11854           0.12          43.20       43003.81
                  ----------------------
                  &root->log_writer_wait             12          [<ffffffff81063531>] finish_wait+0x41/0x80
                  ----------------------
                  &root->log_writer_wait             12          [<ffffffff8106e892>] __wake_up+0x32/0x70

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

                &fs_info->tree_log_mutex:             8              8     2827535.06     9916327.93    36835358.87             28             28          34.66     9916407.95    41679834.78
                ------------------------
                &fs_info->tree_log_mutex              8          [<ffffffff813453a9>] btrfs_log_inode_parent+0x3c9/0x4d0
                ------------------------
                &fs_info->tree_log_mutex              8          [<ffffffff8130f200>] btrfs_commit_transaction+0x620/0xb20

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

                                   key#6:             6              6           0.39           1.19           4.61          28492         361843           0.10          54.69       75536.63
                                   -----
                                   key#6              6          [<ffffffff813ccae0>] __percpu_counter_add+0x50/0x80
                                   -----
                                   key#6              6          [<ffffffff813ccae0>] __percpu_counter_add+0x50/0x80

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

              &sb->s_type->i_mutex_key#7:             2              2          22.68          28.01          50.69             35            256           0.18          18.75         194.93
              --------------------------
              &sb->s_type->i_mutex_key#7              1          [<ffffffff8115434e>] pipe_read+0x8e/0x510
              &sb->s_type->i_mutex_key#7              1          [<ffffffff81153d6a>] pipe_write+0x7a/0x5d0
              --------------------------
              &sb->s_type->i_mutex_key#7              1          [<ffffffff81153d6a>] pipe_write+0x7a/0x5d0
              &sb->s_type->i_mutex_key#7              1          [<ffffffff8115434e>] pipe_read+0x8e/0x510

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

                                   key#7:             2              2           0.74           1.25           1.99          19392         181491           0.10          15.52       38249.99
                                   -----
                                   key#7              2          [<ffffffff813ccae0>] __percpu_counter_add+0x50/0x80
                                   -----
                                   key#7              2          [<ffffffff813ccae0>] __percpu_counter_add+0x50/0x80

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

                        &input_pool.lock:             2              2           0.80          37.44          38.24            366         141646           0.11          50.54       41439.11
                        ----------------
                        &input_pool.lock              1          [<ffffffff81465fa9>] mix_pool_bytes.clone.7+0x49/0xb0
                        &input_pool.lock              1          [<ffffffff81465c99>] account+0x39/0x140
                        ----------------
                        &input_pool.lock              1          [<ffffffff81465fa9>] mix_pool_bytes.clone.7+0x49/0xb0
                        &input_pool.lock              1          [<ffffffff81465ded>] extract_buf+0x4d/0x1a0

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

                         &sem->wait_lock:             1              1         460.87         460.87         460.87            197            252           0.14         480.91        1561.40
                         ---------------
                         &sem->wait_lock              1          [<ffffffff81697e86>] rwsem_down_failed_common+0x46/0x160
                         ---------------
                         &sem->wait_lock              1          [<ffffffff813b5fd3>] rwsem_wake+0x23/0x60

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

                             &pipe->wait:             1              1           0.89           0.89           0.89            162           4500           0.11          17.16        1079.72
                             -----------
                             &pipe->wait              1          [<ffffffff8106e7f7>] __wake_up_sync_key+0x37/0x80
                             -----------
                             &pipe->wait              1          [<ffffffff810636b1>] remove_wait_queue+0x21/0x70

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

                    &irq_desc_lock_class:             1              1           7.85           7.85           7.85            871        2739853           0.10         220.34      727018.00
                    --------------------
                    &irq_desc_lock_class              1          [<ffffffff810bec93>] handle_irq_event+0x53/0x70
                    --------------------
                    &irq_desc_lock_class              1          [<ffffffff810c4305>] show_interrupts+0x125/0x310

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

                           &tree->lock-W:             1              1           0.66           0.66           0.66        1267010        3723641           0.11         433.56     1197205.46
                           &tree->lock-R:             0              0           0.00           0.00           0.00        2592635       33683745           0.11         303.92     6385451.31
                           -------------
                             &tree->lock              1          [<ffffffff81331b3c>] __btrfs_alloc_chunk+0x46c/0x740
                           -------------
                             &tree->lock              1          [<ffffffff81330046>] __btrfs_map_block+0x36/0x670

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

                             sysfs_mutex:             0              0           0.00           0.00           0.00             12         207765           0.15          64.92       47523.13
                        shrinker_rwsem-R:             0              0           0.00           0.00           0.00              0            218          17.69      379259.57      387219.49
                                 sb_lock:             0              0           0.00           0.00           0.00            304          15246           0.10           5.94        3575.88
                                pgd_lock:             0              0           0.00           0.00           0.00             27             38           0.19           6.69          43.77
                              &x->wait#2:             0              0           0.00           0.00           0.00              9             18           0.14           0.87           8.40
                        &namespace_sem-R:             0              0           0.00           0.00           0.00              0              9           0.21          71.09         249.75
                &rcu_sched_state.fqslock:             0              0           0.00           0.00           0.00              0          13947           0.10         201.02      132282.44
                     file_systems_lock-R:             0              0           0.00           0.00           0.00              1              2          14.54          18.49          33.03
              &rcu_sched_state.onofflock:             0              0           0.00           0.00           0.00           8580          14839           1.65          44.03      108070.58
                &(&stopper->lock)->rlock:             0              0           0.00           0.00           0.00             68            129           0.12          11.29         242.37
                              xtime_lock:             0              0           0.00           0.00           0.00              0         105633           1.42         209.73     1431842.72
              &sb->s_type->i_mutex_key#4:             0              0           0.00           0.00           0.00              6             18           1.68          14.47         140.01
                   &(&gcwq->lock)->rlock:             0              0           0.00           0.00           0.00            190         155835           0.17         215.79      698432.43
                                &x->wait:             0              0           0.00           0.00           0.00             90            144           0.12          19.42         310.60
                     kthread_create_lock:             0              0           0.00           0.00           0.00             78            120           0.11           1.21          55.75
                           watchdog_lock:             0              0           0.00           0.00           0.00           2113           2113           3.39          25.24       18119.33
                  random_write_wait.lock:             0              0           0.00           0.00           0.00             11            206           0.12           2.05          34.38
                &(&p->alloc_lock)->rlock:             0              0           0.00           0.00           0.00            429           1683           0.08          13.73        2010.06
                             pidmap_lock:             0              0           0.00           0.00           0.00            248            473           0.26           6.49         339.09
                             &p->pi_lock:             0              0           0.00           0.00           0.00       50248000       99191809           0.10        2370.34   261634887.69
                           vmlist_lock-R:             0              0           0.00           0.00           0.00              0              2           5.36          14.24          19.60
                         pci_config_lock:             0              0           0.00           0.00           0.00           9710          18977           1.02          11.10       33383.75
                                  &timer:             0              0           0.00           0.00           0.00              0        2759281           0.07          31.56      297530.29
                            sb_writers-R:             0              0           0.00           0.00           0.00              0             18           2.64          16.68         182.40
                                     key:             0              0           0.00           0.00           0.00             52           1030           0.10           4.97         208.56
                                events-R:             0              0           0.00           0.00           0.00              0          50847           2.67         251.16      541177.29
                         &cpu_base->lock:             0              0           0.00           0.00           0.00            275       10146703           0.12         273.30    54501303.70
               &sb->s_type->i_lock_key#9:             0              0           0.00           0.00           0.00              5             56           0.10           1.59          19.91
                               bdev_lock:             0              0           0.00           0.00           0.00              0              2           4.38          19.71          24.09
                &type->i_mutex_dir_key#2:             0              0           0.00           0.00           0.00             23            321           0.66          77.99        5178.76
                               tty_mutex:             0              0           0.00           0.00           0.00              0              6           0.69           3.99           9.47
                              &tbl->lock:             0              0           0.00           0.00           0.00              0           1289           0.11          57.30        1380.38
                          files_lglock-R:             0              0           0.00           0.00           0.00              0        3373976           0.08         224.81      482473.49
                  &mapping->i_mmap_mutex:             0              0           0.00           0.00           0.00            177            900           0.15           6.21         469.53
                   &fsnotify_mark_srcu-R:             0              0           0.00           0.00           0.00              0       15750729           0.07         265.92     1219069.86
                     &sig->group_rwsem-R:             0              0           0.00           0.00           0.00            228            423           0.27          32.08        1417.60
                                bdi_lock:             0              0           0.00           0.00           0.00              0              4          13.62          25.96          86.44
                               balancing:             0              0           0.00           0.00           0.00              0        1135822           0.07         257.29     1317490.00
                      call_function.lock:             0              0           0.00           0.00           0.00          10768          10894           0.11          18.56       19807.64
                             sysctl_lock:             0              0           0.00           0.00           0.00              2             33           0.11           0.47           5.68
                          &port_lock_key:             0              0           0.00           0.00           0.00              3             13           0.12          21.22          77.81
                      nl_table_wait.lock:             0              0           0.00           0.00           0.00              0             86           0.11           1.36          19.21
                         nl_table_lock-R:             0              0           0.00           0.00           0.00              0             86           0.11           1.25          24.99
               &sb->s_type->i_lock_key#8:             0              0           0.00           0.00           0.00              2            119           0.09           1.07          29.52
                        proc_subdir_lock:             0              0           0.00           0.00           0.00             17           8933           0.14          71.44        8872.71
               &sb->s_type->i_lock_key#4:             0              0           0.00           0.00           0.00              2         103724           0.08           9.17       16759.07
                            &port->mutex:             0              0           0.00           0.00           0.00              2              3           1.62           2.31           5.69
                   &(&uhci->lock)->rlock:             0              0           0.00           0.00           0.00              0           4225           7.30          22.97       48343.77
         &(&ent->pde_unload_lock)->rlock:             0              0           0.00           0.00           0.00            261          24178           0.10           0.94        2999.74
                           &ndev->lock-R:             0              0           0.00           0.00           0.00              0             45           0.13           1.07          22.30
                 &(&mc->mca_lock)->rlock:             0              0           0.00           0.00           0.00              0             15           0.26           0.39           4.47
                      rcu_read_lock_bh-R:             0              0           0.00           0.00           0.00              0            228           0.08           7.24         186.27
                    addrconf_verify_lock:             0              0           0.00           0.00           0.00              0             15           2.78           3.93          47.43
                             &vha->timer:             0              0           0.00           0.00           0.00              0          18977           1.72          64.43      171052.32
                               cdev_lock:             0              0           0.00           0.00           0.00              2              4           0.42           1.06           3.14
                           big_tty_mutex:             0              0           0.00           0.00           0.00              0              8           0.11           6.53          18.62
                     &tty->termios_mutex:             0              0           0.00           0.00           0.00              0              1           0.59           0.59           0.59
                        &tty->write_wait:             0              0           0.00           0.00           0.00              2              7           0.11           0.70           1.72
                          tty_files_lock:             0              0           0.00           0.00           0.00              0              8           0.11           0.48           1.84
                            &ld->wq_idle:             0              0           0.00           0.00           0.00              2              2           0.57           0.67           1.25
                   &(&port->lock)->rlock:             0              0           0.00           0.00           0.00              0              4           0.12           0.33           0.85
                      &(&i->lock)->rlock:             0              0           0.00           0.00           0.00              0              4          16.31          24.81          84.30
                  &sig->cred_guard_mutex:             0              0           0.00           0.00           0.00              9              9         222.73       17902.18       35484.35
                        &anon_vma->mutex:             0              0           0.00           0.00           0.00           5458          82553           0.15          46.36       24359.04
                             rename_lock:             0              0           0.00           0.00           0.00              4             82           0.34           3.55          88.66
                         &mm->mmap_sem/1:             0              0           0.00           0.00           0.00              0              8          42.93         774.57        2622.61
        &(&mm->page_table_lock)->rlock/1:             0              0           0.00           0.00           0.00              0            202           0.14         206.55        1760.70
                 &type->s_umount_key#1-R:             0              0           0.00           0.00           0.00              2            224           0.11           1.07          63.91
                  &type->i_mutex_dir_key:             0              0           0.00           0.00           0.00             17           8828           3.03          24.67       44176.01
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              2            224           0.12           0.94          84.23
              &sb->s_type->i_mutex_key#6:             0              0           0.00           0.00           0.00             10            108           2.01          90.91        1836.28
                 &type->s_umount_key#3-R:             0              0           0.00           0.00           0.00              2            224           0.11           0.86          57.13
                                &p->lock:             0              0           0.00           0.00           0.00              0           5793           0.20         314.96       92489.05
                 &type->s_umount_key#1-R:             0              0           0.00           0.00           0.00              2            224           0.11           0.66          61.06
                 &type->s_umount_key#1-R:             0              0           0.00           0.00           0.00              2            224           0.12           0.82          86.34
            &sb->s_type->i_mutex_key#7/1:             0              0           0.00           0.00           0.00              2              2           1.28           4.03           5.31
                          sb_writers#3-R:             0              0           0.00           0.00           0.00              0              2           3.58           7.52          11.10
                 &tty->atomic_write_lock:             0              0           0.00           0.00           0.00              0              1          17.32          17.32          17.32
                         unix_table_lock:             0              0           0.00           0.00           0.00              6             28           0.12           2.15          14.16
                            &u->readlock:             0              0           0.00           0.00           0.00              6              6           6.58          17.39          85.44
                  sysfs_open_dirent_lock:             0              0           0.00           0.00           0.00             10          61965           0.11           2.03        7277.13
                          &buffer->mutex:             0              0           0.00           0.00           0.00              0          20655           1.01          77.93       58680.55
                               swap_lock:             0              0           0.00           0.00           0.00              0              2           0.43           0.67           1.10
                               uts_sem-R:             0              0           0.00           0.00           0.00              0              2           0.67           0.91           1.58
                               &wq->wait:             0              0           0.00           0.00           0.00             12             18           0.11          19.19          77.57
                          sb_writers#4-R:             0              0           0.00           0.00           0.00              0              9           0.53           2.44          13.28
                    &(&f->f_lock)->rlock:             0              0           0.00           0.00           0.00              0              3           0.24           1.42           2.70
                      &(&u->lock)->rlock:             0              0           0.00           0.00           0.00              6             28           0.12           5.68          41.47
      &af_unix_sk_receive_queue_lock_key:             0              0           0.00           0.00           0.00             14             36           0.11           1.16          12.77
                           &u->peer_wait:             0              0           0.00           0.00           0.00              8             18           0.12           0.80           5.84
                  &(&ioc->lock)->rlock/1:             0              0           0.00           0.00           0.00            195            201           0.14           0.80          69.06
                  &(&ioc->lock)->rlock#2:             0              0           0.00           0.00           0.00              0            201           0.11           0.43          28.83
                          &hcd->rh_timer:             0              0           0.00           0.00           0.00              0           4225           8.15          46.85       68133.91
                   random_read_wait.lock:             0              0           0.00           0.00           0.00           2739          23294           0.11           6.96        8048.09
        &(kretprobe_table_locks[i].lock):             0              0           0.00           0.00           0.00            227            228           0.12           5.84         164.76
               &sb->s_type->i_lock_key#3:             0              0           0.00           0.00           0.00             57            227           0.10           2.55          75.55
                            init_fs.lock:             0              0           0.00           0.00           0.00             30             62           0.11           1.50          28.75
                       mb_cache_spinlock:             0              0           0.00           0.00           0.00             56            218           0.21           1.02         145.63
                         &watchdog_timer:             0              0           0.00           0.00           0.00              0           2113           4.16          29.57       21592.27
                                   key#2:             0              0           0.00           0.00           0.00             58             59           0.35           5.65          64.43
                    &(&u->lock)->rlock/1:             0              0           0.00           0.00           0.00              4              4           0.09           0.11           0.41
                          sb_writers#7-R:             0              0           0.00           0.00           0.00              0            420           4.22         432.61        3732.74
                 &type->s_umount_key#1-R:             0              0           0.00           0.00           0.00              2            224           0.12           0.85          85.29
              &type->i_mutex_dir_key#3/1:             0              0           0.00           0.00           0.00              0              2          13.12          14.42          27.54
              &sb->s_type->i_mutex_key#9:             0              0           0.00           0.00           0.00              4              6           1.34           5.28          20.75
                       &tty->output_lock:             0              0           0.00           0.00           0.00              0              2           5.91           6.65          12.56
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              2            229           0.12         595.79        1388.48
          &(&s->s_inode_lru_lock)->rlock:             0              0           0.00           0.00           0.00              1              1           0.51           0.51           0.51
               &s->s_dquot.dqonoff_mutex:             0              0           0.00           0.00           0.00              2              4           0.16           2.36           4.58
              &sb->s_type->i_mutex_key#1:             0              0           0.00           0.00           0.00             16            418           3.89         316.52        3041.61
   &(&transaction->t_handle_lock)->rlock:             0              0           0.00           0.00           0.00             11            893           0.11           2.32         265.67
                              jbd_handle:             0              0           0.00           0.00           0.00              0            444           2.07         212.72        2366.41
                     &sbi->s_orphan_lock:             0              0           0.00           0.00           0.00              4              4           2.80          11.25          25.99
         &(&journal->j_list_lock)->rlock:             0              0           0.00           0.00           0.00             15            641           0.12          13.10         257.18
       &(&journal->j_revoke_lock)->rlock:             0              0           0.00           0.00           0.00              3              7           0.28           0.74           3.23
                &journal->j_wait_updates:             0              0           0.00           0.00           0.00             12            444           0.11           0.97          65.80
                     &ei->truncate_mutex:             0              0           0.00           0.00           0.00              6             10           0.76          96.65         129.68
           &(&bgl->locks[i].lock)->rlock:             0              0           0.00           0.00           0.00              6             12           0.12           0.66           3.65
         &(&sbi->s_next_gen_lock)->rlock:             0              0           0.00           0.00           0.00              2              2           0.63           0.69           1.32
                          file_lock_lock:             0              0           0.00           0.00           0.00              2              6           0.87           1.66           7.72
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              2            224           0.11           0.72          66.32
                    &(&ifa->lock)->rlock:             0              0           0.00           0.00           0.00              0             30           0.13           0.36           6.79
                         &tb->tb6_lock-W:             0              0           0.00           0.00           0.00              0            128           0.38          67.93         859.55
                         &tb->tb6_lock-R:             0              0           0.00           0.00           0.00              0             15           2.04           2.91          38.06
                      fib6_walker_lock-W:             0              0           0.00           0.00           0.00              0            140           0.11           0.74          27.66
                      fib6_walker_lock-R:             0              0           0.00           0.00           0.00              0             26           0.14           0.97           7.63
                           slock-AF_INET:             0              0           0.00           0.00           0.00              0              9           0.14           0.51           2.22
                           clock-AF_INET:             0              0           0.00           0.00           0.00              0              9           0.13           0.37           1.95
          &(&table->hash[i].lock)->rlock:             0              0           0.00           0.00           0.00              0            117           0.21           0.78          51.35
                        rt_uncached_lock:             0              0           0.00           0.00           0.00              0            135           0.19           0.80          49.53
                     edac_pci_ctls_mutex:             0              0           0.00           0.00           0.00            190            995           1.23          25.38        4971.07
                            s_active#4-R:             0              0           0.00           0.00           0.00              0          10080           0.57           6.52        7438.74
                            s_active#4-R:             0              0           0.00           0.00           0.00              0          20160           0.51          75.44       16867.35
                            s_active#4-R:             0              0           0.00           0.00           0.00              0           9870           0.31          65.10        6848.28
                           binfmt_lock-R:             0              0           0.00           0.00           0.00              7             19           0.15           0.81           8.19
                &journal->j_commit_timer:             0              0           0.00           0.00           0.00              0             10           0.08           9.21          34.22
     &journal->j_wait_transaction_locked:             0              0           0.00           0.00           0.00              5              5           0.34           0.85           2.67
                              &x->wait#1:             0              0           0.00           0.00           0.00              4              6           0.44           5.83          13.94
                            events_nrt-R:             0              0           0.00           0.00           0.00              0            105        1188.48        1450.98      127228.57
                 &dev->mode_config.mutex:             0              0           0.00           0.00           0.00              0            105        1185.63        1445.53      126689.33
             &dev->mode_config.idr_mutex:             0              0           0.00           0.00           0.00              0            105           0.52           5.41         196.60
                 &(&bp->phy_lock)->rlock:             0              0           0.00           0.00           0.00             22            969           0.59          64.96        6193.57
                             &ipmi_timer:             0              0           0.00           0.00           0.00              0           1054           2.35          20.07        6960.99
          &(&dev->tx_global_lock)->rlock:             0              0           0.00           0.00           0.00              0            211           3.79          26.35        2565.23
                           _xmit_ETHER#2:             0              0           0.00           0.00           0.00              0           1688           0.12           1.19         544.89
                 &(&list->lock)->rlock#2:             0              0           0.00           0.00           0.00              0           1688           0.11           4.86         677.41
                              &n->lock-W:             0              0           0.00           0.00           0.00              0            197           0.20           5.74         158.10
                              &n->lock-R:             0              0           0.00           0.00           0.00              0             30           0.19           3.09          20.91
                    &(&pci->work)->timer:             0              0           0.00           0.00           0.00              0            995           3.20          52.21       12151.15
                           edac-poller-R:             0              0           0.00           0.00           0.00              0            995           2.05          38.33        8120.40
                   (&(&pci->work)->work):             0              0           0.00           0.00           0.00              0            995           1.73          33.26        6876.35
      &(&intf->waiting_msgs_lock)->rlock:             0              0           0.00           0.00           0.00              0           1054           0.17           1.25         482.16
               &(&intf->seq_lock)->rlock:             0              0           0.00           0.00           0.00              0           1054           0.37           2.26         868.65
                              &bp->timer:             0              0           0.00           0.00           0.00              0           1055           3.44          23.10        8787.56
                            s_active#6-R:             0              0           0.00           0.00           0.00              0            588           0.35           1.47         410.82
                            s_active#6-R:             0              0           0.00           0.00           0.00              0            306           0.37           1.04         195.57
                            s_active#6-R:             0              0           0.00           0.00           0.00              0            306           0.61           1.10         230.02
                 &(&list->lock)->rlock#4:             0              0           0.00           0.00           0.00              0             30           0.11           0.73           6.61
                          icmp6_dst_lock:             0              0           0.00           0.00           0.00              0             35           0.32           2.10          33.66
                 &(&bdi->wb_lock)->rlock:             0              0           0.00           0.00           0.00             46            329           0.10          19.76         312.10
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              2            229           0.12         156.25         537.17
               &journal->j_wait_logspace:             0              0           0.00           0.00           0.00              5              5           0.25           0.93           2.29
          &(&(&n->ha_lock)->lock)->rlock:             0              0           0.00           0.00           0.00              0             10           0.14           0.18           1.55
                 mm/page-writeback.c:144:             0              0           0.00           0.00           0.00              0            352           4.88          25.99        4639.89
                    &dev->watchdog_timer:             0              0           0.00           0.00           0.00              0            211           4.21          31.88        2849.08
                               &pl->lock:             0              0           0.00           0.00           0.00            199            316           0.52          59.52        1071.18
   &(&dev->mode_config.output_poll_work):             0              0           0.00           0.00           0.00              0            105           2.11          20.36        1113.80
   (&(&dev->mode_config.output_poll_work:             0              0           0.00           0.00           0.00              0            105        1187.96        1449.07      127079.03
                 &(&tbl->gc_work)->timer:             0              0           0.00           0.00           0.00              0            141           0.90          23.46        1505.04
                (&(&tbl->gc_work)->work):             0              0           0.00           0.00           0.00              0            141           5.53          75.90        1813.13
                    &in_dev->mr_gq_timer:             0              0           0.00           0.00           0.00              0             18           1.25           3.29          39.45
                &net->ipv6.ip6_fib_timer:             0              0           0.00           0.00           0.00              0             35          14.70         103.59        1248.06
                            fib6_gc_lock:             0              0           0.00           0.00           0.00              0             35          13.48         100.15        1161.51
                        &ei->xattr_sem-R:             0              0           0.00           0.00           0.00              4             10           0.16           0.76           4.02
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              4            448           0.10           3.92         144.62
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              2            224           0.12           0.78          59.97
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              8            896           0.10           0.96         241.29
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              2            224           0.12           0.87          87.53
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              2            224           0.12           0.80          88.17
                 &type->s_umount_key#3-R:             0              0           0.00           0.00           0.00              2            224           0.12           5.43          92.05
                 &type->s_umount_key#3-R:             0              0           0.00           0.00           0.00              2            224           0.11           0.84          87.06
                              &x->wait#2:             0              0           0.00           0.00           0.00              6             12           0.13           7.08          22.34
                             fasync_lock:             0              0           0.00           0.00           0.00              0              2           0.46           0.66           1.12
                              rtnl_mutex:             0              0           0.00           0.00           0.00              2              9           0.90           4.55          18.86
                                   key#1:             0              0           0.00           0.00           0.00             45             45           0.29           1.03          28.22
                                       t:             0              0           0.00           0.00           0.00              0            192           2.49         212.66        2158.18
                        &f->secret_timer:             0              0           0.00           0.00           0.00              0              4          11.05         102.42         235.85
                                &f->lock:             0              0           0.00           0.00           0.00              0              4          10.04          99.28         218.50
                          &fc->rnd_timer:             0              0           0.00           0.00           0.00              0              2          11.89          21.76          33.65
                          tty_ldisc_lock:             0              0           0.00           0.00           0.00              2              2           0.70           0.80           1.50
                         rcu_read_lock-R:             0              0           0.00           0.00           0.00              0      716139650           0.07        2399.95   354449115.86
                       &tty->ldisc_mutex:             0              0           0.00           0.00           0.00              0              2           0.36           0.37           0.72
                         (&(work)->work):             0              0           0.00           0.00           0.00              0          50706           2.26         250.58      506466.23
          &fs_devices->device_list_mutex:             0              0           0.00           0.00           0.00           2907           4732           0.52        3322.87      431473.78
                          &(work)->timer:             0              0           0.00           0.00           0.00              0          50706           0.58         213.73      578512.81
                &type->i_mutex_dir_key#3:             0              0           0.00           0.00           0.00              6             11           0.20       15998.08       26677.70
                   &fs_info->chunk_mutex:             0              0           0.00           0.00           0.00              9            230           7.52         459.59       22224.86
                           clock-AF_UNIX:             0              0           0.00           0.00           0.00              2             12           0.12           0.48           3.02
                 &journal->j_wait_commit:             0              0           0.00           0.00           0.00              6             10           0.12           0.78           4.10
            &journal->j_wait_done_commit:             0              0           0.00           0.00           0.00              5             10           0.12           0.61           2.62
                              &state->wq:             0              0           0.00           0.00           0.00        2058387        3835817           0.11         266.71      560918.42
                        btrfs-chunk-00-W:             0              0           0.00           0.00           0.00             24           1136           0.11           2.10         214.83
                        btrfs-chunk-00-R:             0              0           0.00           0.00           0.00             10            454           0.14           1.30          92.78
     &(&fs_info->free_chunk_lock)->rlock:             0              0           0.00           0.00           0.00              9            227           0.11           0.57          35.50
                         btrfs-root-00-W:             0              0           0.00           0.00           0.00              0            200           0.15           2.57          82.57
                         btrfs-root-00-R:             0              0           0.00           0.00           0.00             19            162           0.10           1.21          41.85
                          btrfs-dev-00-W:             0              0           0.00           0.00           0.00              7            676           0.12           2.20         112.21
                          btrfs-dev-00-R:             0              0           0.00           0.00           0.00             36           4079           0.12          57.98        1995.44
                        &vfsmount_lock-R:             0              0           0.00           0.00           0.00              0       15523424           0.08         305.33    10117830.56
        &(&journal->j_state_lock)->rlock:             0              0           0.00           0.00           0.00             21            959           0.11          21.39         605.50
                    &found->groups_sem-W:             0              0           0.00           0.00           0.00             10            227           0.12           0.90          47.31
                    &found->groups_sem-R:             0              0           0.00           0.00           0.00        1074697        6481611           0.10         444.57    24346049.61
               &sb->s_type->i_lock_key#1:             0              0           0.00           0.00           0.00           1062           1166           0.08           1.95         347.26
                  &(&cache->lock)->rlock:             0              0           0.00           0.00           0.00             95            337           0.10           1.64         118.21
                 &fs_info->cleaner_mutex:             0              0           0.00           0.00           0.00              0             19           1.70           5.22          73.06
                        btrfs-chunk-01-W:             0              0           0.00           0.00           0.00              1           1655           0.15         284.46        1244.31
                        btrfs-chunk-01-R:             0              0           0.00           0.00           0.00             11           2961           0.10           7.67         783.09
            &(&(&tk->lock)->lock)->rlock:             0              0           0.00           0.00           0.00              0         105633           0.79         207.09     1164482.81
      &fs_info->transaction_blocked_wait:             0              0           0.00           0.00           0.00             18             19           0.54           4.86          17.81
                       &wb->wakeup_timer:             0              0           0.00           0.00           0.00              0             10           6.66          26.28         126.83
       &(&cur_trans->commit_lock)->rlock:             0              0           0.00           0.00           0.00             20             20           0.21           0.81           8.86
                        &head_ref->mutex:             0              0           0.00           0.00           0.00              0       21093805           0.10       34807.84   188537427.45
                &(&cache->lock)->rlock#2:             0              0           0.00           0.00           0.00        2356704        7369427           0.10         310.88     2581386.37
                    &fs_info->scrub_lock:             0              0           0.00           0.00           0.00             19             19           0.60           1.59          16.77
             &fs_info->extent_commit_sem:             0              0           0.00           0.00           0.00             19             38           0.22           5.81          70.48
                          btrfs-dev-01-W:             0              0           0.00           0.00           0.00              1            972           0.15           2.20         555.63
                          btrfs-dev-01-R:             0              0           0.00           0.00           0.00             11           6691           0.11          58.70        4508.34
        &(&root->accounting_lock)->rlock:             0              0           0.00           0.00           0.00         215065         468689           0.10         137.30      185330.99
                              &x->wait#2:             0              0           0.00           0.00           0.00              0           9414           0.11           2.36        1890.42
                 &cur_trans->commit_wait:             0              0           0.00           0.00           0.00             21             25           0.11          10.05          24.91
              &fs_info->scrub_pause_wait:             0              0           0.00           0.00           0.00             17             19           0.27           2.41           9.01
                &type->i_mutex_dir_key#6:             0              0           0.00           0.00           0.00              0              2           3.37          10.26          13.63
                          sb_writers#1-R:             0              0           0.00           0.00           0.00              0       17444720           1.14    85994538.55   960935155.30
              &type->i_mutex_dir_key#6/1:             0              0           0.00           0.00           0.00              0              7           0.86         561.91         597.74
      &fs_info->ordered_operations_mutex:             0              0           0.00           0.00           0.00            187        1248396           0.35         273.02     1605728.95
                         sb_internal#3-R:             0              0           0.00           0.00           0.00              0       22709048           1.57    86654500.18 30095113069.00
                 &type->s_umount_key#3-R:             0              0           0.00           0.00           0.00              1           3193           0.08    41051890.79   437223875.96
                  &rl->wait[BLK_RW_SYNC]:             0              0           0.00           0.00           0.00           5782          19842           0.12          42.09       47482.99
                 &rl->wait[BLK_RW_ASYNC]:             0              0           0.00           0.00           0.00           1147           3592           0.12          37.26       11159.00
                     &ei->delalloc_mutex:             0              0           0.00           0.00           0.00           5214       15750095           0.81         317.82    18693319.58
                     &(&ei->lock)->rlock:             0              0           0.00           0.00           0.00        1156581       48261023           0.10         267.79     6353752.70
                            &entry->wait:             0              0           0.00           0.00           0.00        1153921        1505250           0.10         285.96     1624546.31
   &(&fs_info->defrag_inodes_lock)->rloc:             0              0           0.00           0.00           0.00              6             19           1.01           2.00          24.29
                     &sig->wait_chldexit:             0              0           0.00           0.00           0.00            109           2196           0.11          11.75         479.34
   &(&fs_info->fs_roots_radix_lock)->rlo:             0              0           0.00           0.00           0.00             37             57           0.15           6.15         157.87
                  &root->fs_commit_mutex:             0              0           0.00           0.00           0.00             19             19           4.04           8.27         111.14
     &fs_info->transaction_kthread_mutex:             0              0           0.00           0.00           0.00             18             19          13.60    86654524.63   511056934.84
                &child->perf_event_mutex:             0              0           0.00           0.00           0.00            222            228           0.18           3.07         100.46
                          &ei->log_mutex:             0              0           0.00           0.00           0.00         139126         323309          10.99     1095118.77   731473104.92
              &fs_info->scrub_super_lock:             0              0           0.00           0.00           0.00           2878           4688          44.02        3329.87      448661.07
                 &sb->s_type->i_lock_key:             0              0           0.00           0.00           0.00             13            108           0.14           1.73          35.37
                                ntp_lock:             0              0           0.00           0.00           0.00              0         212311           0.10           5.82       77780.32
               &root->log_commit_wait[1]:             0              0           0.00           0.00           0.00         106349         107384           0.11        1328.26      600005.98
               &root->log_commit_wait[0]:             0              0           0.00           0.00           0.00         106008         107052           0.11        2014.76      607261.05
                  &nonblocking_pool.lock:             0              0           0.00           0.00           0.00             11         393853           0.12           9.34      228936.35
