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
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

          &(&fs_info->trans_lock)->rlock:      98254848      108654884           0.15     1060620.14 114619972217.6      109962661      110005399           0.00        1993.64  1175607409.45
          ------------------------------
          &(&fs_info->trans_lock)->rlock       49752737          [<ffffffff812e2bf8>] btrfs_transaction_in_commit+0x28/0x60
          &(&fs_info->trans_lock)->rlock       49620398          [<ffffffff812e21f2>] wait_current_trans.clone.22+0x22/0xf0
          &(&fs_info->trans_lock)->rlock        9281323          [<ffffffff812e22e1>] join_transaction.clone.23+0x21/0x260
          &(&fs_info->trans_lock)->rlock             84          [<ffffffff812dc238>] transaction_kthread+0xe8/0x290
          ------------------------------
          &(&fs_info->trans_lock)->rlock       51817250          [<ffffffff812e21f2>] wait_current_trans.clone.22+0x22/0xf0
          &(&fs_info->trans_lock)->rlock        8086564          [<ffffffff812e22e1>] join_transaction.clone.23+0x21/0x260
          &(&fs_info->trans_lock)->rlock       48750758          [<ffffffff812e2bf8>] btrfs_transaction_in_commit+0x28/0x60
          &(&fs_info->trans_lock)->rlock             60          [<ffffffff812e2c58>] btrfs_transaction_blocked+0x28/0x60

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

           &(&mapping->tree_lock)->rlock:       3570931        3610813           0.11        9834.52    11069307.96        7646881      202070690           0.00         285.97   102825389.86
           -----------------------------
           &(&mapping->tree_lock)->rlock         755183          [<ffffffff810efb66>] test_set_page_writeback+0x66/0x190
           &(&mapping->tree_lock)->rlock          17179          [<ffffffff810e64c7>] add_to_page_cache_locked+0x77/0xf0
           &(&mapping->tree_lock)->rlock        2827506          [<ffffffff810f0e12>] test_clear_page_writeback+0x62/0x180
           &(&mapping->tree_lock)->rlock          10763          [<ffffffff810efe23>] __set_page_dirty_nobuffers+0x63/0x160
           -----------------------------
           &(&mapping->tree_lock)->rlock          24308          [<ffffffff810efe23>] __set_page_dirty_nobuffers+0x63/0x160
           &(&mapping->tree_lock)->rlock         602811          [<ffffffff810efb66>] test_set_page_writeback+0x66/0x190
           &(&mapping->tree_lock)->rlock          19935          [<ffffffff810e64c7>] add_to_page_cache_locked+0x77/0xf0
           &(&mapping->tree_lock)->rlock        2963584          [<ffffffff810f0e12>] test_clear_page_writeback+0x62/0x180

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

                                    #1-W:       1228426        1262140           0.10         299.57     5264152.98        2333134      152570337           0.00         317.54    99454518.97
                                    #1-R:        482643         484726           0.11         298.75     1939378.01        2109284      151630661           0.00         492.87    96682387.40
                                    ----
                                      #1         267250          [<ffffffff81312000>] btrfs_tree_read_lock+0xa0/0x130
                                      #1         601765          [<ffffffff813122b1>] btrfs_tree_lock+0x111/0x250
                                      #1         337245          [<ffffffff81311f11>] btrfs_clear_lock_blocking_rw+0x81/0xd0
                                      #1          57328          [<ffffffff81311ecc>] btrfs_clear_lock_blocking_rw+0x3c/0xd0
                                    ----
                                      #1        1008452          [<ffffffff81311f11>] btrfs_clear_lock_blocking_rw+0x81/0xd0
                                      #1          96601          [<ffffffff81312000>] btrfs_tree_read_lock+0xa0/0x130
                                      #1         218982          [<ffffffff813122b1>] btrfs_tree_lock+0x111/0x250
                                      #1         296848          [<ffffffff81311ecc>] btrfs_clear_lock_blocking_rw+0x3c/0xd0

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

                                   key#9:       1643048        1709094           0.00         300.19     5335936.96        5171460      309847380           0.00         289.42    42144341.62
                                   -----
                                   key#9         423543          [<ffffffff81034bb2>] __wake_up+0x32/0x70
                                   key#9         809836          [<ffffffff8106e641>] finish_wait+0x41/0x80
                                   key#9         475726          [<ffffffff8106e73a>] prepare_to_wait+0x2a/0x90
                                   -----
                                   key#9         846451          [<ffffffff8106e73a>] prepare_to_wait+0x2a/0x90
                                   key#9         630313          [<ffffffff81034bb2>] __wake_up+0x32/0x70
                                   key#9         232341          [<ffffffff8106e641>] finish_wait+0x41/0x80

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

           &(&delayed_root->lock)->rlock:       1244722        1288607           0.11         261.15     6351859.42       50916962       59656677           0.00         294.35   125016778.88
           -----------------------------
           &(&delayed_root->lock)->rlock         426886          [<ffffffff81328855>] __btrfs_release_delayed_node+0x65/0x210
           &(&delayed_root->lock)->rlock         809689          [<ffffffff81329141>] btrfs_first_prepared_delayed_node+0x21/0x70
           &(&delayed_root->lock)->rlock          37034          [<ffffffff81329dda>] btrfs_async_run_delayed_node_done+0x15a/0x210
           &(&delayed_root->lock)->rlock          14129          [<ffffffff81328900>] __btrfs_release_delayed_node+0x110/0x210
           -----------------------------
           &(&delayed_root->lock)->rlock         194892          [<ffffffff81328855>] __btrfs_release_delayed_node+0x65/0x210
           &(&delayed_root->lock)->rlock        1048199          [<ffffffff81329141>] btrfs_first_prepared_delayed_node+0x21/0x70
           &(&delayed_root->lock)->rlock          17688          [<ffffffff81328900>] __btrfs_release_delayed_node+0x110/0x210
           &(&delayed_root->lock)->rlock          26948          [<ffffffff81329dda>] btrfs_async_run_delayed_node_done+0x15a/0x210

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

                      &(&t->lock)->rlock:        841430         859542           0.10         929.94     2825463.71        5531401       51188142           0.00         300.83    13734361.78
                      ------------------
                      &(&t->lock)->rlock         849539          [<ffffffff812fc918>] btrfs_dec_test_ordered_pending+0x48/0x170
                      &(&t->lock)->rlock           5515          [<ffffffff812fc6be>] btrfs_add_ordered_sum+0x2e/0x70
                      &(&t->lock)->rlock           4396          [<ffffffff812fcedd>] btrfs_lookup_ordered_extent+0x3d/0x110
                      &(&t->lock)->rlock             42          [<ffffffff812fd607>] btrfs_ordered_update_i_size+0x67/0x370
                      ------------------
                      &(&t->lock)->rlock         840385          [<ffffffff812fc918>] btrfs_dec_test_ordered_pending+0x48/0x170
                      &(&t->lock)->rlock            258          [<ffffffff812fd607>] btrfs_ordered_update_i_size+0x67/0x370
                      &(&t->lock)->rlock           9978          [<ffffffff812fcedd>] btrfs_lookup_ordered_extent+0x3d/0x110
                      &(&t->lock)->rlock           8819          [<ffffffff812fc6be>] btrfs_add_ordered_sum+0x2e/0x70

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

                  &(&found->lock)->rlock:        688706         689710           0.10         263.98     5215284.51      100160169      100936805           0.00         314.21   623379036.29
                  ----------------------
                  &(&found->lock)->rlock         235678          [<ffffffff812cb097>] reserve_metadata_bytes.clone.49+0x77/0x500
                  &(&found->lock)->rlock         444033          [<ffffffff812d02f4>] btrfs_check_data_free_space+0x94/0x230
                  &(&found->lock)->rlock            956          [<ffffffff812ca0af>] block_rsv_release_bytes+0x10f/0x140
                  &(&found->lock)->rlock           1214          [<ffffffff812cfee4>] do_chunk_alloc+0x64/0x370
                  ----------------------
                  &(&found->lock)->rlock         237281          [<ffffffff812cb097>] reserve_metadata_bytes.clone.49+0x77/0x500
                  &(&found->lock)->rlock         443265          [<ffffffff812d02f4>] btrfs_check_data_free_space+0x94/0x230
                  &(&found->lock)->rlock            799          [<ffffffff812cfee4>] do_chunk_alloc+0x64/0x370
                  &(&found->lock)->rlock            808          [<ffffffff812ca0af>] block_rsv_release_bytes+0x10f/0x140

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

       &(&fs_info->delalloc_lock)->rlock:        383725         387949           0.13         243.22     2007454.56       50231776       50673610           0.00         307.07   118878974.37
       ---------------------------------
       &(&fs_info->delalloc_lock)->rlock         376395          [<ffffffff812e4205>] btrfs_set_bit_hook+0x95/0x160
       &(&fs_info->delalloc_lock)->rlock           3171          [<ffffffff812debf8>] btrfs_mark_buffer_dirty+0xa8/0x110
       &(&fs_info->delalloc_lock)->rlock            384          [<ffffffff812e4b8f>] btrfs_clear_bit_hook+0x1af/0x210
       &(&fs_info->delalloc_lock)->rlock           4616          [<ffffffff812ce40a>] update_block_group.clone.61+0x3a/0x2c0
       ---------------------------------
       &(&fs_info->delalloc_lock)->rlock         378782          [<ffffffff812e4205>] btrfs_set_bit_hook+0x95/0x160
       &(&fs_info->delalloc_lock)->rlock           2468          [<ffffffff812debf8>] btrfs_mark_buffer_dirty+0xa8/0x110
       &(&fs_info->delalloc_lock)->rlock           3191          [<ffffffff812ce40a>] update_block_group.clone.61+0x3a/0x2c0
       &(&fs_info->delalloc_lock)->rlock            526          [<ffffffff812e4b8f>] btrfs_clear_bit_hook+0x1af/0x210

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

                                   key#8:        352432         361986           0.10         274.37      980828.30       11280119      450201795           0.00         275.57    58536568.01
                                   -----
                                   key#8         184514          [<ffffffff81034bb2>] __wake_up+0x32/0x70
                                   key#8         118053          [<ffffffff8106e641>] finish_wait+0x41/0x80
                                   key#8          59419          [<ffffffff8106e73a>] prepare_to_wait+0x2a/0x90
                                   -----
                                   key#8          78496          [<ffffffff8106e73a>] prepare_to_wait+0x2a/0x90
                                   key#8         250278          [<ffffffff81034bb2>] __wake_up+0x32/0x70
                                   key#8          33212          [<ffffffff8106e641>] finish_wait+0x41/0x80

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

                    &(&rsv->lock)->rlock:        151793         152047           0.10         252.77      767131.84       58815995       59826018           0.00         299.04   201855794.37
                    --------------------
                    &(&rsv->lock)->rlock         124125          [<ffffffff812ca285>] block_rsv_add_bytes+0x35/0x80
                    &(&rsv->lock)->rlock          25990          [<ffffffff812d0729>] btrfs_block_rsv_check+0x49/0x160
                    &(&rsv->lock)->rlock            987          [<ffffffff812c9fda>] block_rsv_release_bytes+0x3a/0x140
                    &(&rsv->lock)->rlock            679          [<ffffffff812ca208>] block_rsv_use_bytes+0x38/0x80
                    --------------------
                    &(&rsv->lock)->rlock         124769          [<ffffffff812ca285>] block_rsv_add_bytes+0x35/0x80
                    &(&rsv->lock)->rlock          25802          [<ffffffff812d0729>] btrfs_block_rsv_check+0x49/0x160
                    &(&rsv->lock)->rlock            812          [<ffffffff812ca208>] block_rsv_use_bytes+0x38/0x80
                    &(&rsv->lock)->rlock            464          [<ffffffff812c9fda>] block_rsv_release_bytes+0x3a/0x140

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

                        rcu_node_level_1:        105408         107092           0.13         243.40      275729.61         533606        1383828           0.00         249.17      590856.60
                        ----------------
                        rcu_node_level_1          99678          [<ffffffff810b604a>] __rcu_process_callbacks+0x25a/0x370
                        rcu_node_level_1           4955          [<ffffffff810b5280>] rcu_start_gp+0x190/0x340
                        rcu_node_level_1           2455          [<ffffffff810b5ad8>] force_quiescent_state+0x168/0x290
                        rcu_node_level_1              4          [<ffffffff810b5190>] rcu_start_gp+0xa0/0x340
                        ----------------
                        rcu_node_level_1           8278          [<ffffffff810b5280>] rcu_start_gp+0x190/0x340
                        rcu_node_level_1          79112          [<ffffffff810b604a>] __rcu_process_callbacks+0x25a/0x370
                        rcu_node_level_1          14744          [<ffffffff810b5ad8>] force_quiescent_state+0x168/0x290
                        rcu_node_level_1           4958          [<ffffffff810b5190>] rcu_start_gp+0xa0/0x340

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

                      &(&h->lock)->rlock:         44028          44712           0.20         184.01      130675.23         745068        2215810           0.00         286.28     3777062.20
                      ------------------
                      &(&h->lock)->rlock           9033          [<ffffffffa0004c92>] do_cciss_msix_intr+0x22/0x230 [cciss]
                      &(&h->lock)->rlock           9579          [<ffffffffa0002fb7>] cciss_softirq_done+0x1a7/0x2e0 [cciss]
                      &(&h->lock)->rlock          11673          [<ffffffff81354006>] blk_end_bidi_request+0x46/0x80
                      &(&h->lock)->rlock           8068          [<ffffffffa0003861>] do_cciss_request+0x4a1/0x5f0 [cciss]
                      ------------------
                      &(&h->lock)->rlock           8449          [<ffffffff81354006>] blk_end_bidi_request+0x46/0x80
                      &(&h->lock)->rlock          21651          [<ffffffffa0004c92>] do_cciss_msix_intr+0x22/0x230 [cciss]
                      &(&h->lock)->rlock           3409          [<ffffffffa0002fb7>] cciss_softirq_done+0x1a7/0x2e0 [cciss]
                      &(&h->lock)->rlock           6634          [<ffffffffa0003861>] do_cciss_request+0x4a1/0x5f0 [cciss]

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

                   &(&tree->lock)->rlock:         34766          35225           0.14          63.71      228641.51         422248      101720418           0.00        1071.31   252263112.73
                   ---------------------
                   &(&tree->lock)->rlock          32983          [<ffffffff812fe2b9>] find_delalloc_range+0x39/0x1d0
                   &(&tree->lock)->rlock           1672          [<ffffffff812ff3b1>] set_extent_bit+0x71/0x500
                   &(&tree->lock)->rlock            309          [<ffffffff81300359>] test_range_bit+0x39/0x180
                   &(&tree->lock)->rlock            261          [<ffffffff812fec84>] clear_extent_bit+0x94/0x420
                   ---------------------
                   &(&tree->lock)->rlock          32789          [<ffffffff812ff3b1>] set_extent_bit+0x71/0x500
                   &(&tree->lock)->rlock            247          [<ffffffff812fec84>] clear_extent_bit+0x94/0x420
                   &(&tree->lock)->rlock           1986          [<ffffffff812fe2b9>] find_delalloc_range+0x39/0x1d0
                   &(&tree->lock)->rlock            203          [<ffffffff81300359>] test_range_bit+0x39/0x180

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

                                    #1-W:         14649          16024           0.28         290.86       76257.89          29123         278225           0.09         105.81      372250.53
                                    #1-R:         14677          15004           0.27         109.84       44017.20        9175084      302279283           0.00         306.79   211690507.67
                                    ----
                                      #1           9308          [<ffffffff813122b1>] btrfs_tree_lock+0x111/0x250
                                      #1           4352          [<ffffffff81311f11>] btrfs_clear_lock_blocking_rw+0x81/0xd0
                                      #1           6848          [<ffffffff81312000>] btrfs_tree_read_lock+0xa0/0x130
                                      #1           2697          [<ffffffff81311ecc>] btrfs_clear_lock_blocking_rw+0x3c/0xd0
                                    ----
                                      #1           1461          [<ffffffff81312000>] btrfs_tree_read_lock+0xa0/0x130
                                      #1           3272          [<ffffffff813122b1>] btrfs_tree_lock+0x111/0x250
                                      #1          15928          [<ffffffff81311f11>] btrfs_clear_lock_blocking_rw+0x81/0xd0
                                      #1           8589          [<ffffffff81311ecc>] btrfs_clear_lock_blocking_rw+0x3c/0xd0

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

          &(&workers->order_lock)->rlock:         21374          22160           0.10         292.23      107828.76         460587        1474236           0.00         294.62     1862175.19
          ------------------------------
          &(&workers->order_lock)->rlock           2886          [<ffffffff8130bca3>] run_ordered_completions+0x93/0xf0
          &(&workers->order_lock)->rlock          12108          [<ffffffff8130bc64>] run_ordered_completions+0x54/0xf0
          &(&workers->order_lock)->rlock           7166          [<ffffffff8130c4bf>] btrfs_queue_worker+0x25f/0x330
          ------------------------------
          &(&workers->order_lock)->rlock          12081          [<ffffffff8130bc64>] run_ordered_completions+0x54/0xf0
          &(&workers->order_lock)->rlock           4884          [<ffffffff8130bca3>] run_ordered_completions+0x93/0xf0
          &(&workers->order_lock)->rlock           5195          [<ffffffff8130c4bf>] btrfs_queue_worker+0x25f/0x330

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

                               &rq->lock:         13768          14047           0.26          95.58       72023.39         175830       32834431           0.00         580.17    45852830.18
                               ---------
                               &rq->lock           5192          [<ffffffff81035075>] double_rq_lock+0x35/0x80
                               &rq->lock           1763          [<ffffffff8162770e>] __schedule+0xbe/0x8f0
                               &rq->lock             96          [<ffffffff8103605f>] sched_ttwu_do_pending+0x2f/0x70
                               &rq->lock            219          [<ffffffff81042e7f>] try_to_wake_up+0x18f/0x2d0
                               ---------
                               &rq->lock           2632          [<ffffffff810350a2>] double_rq_lock+0x62/0x80
                               &rq->lock           5239          [<ffffffff81035075>] double_rq_lock+0x35/0x80
                               &rq->lock           5013          [<ffffffff8162770e>] __schedule+0xbe/0x8f0
                               &rq->lock             46          [<ffffffff81627ee4>] __schedule+0x894/0x8f0

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

                 &(&worker->lock)->rlock:         10115          10233           0.19         111.16       38869.49        1627326        4035816           0.00         287.04     4462938.33
                 -----------------------
                 &(&worker->lock)->rlock           8661          [<ffffffff8130c3b4>] btrfs_queue_worker+0x154/0x330
                 &(&worker->lock)->rlock           1170          [<ffffffff8130c737>] worker_loop+0x1a7/0x540
                 &(&worker->lock)->rlock            115          [<ffffffff8130c6aa>] worker_loop+0x11a/0x540
                 &(&worker->lock)->rlock            287          [<ffffffff8130c887>] worker_loop+0x2f7/0x540
                 -----------------------
                 &(&worker->lock)->rlock           8882          [<ffffffff8130c3b4>] btrfs_queue_worker+0x154/0x330
                 &(&worker->lock)->rlock           1162          [<ffffffff8130c737>] worker_loop+0x1a7/0x540
                 &(&worker->lock)->rlock            115          [<ffffffff8130c887>] worker_loop+0x2f7/0x540
                 &(&worker->lock)->rlock             74          [<ffffffff8130c6aa>] worker_loop+0x11a/0x540

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

                                   key#8:          8953          10154           0.26        2860.25     6434924.56          32663          42642           0.00        1059.11      185082.49
                                   -----
                                   key#8           5260          [<ffffffff8106e73a>] prepare_to_wait+0x2a/0x90
                                   key#8           4894          [<ffffffff8106e641>] finish_wait+0x41/0x80
                                   -----
                                   key#8           4022          [<ffffffff8106e73a>] prepare_to_wait+0x2a/0x90
                                   key#8           3811          [<ffffffff81034bb2>] __wake_up+0x32/0x70
                                   key#8           2321          [<ffffffff8106e641>] finish_wait+0x41/0x80

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

                                    #1-W:          9361           9375           0.23         104.47       18209.82         334671      201972721           0.00         492.28    28729290.76
                                    #1-R:             0              0           0.00           0.00           0.00              1           1721           0.14           2.43         250.18
                                    ----
                                      #1           5275          [<ffffffff81312154>] btrfs_try_tree_write_lock+0x44/0x90
                                      #1           4047          [<ffffffff813122b1>] btrfs_tree_lock+0x111/0x250
                                      #1             53          [<ffffffff81311f11>] btrfs_clear_lock_blocking_rw+0x81/0xd0
                                    ----
                                      #1           8399          [<ffffffff81311f11>] btrfs_clear_lock_blocking_rw+0x81/0xd0
                                      #1            831          [<ffffffff81312154>] btrfs_try_tree_write_lock+0x44/0x90
                                      #1            145          [<ffffffff813122b1>] btrfs_tree_lock+0x111/0x250

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

                                   key#4:          4395           5522           0.24          24.41       24778.58        1708671        5236422           0.00         264.19     7638522.72
                                   -----
                                   key#4           5522          [<ffffffff81385520>] __percpu_counter_add+0x50/0x80
                                   -----
                                   key#4           5522          [<ffffffff81385520>] __percpu_counter_add+0x50/0x80

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

                &(&workers->lock)->rlock:          3942           4568           0.17          55.08       20024.82        1235282        2585330           0.00         248.09     2893593.00
                ------------------------
                &(&workers->lock)->rlock           4006          [<ffffffff8130c303>] btrfs_queue_worker+0xa3/0x330
                &(&workers->lock)->rlock              2          [<ffffffff8130c7d4>] worker_loop+0x244/0x540
                &(&workers->lock)->rlock            129          [<ffffffff8130c501>] btrfs_queue_worker+0x2a1/0x330
                &(&workers->lock)->rlock            431          [<ffffffff8130c989>] worker_loop+0x3f9/0x540
                ------------------------
                &(&workers->lock)->rlock           3860          [<ffffffff8130c303>] btrfs_queue_worker+0xa3/0x330
                &(&workers->lock)->rlock            200          [<ffffffff8130c501>] btrfs_queue_worker+0x2a1/0x330
                &(&workers->lock)->rlock              1          [<ffffffff8130c7d4>] worker_loop+0x244/0x540
                &(&workers->lock)->rlock              1          [<ffffffff8130beeb>] __btrfs_start_workers+0xfb/0x1b0

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

                                    #9-W:          1169           1441           0.35          35.52        2806.31           1866        1205907           0.09         254.60     2720889.64
                                    #9-R:          2083           2086           0.28          37.89        7122.79         237534        2828066           0.00         286.00     3768945.95
                                    ----
                                      #9           1924          [<ffffffff81312000>] btrfs_tree_read_lock+0xa0/0x130
                                      #9            875          [<ffffffff81311f11>] btrfs_clear_lock_blocking_rw+0x81/0xd0
                                      #9            566          [<ffffffff813122b1>] btrfs_tree_lock+0x111/0x250
                                      #9            162          [<ffffffff81311ecc>] btrfs_clear_lock_blocking_rw+0x3c/0xd0
                                    ----
                                      #9           2069          [<ffffffff81311f11>] btrfs_clear_lock_blocking_rw+0x81/0xd0
                                      #9            976          [<ffffffff81312000>] btrfs_tree_read_lock+0xa0/0x130
                                      #9            224          [<ffffffff81311ecc>] btrfs_clear_lock_blocking_rw+0x3c/0xd0
                                      #9            258          [<ffffffff813122b1>] btrfs_tree_lock+0x111/0x250

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

              &(&device->io_lock)->rlock:          2893           3101           0.10         195.77       10790.06         107014         910137           0.00         212.31      333552.38
              --------------------------
              &(&device->io_lock)->rlock           1435          [<ffffffff81305a9f>] schedule_bio.clone.35+0x5f/0x120
              &(&device->io_lock)->rlock           1481          [<ffffffff813051c6>] run_scheduled_bios+0xb6/0x510
              &(&device->io_lock)->rlock            185          [<ffffffff8130554f>] run_scheduled_bios+0x43f/0x510
              --------------------------
              &(&device->io_lock)->rlock           1332          [<ffffffff813051c6>] run_scheduled_bios+0xb6/0x510
              &(&device->io_lock)->rlock           1690          [<ffffffff81305a9f>] schedule_bio.clone.35+0x5f/0x120
              &(&device->io_lock)->rlock             79          [<ffffffff8130554f>] run_scheduled_bios+0x43f/0x510

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

                             &rq->lock/1:          3047           3047           0.24          73.91       17367.17          57090         121971           0.00         245.07      525680.46
                             -----------
                             &rq->lock/1           3021          [<ffffffff810350a2>] double_rq_lock+0x62/0x80
                             &rq->lock/1             23          [<ffffffff81035082>] double_rq_lock+0x42/0x80
                             &rq->lock/1              2          [<ffffffff81035015>] double_lock_balance+0x55/0x80
                             &rq->lock/1              1          [<ffffffff81035036>] double_lock_balance+0x76/0x80
                             -----------
                             &rq->lock/1           1592          [<ffffffff810350a2>] double_rq_lock+0x62/0x80
                             &rq->lock/1            319          [<ffffffff8162770e>] __schedule+0xbe/0x8f0
                             &rq->lock/1            897          [<ffffffff81035075>] double_rq_lock+0x35/0x80
                             &rq->lock/1             31          [<ffffffff81627ee4>] __schedule+0x894/0x8f0

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

                                &q->lock:          2233           2290           0.30          14.58        2639.14         697354         706614           0.00         232.65      456037.41
                                --------
                                &q->lock            740          [<ffffffff8108b627>] generic_smp_call_function_single_interrupt+0x57/0x120
                                &q->lock           1550          [<ffffffff8108ae58>] generic_exec_single+0x48/0xb0
                                --------
                                &q->lock            850          [<ffffffff8108ae58>] generic_exec_single+0x48/0xb0
                                &q->lock           1440          [<ffffffff8108b627>] generic_smp_call_function_single_interrupt+0x57/0x120

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

                                   key#3:          2077           1924           0.02          12.10        2381.72         126934         126944           0.00          11.77       81162.82
                                   -----
                                   key#3           2077          [<ffffffff81385520>] __percpu_counter_add+0x50/0x80
                                   -----
                                   key#3           2077          [<ffffffff81385520>] __percpu_counter_add+0x50/0x80

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

                        rcu_node_level_0:          1108           1160           0.28          12.89        1634.48          51474          94630           0.00         175.06       68113.53
                        ----------------
                        rcu_node_level_0            377          [<ffffffff810b6070>] __rcu_process_callbacks+0x280/0x370
                        rcu_node_level_0            136          [<ffffffff810b5280>] rcu_start_gp+0x190/0x340
                        rcu_node_level_0            145          [<ffffffff810b5bb5>] force_quiescent_state+0x245/0x290
                        rcu_node_level_0             77          [<ffffffff810b5190>] rcu_start_gp+0xa0/0x340
                        ----------------
                        rcu_node_level_0            472          [<ffffffff810b6070>] __rcu_process_callbacks+0x280/0x370
                        rcu_node_level_0            412          [<ffffffff810b548f>] rcu_report_qs_rnp+0x5f/0x170
                        rcu_node_level_0            163          [<ffffffff810b5bb5>] force_quiescent_state+0x245/0x290
                        rcu_node_level_0             64          [<ffffffff810b5190>] rcu_start_gp+0xa0/0x340

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

                    &delayed_node->mutex:           850            856           7.40      133000.17     9715186.40        2457225       22299152           0.00      151012.93   112770235.37
                    --------------------
                    &delayed_node->mutex            460          [<ffffffff8132ac6f>] btrfs_delayed_update_inode+0x4f/0x2c0
                    &delayed_node->mutex              9          [<ffffffff8132996e>] btrfs_delete_delayed_items+0x5e/0x370
                    &delayed_node->mutex             92          [<ffffffff8132883f>] __btrfs_release_delayed_node+0x4f/0x210
                    &delayed_node->mutex             16          [<ffffffff81329d24>] btrfs_async_run_delayed_node_done+0xa4/0x210
                    --------------------
                    &delayed_node->mutex             68          [<ffffffff81329d24>] btrfs_async_run_delayed_node_done+0xa4/0x210
                    &delayed_node->mutex            608          [<ffffffff81328e0b>] btrfs_update_delayed_inode+0x3b/0x160
                    &delayed_node->mutex             62          [<ffffffff8132ac6f>] btrfs_delayed_update_inode+0x4f/0x2c0
                    &delayed_node->mutex             93          [<ffffffff8132883f>] __btrfs_release_delayed_node+0x4f/0x210

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

                             &rq->lock#2:           814            821           0.23         109.85        4428.63          13813         901242           0.00         194.97     1172940.51
                             -----------
                             &rq->lock#2            439          [<ffffffff81035075>] double_rq_lock+0x35/0x80
                             &rq->lock#2             68          [<ffffffff8162770e>] __schedule+0xbe/0x8f0
                             &rq->lock#2            207          [<ffffffff81042f05>] try_to_wake_up+0x215/0x2d0
                             &rq->lock#2             21          [<ffffffff810440c5>] scheduler_tick+0x45/0x290
                             -----------
                             &rq->lock#2            517          [<ffffffff81035075>] double_rq_lock+0x35/0x80
                             &rq->lock#2             38          [<ffffffff810350a2>] double_rq_lock+0x62/0x80
                             &rq->lock#2            204          [<ffffffff8162770e>] __schedule+0xbe/0x8f0
                             &rq->lock#2              7          [<ffffffff810440c5>] scheduler_tick+0x45/0x290

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

                                   key#8:           812            812           0.36          31.86        3246.74          11983          12703           0.12         214.28       43217.92
                                   -----
                                   key#8            812          [<ffffffff81034bb2>] __wake_up+0x32/0x70
                                   -----
                                   key#8            811          [<ffffffff81034bb2>] __wake_up+0x32/0x70
                                   key#8              1          [<ffffffff8106e73a>] prepare_to_wait+0x2a/0x90

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

               &(&zone->lru_lock)->rlock:           433            433           0.26          12.29         614.64        3679294        3906504           0.00         247.24     3993688.26
               -------------------------
               &(&zone->lru_lock)->rlock            386          [<ffffffff810f2572>] pagevec_lru_move_fn+0xb2/0x120
               &(&zone->lru_lock)->rlock             43          [<ffffffff810f234c>] release_pages+0x10c/0x280
               &(&zone->lru_lock)->rlock              3          [<ffffffff810f891e>] putback_lru_pages.clone.55+0x4e/0x280
               &(&zone->lru_lock)->rlock              1          [<ffffffff810f8a80>] putback_lru_pages.clone.55+0x1b0/0x280
               -------------------------
               &(&zone->lru_lock)->rlock            424          [<ffffffff810f2572>] pagevec_lru_move_fn+0xb2/0x120
               &(&zone->lru_lock)->rlock              4          [<ffffffff810f8c11>] shrink_inactive_list+0xc1/0x3e0
               &(&zone->lru_lock)->rlock              4          [<ffffffff810f234c>] release_pages+0x10c/0x280
               &(&zone->lru_lock)->rlock              1          [<ffffffff810f891e>] putback_lru_pages.clone.55+0x4e/0x280

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

                   &(&zone->lock)->rlock:           326            326           0.23          53.53        1048.23        1694591        1737557           0.13         255.38     6519119.50
                   ---------------------
                   &(&zone->lock)->rlock            267          [<ffffffff810ed2c8>] get_page_from_freelist+0x428/0x770
                   &(&zone->lock)->rlock             33          [<ffffffff810ed5a9>] get_page_from_freelist+0x709/0x770
                   &(&zone->lock)->rlock             23          [<ffffffff810ee983>] __free_pages_ok+0xb3/0x510
                   &(&zone->lock)->rlock              3          [<ffffffff810eddb4>] free_pcppages_bulk+0x34/0x430
                   ---------------------
                   &(&zone->lock)->rlock            309          [<ffffffff810ed2c8>] get_page_from_freelist+0x428/0x770
                   &(&zone->lock)->rlock              8          [<ffffffff810eddb4>] free_pcppages_bulk+0x34/0x430
                   &(&zone->lock)->rlock              6          [<ffffffff810ed5a9>] get_page_from_freelist+0x709/0x770
                   &(&zone->lock)->rlock              3          [<ffffffff810ee983>] __free_pages_ok+0xb3/0x510

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

                                    #7-W:            88             96           0.42          43.85         341.06         114774         967084           0.13         240.51     1537282.22
                                    #7-R:           120            120           0.46          34.85         559.12         333380        2827250           0.12         300.29     4992099.26
                                    ----
                                      #7             82          [<ffffffff81312000>] btrfs_tree_read_lock+0xa0/0x130
                                      #7             39          [<ffffffff81311f11>] btrfs_clear_lock_blocking_rw+0x81/0xd0
                                      #7             49          [<ffffffff813122b1>] btrfs_tree_lock+0x111/0x250
                                      #7             22          [<ffffffff81311ecc>] btrfs_clear_lock_blocking_rw+0x3c/0xd0
                                    ----
                                      #7            104          [<ffffffff81311f11>] btrfs_clear_lock_blocking_rw+0x81/0xd0
                                      #7             39          [<ffffffff81312000>] btrfs_tree_read_lock+0xa0/0x130
                                      #7             44          [<ffffffff81311ecc>] btrfs_clear_lock_blocking_rw+0x3c/0xd0
                                      #7             21          [<ffffffff813122b1>] btrfs_tree_lock+0x111/0x250

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

                             &rq->lock#5:           190            190           0.53          26.41         636.81            382          77981           0.08          25.17       85607.21
                             -----------
                             &rq->lock#5             24          [<ffffffff8162770e>] __schedule+0xbe/0x8f0
                             &rq->lock#5             20          [<ffffffff81035075>] double_rq_lock+0x35/0x80
                             &rq->lock#5             11          [<ffffffff810423ef>] load_balance+0x5bf/0x820
                             &rq->lock#5              1          [<ffffffff8103605f>] sched_ttwu_do_pending+0x2f/0x70
                             -----------
                             &rq->lock#5             47          [<ffffffff810350a2>] double_rq_lock+0x62/0x80
                             &rq->lock#5              3          [<ffffffff810423ef>] load_balance+0x5bf/0x820
                             &rq->lock#5              1          [<ffffffff8103605f>] sched_ttwu_do_pending+0x2f/0x70
                             &rq->lock#5            136          [<ffffffff8162770e>] __schedule+0xbe/0x8f0

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

              &sb->s_type->i_mutex_key#1:           180            180          95.79     3370122.76   219792722.82          90566       50331842           3.57     2434728.15 307471946460.0
              --------------------------
              &sb->s_type->i_mutex_key#1            180          [<ffffffff81143813>] do_last+0x373/0x900
              --------------------------
              &sb->s_type->i_mutex_key#1            180          [<ffffffff81143813>] do_last+0x373/0x900

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

                             &rq->lock#3:           167            175           0.40          12.19         532.30            722          27963           0.00          34.20       22951.81
                             -----------
                             &rq->lock#3            110          [<ffffffff81035075>] double_rq_lock+0x35/0x80
                             &rq->lock#3              8          [<ffffffff8162770e>] __schedule+0xbe/0x8f0
                             &rq->lock#3             53          [<ffffffff810423ef>] load_balance+0x5bf/0x820
                             &rq->lock#3              1          [<ffffffff8103605f>] sched_ttwu_do_pending+0x2f/0x70
                             -----------
                             &rq->lock#3            143          [<ffffffff81035075>] double_rq_lock+0x35/0x80
                             &rq->lock#3              8          [<ffffffff810350a2>] double_rq_lock+0x62/0x80
                             &rq->lock#3             18          [<ffffffff810423ef>] load_balance+0x5bf/0x820
                             &rq->lock#3              2          [<ffffffff8103605f>] sched_ttwu_do_pending+0x2f/0x70

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

         &(&futex_queues[i].lock)->rlock:           171            171           0.41          45.49         886.93           2089           2548           0.13         104.76        6882.15
         -------------------------------
         &(&futex_queues[i].lock)->rlock             80          [<ffffffff8108773a>] futex_wake+0x7a/0x130
         &(&futex_queues[i].lock)->rlock             85          [<ffffffff81086e49>] futex_wait_setup+0x69/0x100
         &(&futex_queues[i].lock)->rlock              6          [<ffffffff8108835c>] futex_requeue+0x3cc/0x8a0
         -------------------------------
         &(&futex_queues[i].lock)->rlock             61          [<ffffffff81086e49>] futex_wait_setup+0x69/0x100
         &(&futex_queues[i].lock)->rlock             30          [<ffffffff8108835c>] futex_requeue+0x3cc/0x8a0
         &(&futex_queues[i].lock)->rlock             80          [<ffffffff8108773a>] futex_wake+0x7a/0x130

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

                   &fs_info->chunk_mutex:           159            165         208.60       88788.05     4940369.08            195          28508           0.15       30512.55       92545.83
                   ---------------------
                   &fs_info->chunk_mutex            165          [<ffffffff812cffeb>] do_chunk_alloc+0x16b/0x370
                   ---------------------
                   &fs_info->chunk_mutex            161          [<ffffffff812d0020>] do_chunk_alloc+0x1a0/0x370
                   &fs_info->chunk_mutex              4          [<ffffffff812cffeb>] do_chunk_alloc+0x16b/0x370

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

   &(&fs_info->delayed_iput_lock)->rlock:           145            161           0.23          15.49         486.50         293432        1198489           0.10         235.98      756335.96
   -------------------------------------
   &(&fs_info->delayed_iput_lock)->rlock            161          [<ffffffff812e8d42>] btrfs_run_delayed_iputs+0x42/0x130
   -------------------------------------
   &(&fs_info->delayed_iput_lock)->rlock            161          [<ffffffff812e8d42>] btrfs_run_delayed_iputs+0x42/0x130

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

   &(&cur_trans->delayed_refs.lock)->rlo:           153            157           0.32          40.33         773.67          31011         432772           0.13         243.41      548468.57
   -------------------------------------
   &(&cur_trans->delayed_refs.lock)->rlo             49          [<ffffffff813203b8>] btrfs_add_delayed_tree_ref+0xb8/0x190
   &(&cur_trans->delayed_refs.lock)->rlo             90          [<ffffffff812d160d>] run_clustered_refs+0x13d/0x870
   &(&cur_trans->delayed_refs.lock)->rlo              4          [<ffffffff81320548>] btrfs_add_delayed_data_ref+0xb8/0x1a0
   &(&cur_trans->delayed_refs.lock)->rlo             14          [<ffffffff812d1da0>] btrfs_run_delayed_refs+0x60/0x220
   -------------------------------------
   &(&cur_trans->delayed_refs.lock)->rlo             78          [<ffffffff813203b8>] btrfs_add_delayed_tree_ref+0xb8/0x190
   &(&cur_trans->delayed_refs.lock)->rlo             27          [<ffffffff812d1da0>] btrfs_run_delayed_refs+0x60/0x220
   &(&cur_trans->delayed_refs.lock)->rlo             42          [<ffffffff812d160d>] run_clustered_refs+0x13d/0x870
   &(&cur_trans->delayed_refs.lock)->rlo             10          [<ffffffff81320548>] btrfs_add_delayed_data_ref+0xb8/0x1a0

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

                   &(&base->lock)->rlock:           154            156           0.31           9.14         217.28          34635       14302141           0.00         259.42     2908550.47
                   ---------------------
                   &(&base->lock)->rlock             39          [<ffffffff8105af9f>] add_timer_on+0x5f/0x110
                   &(&base->lock)->rlock             95          [<ffffffff8105a9e7>] run_timer_softirq+0x47/0x3d0
                   &(&base->lock)->rlock             20          [<ffffffff8105a11b>] lock_timer_base.clone.20+0x3b/0x70
                   &(&base->lock)->rlock              2          [<ffffffff8105ab81>] run_timer_softirq+0x1e1/0x3d0
                   ---------------------
                   &(&base->lock)->rlock             43          [<ffffffff8105a9e7>] run_timer_softirq+0x47/0x3d0
                   &(&base->lock)->rlock             98          [<ffffffff8105af9f>] add_timer_on+0x5f/0x110
                   &(&base->lock)->rlock             15          [<ffffffff8105a11b>] lock_timer_base.clone.20+0x3b/0x70

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

                 &(&n->list_lock)->rlock:            89             98           0.29          11.11         215.33         194826         539065           0.00         232.16      301854.99
                 -----------------------
                 &(&n->list_lock)->rlock             64          [<ffffffff8112abd3>] __slab_free+0x123/0x2c0
                 &(&n->list_lock)->rlock             34          [<ffffffff8112a945>] get_partial_node+0x55/0x1c0
                 -----------------------
                 &(&n->list_lock)->rlock             61          [<ffffffff8112abd3>] __slab_free+0x123/0x2c0
                 &(&n->list_lock)->rlock             37          [<ffffffff8112a945>] get_partial_node+0x55/0x1c0

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

                           &tree->lock-W:            83             83           0.65           6.63         179.67          88871         384422           0.13          83.74      311728.62
                           &tree->lock-R:            13             13           0.54           9.93          44.30         170162      101256136           0.00         277.96    18987411.47
                           -------------
                             &tree->lock              5          [<ffffffff8130690f>] __btrfs_map_block+0xff/0x870
                             &tree->lock              8          [<ffffffff812e6a94>] btrfs_get_extent+0x94/0x960
                             &tree->lock             82          [<ffffffff81302335>] try_release_extent_mapping+0xa5/0x180
                             &tree->lock              1          [<ffffffff813088ab>] __btrfs_alloc_chunk+0x47b/0x750
                           -------------
                             &tree->lock              5          [<ffffffff813088ab>] __btrfs_alloc_chunk+0x47b/0x750
                             &tree->lock             85          [<ffffffff81302335>] try_release_extent_mapping+0xa5/0x180
                             &tree->lock              3          [<ffffffff812e6a94>] btrfs_get_extent+0x94/0x960
                             &tree->lock              1          [<ffffffff8130690f>] __btrfs_map_block+0xff/0x870

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

   &(&fs_info->block_group_cache_lock)->:            75             80           0.14          22.05         371.07          42223         551653           0.12          99.88      329215.07
   -------------------------------------
   &(&fs_info->block_group_cache_lock)->             80          [<ffffffff812ca108>] block_group_cache_tree_search+0x28/0xd0
   -------------------------------------
   &(&fs_info->block_group_cache_lock)->             77          [<ffffffff812ca108>] block_group_cache_tree_search+0x28/0xd0
   &(&fs_info->block_group_cache_lock)->              3          [<ffffffff812ca497>] btrfs_add_block_group_cache+0x27/0xd0

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

                           &rq->lock#2/1:            64             64           0.45          12.66         316.91           2059           4578           0.09          95.74       32481.23
                           -------------
                           &rq->lock#2/1             61          [<ffffffff810350a2>] double_rq_lock+0x62/0x80
                           &rq->lock#2/1              3          [<ffffffff81035082>] double_rq_lock+0x42/0x80
                           -------------
                           &rq->lock#2/1              5          [<ffffffff8162770e>] __schedule+0xbe/0x8f0
                           &rq->lock#2/1             51          [<ffffffff81035075>] double_rq_lock+0x35/0x80
                           &rq->lock#2/1              5          [<ffffffff810350a2>] double_rq_lock+0x62/0x80
                           &rq->lock#2/1              1          [<ffffffff810440c5>] scheduler_tick+0x45/0x290

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

                           &rq->lock#4/1:            58             58           0.46          44.05         505.32            115            265           0.09           4.70         294.50
                           -------------
                           &rq->lock#4/1             58          [<ffffffff810350a2>] double_rq_lock+0x62/0x80
                           -------------
                           &rq->lock#4/1             51          [<ffffffff810350a2>] double_rq_lock+0x62/0x80
                           &rq->lock#4/1              7          [<ffffffff8162770e>] __schedule+0xbe/0x8f0

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

                                   key#6:            28             32           0.42          15.83         114.85         131589         525228           0.11         194.82      387412.28
                                   -----
                                   key#6             32          [<ffffffff81385520>] __percpu_counter_add+0x50/0x80
                                   -----
                                   key#6             32          [<ffffffff81385520>] __percpu_counter_add+0x50/0x80

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

                         &mm->mmap_sem-W:             3              4          26.73          90.49         241.16             37          95629           0.12      100288.03      389330.17
                         &mm->mmap_sem-R:            24             24           0.38         166.37        2139.76            214          55927           0.16       20267.84      148055.53
                         ---------------
                           &mm->mmap_sem             24          [<ffffffff8162ebbf>] do_page_fault+0x1ef/0x4e0
                           &mm->mmap_sem              1          [<ffffffff8110fdef>] sys_mmap_pgoff+0x5f/0x240
                           &mm->mmap_sem              2          [<ffffffff8111036b>] sys_munmap+0x4b/0x80
                           &mm->mmap_sem              1          [<ffffffff81111315>] sys_mprotect+0xd5/0x1e0
                         ---------------
                           &mm->mmap_sem              5          [<ffffffff8111036b>] sys_munmap+0x4b/0x80
                           &mm->mmap_sem             18          [<ffffffff8162ebbf>] do_page_fault+0x1ef/0x4e0
                           &mm->mmap_sem              3          [<ffffffff8110fdef>] sys_mmap_pgoff+0x5f/0x240
                           &mm->mmap_sem              2          [<ffffffff81111315>] sys_mprotect+0xd5/0x1e0

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

                                    #1-W:             6             12           1.06          14.56          53.21             50         137424           0.15         248.37      103935.44
                                    #1-R:            10             10           0.86           4.31          18.73           9992         370676           0.14         245.67      346867.43
                                    ----
                                      #1             10          [<ffffffff813122b1>] btrfs_tree_lock+0x111/0x250
                                      #1              4          [<ffffffff81311ecc>] btrfs_clear_lock_blocking_rw+0x3c/0xd0
                                      #1              6          [<ffffffff81312000>] btrfs_tree_read_lock+0xa0/0x130
                                      #1              2          [<ffffffff81311f11>] btrfs_clear_lock_blocking_rw+0x81/0xd0
                                    ----
                                      #1             10          [<ffffffff81312000>] btrfs_tree_read_lock+0xa0/0x130
                                      #1              3          [<ffffffff813122b1>] btrfs_tree_lock+0x111/0x250
                                      #1              5          [<ffffffff81311f11>] btrfs_clear_lock_blocking_rw+0x81/0xd0
                                      #1              4          [<ffffffff81311ecc>] btrfs_clear_lock_blocking_rw+0x3c/0xd0

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

                                    #1-W:            11             11           0.61          19.07          40.01             87            410           0.16          18.19         626.81
                                    #1-R:             9             10           0.67          16.54          57.12        6587264      244735847           0.00         466.11   192724381.92
                                    ----
                                      #1              5          [<ffffffff81311f11>] btrfs_clear_lock_blocking_rw+0x81/0xd0
                                      #1              6          [<ffffffff81312000>] btrfs_tree_read_lock+0xa0/0x130
                                      #1              6          [<ffffffff813122b1>] btrfs_tree_lock+0x111/0x250
                                      #1              4          [<ffffffff81311ecc>] btrfs_clear_lock_blocking_rw+0x3c/0xd0
                                    ----
                                      #1              5          [<ffffffff813122b1>] btrfs_tree_lock+0x111/0x250
                                      #1              7          [<ffffffff81311f11>] btrfs_clear_lock_blocking_rw+0x81/0xd0
                                      #1              5          [<ffffffff81312000>] btrfs_tree_read_lock+0xa0/0x130
                                      #1              4          [<ffffffff81311ecc>] btrfs_clear_lock_blocking_rw+0x3c/0xd0

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

                  &(&cache->lock)->rlock:             8             16           0.45          18.56          80.18          27055         239186           0.11          65.39      122248.57
                  ----------------------
                  &(&cache->lock)->rlock             12          [<ffffffff812ce542>] update_block_group.clone.61+0x172/0x2c0
                  &(&cache->lock)->rlock              3          [<ffffffff812d24da>] btrfs_update_reserved_bytes+0x9a/0x130
                  &(&cache->lock)->rlock              1          [<ffffffff812d350f>] btrfs_free_tree_block+0x15f/0x310
                  ----------------------
                  &(&cache->lock)->rlock              7          [<ffffffff812ce542>] update_block_group.clone.61+0x172/0x2c0
                  &(&cache->lock)->rlock              5          [<ffffffff812d24da>] btrfs_update_reserved_bytes+0x9a/0x130
                  &(&cache->lock)->rlock              4          [<ffffffff812d350f>] btrfs_free_tree_block+0x15f/0x310

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

               &(&dentry->d_lock)->rlock:            15             15           0.31          12.46          28.56           8338         793485           0.09         251.21      125043.89
               -------------------------
               &(&dentry->d_lock)->rlock             12          [<ffffffff8114b822>] dput+0x32/0x1d0
               &(&dentry->d_lock)->rlock              2          [<ffffffff8114c731>] __d_lookup+0xe1/0x1a0
               &(&dentry->d_lock)->rlock              1          [<ffffffff811412ce>] follow_managed+0x16e/0x2e0
               -------------------------
               &(&dentry->d_lock)->rlock              6          [<ffffffff8113fab1>] unlazy_walk+0x71/0x250
               &(&dentry->d_lock)->rlock              3          [<ffffffff8114b822>] dput+0x32/0x1d0
               &(&dentry->d_lock)->rlock              3          [<ffffffff8114c731>] __d_lookup+0xe1/0x1a0
               &(&dentry->d_lock)->rlock              3          [<ffffffff811412ce>] follow_managed+0x16e/0x2e0

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

         &(&cluster->refill_lock)->rlock:            15             15           0.94          19.13          91.71          21726          92473           0.58          83.75       97477.48
         -------------------------------
         &(&cluster->refill_lock)->rlock             15          [<ffffffff812d2858>] find_free_extent.clone.64+0x2e8/0xb10
         -------------------------------
         &(&cluster->refill_lock)->rlock             15          [<ffffffff812d2858>] find_free_extent.clone.64+0x2e8/0xb10

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

                     &(&ei->lock)->rlock:            13             13           0.67           2.81          19.17         131978      100665484           0.00         280.68    14380256.64
                     -------------------
                     &(&ei->lock)->rlock              5          [<ffffffff812d0b5a>] btrfs_delalloc_reserve_metadata+0x6a/0x150
                     &(&ei->lock)->rlock              2          [<ffffffff812e4102>] btrfs_split_extent_hook+0x32/0x50
                     &(&ei->lock)->rlock              4          [<ffffffff812ca34b>] drop_outstanding_extent+0x2b/0x70
                     &(&ei->lock)->rlock              2          [<ffffffff812e4152>] btrfs_merge_extent_hook+0x32/0x50
                     -------------------
                     &(&ei->lock)->rlock              6          [<ffffffff812ca34b>] drop_outstanding_extent+0x2b/0x70
                     &(&ei->lock)->rlock              4          [<ffffffff812d0b5a>] btrfs_delalloc_reserve_metadata+0x6a/0x150
                     &(&ei->lock)->rlock              2          [<ffffffff812e4152>] btrfs_merge_extent_hook+0x32/0x50
                     &(&ei->lock)->rlock              1          [<ffffffff812e4102>] btrfs_split_extent_hook+0x32/0x50

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

          &(&mm->page_table_lock)->rlock:            12             12           0.31           3.64          17.60            463         107199           0.11         218.42       34432.58
          ------------------------------
          &(&mm->page_table_lock)->rlock              1          [<ffffffff81107044>] __do_fault+0x154/0x4a0
          &(&mm->page_table_lock)->rlock             11          [<ffffffff81109bfd>] handle_pte_fault+0x72d/0x8c0
          ------------------------------
          &(&mm->page_table_lock)->rlock              9          [<ffffffff81109bfd>] handle_pte_fault+0x72d/0x8c0
          &(&mm->page_table_lock)->rlock              3          [<ffffffff811095cb>] handle_pte_fault+0xfb/0x8c0

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

            &(&bp->indirect_lock)->rlock:             9              9           0.77           3.09          16.55           5126          10518           0.13         166.98       13383.49
            ----------------------------
            &(&bp->indirect_lock)->rlock              6          [<ffffffffa01939ce>] bnx2_reg_rd_ind+0x2e/0x60 [bnx2]
            &(&bp->indirect_lock)->rlock              3          [<ffffffffa01963f8>] bnx2_send_heart_beat+0x28/0x70 [bnx2]
            ----------------------------
            &(&bp->indirect_lock)->rlock              2          [<ffffffffa01963f8>] bnx2_send_heart_beat+0x28/0x70 [bnx2]
            &(&bp->indirect_lock)->rlock              7          [<ffffffffa01939ce>] bnx2_reg_rd_ind+0x2e/0x60 [bnx2]

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

               &(&ctl->tree_lock)->rlock:             5              8           0.71           7.26          30.66          24623         268824           0.11          82.66      107968.88
               -------------------------
               &(&ctl->tree_lock)->rlock              6          [<ffffffff8131c1b4>] btrfs_alloc_from_cluster+0x1a4/0x230
               &(&ctl->tree_lock)->rlock              2          [<ffffffff812d2819>] find_free_extent.clone.64+0x2a9/0xb10
               -------------------------
               &(&ctl->tree_lock)->rlock              1          [<ffffffff8131ac4d>] __btrfs_add_free_space+0x4d/0x400
               &(&ctl->tree_lock)->rlock              7          [<ffffffff812d2819>] find_free_extent.clone.64+0x2a9/0xb10

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

             &(&root->inode_lock)->rlock:             8              8           0.81           3.86          14.07            344            585           0.13          20.24        1632.57
             ---------------------------
             &(&root->inode_lock)->rlock              4          [<ffffffff81328a7c>] btrfs_get_delayed_node+0x7c/0xe0
             &(&root->inode_lock)->rlock              4          [<ffffffff81328bf8>] btrfs_get_or_create_delayed_node+0x118/0x1c0
             ---------------------------
             &(&root->inode_lock)->rlock              5          [<ffffffff81328a7c>] btrfs_get_delayed_node+0x7c/0xe0
             &(&root->inode_lock)->rlock              3          [<ffffffff81328bf8>] btrfs_get_or_create_delayed_node+0x118/0x1c0

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

                                   key#5:             8              8           0.73           6.92          15.67         656808        1050504           0.11         181.68      412540.75
                                   -----
                                   key#5              8          [<ffffffff81385520>] __percpu_counter_add+0x50/0x80
                                   -----
                                   key#5              8          [<ffffffff81385520>] __percpu_counter_add+0x50/0x80

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

            &(&tree->buffer_lock)->rlock:             8              8           0.89          50.78          79.48          22589         112464           0.13          66.76       74992.23
            ----------------------------
            &(&tree->buffer_lock)->rlock              6          [<ffffffff813027d4>] alloc_extent_buffer+0x3c4/0x4e0
            &(&tree->buffer_lock)->rlock              2          [<ffffffff81304ec0>] try_release_extent_buffer+0x40/0xe0
            ----------------------------
            &(&tree->buffer_lock)->rlock              4          [<ffffffff81304ec0>] try_release_extent_buffer+0x40/0xe0
            &(&tree->buffer_lock)->rlock              4          [<ffffffff813027d4>] alloc_extent_buffer+0x3c4/0x4e0

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

                                    #5-W:             8              8           0.87          20.72          51.04         830610        2538933           0.14         270.54     1896938.79
                                    #5-R:             0              0           0.00           0.00           0.00            956           3487           0.12         104.12        4815.30
                                    ----
                                      #5              4          [<ffffffff81312154>] btrfs_try_tree_write_lock+0x44/0x90
                                      #5              4          [<ffffffff813122b1>] btrfs_tree_lock+0x111/0x250
                                    ----
                                      #5              8          [<ffffffff81311f11>] btrfs_clear_lock_blocking_rw+0x81/0xd0

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

                                    #8-W:             7              7           0.58           5.52          15.59          15440         417936           0.14         108.84      435499.01
                                    #8-R:             0              0           0.00           0.00           0.00            412           7216           0.14          44.09        2932.07
                                    ----
                                      #8              6          [<ffffffff81312154>] btrfs_try_tree_write_lock+0x44/0x90
                                      #8              1          [<ffffffff813122b1>] btrfs_tree_lock+0x111/0x250
                                    ----
                                      #8              7          [<ffffffff81311f11>] btrfs_clear_lock_blocking_rw+0x81/0xd0

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

                   &fs_info->reloc_mutex:             6              6          25.41       19170.91       51001.11            175            180           0.55        2990.96       97479.25
                   ---------------------
                   &fs_info->reloc_mutex              6          [<ffffffff812e2569>] btrfs_record_root_in_trans+0x49/0x90
                   ---------------------
                   &fs_info->reloc_mutex              6          [<ffffffff812e2569>] btrfs_record_root_in_trans+0x49/0x90

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

                &(&cluster->lock)->rlock:             4              5           0.49          12.09          17.91          21912         194019           0.11          70.73       74312.67
                ------------------------
                &(&cluster->lock)->rlock              3          [<ffffffff812d2673>] find_free_extent.clone.64+0x103/0xb10
                &(&cluster->lock)->rlock              2          [<ffffffff8131c04c>] btrfs_alloc_from_cluster+0x3c/0x230
                ------------------------
                &(&cluster->lock)->rlock              4          [<ffffffff812d2673>] find_free_extent.clone.64+0x103/0xb10
                &(&cluster->lock)->rlock              1          [<ffffffff8131c04c>] btrfs_alloc_from_cluster+0x3c/0x230

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

                     &(&fs->lock)->rlock:             4              4           0.65           3.51           8.27            399          10845           0.12          43.20        9279.59
                     -------------------
                     &(&fs->lock)->rlock              4          [<ffffffff8113fbe0>] unlazy_walk+0x1a0/0x250
                     -------------------
                     &(&fs->lock)->rlock              4          [<ffffffff8113fbe0>] unlazy_walk+0x1a0/0x250

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

                           &rq->lock#3/1:             4              4           3.11           7.39          22.34             31             31           0.11           0.28           5.98
                           -------------
                           &rq->lock#3/1              4          [<ffffffff810350a2>] double_rq_lock+0x62/0x80
                           -------------
                           &rq->lock#3/1              3          [<ffffffff81035075>] double_rq_lock+0x35/0x80
                           &rq->lock#3/1              1          [<ffffffff81042ad0>] active_load_balance_cpu_stop+0x40/0x260

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

               &sb->s_type->i_lock_key#1:             3              3           1.05           1.53           3.75         180065        8211124           0.11         254.54     1241912.62
               -------------------------
               &sb->s_type->i_lock_key#1              2          [<ffffffff81138d68>] inode_get_bytes+0x28/0x60
               &sb->s_type->i_lock_key#1              1          [<ffffffff81138e5e>] inode_add_bytes+0x2e/0xa0
               -------------------------
               &sb->s_type->i_lock_key#1              1          [<ffffffff8115cbc2>] writeback_single_inode+0x212/0x400
               &sb->s_type->i_lock_key#1              1          [<ffffffff81138d68>] inode_get_bytes+0x28/0x60
               &sb->s_type->i_lock_key#1              1          [<ffffffff8115d12e>] writeback_sb_inodes+0x11e/0x270

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

              &(&newf->file_lock)->rlock:             3              3           0.64           1.04           2.68            522         181006           0.12          55.44       27242.90
              --------------------------
              &(&newf->file_lock)->rlock              2          [<ffffffff81150cbb>] alloc_fd+0x3b/0x150
              &(&newf->file_lock)->rlock              1          [<ffffffff81132227>] fd_install+0x47/0x80
              --------------------------
              &(&newf->file_lock)->rlock              3          [<ffffffff81150cbb>] alloc_fd+0x3b/0x150

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

                &(&wb->list_lock)->rlock:             3              3           1.90           8.34          13.23          12382          35345           0.12         185.95      141478.92
                ------------------------
                &(&wb->list_lock)->rlock              3          [<ffffffff8115b64d>] __mark_inode_dirty+0x14d/0x230
                ------------------------
                &(&wb->list_lock)->rlock              1          [<ffffffff8115b64d>] __mark_inode_dirty+0x14d/0x230
                &(&wb->list_lock)->rlock              2          [<ffffffff8115d225>] writeback_sb_inodes+0x215/0x270

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

               &(&sem->wait_lock)->rlock:             3              3           1.35           3.17           6.39             34             35           0.17          49.31         174.24
               -------------------------
               &(&sem->wait_lock)->rlock              3          [<ffffffff8162a9a6>] rwsem_down_failed_common+0x46/0x160
               -------------------------
               &(&sem->wait_lock)->rlock              3          [<ffffffff8136f1e3>] rwsem_wake+0x23/0x60

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

                                 sb_lock:             3              3           0.89           1.45           3.77           1390           9296           0.12          75.78       13843.76
                                 -------
                                 sb_lock              2          [<ffffffff81137635>] grab_super_passive+0x25/0xc0
                                 sb_lock              1          [<ffffffff81137a22>] iterate_supers+0xb2/0xf0
                                 -------
                                 sb_lock              1          [<ffffffff81137a22>] iterate_supers+0xb2/0xf0
                                 sb_lock              2          [<ffffffff81137635>] grab_super_passive+0x25/0xc0

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

                        &input_pool.lock:             3              3           0.48           3.05           5.53            558          91087           0.00          31.28       30917.20
                        ----------------
                        &input_pool.lock              3          [<ffffffff81418c4e>] mix_pool_bytes_extract+0x5e/0x180
                        ----------------
                        &input_pool.lock              3          [<ffffffff81418c4e>] mix_pool_bytes_extract+0x5e/0x180

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

       &(&futex_queues[i].lock)->rlock/1:             1              1           0.84           0.84           0.84             53             59           0.10          58.56         417.11
       ---------------------------------
       &(&futex_queues[i].lock)->rlock/1              1          [<ffffffff81088369>] futex_requeue+0x3d9/0x8a0
       ---------------------------------
       &(&futex_queues[i].lock)->rlock/1              1          [<ffffffff81086e49>] futex_wait_setup+0x69/0x100

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

                                   key#2:             1              1           2.13           2.13           2.13           1417           2087           0.12          35.81        5300.61
                                   -----
                                   key#2              1          [<ffffffff8106e641>] finish_wait+0x41/0x80
                                   -----
                                   key#2              1          [<ffffffff81034bb2>] __wake_up+0x32/0x70

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

   &(&fs_info->ordered_extent_lock)->rlo:             1              1           1.33           1.33           1.33          20278          47792           0.12          69.73       90530.86
   -------------------------------------
   &(&fs_info->ordered_extent_lock)->rlo              1          [<ffffffff812fc29d>] __btrfs_remove_ordered_extent+0x6d/0x150
   -------------------------------------
   &(&fs_info->ordered_extent_lock)->rlo              1          [<ffffffff812fd3d1>] btrfs_run_ordered_operations+0x51/0x220

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

                                   key#2:             1              1           0.66           0.66           0.66             63          10526           0.12          11.90        1566.49
                                   -----
                                   key#2              1          [<ffffffff8106e7c1>] remove_wait_queue+0x21/0x70
                                   -----
                                   key#2              1          [<ffffffff81034b17>] __wake_up_sync_key+0x37/0x80

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

        &(&journal->j_state_lock)->rlock:             1              1           0.92           0.92           0.92             50            842           0.12          24.44         804.80
        --------------------------------
        &(&journal->j_state_lock)->rlock              1          [<ffffffff8121ca22>] journal_next_log_block+0x32/0xa0
        --------------------------------
        &(&journal->j_state_lock)->rlock              1          [<ffffffff81215085>] journal_stop+0x155/0x2e0

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

                 &sb->s_type->i_lock_key:             0              0           0.00           0.00           0.00             13            268           0.18           5.69         105.33
                         inode_hash_lock:             0              0           0.00           0.00           0.00            174          68876           0.12         180.71       36592.65
                             sysfs_mutex:             0              0           0.00           0.00           0.00             13         516285           0.16          83.58      297741.58
                    &irq_desc_lock_class:             0              0           0.00           0.00           0.00           1565         877440           0.00         228.00      249760.82
                                   key#4:             0              0           0.00           0.00           0.00             12             24           0.14           3.59          15.17
                                pgd_lock:             0              0           0.00           0.00           0.00             42             67           0.17           6.44          90.93
                 &rcu_bh_state.onofflock:             0              0           0.00           0.00           0.00              0            532           2.66          18.47        3458.70
                     file_systems_lock-R:             0              0           0.00           0.00           0.00              4              5          13.46          19.87          80.02
                                events-R:             0              0           0.00           0.00           0.00              0         124704           3.22      135149.02     2367199.14
                             sysctl_lock:             0              0           0.00           0.00           0.00              6             56           0.12           1.61          13.31
                        &namespace_sem-R:             0              0           0.00           0.00           0.00              2              9           0.21          84.24         274.00
                         vfsmount_lock-R:             0              0           0.00           0.00           0.00              0         196224           0.09          82.42       80704.24
               __vsyscall_gtod_data.lock:             0              0           0.00           0.00           0.00              0         259194           0.00          29.81      267502.56
              &rcu_sched_state.onofflock:             0              0           0.00           0.00           0.00           5425           8217           2.23          36.60       68280.24
                &(&stopper->lock)->rlock:             0              0           0.00           0.00           0.00           1026           1575           0.12          21.19        2657.07
                     tick_broadcast_lock:             0              0           0.00           0.00           0.00              0              8           0.48           0.72           4.56
                           big_tty_mutex:             0              0           0.00           0.00           0.00              2              8           0.13          10.09          26.10
                   &(&gcwq->lock)->rlock:             0              0           0.00           0.00           0.00             90         382599           0.00         244.37      931169.07
                  random_write_wait.lock:             0              0           0.00           0.00           0.00             21            216           0.12           2.71          43.03
                                     key:             0              0           0.00           0.00           0.00             42             70           0.00          27.97         248.16
                     kthread_create_lock:             0              0           0.00           0.00           0.00             40             60           0.12           1.21          28.61
                           watchdog_lock:             0              0           0.00           0.00           0.00           5183           5183           3.28          28.39       34804.08
             &(&sighand->siglock)->rlock:             0              0           0.00           0.00           0.00            269           1527           0.11          26.53        2369.88
                &(&p->alloc_lock)->rlock:             0              0           0.00           0.00           0.00            238           1584           0.11          17.32        2004.12
                         tasklist_lock-W:             0              0           0.00           0.00           0.00            235            918           0.16          34.98        2658.94
                         tasklist_lock-R:             0              0           0.00           0.00           0.00            217           2785           0.16          57.37        9031.43
                             pidmap_lock:             0              0           0.00           0.00           0.00            214            463           0.17           8.71         456.19
                           vmlist_lock-R:             0              0           0.00           0.00           0.00              2              2          14.27          15.57          29.84
                             &p->pi_lock:             0              0           0.00           0.00           0.00         818090        2181336           0.00         285.82     5347629.80
                                pci_lock:             0              0           0.00           0.00           0.00          10368          46655           0.00         186.84       93090.12
                         pci_config_lock:             0              0           0.00           0.00           0.00          10368          46655           0.00         186.56       56642.84
                &rcu_sched_state.fqslock:             0              0           0.00           0.00           0.00              0          16304           0.10         268.41      231352.80
              &sb->s_type->i_mutex_key#4:             0              0           0.00           0.00           0.00             17             78           2.42          12.54         639.69
                               balancing:             0              0           0.00           0.00           0.00              0         588125           0.08         278.89     1951125.60
                         &cpu_base->lock:             0              0           0.00           0.00           0.00             90       24895461           0.00         202.67     7479859.95
               &sb->s_type->i_lock_key#9:             0              0           0.00           0.00           0.00              9             66           0.09           3.45          36.31
                               bdev_lock:             0              0           0.00           0.00           0.00              2              2          15.02          19.08          34.10
              &sb->s_type->i_mutex_key#7:             0              0           0.00           0.00           0.00             32            201           0.20          14.12         174.83
                               tty_mutex:             0              0           0.00           0.00           0.00              2              6           0.86           6.01          15.21
                              &tbl->lock:             0              0           0.00           0.00           0.00              4           3156           0.12          24.17        3281.63
                                  &timer:             0              0           0.00           0.00           0.00              0         844842           0.00          26.40      116368.51
                          files_lglock-R:             0              0           0.00           0.00           0.00              0         120058           0.09         267.77       12030.59
                  &mapping->i_mmap_mutex:             0              0           0.00           0.00           0.00            281           1572           0.16           6.95        1024.48
                   &fsnotify_mark_srcu-R:             0              0           0.00           0.00           0.00              0       50332130           0.00         265.94     4742066.55
                &child->perf_event_mutex:             0              0           0.00           0.00           0.00            221            225           0.18           4.57         299.40
                                   key#1:             0              0           0.00           0.00           0.00             62           5255           0.12          17.17         808.14
                        &ei->xattr_sem-R:             0              0           0.00           0.00           0.00             15             19           0.17           3.02          14.74
                                bdi_lock:             0              0           0.00           0.00           0.00              0             11          18.78          61.60         441.35
                          &port_lock_key:             0              0           0.00           0.00           0.00              4             13           0.12          23.40          85.41
                         rcu_read_lock-R:             0              0           0.00           0.00           0.00              0      694324376           0.00         595.91   109683694.56
                      nl_table_wait.lock:             0              0           0.00           0.00           0.00              4            226           0.12           0.72          46.89
                         nl_table_lock-R:             0              0           0.00           0.00           0.00              4            226           0.13           1.10          57.25
                        proc_subdir_lock:             0              0           0.00           0.00           0.00             21          22891           0.14          39.69       38554.48
               &sb->s_type->i_lock_key#8:             0              0           0.00           0.00           0.00              0            264           0.09          57.61         141.61
               &sb->s_type->i_lock_key#4:             0              0           0.00           0.00           0.00              2         242951           0.09         206.30       49644.51
                            &port->mutex:             0              0           0.00           0.00           0.00              3              5           0.46           3.32           7.26
                         &watchdog_timer:             0              0           0.00           0.00           0.00              0           5183           3.90          31.33       39442.89
                          &hcd->rh_timer:             0              0           0.00           0.00           0.00              0          10367           7.45         191.83       96654.60
                   &(&uhci->lock)->rlock:             0              0           0.00           0.00           0.00              0          10367           6.85         191.09       78179.36
         &(&ent->pde_unload_lock)->rlock:             0              0           0.00           0.00           0.00            241          61412           0.12           6.37        8941.21
                           &ndev->lock-R:             0              0           0.00           0.00           0.00              0            123           0.21           1.48          71.59
                 &(&mc->mca_lock)->rlock:             0              0           0.00           0.00           0.00              0             41           0.22           0.32          10.12
                      rcu_read_lock_bh-R:             0              0           0.00           0.00           0.00              0           1848           0.08           6.56        1992.27
                    addrconf_verify_lock:             0              0           0.00           0.00           0.00              0             41           2.14           5.21         148.61
                               cdev_lock:             0              0           0.00           0.00           0.00              6              7           0.61           1.48           8.00
   &(&dev->mode_config.output_poll_work):             0              0           0.00           0.00           0.00              0            259           0.98          29.17        2339.36
                     &tty->termios_mutex:             0              0           0.00           0.00           0.00              0              1           0.54           0.54           0.54
                                   key#1:             0              0           0.00           0.00           0.00              2              7           0.12           0.55           1.63
                          tty_files_lock:             0              0           0.00           0.00           0.00              2              8           0.13           0.83           2.37
                     tty_ldisc_idle.lock:             0              0           0.00           0.00           0.00              0              2           0.19           0.30           0.48
                   &(&port->lock)->rlock:             0              0           0.00           0.00           0.00              2              4           0.14           0.59           1.24
                      &(&i->lock)->rlock:             0              0           0.00           0.00           0.00              0              4          17.50          27.33          90.68
                  &sig->cred_guard_mutex:             0              0           0.00           0.00           0.00             12             15         196.70       28606.41      101009.16
                                   key#6:             0              0           0.00           0.00           0.00            942           1070           0.15          16.80        3649.90
                        &anon_vma->mutex:             0              0           0.00           0.00           0.00            571         191081           0.15          55.06       40523.78
                             rename_lock:             0              0           0.00           0.00           0.00              8             85           0.38           5.29         117.17
                         &mm->mmap_sem/1:             0              0           0.00           0.00           0.00              0             14          51.34         999.44        4806.80
        &(&mm->page_table_lock)->rlock/1:             0              0           0.00           0.00           0.00              2            333           0.15         216.61        2214.51
                                   key#2:             0              0           0.00           0.00           0.00             25            436           0.12           2.41          72.73
           &flush_state[i].tlbstate_lock:             0              0           0.00           0.00           0.00             14            452           1.40          71.05        2082.17
                          &(work)->timer:             0              0           0.00           0.00           0.00              0         124359           0.65         246.72      892509.94
                         (&(work)->work):             0              0           0.00           0.00           0.00              0         124359           2.55      135147.96     2225946.88
                 &type->s_umount_key#1-R:             0              0           0.00           0.00           0.00              1              4           0.14           0.97           2.33
              &sb->s_type->i_mutex_key#6:             0              0           0.00           0.00           0.00             31          22894           3.07         223.67      228403.04
                         dcache_lru_lock:             0              0           0.00           0.00           0.00            171            199           0.12          20.53         279.76
             &(&dentry->d_lock)->rlock/1:             0              0           0.00           0.00           0.00            209            262           0.12           2.24         109.63
                                &p->lock:             0              0           0.00           0.00           0.00              0          14584           0.20       34231.42      364052.09
                 &type->s_umount_key#1-R:             0              0           0.00           0.00           0.00              1              4           0.14           0.74           2.10
                 &type->s_umount_key#1-R:             0              0           0.00           0.00           0.00              1              4           0.14           0.75           1.85
            &sb->s_type->i_mutex_key#7/1:             0              0           0.00           0.00           0.00              2              2           1.35           2.16           3.50
                 &tty->atomic_write_lock:             0              0           0.00           0.00           0.00              0              1          18.84          18.84          18.84
                         unix_table_lock:             0              0           0.00           0.00           0.00             10             70           0.12           3.14          31.72
                            &u->readlock:             0              0           0.00           0.00           0.00              6             15           3.90          20.12         159.60
              &sb->s_type->i_mutex_key#8:             0              0           0.00           0.00           0.00           1407          38236           0.17         109.65       29708.01
                  sysfs_open_dirent_lock:             0              0           0.00           0.00           0.00             10         153780           0.12           5.61       21013.32
                          &buffer->mutex:             0              0           0.00           0.00           0.00              1          51260           1.21       61074.16      234450.81
                               swap_lock:             0              0           0.00           0.00           0.00            123           2863           0.12           3.43         597.90
                               uts_sem-R:             0              0           0.00           0.00           0.00              2              2           0.83           1.17           2.00
                                   key#2:             0              0           0.00           0.00           0.00             13             45           0.12          21.21         136.30
                      &(&u->lock)->rlock:             0              0           0.00           0.00           0.00             19             85           0.13           7.29         116.78
                    &(&f->f_lock)->rlock:             0              0           0.00           0.00           0.00              0              7           1.11           3.27          12.68
      &af_unix_sk_receive_queue_lock_key:             0              0           0.00           0.00           0.00             13             90           0.12           3.15          27.96
                                   key#2:             0              0           0.00           0.00           0.00              6             45           0.12           0.49           9.37
        &(&mapping->private_lock)->rlock:             0              0           0.00           0.00           0.00             57            198           0.12          11.66         177.69
                   random_read_wait.lock:             0              0           0.00           0.00           0.00            251           2502           0.12          14.13         804.45
                                   key#3:             0              0           0.00           0.00           0.00              1              1           2.39           2.39           2.39
               &sb->s_type->i_lock_key#1:             0              0           0.00           0.00           0.00            528           1150           0.10           6.71         588.55
                &fs_info->tree_log_mutex:             0              0           0.00           0.00           0.00             73             86         382.71      944320.77    26315360.92
                                   key#3:             0              0           0.00           0.00           0.00             12             29           0.12           2.95          20.68
                                   key#3:             0              0           0.00           0.00           0.00              7             22           0.13           6.75          23.87
         &(&journal->j_list_lock)->rlock:             0              0           0.00           0.00           0.00             28            749           0.13          22.46         568.38
                                   key#3:             0              0           0.00           0.00           0.00              4             10           0.13           1.68           6.70
                           clock-AF_UNIX:             0              0           0.00           0.00           0.00              0             30           0.12           3.27          11.75
              &sb->s_type->i_mutex_key#1:             0              0           0.00           0.00           0.00             42            414           0.16       10304.56       31180.48
                       &tty->ldisc_mutex:             0              0           0.00           0.00           0.00              2              2           0.73           0.75           1.48
                             fasync_lock:             0              0           0.00           0.00           0.00              6              7           0.35           2.11           6.24
                                    #1-W:             0              0           0.00           0.00           0.00             33            558           0.15          13.05         630.94
                                    #1-R:             0              0           0.00           0.00           0.00            142           1938           0.14          50.00        3492.92
               &sb->s_type->i_lock_key#3:             0              0           0.00           0.00           0.00             13             30           0.13           2.81          28.09
                            init_fs.lock:             0              0           0.00           0.00           0.00              8             26           0.12           2.12           9.47
   &(&(kretprobe_table_locks[i].lock))->:             0              0           0.00           0.00           0.00            192            225           0.16           4.80         213.14
       &(&sbi->s_rsv_window_lock)->rlock:             0              0           0.00           0.00           0.00              1              3           0.17           1.42           2.66
                          file_lock_lock:             0              0           0.00           0.00           0.00              4             15           1.36           7.13          50.51
         &(&sbi->s_next_gen_lock)->rlock:             0              0           0.00           0.00           0.00              4              5           0.27           1.79           3.23
           &(&bgl->locks[i].lock)->rlock:             0              0           0.00           0.00           0.00              8             16           0.13           1.50           8.99
                     edac_pci_ctls_mutex:             0              0           0.00           0.00           0.00             90           2575           0.58          25.42        6338.09
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              1              4           0.14           0.86           2.44
                    &(&ifa->lock)->rlock:             0              0           0.00           0.00           0.00              0             82           0.13           0.36          15.12
                         &tb->tb6_lock-W:             0              0           0.00           0.00           0.00              0            247           0.17          16.35        1041.38
                         &tb->tb6_lock-R:             0              0           0.00           0.00           0.00              0            123           0.25           2.99         144.32
                      fib6_walker_lock-W:             0              0           0.00           0.00           0.00              0            348           0.11           1.24          67.07
                      fib6_walker_lock-R:             0              0           0.00           0.00           0.00              0             66           0.14           0.49          15.62
                           slock-AF_INET:             0              0           0.00           0.00           0.00              0             24           0.15           3.05          10.24
                           clock-AF_INET:             0              0           0.00           0.00           0.00              0             24           0.13           2.36           8.20
           &sig->threadgroup_fork_lock-R:             0              0           0.00           0.00           0.00              6            199           3.93          27.31        1074.66
          &(&table->hash[i].lock)->rlock:             0              0           0.00           0.00           0.00              0           1975           0.12           0.56         399.05
             &(&rt_hash_locks[i])->rlock:             0              0           0.00           0.00           0.00              0            423           0.19           3.59         419.80
                     &ei->truncate_mutex:             0              0           0.00           0.00           0.00              8             11           0.68         119.22         276.63
                            s_active#3-R:             0              0           0.00           0.00           0.00              0          24960           0.60      110137.13      133904.69
                            s_active#4-R:             0              0           0.00           0.00           0.00              0          49920           0.50      138692.12      186768.79
                            s_active#4-R:             0              0           0.00           0.00           0.00              0          24440           0.41          62.76       23536.71
                                   key#4:             0              0           0.00           0.00           0.00             28            351           0.12           2.47          67.99
                            events_nrt-R:             0              0           0.00           0.00           0.00              0            259        2098.32       45305.20     1321934.60
                &journal->j_commit_timer:             0              0           0.00           0.00           0.00              0             16           0.09          22.54          65.07
                                   key#5:             0              0           0.00           0.00           0.00              6             15           0.14          21.98          51.10
                 &dev->mode_config.mutex:             0              0           0.00           0.00           0.00              0            259        2096.76       45301.71     1321036.85
             &dev->mode_config.idr_mutex:             0              0           0.00           0.00           0.00              0            259           0.31           1.47         231.97
      &(&intf->waiting_msgs_lock)->rlock:             0              0           0.00           0.00           0.00              0           2591           0.12           2.90         595.66
                             &ipmi_timer:             0              0           0.00           0.00           0.00              0           2591           2.09          31.29       18337.85
               &(&intf->seq_lock)->rlock:             0              0           0.00           0.00           0.00              0           2591           0.28          26.19        3697.85
                    &(&pci->work)->timer:             0              0           0.00           0.00           0.00              0           2575           1.90          45.70       20425.41
                           edac-poller-R:             0              0           0.00           0.00           0.00              0           2575           1.07          31.23       10514.64
                   (&(&pci->work)->work):             0              0           0.00           0.00           0.00              0           2575           0.86          28.96        8697.77
                 &(&bp->phy_lock)->rlock:             0              0           0.00           0.00           0.00              0           2720           0.19         217.99       11626.98
          &(&dev->tx_global_lock)->rlock:             0              0           0.00           0.00           0.00              0            518           5.36          16.74        5264.05
                           _xmit_ETHER#2:             0              0           0.00           0.00           0.00              0           4146           0.12           4.36        1479.07
                 &(&list->lock)->rlock#2:             0              0           0.00           0.00           0.00              0           4148           0.10           5.39        1567.42
                             &vha->timer:             0              0           0.00           0.00           0.00              0          46655           0.14         189.65      205641.31
                   &rcu_bh_state.fqslock:             0              0           0.00           0.00           0.00              0            535           0.31          28.89        8710.94
                              &n->lock-W:             0              0           0.00           0.00           0.00              6            863           0.14           6.23         782.71
                              &n->lock-R:             0              0           0.00           0.00           0.00              0             79           0.20           0.92          29.50
                            s_active#5-R:             0              0           0.00           0.00           0.00              0           1568           0.33          54.88        1446.68
                            s_active#5-R:             0              0           0.00           0.00           0.00              0            816           0.33           4.67         635.95
                            s_active#5-R:             0              0           0.00           0.00           0.00              0            816           0.52           7.86         682.49
                              &bp->timer:             0              0           0.00           0.00           0.00              0           2592           4.14          31.92       19277.35
                 &(&list->lock)->rlock#4:             0              0           0.00           0.00           0.00              2             79           0.12           0.24          11.56
                          icmp6_dst_lock:             0              0           0.00           0.00           0.00              0             87           0.24           1.45          45.94
                       &wb->wakeup_timer:             0              0           0.00           0.00           0.00              0              6           5.37          40.26          89.62
                 &(&bdi->wb_lock)->rlock:             0              0           0.00           0.00           0.00            270            836           0.12          38.08         831.68
          &(&(&n->ha_lock)->lock)->rlock:             0              0           0.00           0.00           0.00              0             28           0.14           0.21           4.27
                    &dev->watchdog_timer:             0              0           0.00           0.00           0.00              0            518           5.67          18.60        5795.52
                          tty_ldisc_lock:             0              0           0.00           0.00           0.00              0              2           0.28           0.86           1.13
   (&(&dev->mode_config.output_poll_work:             0              0           0.00           0.00           0.00              0            259        2097.97       45304.39     1321724.39
                 &(&tbl->gc_work)->timer:             0              0           0.00           0.00           0.00              0            345           0.79          22.45        2483.26
                (&(&tbl->gc_work)->work):             0              0           0.00           0.00           0.00              0            345           5.25          36.96        4241.00
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              1             12           0.59         232.51        1092.81
                                   key#5:             0              0           0.00           0.00           0.00              3              8           0.12           0.64           2.84
                &net->ipv6.ip6_fib_timer:             0              0           0.00           0.00           0.00              0             87          11.97          37.41        1782.98
                            fib6_gc_lock:             0              0           0.00           0.00           0.00              0             87          10.75          34.34        1637.81
       &(&journal->j_revoke_lock)->rlock:             0              0           0.00           0.00           0.00              3              8           0.21           1.92           4.66
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              2              8           0.16           1.10           3.90
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              1              4           0.15           0.82           2.37
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              4             16           0.12           0.67           6.16
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              1              4           0.12           1.13           2.45
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              1              4           0.13           0.71           1.68
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              1              4           0.13           0.81           1.81
                 &type->s_umount_key#3-R:             0              0           0.00           0.00           0.00              1              4           0.13           0.84           1.96
                 &type->s_umount_key#3-R:             0              0           0.00           0.00           0.00              1              4           0.13           0.81           2.15
                                   key#6:             0              0           0.00           0.00           0.00             16             24           0.14          16.00          62.47
                 &type->s_umount_key#3-R:             0              0           0.00           0.00           0.00              1              4           0.19           1.38           3.58
                     &sbi->s_orphan_lock:             0              0           0.00           0.00           0.00              4             10           2.67          18.59          69.55
                    &in_dev->mr_gq_timer:             0              0           0.00           0.00           0.00              0             43           0.82           6.87         141.79
                              jbd_handle:             0              0           0.00           0.00           0.00              0            351           2.19         721.44        4110.59
   &(&transaction->t_handle_lock)->rlock:             0              0           0.00           0.00           0.00             29            712           0.12           9.18         302.57
                                       t:             0              0           0.00           0.00           0.00              0            384           2.02          52.42        2402.97
                        &f->secret_timer:             0              0           0.00           0.00           0.00              0              8           8.21          25.35         137.57
                                &f->lock:             0              0           0.00           0.00           0.00              0              8           7.12          23.32         122.39
                          &fc->rnd_timer:             0              0           0.00           0.00           0.00              0              4          26.03          28.75         110.62
                              &rif_timer:             0              0           0.00           0.00           0.00              0              8           1.37           6.33          24.50
                                rif_lock:             0              0           0.00           0.00           0.00              0              8           0.40           1.94           5.50
                     &(&pl->lock)->rlock:             0              0           0.00           0.00           0.00            770            780           0.12           2.66         229.79
                   &(&pl->lock)->rlock#2:             0              0           0.00           0.00           0.00              4              5           1.80          42.69          89.91
                 swapper_space.tree_lock:             0              0           0.00           0.00           0.00             99            165           0.14          10.30         453.39
                             mmlist_lock:             0              0           0.00           0.00           0.00             14             14           0.32           7.29          21.47
                         swap_token_lock:             0              0           0.00           0.00           0.00              0              1           0.95           0.95           0.95
               &s->s_dquot.dqonoff_mutex:             0              0           0.00           0.00           0.00              1              6           0.21           5.60          10.32
          &fs_devices->device_list_mutex:             0              0           0.00           0.00           0.00             57             86         146.36      164091.97     1344475.02
                           binfmt_lock-R:             0              0           0.00           0.00           0.00             13             34           0.14           3.02          20.15
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              1             12          34.15        1629.94        3063.51
                                   key#8:             0              0           0.00           0.00           0.00          30860          41792           0.12           9.25       15845.88
                                      -W:             0              0           0.00           0.00           0.00            240            973           0.12          23.97         776.12
                                      -R:             0              0           0.00           0.00           0.00            189            464           0.14          25.89         726.27
                                    #2-W:             0              0           0.00           0.00           0.00              2            934           0.15          18.58         495.76
                                    #2-R:             0              0           0.00           0.00           0.00             73            387           0.14           4.48         105.02
                                    #3-W:             0              0           0.00           0.00           0.00          33524         299907           0.11         173.18      291426.38
                                    #3-R:             0              0           0.00           0.00           0.00              9             64           0.14           1.32          16.10
                    &found->groups_sem-W:             0              0           0.00           0.00           0.00            186            197           0.27           7.83         308.93
                    &found->groups_sem-R:             0              0           0.00           0.00           0.00          22504         114459           0.11         207.54      659322.20
       &fs_info->durable_block_rsv_mutex:             0              0           0.00           0.00           0.00             64             86           3.82          57.27        1264.27
                       &tty->output_lock:             0              0           0.00           0.00           0.00              0              2           6.76           7.39          14.15
                 &fs_info->cleaner_mutex:             0              0           0.00           0.00           0.00              0             85           4.65       67245.33      577744.37
     &fs_info->transaction_kthread_mutex:             0              0           0.00           0.00           0.00             64             85          48.05     2404687.25    57962383.83
   &(&fs_info->fs_roots_radix_lock)->rlo:             0              0           0.00           0.00           0.00            170            258           0.14          47.78        1555.43
   &(&fs_info->defrag_inodes_lock)->rloc:             0              0           0.00           0.00           0.00             21             85           0.56           7.79         286.12
                              rtnl_mutex:             0              0           0.00           0.00           0.00              4             24           1.17          19.14          79.97
                              xtime_lock:             0              0           0.00           0.00           0.00              0         259194           0.00          42.86     1511261.10
                 &type->s_umount_key#3-R:             0              0           0.00           0.00           0.00              1           4376           2.57    11245029.95   792934298.21
      &fs_info->ordered_operations_mutex:             0              0           0.00           0.00           0.00            235           6010           0.40          49.29        7502.59
       &(&cur_trans->commit_lock)->rlock:             0              0           0.00           0.00           0.00             84             86           0.28          11.83          90.11
                                   key#8:             0              0           0.00           0.00           0.00             70             86           0.13           4.66          60.71
              &sb->s_type->i_mutex_key#1:             0              0           0.00           0.00           0.00             12             20           0.39           5.59          62.14
                    &fs_info->scrub_lock:             0              0           0.00           0.00           0.00             73             86           0.20           1.78          50.88
            &sb->s_type->i_mutex_key#1/1:             0              0           0.00           0.00           0.00              0              5          11.39          18.84          72.37
           &fs_info->extent_commit_sem-W:             0              0           0.00           0.00           0.00             74            173           0.18           1.78         117.27
           &fs_info->extent_commit_sem-R:             0              0           0.00           0.00           0.00              1              1          13.69          13.69          13.69
                     &caching_ctl->mutex:             0              0           0.00           0.00           0.00              1              1          21.81          21.81          21.81
                                   key#8:             0              0           0.00           0.00           0.00              2              4           0.13           8.62          10.35
                        &head_ref->mutex:             0              0           0.00           0.00           0.00              0         135925           0.12      180121.59    10671508.38
                                   key#9:             0              0           0.00           0.00           0.00             86             86           0.21           8.08          59.48
                                   key#9:             0              0           0.00           0.00           0.00             64             86           0.14           5.77         252.60
                                    #6-W:             0              0           0.00           0.00           0.00             44            498           0.12          19.75         294.98
                                    #6-R:             0              0           0.00           0.00           0.00            464           1703           0.11          21.78        1716.64
                 &type->s_umount_key#1-R:             0              0           0.00           0.00           0.00              1              4           0.13           0.79           2.12
            &sb->s_type->i_mutex_key#1/1:             0              0           0.00           0.00           0.00              0              7           0.90         142.19         168.37
                   &root->objectid_mutex:             0              0           0.00           0.00           0.00            144            194           0.19          16.82         760.27
        &(&root->accounting_lock)->rlock:             0              0           0.00           0.00           0.00          17440          70472           0.11          73.24       84380.09
                                    #1-W:             0              0           0.00           0.00           0.00             33           1072           0.15          22.40        1522.63
                                    #1-R:             0              0           0.00           0.00           0.00            156           1129           0.14          36.84        3279.42
                    &(&u->lock)->rlock/1:             0              0           0.00           0.00           0.00              0             10           0.25           1.29           7.02
                &(&cache->lock)->rlock#2:             0              0           0.00           0.00           0.00          14608          41778           0.12          60.89       56732.46
                  &root->fs_commit_mutex:             0              0           0.00           0.00           0.00             73             86           0.65           2.83         146.71
                                   key#9:             0              0           0.00           0.00           0.00          20164          20890           0.12          10.82        8810.05
                      &sync_supers_timer:             0              0           0.00           0.00           0.00              0            432           3.67          23.52        4423.79
                                   key#3:             0              0           0.00           0.00           0.00              2              2           0.76           4.57           5.33
                      inode_sb_list_lock:             0              0           0.00           0.00           0.00            179          46354           0.12         348.99        7819.80
                  &nonblocking_pool.lock:             0              0           0.00           0.00           0.00             21         393902           0.12         236.19      106077.44
