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:      10386495       10417672           0.11      680805.62  7627319846.26       29265436       35130962           0.08        7121.32    64155760.71
          ------------------------------
          &(&fs_info->trans_lock)->rlock        5440938          [<ffffffff8130e0e5>] join_transaction.clone.25+0x25/0x370
          &(&fs_info->trans_lock)->rlock        4976474          [<ffffffff8130eb48>] btrfs_transaction_in_commit+0x28/0x60
          &(&fs_info->trans_lock)->rlock            201          [<ffffffff8130e4e2>] wait_current_trans.clone.26+0x22/0xf0
          &(&fs_info->trans_lock)->rlock             25          [<ffffffff812e6104>] add_root_to_dirty_list+0x24/0x90
          ------------------------------
          &(&fs_info->trans_lock)->rlock        4943072          [<ffffffff8130eb48>] btrfs_transaction_in_commit+0x28/0x60
          &(&fs_info->trans_lock)->rlock        5474418          [<ffffffff8130e0e5>] join_transaction.clone.25+0x25/0x370
          &(&fs_info->trans_lock)->rlock            123          [<ffffffff8130e4e2>] wait_current_trans.clone.26+0x22/0xf0
          &(&fs_info->trans_lock)->rlock             29          [<ffffffff812e6104>] add_root_to_dirty_list+0x24/0x90

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

                         btrfs-csum-01-W:       6436098        6714104           0.10       10370.65    50739725.17       12364426       59159939           0.08        5796.20    70981110.13
                         btrfs-csum-01-R:       3135159        3335002           0.09        5806.85    22244665.29       11777991       57727617           0.08       10353.94    56646855.05
                         ---------------
                           btrfs-csum-01        3348385          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           btrfs-csum-01         640169          [<ffffffff8133e83a>] btrfs_clear_lock_blocking_rw+0x6a/0x1a0
                           btrfs-csum-01        1054543          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                           btrfs-csum-01        2149652          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                         ---------------
                           btrfs-csum-01         411548          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                           btrfs-csum-01        1667665          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           btrfs-csum-01        5173114          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                           btrfs-csum-01         439664          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140

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

                      &eb->write_lock_wq:       7124135        7683610           0.09         324.67    45621828.34       15683984       19277309           0.08         304.23    36196245.55
                      ------------------
                      &eb->write_lock_wq        1451583          [<ffffffff8106e892>] __wake_up+0x32/0x70
                      &eb->write_lock_wq        2594118          [<ffffffff81063531>] finish_wait+0x41/0x80
                      &eb->write_lock_wq        3637909          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90
                      ------------------
                      &eb->write_lock_wq        1280758          [<ffffffff81063531>] finish_wait+0x41/0x80
                      &eb->write_lock_wq        2466206          [<ffffffff8106e892>] __wake_up+0x32/0x70
                      &eb->write_lock_wq        3936646          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90

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

                &(&eb->refs_lock)->rlock:       5233622        5385560           0.09        7122.72    11776308.26       64091895      254610240           0.08       12812.45    67016994.65
                ------------------------
                &(&eb->refs_lock)->rlock        3314181          [<ffffffff8132b7df>] free_extent_buffer+0x1f/0x90
                &(&eb->refs_lock)->rlock        2071378          [<ffffffff81325345>] check_buffer_tree_ref+0x25/0x50
                &(&eb->refs_lock)->rlock              1          [<ffffffff8132baef>] btree_write_cache_pages+0x29f/0x820
                ------------------------
                &(&eb->refs_lock)->rlock        3161423          [<ffffffff8132b7df>] free_extent_buffer+0x1f/0x90
                &(&eb->refs_lock)->rlock        2224137          [<ffffffff81325345>] check_buffer_tree_ref+0x25/0x50

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

           &(&delayed_root->lock)->rlock:       4965075        4966522           0.19      323387.04  4385954453.48       18945488       21521328           0.08        5631.00    60899011.32
           -----------------------------
           &(&delayed_root->lock)->rlock        4840404          [<ffffffff81356b55>] __btrfs_release_delayed_node+0x65/0x210
           &(&delayed_root->lock)->rlock          78417          [<ffffffff81356c00>] __btrfs_release_delayed_node+0x110/0x210
           &(&delayed_root->lock)->rlock          38452          [<ffffffff813574f3>] btrfs_next_delayed_node+0x33/0x90
           &(&delayed_root->lock)->rlock           9249          [<ffffffff81357491>] btrfs_first_delayed_node+0x21/0x50
           -----------------------------
           &(&delayed_root->lock)->rlock        4874544          [<ffffffff81356b55>] __btrfs_release_delayed_node+0x65/0x210
           &(&delayed_root->lock)->rlock          51256          [<ffffffff813574f3>] btrfs_next_delayed_node+0x33/0x90
           &(&delayed_root->lock)->rlock          29583          [<ffffffff81356c00>] __btrfs_release_delayed_node+0x110/0x210
           &(&delayed_root->lock)->rlock          11139          [<ffffffff81357491>] btrfs_first_delayed_node+0x21/0x50

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

                  &(&found->lock)->rlock:       4413312        4413797           0.09      283065.27  2502271635.42       38319285       38859391           0.08        9909.40    53172834.41
                  ----------------------
                  &(&found->lock)->rlock        3029534          [<ffffffff812f9b2b>] reserve_metadata_bytes.clone.60+0x7b/0x7c0
                  &(&found->lock)->rlock        1077924          [<ffffffff812fa307>] btrfs_check_data_free_space+0x97/0x270
                  &(&found->lock)->rlock         289710          [<ffffffff812f5cc3>] block_rsv_release_bytes+0x113/0x190
                  &(&found->lock)->rlock           8554          [<ffffffff812f8a75>] do_chunk_alloc.clone.59+0x55/0x420
                  ----------------------
                  &(&found->lock)->rlock        3059341          [<ffffffff812f9b2b>] reserve_metadata_bytes.clone.60+0x7b/0x7c0
                  &(&found->lock)->rlock        1078036          [<ffffffff812fa307>] btrfs_check_data_free_space+0x97/0x270
                  &(&found->lock)->rlock           7474          [<ffffffff812f8a75>] do_chunk_alloc.clone.59+0x55/0x420
                  &(&found->lock)->rlock              7          [<ffffffff812f3992>] update_space_info+0x62/0x210

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

                       &eb->read_lock_wq:       2058868        2202910           0.10         279.56    11304820.26        5781346        7569033           0.08         278.29    13248523.45
                       -----------------
                       &eb->read_lock_wq        1071927          [<ffffffff8106e892>] __wake_up+0x32/0x70
                       &eb->read_lock_wq         442505          [<ffffffff81063531>] finish_wait+0x41/0x80
                       &eb->read_lock_wq         688478          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90
                       -----------------
                       &eb->read_lock_wq         283006          [<ffffffff81063531>] finish_wait+0x41/0x80
                       &eb->read_lock_wq         568256          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90
                       &eb->read_lock_wq        1351648          [<ffffffff8106e892>] __wake_up+0x32/0x70

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

           &(&mapping->tree_lock)->rlock:       1781631        2053833           0.10         664.71     2952842.63        4192830       70355719           0.10         273.54    24938250.36
           -----------------------------
           &(&mapping->tree_lock)->rlock         691726          [<ffffffff811042f3>] test_set_page_writeback+0x63/0x190
           &(&mapping->tree_lock)->rlock          16886          [<ffffffff810f9a51>] add_to_page_cache_locked+0x71/0xe0
           &(&mapping->tree_lock)->rlock        1335598          [<ffffffff8110586f>] test_clear_page_writeback+0x5f/0x1b0
           &(&mapping->tree_lock)->rlock           9623          [<ffffffff811040f0>] __set_page_dirty_nobuffers+0x60/0x150
           -----------------------------
           &(&mapping->tree_lock)->rlock          23174          [<ffffffff811040f0>] __set_page_dirty_nobuffers+0x60/0x150
           &(&mapping->tree_lock)->rlock         981267          [<ffffffff811042f3>] test_set_page_writeback+0x63/0x190
           &(&mapping->tree_lock)->rlock          21881          [<ffffffff810f9a51>] add_to_page_cache_locked+0x71/0xe0
           &(&mapping->tree_lock)->rlock        1027511          [<ffffffff8110586f>] test_clear_page_writeback+0x5f/0x1b0

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

       &(&fs_info->delalloc_lock)->rlock:       1455187        1456301           0.10      400051.90  1062958890.19       17477456       17639575           0.08        5043.97    21951204.19
       ---------------------------------
       &(&fs_info->delalloc_lock)->rlock        1452442          [<ffffffff81313206>] btrfs_set_bit_hook+0x96/0x190
       &(&fs_info->delalloc_lock)->rlock           1393          [<ffffffff8130a4d1>] btrfs_mark_buffer_dirty+0x91/0xf0
       &(&fs_info->delalloc_lock)->rlock           1480          [<ffffffff812f6b7b>] update_block_group.clone.58+0x3b/0x2a0
       &(&fs_info->delalloc_lock)->rlock             87          [<ffffffff813134af>] btrfs_clear_bit_hook+0x1af/0x240
       ---------------------------------
       &(&fs_info->delalloc_lock)->rlock        1452734          [<ffffffff81313206>] btrfs_set_bit_hook+0x96/0x190
       &(&fs_info->delalloc_lock)->rlock           1383          [<ffffffff8130a4d1>] btrfs_mark_buffer_dirty+0x91/0xf0
       &(&fs_info->delalloc_lock)->rlock           1249          [<ffffffff812f6b7b>] update_block_group.clone.58+0x3b/0x2a0
       &(&fs_info->delalloc_lock)->rlock            109          [<ffffffff813134af>] btrfs_clear_bit_hook+0x1af/0x240

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

                    &(&rsv->lock)->rlock:       1314887        1315980           0.10      507975.12   695129048.84       37858117       38778093           0.08        6939.62    52046339.04
                    --------------------
                    &(&rsv->lock)->rlock        1069740          [<ffffffff812fa76a>] btrfs_block_rsv_check+0x3a/0x90
                    &(&rsv->lock)->rlock         206107          [<ffffffff812f24d5>] block_rsv_add_bytes+0x35/0x80
                    &(&rsv->lock)->rlock              9          [<ffffffff812f5a54>] update_global_block_rsv+0x134/0x290
                    &(&rsv->lock)->rlock          38888          [<ffffffff812f5bf1>] block_rsv_release_bytes+0x41/0x190
                    --------------------
                    &(&rsv->lock)->rlock        1069727          [<ffffffff812fa76a>] btrfs_block_rsv_check+0x3a/0x90
                    &(&rsv->lock)->rlock         161162          [<ffffffff812f24d5>] block_rsv_add_bytes+0x35/0x80
                    &(&rsv->lock)->rlock             13          [<ffffffff812f5a54>] update_global_block_rsv+0x134/0x290
                    &(&rsv->lock)->rlock          84184          [<ffffffff812f5bf1>] block_rsv_release_bytes+0x41/0x190

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

        &(&root->root_times_lock)->rlock:        452856         452957           0.19      102604.69   221703035.71       17427745       17565126           0.10        3858.92    34633125.62
        --------------------------------
        &(&root->root_times_lock)->rlock         452957          [<ffffffff813022f2>] btrfs_update_root_times+0x52/0x90
        --------------------------------
        &(&root->root_times_lock)->rlock         452957          [<ffffffff813022f2>] btrfs_update_root_times+0x52/0x90

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

                         btrfs-csum-02-W:        193574         200696           0.19        1404.21     4927525.97         276815         575946           0.08         310.88     1504325.12
                         btrfs-csum-02-R:        236045         244239           0.11        1254.45     1449823.15       56296633      125939645           0.08       20826.29   227671435.83
                         ---------------
                           btrfs-csum-02         146476          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           btrfs-csum-02          72902          [<ffffffff8133e83a>] btrfs_clear_lock_blocking_rw+0x6a/0x1a0
                           btrfs-csum-02          53423          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                           btrfs-csum-02          46977          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                         ---------------
                           btrfs-csum-02          17248          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                           btrfs-csum-02         103523          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           btrfs-csum-02         109953          [<ffffffff8133e83a>] btrfs_clear_lock_blocking_rw+0x6a/0x1a0
                           btrfs-csum-02         144637          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0

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

                    &delayed_node->mutex:        119831         119831           6.88     3055473.66   125352469.89        3614297       42372416           0.15      323408.27  4726770513.36
                    --------------------
                    &delayed_node->mutex           9060          [<ffffffff81356b3f>] __btrfs_release_delayed_node+0x4f/0x210
                    &delayed_node->mutex          99593          [<ffffffff813592a8>] btrfs_delayed_update_inode+0x48/0x660
                    &delayed_node->mutex           8705          [<ffffffff813579a3>] btrfs_insert_delayed_items+0x43/0x460
                    &delayed_node->mutex            963          [<ffffffff813572ac>] btrfs_update_delayed_inode+0x3c/0x1e0
                    --------------------
                    &delayed_node->mutex           9876          [<ffffffff813592a8>] btrfs_delayed_update_inode+0x48/0x660
                    &delayed_node->mutex          92045          [<ffffffff813572ac>] btrfs_update_delayed_inode+0x3c/0x1e0
                    &delayed_node->mutex          13533          [<ffffffff81356b3f>] __btrfs_release_delayed_node+0x4f/0x210
                    &delayed_node->mutex           4067          [<ffffffff813579a3>] btrfs_insert_delayed_items+0x43/0x460

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

                               &rq->lock:         86823          87003           0.17          38.58      228785.70        1703605       46563258           0.07         285.16    43371309.28
                               ---------
                               &rq->lock              5          [<ffffffff8107bc93>] idle_balance+0x133/0x180
                               &rq->lock              1          [<ffffffff81074c4a>] wake_up_new_task+0x9a/0x1b0
                               &rq->lock           1558          [<ffffffff8169682e>] __schedule+0xbe/0x7c0
                               &rq->lock          82441          [<ffffffff81074a87>] try_to_wake_up+0x237/0x300
                               ---------
                               &rq->lock              1          [<ffffffff8106eaeb>] task_rq_lock+0x5b/0xb0
                               &rq->lock              7          [<ffffffff8107bc93>] idle_balance+0x133/0x180
                               &rq->lock            650          [<ffffffff8107b4af>] load_balance+0x35f/0x820
                               &rq->lock          74119          [<ffffffff8169682e>] __schedule+0xbe/0x7c0

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

                      &(&t->lock)->rlock:         81370          85187           0.09         162.12      130535.65         473315       17844374           0.08         256.94     3405148.32
                      ------------------
                      &(&t->lock)->rlock           6047          [<ffffffff81323d2e>] btrfs_add_ordered_sum+0x2e/0x70
                      &(&t->lock)->rlock          74907          [<ffffffff81323fbc>] btrfs_dec_test_ordered_pending+0x4c/0x1e0
                      &(&t->lock)->rlock           4210          [<ffffffff8132471d>] btrfs_lookup_ordered_extent+0x3d/0x110
                      &(&t->lock)->rlock             19          [<ffffffff81323aad>] __btrfs_add_ordered_extent+0x11d/0x2e0
                      ------------------
                      &(&t->lock)->rlock          66821          [<ffffffff81323fbc>] btrfs_dec_test_ordered_pending+0x4c/0x1e0
                      &(&t->lock)->rlock           8536          [<ffffffff81323d2e>] btrfs_add_ordered_sum+0x2e/0x70
                      &(&t->lock)->rlock           9767          [<ffffffff8132471d>] btrfs_lookup_ordered_extent+0x3d/0x110
                      &(&t->lock)->rlock             12          [<ffffffff81324e0d>] btrfs_ordered_update_i_size+0x5d/0x280

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

                   &(&tree->lock)->rlock:         53255          54508           0.23       57492.90     8388520.10         157106       35161068           0.08      400079.11  1133510711.17
                   ---------------------
                   &(&tree->lock)->rlock          50730          [<ffffffff81325e99>] find_delalloc_range+0x39/0x1d0
                   &(&tree->lock)->rlock           3664          [<ffffffff8132699f>] __set_extent_bit+0x6f/0x4f0
                   &(&tree->lock)->rlock            109          [<ffffffff81326eaa>] clear_extent_bit+0x8a/0x3e0
                   &(&tree->lock)->rlock              5          [<ffffffff81328439>] test_range_bit+0x39/0x180
                   ---------------------
                   &(&tree->lock)->rlock          49432          [<ffffffff8132699f>] __set_extent_bit+0x6f/0x4f0
                   &(&tree->lock)->rlock           4983          [<ffffffff81325e99>] find_delalloc_range+0x39/0x1d0
                   &(&tree->lock)->rlock             93          [<ffffffff81326eaa>] clear_extent_bit+0x8a/0x3e0

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

                 &cur_trans->writer_wait:         22040          22041           0.25          73.32       63786.38         684693         694626           0.08         242.00     2738181.34
                 -----------------------
                 &cur_trans->writer_wait          22039          [<ffffffff8106e892>] __wake_up+0x32/0x70
                 &cur_trans->writer_wait              2          [<ffffffff81063531>] finish_wait+0x41/0x80
                 -----------------------
                 &cur_trans->writer_wait          21738          [<ffffffff8106e892>] __wake_up+0x32/0x70
                 &cur_trans->writer_wait            303          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90

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

                        rcu_node_level_1:          8987           9085           0.30          60.43       48031.81          30852          78511           0.07          18.76       45817.13
                        ----------------
                        rcu_node_level_1            208          [<ffffffff810c54f7>] rcu_start_gp+0x157/0x310
                        rcu_node_level_1           8415          [<ffffffff810c6cb1>] rcu_process_callbacks+0x391/0x530
                        rcu_node_level_1            461          [<ffffffff810c5928>] force_qs_rnp+0x68/0x190
                        rcu_node_level_1              1          [<ffffffff810c580c>] rcu_report_qs_rnp+0x15c/0x210
                        ----------------
                        rcu_node_level_1            210          [<ffffffff810c580c>] rcu_report_qs_rnp+0x15c/0x210
                        rcu_node_level_1           6987          [<ffffffff810c6cb1>] rcu_process_callbacks+0x391/0x530
                        rcu_node_level_1            367          [<ffffffff810c54f7>] rcu_start_gp+0x157/0x310
                        rcu_node_level_1           1521          [<ffffffff810c5928>] force_qs_rnp+0x68/0x190

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

                      &(&h->lock)->rlock:          5325           5368           0.28          36.86       22032.43         178472         732260           0.14         294.50     1495511.84
                      ------------------
                      &(&h->lock)->rlock           1340          [<ffffffff81392a46>] blk_end_bidi_request+0x46/0x80
                      &(&h->lock)->rlock            994          [<ffffffffa0004cd2>] do_cciss_msix_intr+0x22/0x230 [cciss]
                      &(&h->lock)->rlock           1488          [<ffffffffa0003adf>] do_cciss_request+0x49f/0x5f0 [cciss]
                      &(&h->lock)->rlock            197          [<ffffffff813948d7>] blk_flush_plug_list+0x187/0x230
                      ------------------
                      &(&h->lock)->rlock           3116          [<ffffffffa0004cd2>] do_cciss_msix_intr+0x22/0x230 [cciss]
                      &(&h->lock)->rlock            991          [<ffffffffa0003adf>] do_cciss_request+0x49f/0x5f0 [cciss]
                      &(&h->lock)->rlock            654          [<ffffffff81392a46>] blk_end_bidi_request+0x46/0x80
                      &(&h->lock)->rlock            171          [<ffffffff813948d7>] blk_flush_plug_list+0x187/0x230

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

                         btrfs-csum-00-W:          1943           1968           0.24         408.94        3754.68         134943       70451125           0.08        5794.20    10579322.06
                         btrfs-csum-00-R:             0              0           0.00           0.00           0.00              1           3424           0.10           3.43         410.35
                         ---------------
                           btrfs-csum-00            941          [<ffffffff8133eb7f>] btrfs_try_tree_write_lock+0x4f/0xc0
                           btrfs-csum-00           1009          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           btrfs-csum-00             18          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                         ---------------
                           btrfs-csum-00           1548          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                           btrfs-csum-00            410          [<ffffffff8133eb7f>] btrfs_try_tree_write_lock+0x4f/0xc0
                           btrfs-csum-00             10          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280

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

                                   key#5:          1216           1377           0.15          15.19        4273.00         986679        2193777           0.08         253.25     2121546.57
                                   -----
                                   key#5           1377          [<ffffffff813ccae0>] __percpu_counter_add+0x50/0x80
                                   -----
                                   key#5           1377          [<ffffffff813ccae0>] __percpu_counter_add+0x50/0x80

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

          &(&workers->order_lock)->rlock:          1280           1343           0.26         275.71        4852.87         198250         556848           0.10        3478.05      340711.26
          ------------------------------
          &(&workers->order_lock)->rlock            425          [<ffffffff81336eac>] run_ordered_completions+0x4c/0x110
          &(&workers->order_lock)->rlock            345          [<ffffffff81336eef>] run_ordered_completions+0x8f/0x110
          &(&workers->order_lock)->rlock            357          [<ffffffff8133771f>] btrfs_queue_worker+0x24f/0x330
          &(&workers->order_lock)->rlock            216          [<ffffffff81336f36>] run_ordered_completions+0xd6/0x110
          ------------------------------
          &(&workers->order_lock)->rlock            680          [<ffffffff81336eac>] run_ordered_completions+0x4c/0x110
          &(&workers->order_lock)->rlock            179          [<ffffffff81336eef>] run_ordered_completions+0x8f/0x110
          &(&workers->order_lock)->rlock            310          [<ffffffff8133771f>] btrfs_queue_worker+0x24f/0x330
          &(&workers->order_lock)->rlock            174          [<ffffffff81336f36>] run_ordered_completions+0xd6/0x110

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

                             &rq->lock/1:          1210           1212           0.31          42.92        4564.48          12390          36495           0.08         181.37       48803.90
                             -----------
                             &rq->lock/1           1211          [<ffffffff8107b4af>] load_balance+0x35f/0x820
                             &rq->lock/1              1          [<ffffffff810788bc>] active_load_balance_cpu_stop+0x26c/0x280
                             -----------
                             &rq->lock/1            180          [<ffffffff8169682e>] __schedule+0xbe/0x7c0
                             &rq->lock/1            562          [<ffffffff8107b4af>] load_balance+0x35f/0x820
                             &rq->lock/1            307          [<ffffffff8107b6ac>] load_balance+0x55c/0x820
                             &rq->lock/1             51          [<ffffffff81073ce1>] scheduler_tick+0x41/0x1a0

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

                                &q->lock:           806            922           0.26          16.26        1430.54         229504         231610           0.10         288.12      238113.13
                                --------
                                &q->lock            653          [<ffffffff81098d68>] generic_exec_single+0x48/0xb0
                                &q->lock            269          [<ffffffff81099697>] generic_smp_call_function_single_interrupt+0x57/0x120
                                --------
                                &q->lock            488          [<ffffffff81099697>] generic_smp_call_function_single_interrupt+0x57/0x120
                                &q->lock            434          [<ffffffff81098d68>] generic_exec_single+0x48/0xb0

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

              &fs_info->transaction_wait:           502            677           0.51        1640.75      320940.29           1040           1059           0.11         402.36        5160.91
              --------------------------
              &fs_info->transaction_wait            348          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90
              &fs_info->transaction_wait            329          [<ffffffff81063531>] finish_wait+0x41/0x80
              --------------------------
              &fs_info->transaction_wait            305          [<ffffffff8106e892>] __wake_up+0x32/0x70
              &fs_info->transaction_wait            301          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90
              &fs_info->transaction_wait             71          [<ffffffff81063531>] finish_wait+0x41/0x80

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

              &(&device->io_lock)->rlock:           503            510           0.12         205.04        1641.70          49686         237532           0.10        5402.42       88687.26
              --------------------------
              &(&device->io_lock)->rlock            192          [<ffffffff8132dd69>] run_scheduled_bios+0xb9/0x540
              &(&device->io_lock)->rlock            307          [<ffffffff8132e31f>] schedule_bio.clone.43+0x5f/0x120
              &(&device->io_lock)->rlock             11          [<ffffffff8132e07d>] run_scheduled_bios+0x3cd/0x540
              --------------------------
              &(&device->io_lock)->rlock            208          [<ffffffff8132e31f>] schedule_bio.clone.43+0x5f/0x120
              &(&device->io_lock)->rlock            298          [<ffffffff8132dd69>] run_scheduled_bios+0xb9/0x540
              &(&device->io_lock)->rlock              4          [<ffffffff8132e07d>] run_scheduled_bios+0x3cd/0x540

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

                           btrfs-fs-01-W:           119            145           0.56          46.45         596.98            259           7576           0.15          95.82       14474.37
                           btrfs-fs-01-R:           147            150           0.47          41.29         586.78           2076        7249985           0.09         433.30     6141651.04
                           -------------
                             btrfs-fs-01             75          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                             btrfs-fs-01             70          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                             btrfs-fs-01             75          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                             btrfs-fs-01             40          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                           -------------
                             btrfs-fs-01             57          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                             btrfs-fs-01             38          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                             btrfs-fs-01            106          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                             btrfs-fs-01             53          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280

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

                   &(&zone->lock)->rlock:           259            259           0.34          26.93         646.70         564354         615840           0.12         264.63     2751881.97
                   ---------------------
                   &(&zone->lock)->rlock             21          [<ffffffff81101871>] get_page_from_freelist+0x741/0x7b0
                   &(&zone->lock)->rlock             14          [<ffffffff81102c05>] __free_pages_ok+0xb5/0x4e0
                   &(&zone->lock)->rlock            224          [<ffffffff81101573>] get_page_from_freelist+0x443/0x7b0
                   ---------------------
                   &(&zone->lock)->rlock            248          [<ffffffff81101573>] get_page_from_freelist+0x443/0x7b0
                   &(&zone->lock)->rlock              7          [<ffffffff81101871>] get_page_from_freelist+0x741/0x7b0
                   &(&zone->lock)->rlock              2          [<ffffffff81102144>] free_pcppages_bulk+0x34/0x400
                   &(&zone->lock)->rlock              2          [<ffffffff81102c05>] __free_pages_ok+0xb5/0x4e0

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

               &(&zone->lru_lock)->rlock:           205            205           0.25          12.40         314.79        1198081        1283316           0.11         266.48     2367884.77
               -------------------------
               &(&zone->lru_lock)->rlock            204          [<ffffffff81106e5f>] pagevec_lru_move_fn+0xaf/0x120
               &(&zone->lru_lock)->rlock              1          [<ffffffff81106cf8>] release_pages+0x158/0x210
               -------------------------
               &(&zone->lru_lock)->rlock            203          [<ffffffff81106e5f>] pagevec_lru_move_fn+0xaf/0x120
               &(&zone->lru_lock)->rlock              2          [<ffffffff81106cf8>] release_pages+0x158/0x210

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

                         btrfs-csum-03-W:            50             58           0.61         213.12        1689.43             77             99           0.18          32.22         720.74
                         btrfs-csum-03-R:            60             62           0.88          61.76         698.70       35402350       71208548           0.10       12489.48   164096019.50
                         ---------------
                           btrfs-csum-03             39          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           btrfs-csum-03             31          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                           btrfs-csum-03             19          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                           btrfs-csum-03             23          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                         ---------------
                           btrfs-csum-03             16          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                           btrfs-csum-03             54          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                           btrfs-csum-03             15          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                           btrfs-csum-03             21          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280

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

             &fs_info->tree_mod_log_lock:           113            119           0.55       87467.95     1250214.96          55642         165627           0.13       94118.94     2098156.02
             ---------------------------
             &fs_info->tree_mod_log_lock             50          [<ffffffff812e6a7f>] tree_mod_log_insert_key_mask.clone.37+0x8f/0x1d0
             &fs_info->tree_mod_log_lock             63          [<ffffffff812e7245>] tree_mod_log_insert_move.clone.39+0x85/0x190
             &fs_info->tree_mod_log_lock              4          [<ffffffff812e90dc>] btrfs_get_tree_mod_seq+0x3c/0xc0
             &fs_info->tree_mod_log_lock              2          [<ffffffff812e7b84>] tree_mod_log_eb_copy+0x54/0x120
             ---------------------------
             &fs_info->tree_mod_log_lock             23          [<ffffffff812e6a7f>] tree_mod_log_insert_key_mask.clone.37+0x8f/0x1d0
             &fs_info->tree_mod_log_lock             16          [<ffffffff812e7b84>] tree_mod_log_eb_copy+0x54/0x120
             &fs_info->tree_mod_log_lock             28          [<ffffffff812e7245>] tree_mod_log_insert_move.clone.39+0x85/0x190
             &fs_info->tree_mod_log_lock             51          [<ffffffff812e9245>] btrfs_put_tree_mod_seq+0xe5/0x180

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

                                pci_lock:           106            107           0.37          11.81         234.31           3711           7863           1.25          27.69       22049.09
                                --------
                                pci_lock            107          [<ffffffff813d2f82>] pci_bus_read_config_word+0x42/0x90
                                --------
                                pci_lock            107          [<ffffffff813d2f82>] pci_bus_read_config_word+0x42/0x90

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

                        rcu_node_level_0:            94             96           0.38           5.80         150.46           3227           6254           0.10           8.70        5004.18
                        ----------------
                        rcu_node_level_0              9          [<ffffffff810c6c48>] rcu_process_callbacks+0x328/0x530
                        rcu_node_level_0              3          [<ffffffff810c54f7>] rcu_start_gp+0x157/0x310
                        rcu_node_level_0             45          [<ffffffff810c570f>] rcu_report_qs_rnp+0x5f/0x210
                        rcu_node_level_0             21          [<ffffffff810c64c6>] force_quiescent_state+0x146/0x2f0
                        ----------------
                        rcu_node_level_0             12          [<ffffffff810c6c48>] rcu_process_callbacks+0x328/0x530
                        rcu_node_level_0             19          [<ffffffff810c64c6>] force_quiescent_state+0x146/0x2f0
                        rcu_node_level_0             46          [<ffffffff810c570f>] rcu_report_qs_rnp+0x5f/0x210
                        rcu_node_level_0              3          [<ffffffff810c584b>] rcu_report_qs_rnp+0x19b/0x210

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

                 &(&worker->lock)->rlock:            64             67           0.28          10.77          98.13          93591         386699           0.10         202.87      420110.67
                 -----------------------
                 &(&worker->lock)->rlock             41          [<ffffffff81337655>] btrfs_queue_worker+0x185/0x330
                 &(&worker->lock)->rlock             11          [<ffffffff81337c9a>] worker_loop+0x49a/0x5a0
                 &(&worker->lock)->rlock             14          [<ffffffff813379b7>] worker_loop+0x1b7/0x5a0
                 &(&worker->lock)->rlock              1          [<ffffffff8133791f>] worker_loop+0x11f/0x5a0
                 -----------------------
                 &(&worker->lock)->rlock             35          [<ffffffff813379b7>] worker_loop+0x1b7/0x5a0
                 &(&worker->lock)->rlock             26          [<ffffffff81337655>] btrfs_queue_worker+0x185/0x330
                 &(&worker->lock)->rlock              4          [<ffffffff81337c9a>] worker_loop+0x49a/0x5a0
                 &(&worker->lock)->rlock              2          [<ffffffff8133791f>] worker_loop+0x11f/0x5a0

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

   &(&cur_trans->delayed_refs.lock)->rlo:            50             50           0.89       21266.67       25895.88          19080         128279           0.09       35923.37      291501.36
   -------------------------------------
   &(&cur_trans->delayed_refs.lock)->rlo             13          [<ffffffff8134e0ad>] btrfs_add_delayed_tree_ref+0xbd/0x210
   &(&cur_trans->delayed_refs.lock)->rlo              1          [<ffffffff812fc610>] btrfs_run_delayed_refs+0xa0/0x4b0
   &(&cur_trans->delayed_refs.lock)->rlo             30          [<ffffffff812fbc9c>] run_clustered_refs+0x19c/0xa70
   &(&cur_trans->delayed_refs.lock)->rlo              5          [<ffffffff812fbd83>] run_clustered_refs+0x283/0xa70
   -------------------------------------
   &(&cur_trans->delayed_refs.lock)->rlo              5          [<ffffffff812fbc9c>] run_clustered_refs+0x19c/0xa70
   &(&cur_trans->delayed_refs.lock)->rlo              5          [<ffffffff812fc610>] btrfs_run_delayed_refs+0xa0/0x4b0
   &(&cur_trans->delayed_refs.lock)->rlo             29          [<ffffffff8134e0ad>] btrfs_add_delayed_tree_ref+0xbd/0x210
   &(&cur_trans->delayed_refs.lock)->rlo             10          [<ffffffff8134e2bd>] btrfs_add_delayed_data_ref+0xbd/0x220

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

              &sb->s_type->i_mutex_key#1:            35             43        4279.13    23644937.50    50200802.40           2005       17563715           7.21    25359212.53 17980467922.74
              --------------------------
              &sb->s_type->i_mutex_key#1             43          [<ffffffff81159c8e>] do_last+0x32e/0xe60
              --------------------------
              &sb->s_type->i_mutex_key#1             43          [<ffffffff81159c8e>] do_last+0x32e/0xe60

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

               &sb->s_type->i_lock_key#1:            33             34           0.41          28.32         106.07           9838       35135494           0.08        7719.58     4003435.36
               -------------------------
               &sb->s_type->i_lock_key#1              8          [<ffffffff811649a8>] igrab+0x28/0x70
               &sb->s_type->i_lock_key#1             14          [<ffffffff8131b8ce>] btrfs_update_time+0x9e/0xc0
               &sb->s_type->i_lock_key#1              1          [<ffffffff811734a2>] __mark_inode_dirty+0x72/0x230
               &sb->s_type->i_lock_key#1              8          [<ffffffff8114f388>] inode_get_bytes+0x28/0x60
               -------------------------
               &sb->s_type->i_lock_key#1             11          [<ffffffff8131b8ce>] btrfs_update_time+0x9e/0xc0
               &sb->s_type->i_lock_key#1              3          [<ffffffff811649a8>] igrab+0x28/0x70
               &sb->s_type->i_lock_key#1              6          [<ffffffff81173c16>] writeback_sb_inodes+0x296/0x3c0
               &sb->s_type->i_lock_key#1              2          [<ffffffff8114f47e>] inode_add_bytes+0x2e/0xa0

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

                   &(&base->lock)->rlock:            20             21           0.62           5.98          29.53           3918       17774025           0.10         190.20     2530184.25
                   ---------------------
                   &(&base->lock)->rlock             10          [<ffffffff8104e4a4>] run_timer_softirq+0x44/0x3f0
                   &(&base->lock)->rlock              6          [<ffffffff8104e8fb>] add_timer_on+0x5b/0xf0
                   &(&base->lock)->rlock              4          [<ffffffff8104dafb>] lock_timer_base.clone.28+0x3b/0x70
                   &(&base->lock)->rlock              1          [<ffffffff8104e659>] run_timer_softirq+0x1f9/0x3f0
                   ---------------------
                   &(&base->lock)->rlock             11          [<ffffffff8104e8fb>] add_timer_on+0x5b/0xf0
                   &(&base->lock)->rlock              7          [<ffffffff8104e4a4>] run_timer_softirq+0x44/0x3f0
                   &(&base->lock)->rlock              3          [<ffffffff8104dafb>] lock_timer_base.clone.28+0x3b/0x70

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

                 &(&n->list_lock)->rlock:            20             20           0.63           6.51          40.79          35742         164333           0.11          36.88       72727.08
                 -----------------------
                 &(&n->list_lock)->rlock              7          [<ffffffff8114035f>] unfreeze_partials+0x6f/0x1a0
                 &(&n->list_lock)->rlock             13          [<ffffffff8114114f>] get_partial_node.clone.42+0x4f/0x1f0
                 -----------------------
                 &(&n->list_lock)->rlock             15          [<ffffffff8114114f>] get_partial_node.clone.42+0x4f/0x1f0
                 &(&n->list_lock)->rlock              5          [<ffffffff8114035f>] unfreeze_partials+0x6f/0x1a0

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

   &(&fs_info->block_group_cache_lock)->:            16             16           0.75          13.59          44.39          19329         119050           0.12         499.06       60718.33
   -------------------------------------
   &(&fs_info->block_group_cache_lock)->              1          [<ffffffff812f2847>] btrfs_add_block_group_cache+0x27/0xd0
   &(&fs_info->block_group_cache_lock)->             15          [<ffffffff812f21c8>] block_group_cache_tree_search+0x28/0xd0
   -------------------------------------
   &(&fs_info->block_group_cache_lock)->             16          [<ffffffff812f21c8>] block_group_cache_tree_search+0x28/0xd0

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

                                   key#6:             9              9           0.62           4.47          11.29           9902         366466           0.10         250.68       49332.01
                                   -----
                                   key#6              9          [<ffffffff813ccae0>] __percpu_counter_add+0x50/0x80
                                   -----
                                   key#6              9          [<ffffffff813ccae0>] __percpu_counter_add+0x50/0x80

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

                &(&workers->lock)->rlock:             9              9           0.58           8.50          23.41          10145         181329           0.11         244.42      122456.24
                ------------------------
                &(&workers->lock)->rlock              3          [<ffffffff81337ba9>] worker_loop+0x3a9/0x5a0
                &(&workers->lock)->rlock              6          [<ffffffff81337520>] btrfs_queue_worker+0x50/0x330
                ------------------------
                &(&workers->lock)->rlock              4          [<ffffffff81337520>] btrfs_queue_worker+0x50/0x330
                &(&workers->lock)->rlock              5          [<ffffffff81337ba9>] worker_loop+0x3a9/0x5a0

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

            &(&bp->indirect_lock)->rlock:             8              8           0.79           4.27          18.34            849           1774           0.12          36.67        2225.46
            ----------------------------
            &(&bp->indirect_lock)->rlock              3          [<ffffffffa02f9a1e>] bnx2_reg_rd_ind+0x2e/0x60 [bnx2]
            &(&bp->indirect_lock)->rlock              5          [<ffffffffa02fc498>] bnx2_send_heart_beat+0x28/0x70 [bnx2]
            ----------------------------
            &(&bp->indirect_lock)->rlock              5          [<ffffffffa02f9a1e>] bnx2_reg_rd_ind+0x2e/0x60 [bnx2]
            &(&bp->indirect_lock)->rlock              3          [<ffffffffa02fc498>] bnx2_send_heart_beat+0x28/0x70 [bnx2]

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

                        &input_pool.lock:             8              8           0.68           5.13          14.11           5483         138977           0.11          23.16       55154.55
                        ----------------
                        &input_pool.lock              8          [<ffffffff81465fa9>] mix_pool_bytes.clone.7+0x49/0xb0
                        ----------------
                        &input_pool.lock              8          [<ffffffff81465fa9>] mix_pool_bytes.clone.7+0x49/0xb0

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

                   &fs_info->chunk_mutex:             7              7        4517.90       14468.61       49147.82             20            236           0.44       20135.13       54513.71
                   ---------------------
                   &fs_info->chunk_mutex              6          [<ffffffff812f8bab>] do_chunk_alloc.clone.59+0x18b/0x420
                   &fs_info->chunk_mutex              1          [<ffffffff812f8be3>] do_chunk_alloc.clone.59+0x1c3/0x420
                   ---------------------
                   &fs_info->chunk_mutex              7          [<ffffffff812f8be3>] do_chunk_alloc.clone.59+0x1c3/0x420

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

                         &mm->mmap_sem-W:             2              2           4.52          38.94          43.46             16          16198           0.12         802.88       32802.90
                         &mm->mmap_sem-R:             5              5          26.69         125.92         310.11             61          11698           0.17       82359.19      108645.47
                         ---------------
                           &mm->mmap_sem              5          [<ffffffff8169c3bf>] do_page_fault+0x1ef/0x4e0
                           &mm->mmap_sem              1          [<ffffffff81115a34>] vm_mmap_pgoff+0x54/0xa0
                           &mm->mmap_sem              1          [<ffffffff81124286>] vm_munmap+0x46/0x80
                         ---------------
                           &mm->mmap_sem              1          [<ffffffff81115a34>] vm_mmap_pgoff+0x54/0xa0
                           &mm->mmap_sem              3          [<ffffffff8169c3bf>] do_page_fault+0x1ef/0x4e0
                           &mm->mmap_sem              1          [<ffffffff81125f95>] sys_mprotect+0xd5/0x1e0
                           &mm->mmap_sem              2          [<ffffffff81124286>] vm_munmap+0x46/0x80

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

         &(&futex_queues[i].lock)->rlock:             6              6           0.37           4.77          10.42            122            191           0.14          23.02         543.35
         -------------------------------
         &(&futex_queues[i].lock)->rlock              3          [<ffffffff810951fa>] futex_wake+0x7a/0x130
         &(&futex_queues[i].lock)->rlock              2          [<ffffffff81094d69>] futex_wait_setup+0x69/0x100
         &(&futex_queues[i].lock)->rlock              1          [<ffffffff81096037>] futex_requeue+0x147/0x8a0
         -------------------------------
         &(&futex_queues[i].lock)->rlock              1          [<ffffffff810951fa>] futex_wake+0x7a/0x130
         &(&futex_queues[i].lock)->rlock              2          [<ffffffff81096341>] futex_requeue+0x451/0x8a0
         &(&futex_queues[i].lock)->rlock              3          [<ffffffff81094d69>] futex_wait_setup+0x69/0x100

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

                           btrfs-fs-00-W:             5              5           0.65          30.64          40.47           3209        3626657           0.13         383.76     2657134.92
                           btrfs-fs-00-R:             1              1           2.38           2.38           2.38            656           1876           0.11          19.09        1807.70
                           -------------
                             btrfs-fs-00              3          [<ffffffff8133eb7f>] btrfs_try_tree_write_lock+0x4f/0xc0
                             btrfs-fs-00              1          [<ffffffff8133eaff>] btrfs_try_tree_read_lock+0x4f/0x80
                             btrfs-fs-00              2          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           -------------
                             btrfs-fs-00              3          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                             btrfs-fs-00              2          [<ffffffff8133e83a>] btrfs_clear_lock_blocking_rw+0x6a/0x1a0
                             btrfs-fs-00              1          [<ffffffff8133eaff>] btrfs_try_tree_read_lock+0x4f/0x80

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

   &(&fs_info->ordered_extent_lock)->rlo:             5              5           0.65           2.19           7.03           1878         337799           0.11         219.29      259740.55
   -------------------------------------
   &(&fs_info->ordered_extent_lock)->rlo              4          [<ffffffff81324be1>] btrfs_run_ordered_operations+0x51/0x220
   &(&fs_info->ordered_extent_lock)->rlo              1          [<ffffffff81323b53>] __btrfs_add_ordered_extent+0x1c3/0x2e0
   -------------------------------------
   &(&fs_info->ordered_extent_lock)->rlo              2          [<ffffffff813242b3>] btrfs_remove_ordered_extent+0x83/0x180
   &(&fs_info->ordered_extent_lock)->rlo              1          [<ffffffff81323b53>] __btrfs_add_ordered_extent+0x1c3/0x2e0
   &(&fs_info->ordered_extent_lock)->rlo              2          [<ffffffff81324be1>] btrfs_run_ordered_operations+0x51/0x220

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

                                   key#7:             5              5           0.59           0.98           3.91           6487         183498           0.10          25.56       30833.36
                                   -----
                                   key#7              5          [<ffffffff813ccae0>] __percpu_counter_add+0x50/0x80
                                   -----
                                   key#7              5          [<ffffffff813ccae0>] __percpu_counter_add+0x50/0x80

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

         &(&cluster->refill_lock)->rlock:             4              4           0.68          20.38          23.87          16049          24213           0.53         192.98       61079.33
         -------------------------------
         &(&cluster->refill_lock)->rlock              4          [<ffffffff812f90ef>] find_free_extent+0x2af/0xc70
         -------------------------------
         &(&cluster->refill_lock)->rlock              4          [<ffffffff812f90ef>] find_free_extent+0x2af/0xc70

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

                     &(&ei->lock)->rlock:             4              4           0.69           3.58           6.47           5090       52691925           0.10        3404.43     7228732.99
                     -------------------
                     &(&ei->lock)->rlock              2          [<ffffffff812fb196>] btrfs_delalloc_release_metadata+0x46/0x160
                     &(&ei->lock)->rlock              1          [<ffffffff812faf79>] btrfs_delalloc_reserve_metadata+0x229/0x400
                     &(&ei->lock)->rlock              1          [<ffffffff813105c2>] btrfs_merge_extent_hook+0x32/0x50
                     -------------------
                     &(&ei->lock)->rlock              2          [<ffffffff812fadf7>] btrfs_delalloc_reserve_metadata+0xa7/0x400
                     &(&ei->lock)->rlock              1          [<ffffffff81310572>] btrfs_split_extent_hook+0x32/0x50
                     &(&ei->lock)->rlock              1          [<ffffffff812fb196>] btrfs_delalloc_release_metadata+0x46/0x160

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

               &(&dentry->d_lock)->rlock:             4              4           1.03           1.88           6.22           2982         133898           0.08          32.10       20861.18
               -------------------------
               &(&dentry->d_lock)->rlock              4          [<ffffffff811624b2>] dput+0x32/0x1d0
               -------------------------
               &(&dentry->d_lock)->rlock              4          [<ffffffff81155f71>] unlazy_walk+0x71/0x250

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

                     &(&fs->lock)->rlock:             2              2           1.45           3.23           4.69            135           1917           0.10          12.89        1375.38
                     -------------------
                     &(&fs->lock)->rlock              2          [<ffffffff811560a0>] unlazy_walk+0x1a0/0x250
                     -------------------
                     &(&fs->lock)->rlock              2          [<ffffffff811560a0>] unlazy_walk+0x1a0/0x250

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

                                 sb_lock:             2              2           0.90           1.23           2.12             86            976           0.11          12.35         757.49
                                 -------
                                 sb_lock              1          [<ffffffff8114e089>] iterate_supers+0xa9/0x100
                                 sb_lock              1          [<ffffffff8114dddb>] grab_super_passive+0x1b/0x90
                                 -------
                                 sb_lock              1          [<ffffffff8114dddb>] grab_super_passive+0x1b/0x90
                                 sb_lock              1          [<ffffffff8114e089>] iterate_supers+0xa9/0x100

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

                           &tree->lock-W:             0              0           0.00           0.00           0.00           1110           4241           0.11         989.11        9095.08
                           &tree->lock-R:             2              2           3.96           4.71           8.67         159949       35291941           0.12         744.84     5080814.64
                           -------------
                             &tree->lock              2          [<ffffffff81313f3e>] btrfs_get_extent+0x7e/0xa10
                           -------------
                             &tree->lock              2          [<ffffffff81322495>] unpin_extent_cache+0x35/0xc0

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

        &(&journal->j_state_lock)->rlock:             2              2           0.66           5.86           6.52             24            678           0.11          16.67         418.12
        --------------------------------
        &(&journal->j_state_lock)->rlock              1          [<ffffffff8123797c>] journal_commit_transaction+0x8c/0x13f0
        &(&journal->j_state_lock)->rlock              1          [<ffffffff8123c568>] log_wait_commit+0x28/0x150
        --------------------------------
        &(&journal->j_state_lock)->rlock              1          [<ffffffff8123d9f2>] journal_start_commit+0x32/0xa0
        &(&journal->j_state_lock)->rlock              1          [<ffffffff8123797c>] journal_commit_transaction+0x8c/0x13f0

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

                       btrfs-extent-01-W:             2              2           2.71           2.74           5.45            635          80488           0.14       13924.57       78279.60
                       btrfs-extent-01-R:             0              0           0.00           0.00           0.00            120          12123           0.10          66.00        2246.92
                       -----------------
                         btrfs-extent-01              1          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                         btrfs-extent-01              1          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                       -----------------
                         btrfs-extent-01              1          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                         btrfs-extent-01              1          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280

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

                         tasklist_lock-W:             1              1           2.00           2.00           2.00             67            257           0.16          26.92         841.48
                         tasklist_lock-R:             0              0           0.00           0.00           0.00             79            491           0.16          29.95        1669.52
                         ---------------
                           tasklist_lock              1          [<ffffffff8103c1db>] copy_process+0xbeb/0x13a0
                         ---------------
                           tasklist_lock              1          [<ffffffff810430a2>] do_wait+0xc2/0x260

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

              &(&newf->file_lock)->rlock:             1              1           0.65           0.65           0.65            176          30559           0.11          77.98        4185.45
              --------------------------
              &(&newf->file_lock)->rlock              1          [<ffffffff81167f0b>] alloc_fd+0x3b/0x130
              --------------------------
              &(&newf->file_lock)->rlock              1          [<ffffffff81167f0b>] alloc_fd+0x3b/0x130

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

                             &pipe->wait:             1              1           0.98           0.98           0.98             81           1956           0.11          13.68         483.38
                             -----------
                             &pipe->wait              1          [<ffffffff810636b1>] remove_wait_queue+0x21/0x70
                             -----------
                             &pipe->wait              1          [<ffffffff8106e7f7>] __wake_up_sync_key+0x37/0x80

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

          &(&mm->page_table_lock)->rlock:             1              1           1.28           1.28           1.28            132          21242           0.10         201.24        9615.19
          ------------------------------
          &(&mm->page_table_lock)->rlock              1          [<ffffffff8111e8f9>] handle_pte_fault+0x729/0x8c0
          ------------------------------
          &(&mm->page_table_lock)->rlock              1          [<ffffffff8111e2cb>] handle_pte_fault+0xfb/0x8c0

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

            &(&tree->buffer_lock)->rlock:             1              1          11.02          11.02          11.02          16049          24815           0.12         503.18       37056.07
            ----------------------------
            &(&tree->buffer_lock)->rlock              1          [<ffffffff8132b561>] alloc_extent_buffer+0x301/0x480
            ----------------------------
            &(&tree->buffer_lock)->rlock              1          [<ffffffff8132b561>] alloc_extent_buffer+0x301/0x480

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

                &(&cluster->lock)->rlock:             1              1           2.95           2.95           2.95          16079          48690           0.10         633.88       31515.83
                ------------------------
                &(&cluster->lock)->rlock              1          [<ffffffff812f8f6a>] find_free_extent+0x12a/0xc70
                ------------------------
                &(&cluster->lock)->rlock              1          [<ffffffff812f8f6a>] find_free_extent+0x12a/0xc70

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

                   &fs_info->reloc_mutex:             1              1       12690.07       12690.07       12690.07             22             23           0.93        2899.40       24223.45
                   ---------------------
                   &fs_info->reloc_mutex              1          [<ffffffff8130e5f9>] btrfs_record_root_in_trans+0x49/0x90
                   ---------------------
                   &fs_info->reloc_mutex              1          [<ffffffff8130e5f9>] btrfs_record_root_in_trans+0x49/0x90

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

                         &sem->wait_lock:             1              1           7.25           7.25           7.25              9             11           0.14          32.11          92.07
                         ---------------
                         &sem->wait_lock              1          [<ffffffff81697e86>] rwsem_down_failed_common+0x46/0x160
                         ---------------
                         &sem->wait_lock              1          [<ffffffff813b5fd3>] rwsem_wake+0x23/0x60

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

                         inode_hash_lock:             0              0           0.00           0.00           0.00             85          11311           0.11          14.19        5365.49
                             sysfs_mutex:             0              0           0.00           0.00           0.00              6          85942           0.15           8.88       21315.09
                    &irq_desc_lock_class:             0              0           0.00           0.00           0.00            393         282084           0.10         196.53       78948.98
                                pgd_lock:             0              0           0.00           0.00           0.00             21             32           0.15           2.48          32.40
                     file_systems_lock-R:             0              0           0.00           0.00           0.00              1              1          13.90          13.90          13.90
              &rcu_sched_state.onofflock:             0              0           0.00           0.00           0.00            296            491           1.79          38.57        3976.66
                              xtime_lock:             0              0           0.00           0.00           0.00              0          43695           2.40         235.39      504526.76
                   &(&gcwq->lock)->rlock:             0              0           0.00           0.00           0.00             39          64458           0.17          84.21      212536.69
                           watchdog_lock:             0              0           0.00           0.00           0.00            874            874           3.53          26.32        6376.73
                     kthread_create_lock:             0              0           0.00           0.00           0.00             30             45           0.11           6.24          69.40
                                &x->wait:             0              0           0.00           0.00           0.00             27             49           0.12          27.75         199.05
              &sb->s_type->i_mutex_key#4:             0              0           0.00           0.00           0.00              2              8           4.30          15.02          73.38
                &(&stopper->lock)->rlock:             0              0           0.00           0.00           0.00            106            180           0.12          10.76         310.75
                              &x->wait#2:             0              0           0.00           0.00           0.00              7             14           0.13           0.92           6.34
                        &namespace_sem-R:             0              0           0.00           0.00           0.00              1              9           0.20          71.44         261.56
                  random_write_wait.lock:             0              0           0.00           0.00           0.00              4             56           0.12           0.92           9.74
             &(&sighand->siglock)->rlock:             0              0           0.00           0.00           0.00             92            448           0.10          24.39         637.34
                &(&p->alloc_lock)->rlock:             0              0           0.00           0.00           0.00             70            402           0.09          20.58         578.77
                             pidmap_lock:             0              0           0.00           0.00           0.00             68            134           0.32           5.31         121.79
                             &p->pi_lock:             0              0           0.00           0.00           0.00        5168550        9795877           0.10         288.22    28893750.86
                           vmlist_lock-R:             0              0           0.00           0.00           0.00              0              2           5.05          14.48          19.53
                             sysctl_lock:             0              0           0.00           0.00           0.00              2             22           0.11           0.40           3.74
                          &port_lock_key:             0              0           0.00           0.00           0.00              3             13           0.12          21.10          77.50
                      call_function.lock:             0              0           0.00           0.00           0.00             29             30           0.46           4.60          27.30
                               balancing:             0              0           0.00           0.00           0.00              0         209517           0.07         201.11      237660.31
                                bdi_lock:             0              0           0.00           0.00           0.00              0              2          28.25          41.48          69.73
                         pci_config_lock:             0              0           0.00           0.00           0.00           3711           7863           1.02          12.56       11017.44
                                  &timer:             0              0           0.00           0.00           0.00              0        7868063           0.07         235.00      570305.33
                            sb_writers-R:             0              0           0.00           0.00           0.00              0              8           5.92          22.93         107.33
                                     key:             0              0           0.00           0.00           0.00             13            122           0.10           0.71          19.02
                                events-R:             0              0           0.00           0.00           0.00              0          21019           2.76       34568.56      304055.72
                         &cpu_base->lock:             0              0           0.00           0.00           0.00             78        4197874           0.11         267.31    10054761.51
               &sb->s_type->i_lock_key#9:             0              0           0.00           0.00           0.00              3             49           0.10           1.65          16.39
                               bdev_lock:             0              0           0.00           0.00           0.00              0              2           4.82          20.68          25.50
                &type->i_mutex_dir_key#2:             0              0           0.00           0.00           0.00              9            134           0.69         119.03        2759.46
                               uts_sem-R:             0              0           0.00           0.00           0.00              0              2           0.58           1.01           1.60
                               tty_mutex:             0              0           0.00           0.00           0.00              0              6           0.69           4.10           9.64
                              &tbl->lock:             0              0           0.00           0.00           0.00              2            540           0.11          49.16         524.26
               xfrm_policy_afinfo_lock-R:             0              0           0.00           0.00           0.00              0              1           0.90           0.90           0.90
        &(&mapping->private_lock)->rlock:             0              0           0.00           0.00           0.00          16082          24920           0.11         184.33       16583.12
                          files_lglock-R:             0              0           0.00           0.00           0.00              0          20244           0.08           4.79        1899.24
                  &mapping->i_mmap_mutex:             0              0           0.00           0.00           0.00            120            676           0.15           8.06         332.46
                   &fsnotify_mark_srcu-R:             0              0           0.00           0.00           0.00              0       17564113           0.07        1751.16     1429504.21
                &rcu_sched_state.fqslock:             0              0           0.00           0.00           0.00              0           1152           0.15          53.37       19643.75
                     &sig->group_rwsem-R:             0              0           0.00           0.00           0.00             62            112           0.17          19.95         362.81
                      nl_table_wait.lock:             0              0           0.00           0.00           0.00              2             43           0.11           3.46          13.21
                         nl_table_lock-R:             0              0           0.00           0.00           0.00              2             43           0.12           0.74          12.44
               &sb->s_type->i_lock_key#8:             0              0           0.00           0.00           0.00              0             70           0.09           0.61          15.44
                        proc_subdir_lock:             0              0           0.00           0.00           0.00              9           3747           0.14          39.11        5108.99
               &sb->s_type->i_lock_key#4:             0              0           0.00           0.00           0.00              2          43506           0.08           7.24        7209.10
               &sb->s_type->i_lock_key#3:             0              0           0.00           0.00           0.00            110            222           0.09           1.24          68.69
                            init_fs.lock:             0              0           0.00           0.00           0.00              4             17           0.12           0.57           4.12
        &(kretprobe_table_locks[i].lock):             0              0           0.00           0.00           0.00             58             61           0.12           3.32          37.38
                            &port->mutex:             0              0           0.00           0.00           0.00              0              3           0.41           2.22           4.09
                   &(&uhci->lock)->rlock:             0              0           0.00           0.00           0.00              0           1747           6.88          36.72       14701.85
         &(&ent->pde_unload_lock)->rlock:             0              0           0.00           0.00           0.00            105          10140           0.10           4.21        1294.60
                           &ndev->lock-R:             0              0           0.00           0.00           0.00              0             27           0.13           4.47          19.57
                 &(&mc->mca_lock)->rlock:             0              0           0.00           0.00           0.00              0              9           0.29           1.41           4.20
                      rcu_read_lock_bh-R:             0              0           0.00           0.00           0.00              0            126           0.08          49.12         198.49
                    addrconf_verify_lock:             0              0           0.00           0.00           0.00              0              9           2.53          13.64          41.59
                             &vha->timer:             0              0           0.00           0.00           0.00              0           7863           1.69          55.05       42601.05
                               cdev_lock:             0              0           0.00           0.00           0.00              3              4           0.46           1.14           3.65
                           big_tty_mutex:             0              0           0.00           0.00           0.00              0              8           0.11           6.14          18.46
                     &tty->termios_mutex:             0              0           0.00           0.00           0.00              1              1           0.72           0.72           0.72
                        &tty->write_wait:             0              0           0.00           0.00           0.00              2              7           0.11           0.61           1.71
                          tty_files_lock:             0              0           0.00           0.00           0.00              0              8           0.12           0.53           2.03
                            &ld->wq_idle:             0              0           0.00           0.00           0.00              2              2           0.31           0.57           0.88
                   &(&port->lock)->rlock:             0              0           0.00           0.00           0.00              0              4           0.13           0.32           0.86
                      &(&i->lock)->rlock:             0              0           0.00           0.00           0.00              0              4          16.02          24.74          82.90
                  &sig->cred_guard_mutex:             0              0           0.00           0.00           0.00              7              7         561.33       18832.93       38643.84
                        &anon_vma->mutex:             0              0           0.00           0.00           0.00            240          32439           0.15          39.15        6387.85
                             rename_lock:             0              0           0.00           0.00           0.00              4             81           0.33           3.73          95.25
                         &mm->mmap_sem/1:             0              0           0.00           0.00           0.00              0              6          36.56         801.37        2224.56
        &(&mm->page_table_lock)->rlock/1:             0              0           0.00           0.00           0.00              0            158           0.14         115.75        1497.44
                 &type->s_umount_key#1-R:             0              0           0.00           0.00           0.00              2              6           0.13           0.81           2.47
                  &type->i_mutex_dir_key:             0              0           0.00           0.00           0.00              9           3703           3.27          59.25       22880.13
                         dcache_lru_lock:             0              0           0.00           0.00           0.00             69             78           0.12           7.64          94.68
              &sb->s_type->i_mutex_key#6:             0              0           0.00           0.00           0.00              4             47           2.22          45.42         937.04
             &(&dentry->d_lock)->rlock/1:             0              0           0.00           0.00           0.00             70            110           0.11           3.82          52.03
                                &p->lock:             0              0           0.00           0.00           0.00              0           2436           0.19         506.75       45047.17
                 &type->s_umount_key#1-R:             0              0           0.00           0.00           0.00              2              6           0.13           0.85           2.61
                 &type->s_umount_key#1-R:             0              0           0.00           0.00           0.00              2              6           0.13           1.11           3.40
              &sb->s_type->i_mutex_key#7:             0              0           0.00           0.00           0.00             30            195           0.18          15.65         153.42
            &sb->s_type->i_mutex_key#7/1:             0              0           0.00           0.00           0.00              2              2           1.31           2.24           3.55
                          sb_writers#3-R:             0              0           0.00           0.00           0.00              0              2           4.04           7.65          11.69
                 &tty->atomic_write_lock:             0              0           0.00           0.00           0.00              0              1          17.69          17.69          17.69
                         unix_table_lock:             0              0           0.00           0.00           0.00              3             14           0.11           0.77           5.00
                            &u->readlock:             0              0           0.00           0.00           0.00              1              3           2.38          10.96          22.09
                  sysfs_open_dirent_lock:             0              0           0.00           0.00           0.00              4          25818           0.11           2.02        3054.79
                          &buffer->mutex:             0              0           0.00           0.00           0.00              0           8606           1.03          45.67       22946.57
                               swap_lock:             0              0           0.00           0.00           0.00              0              2           0.65           0.67           1.32
                               &wq->wait:             0              0           0.00           0.00           0.00              3              9           0.12          11.37          22.49
                          sb_writers#4-R:             0              0           0.00           0.00           0.00              0              8           0.75           3.21          12.86
                &(&wb->list_lock)->rlock:             0              0           0.00           0.00           0.00           1173           1550           0.11          97.34        8858.02
                    &(&f->f_lock)->rlock:             0              0           0.00           0.00           0.00              1              3           0.58           1.35           3.04
                      &(&u->lock)->rlock:             0              0           0.00           0.00           0.00              3             14           0.12           3.51          16.91
      &af_unix_sk_receive_queue_lock_key:             0              0           0.00           0.00           0.00              3             18           0.11           0.83           4.30
                           &u->peer_wait:             0              0           0.00           0.00           0.00              1              9           0.11           0.48           1.72
                  &(&ioc->lock)->rlock/1:             0              0           0.00           0.00           0.00              6              9           0.25           2.10           5.05
                  &(&ioc->lock)->rlock#2:             0              0           0.00           0.00           0.00              0              9           0.13           0.64           1.74
                          &hcd->rh_timer:             0              0           0.00           0.00           0.00              0           1747           7.42          43.37       18299.29
                    zone->wait_table + i:             0              0           0.00           0.00           0.00            506           2391           0.11          58.60        3352.03
                   random_read_wait.lock:             0              0           0.00           0.00           0.00            740           3007           0.11          13.74        1628.53
               &(&ctl->tree_lock)->rlock:             0              0           0.00           0.00           0.00          16817          30884           0.10          31.48       20580.61
                           binfmt_lock-R:             0              0           0.00           0.00           0.00              4             15           0.15           1.00           6.54
                             fasync_lock:             0              0           0.00           0.00           0.00              0              2           0.61           0.63           1.24
                              rtnl_mutex:             0              0           0.00           0.00           0.00              1              6           0.93           4.42          12.72
                          tty_ldisc_lock:             0              0           0.00           0.00           0.00              2              2           0.41           0.68           1.09
                         rcu_read_lock-R:             0              0           0.00           0.00           0.00              0      233069647           0.07        8891.04    56910805.85
                        &ei->xattr_sem-R:             0              0           0.00           0.00           0.00              4              8           0.17           0.50           2.96
                            events_nrt-R:             0              0           0.00           0.00           0.00              0             43        1194.22       49756.82      237228.41
                       &tty->ldisc_mutex:             0              0           0.00           0.00           0.00              0              2           0.35           0.40           0.76
                         &watchdog_timer:             0              0           0.00           0.00           0.00              0            874           4.33          28.24        7375.26
                                   key#2:             0              0           0.00           0.00           0.00              1              1           0.66           0.66           0.66
                    &(&u->lock)->rlock/1:             0              0           0.00           0.00           0.00              2              2           0.11           0.11           0.21
                          sb_writers#7-R:             0              0           0.00           0.00           0.00              0            305           4.06       34986.06       40063.56
                 &type->s_umount_key#1-R:             0              0           0.00           0.00           0.00              2              6           0.13           0.94           3.11
              &type->i_mutex_dir_key#3/1:             0              0           0.00           0.00           0.00              0              1          13.94          13.94          13.94
              &sb->s_type->i_mutex_key#9:             0              0           0.00           0.00           0.00              2              3           1.61           6.60          11.09
                       &tty->output_lock:             0              0           0.00           0.00           0.00              0              2           6.13           6.64          12.76
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              2              9           0.69         643.21        1698.95
               &s->s_dquot.dqonoff_mutex:             0              0           0.00           0.00           0.00              2              4           0.18           2.76           4.14
              &sb->s_type->i_mutex_key#1:             0              0           0.00           0.00           0.00             19            304           3.73        2924.38        4942.77
   &(&transaction->t_handle_lock)->rlock:             0              0           0.00           0.00           0.00             12            635           0.11           2.68         191.07
                              jbd_handle:             0              0           0.00           0.00           0.00              0            316           2.04       13588.96       17811.46
                     &sbi->s_orphan_lock:             0              0           0.00           0.00           0.00              2              2           3.08           7.44          10.52
         &(&journal->j_list_lock)->rlock:             0              0           0.00           0.00           0.00             14            444           0.13          15.35         176.02
       &(&journal->j_revoke_lock)->rlock:             0              0           0.00           0.00           0.00              3              6           0.24           0.63           2.49
                &journal->j_wait_updates:             0              0           0.00           0.00           0.00             12            316           0.11           0.83          47.49
                     &ei->truncate_mutex:             0              0           0.00           0.00           0.00              5              7           0.94          26.39          63.39
           &(&bgl->locks[i].lock)->rlock:             0              0           0.00           0.00           0.00              4              8           0.12           0.63           2.42
         &(&sbi->s_next_gen_lock)->rlock:             0              0           0.00           0.00           0.00              1              1           0.38           0.38           0.38
                          file_lock_lock:             0              0           0.00           0.00           0.00              2              3           0.81           2.65           5.11
       &(&sbi->s_rsv_window_lock)->rlock:             0              0           0.00           0.00           0.00              1              3           0.16           0.99           2.06
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              2              6           0.13           0.72           2.22
                    &(&ifa->lock)->rlock:             0              0           0.00           0.00           0.00              0             18           0.13           1.59           6.78
                         &tb->tb6_lock-W:             0              0           0.00           0.00           0.00              0             61           0.37          42.23         359.85
                         &tb->tb6_lock-R:             0              0           0.00           0.00           0.00              0              9           2.21          14.72          41.95
                      fib6_walker_lock-W:             0              0           0.00           0.00           0.00              0             56           0.11           0.76          10.17
                      fib6_walker_lock-R:             0              0           0.00           0.00           0.00              0             10           0.14           0.48           2.62
                           slock-AF_INET:             0              0           0.00           0.00           0.00              0              7           0.14          91.05          92.57
                           clock-AF_INET:             0              0           0.00           0.00           0.00              0              6           0.13           0.49           1.37
          &(&table->hash[i].lock)->rlock:             0              0           0.00           0.00           0.00              0             51           0.15           3.36          27.92
                        rt_uncached_lock:             0              0           0.00           0.00           0.00              0             58           0.15           0.93          21.51
       &(&futex_queues[i].lock)->rlock/1:             0              0           0.00           0.00           0.00              5              9           0.08          21.82          22.74
                         (&(work)->work):             0              0           0.00           0.00           0.00              0          20960           2.34       34568.02      286358.30
                     edac_pci_ctls_mutex:             0              0           0.00           0.00           0.00             39            425           0.55          31.10        1434.61
                          &(work)->timer:             0              0           0.00           0.00           0.00              0          20960           0.84          93.63      185868.45
                            s_active#4-R:             0              0           0.00           0.00           0.00              0           4224           0.58          24.82        3490.26
                            s_active#4-R:             0              0           0.00           0.00           0.00              0           8448           0.52          43.57        7769.48
                            s_active#4-R:             0              0           0.00           0.00           0.00              0           4136           0.34          37.10        3309.95
                &journal->j_commit_timer:             0              0           0.00           0.00           0.00              0              5           0.09           9.92          15.29
     &journal->j_wait_transaction_locked:             0              0           0.00           0.00           0.00              1              3           0.23           0.39           0.93
                              &x->wait#1:             0              0           0.00           0.00           0.00              2              3           0.29          13.26          14.18
                &type->i_mutex_dir_key#3:             0              0           0.00           0.00           0.00              4              9           0.26       83134.67      141185.32
                           clock-AF_UNIX:             0              0           0.00           0.00           0.00              0              6           0.12           0.34           1.30
                 &dev->mode_config.mutex:             0              0           0.00           0.00           0.00              0             43        1191.46       49753.65      237075.28
             &dev->mode_config.idr_mutex:             0              0           0.00           0.00           0.00              0             43           0.73           8.25          55.18
                 &(&bp->phy_lock)->rlock:             0              0           0.00           0.00           0.00              6            457           0.34          40.24        1882.14
                             &ipmi_timer:             0              0           0.00           0.00           0.00              0            437           1.64          14.53        2748.17
          &(&dev->tx_global_lock)->rlock:             0              0           0.00           0.00           0.00              0             87           5.68          18.82         908.08
                           _xmit_ETHER#2:             0              0           0.00           0.00           0.00              0            698           0.12          19.33         247.35
                 &(&list->lock)->rlock#2:             0              0           0.00           0.00           0.00              0            700           0.11           4.37         241.49
                              &n->lock-W:             0              0           0.00           0.00           0.00              3             98           0.12          13.18          87.41
                              &n->lock-R:             0              0           0.00           0.00           0.00              0             14           0.20           1.07           6.83
                    &(&pci->work)->timer:             0              0           0.00           0.00           0.00              0            425           2.18          44.34        4801.44
                           edac-poller-R:             0              0           0.00           0.00           0.00              0            425           1.22          44.30        2606.85
                   (&(&pci->work)->work):             0              0           0.00           0.00           0.00              0            425           0.92          41.88        2070.09
      &(&intf->waiting_msgs_lock)->rlock:             0              0           0.00           0.00           0.00              0            437           0.12           2.22         159.75
               &(&intf->seq_lock)->rlock:             0              0           0.00           0.00           0.00              0            437           0.27           2.93         469.08
                              &bp->timer:             0              0           0.00           0.00           0.00              0            437           3.20          23.33        2773.00
                               &n->timer:             0              0           0.00           0.00           0.00              0              1          15.81          15.81          15.81
                            s_active#6-R:             0              0           0.00           0.00           0.00              0            200           0.36           2.80         156.17
                            s_active#6-R:             0              0           0.00           0.00           0.00              0            102           0.44           0.87          66.11
                            s_active#6-R:             0              0           0.00           0.00           0.00              0            102           0.61           1.09          77.15
                 &(&list->lock)->rlock#4:             0              0           0.00           0.00           0.00              1             13           0.10           0.44           2.68
                          icmp6_dst_lock:             0              0           0.00           0.00           0.00              0             14           0.25           0.85           5.84
                 &(&bdi->wb_lock)->rlock:             0              0           0.00           0.00           0.00             55            172           0.11          25.49         228.74
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              2             10           0.13         118.39         203.07
                 &journal->j_wait_commit:             0              0           0.00           0.00           0.00              1              8           0.12           8.95          11.07
            &journal->j_wait_done_commit:             0              0           0.00           0.00           0.00              3              9           0.11           3.94           6.17
               &journal->j_wait_logspace:             0              0           0.00           0.00           0.00              1              3           0.20           0.36           0.91
          &(&(&n->ha_lock)->lock)->rlock:             0              0           0.00           0.00           0.00              0              6           0.14           0.24           1.03
                 mm/page-writeback.c:144:             0              0           0.00           0.00           0.00              0            145           5.62          27.97        2443.81
                    &dev->watchdog_timer:             0              0           0.00           0.00           0.00              0             87           6.41          20.97         979.27
                               &pl->lock:             0              0           0.00           0.00           0.00             73            115           0.59          31.30         380.09
   &(&dev->mode_config.output_poll_work):             0              0           0.00           0.00           0.00              0             43           2.79          29.00         335.94
   (&(&dev->mode_config.output_poll_work:             0              0           0.00           0.00           0.00              0             43        1193.52       49756.22      237192.31
                 &(&tbl->gc_work)->timer:             0              0           0.00           0.00           0.00              0             59           1.25          59.61         482.29
                (&(&tbl->gc_work)->work):             0              0           0.00           0.00           0.00              0             59           5.26          72.84         692.72
                    &in_dev->mr_gq_timer:             0              0           0.00           0.00           0.00              0              7           0.98           5.29          15.48
                &net->ipv6.ip6_fib_timer:             0              0           0.00           0.00           0.00              0             14          13.22          41.40         338.44
                            fib6_gc_lock:             0              0           0.00           0.00           0.00              0             14          12.07          39.78         319.55
                        &vfsmount_lock-R:             0              0           0.00           0.00           0.00              0          44469           0.08          57.17       15004.79
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              4             12           0.13           1.97           6.40
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              2              6           0.13           0.71           2.43
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              8             24           0.12           0.88           8.08
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              2              6           0.13           0.84           2.76
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              2              6           0.12           0.83           2.68
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              2              6           0.13           1.20           3.32
                 &type->s_umount_key#3-R:             0              0           0.00           0.00           0.00              2              6           0.13           1.02           3.14
                 &type->s_umount_key#3-R:             0              0           0.00           0.00           0.00              2              6           0.10           1.03           3.25
                              &x->wait#2:             0              0           0.00           0.00           0.00              8             12           0.15           9.56          26.12
                 &type->s_umount_key#3-R:             0              0           0.00           0.00           0.00              2              6           0.13           0.88           2.22
             &fs_info->tree_mod_seq_wait:             0              0           0.00           0.00           0.00           2037           4285           0.10          30.54        9349.26
               &sb->s_type->i_lock_key#1:             0              0           0.00           0.00           0.00           1179           1238           0.08           5.34         439.37
                                       t:             0              0           0.00           0.00           0.00              0             96           2.77          14.77         489.56
          &fs_devices->device_list_mutex:             0              0           0.00           0.00           0.00             12             28           0.51       20038.48       33723.65
                        btrfs-chunk-01-W:             0              0           0.00           0.00           0.00              3           1661           0.15          38.58        1108.74
                        btrfs-chunk-01-R:             0              0           0.00           0.00           0.00             23           2958           0.10          25.86        1379.53
            &(&(&tk->lock)->lock)->rlock:             0              0           0.00           0.00           0.00              0          43695           1.50         234.42      383689.05
                              &state->wq:             0              0           0.00           0.00           0.00           1860           2680           0.11          18.66        1669.64
                        btrfs-chunk-00-W:             0              0           0.00           0.00           0.00             40           1152           0.11          10.81         277.81
                        btrfs-chunk-00-R:             0              0           0.00           0.00           0.00             21            454           0.14           7.61         166.76
     &(&fs_info->free_chunk_lock)->rlock:             0              0           0.00           0.00           0.00             20            227           0.10           7.16         122.63
                         btrfs-root-00-W:             0              0           0.00           0.00           0.00              1            117           0.15           3.48          41.32
                         btrfs-root-00-R:             0              0           0.00           0.00           0.00              6             94           0.10           2.22          25.23
                          btrfs-dev-00-W:             0              0           0.00           0.00           0.00              7            684           0.11           1.62         109.81
                          btrfs-dev-00-R:             0              0           0.00           0.00           0.00            111           4052           0.11          13.36        2501.97
                       btrfs-extent-00-W:             0              0           0.00           0.00           0.00           2762          57877           0.11       13923.77       71038.51
                       btrfs-extent-00-R:             0              0           0.00           0.00           0.00              2             68           0.11           1.02          11.53
                    &found->groups_sem-W:             0              0           0.00           0.00           0.00             19            227           0.11           5.23          91.20
                    &found->groups_sem-R:             0              0           0.00           0.00           0.00          16113          25868           0.10       96596.75     1654729.37
        &(&fs_info->balance_lock)->rlock:             0              0           0.00           0.00           0.00          19562          78599           0.10          51.79       22787.92
                  &(&cache->lock)->rlock:             0              0           0.00           0.00           0.00             23             68           0.11           1.13          15.90
                 &fs_info->cleaner_mutex:             0              0           0.00           0.00           0.00              0             10           3.51       17321.15       28702.46
                       &wb->wakeup_timer:             0              0           0.00           0.00           0.00              0              3           7.29          27.45          43.53
                      inode_sb_list_lock:             0              0           0.00           0.00           0.00             93           7830           0.10         291.68        2048.02
      &fs_info->ordered_operations_mutex:             0              0           0.00           0.00           0.00             75         335116           0.35         220.34      343226.89
                         sb_internal#3-R:             0              0           0.00           0.00           0.00              0       17566412           1.60    97579625.33 10796649173.60
             &fs_info->extent_commit_sem:             0              0           0.00           0.00           0.00              7             22           0.20           4.90          35.46
                &(&cache->lock)->rlock#2:             0              0           0.00           0.00           0.00          18694          52067           0.10         268.23       27618.15
                 &type->s_umount_key#3-R:             0              0           0.00           0.00           0.00              1            421           0.99    23308239.50   125618905.45
                  &rl->wait[BLK_RW_SYNC]:             0              0           0.00           0.00           0.00              6            140           0.15          29.05         421.70
                        &head_ref->mutex:             0              0           0.00           0.00           0.00              0          74189           0.09      254420.39    17851408.88
       &(&cur_trans->commit_lock)->rlock:             0              0           0.00           0.00           0.00             10             12           0.11           2.96          10.16
      &fs_info->transaction_blocked_wait:             0              0           0.00           0.00           0.00              7             11           0.33           5.56          16.11
             &(&root->inode_lock)->rlock:             0              0           0.00           0.00           0.00             72            210           0.12          17.35         366.97
                 &rl->wait[BLK_RW_ASYNC]:             0              0           0.00           0.00           0.00            314           2994           0.12          53.41       11726.49
                    &fs_info->scrub_lock:             0              0           0.00           0.00           0.00              7             11           0.66           4.69          15.71
                &fs_info->tree_log_mutex:             0              0           0.00           0.00           0.00              7             11         491.33      127149.99      659530.77
                          btrfs-dev-01-W:             0              0           0.00           0.00           0.00              3            981           0.15           7.49         592.86
                          btrfs-dev-01-R:             0              0           0.00           0.00           0.00             23           6661           0.10         118.07        5260.36
        &(&root->accounting_lock)->rlock:             0              0           0.00           0.00           0.00          15906          23635           0.11         101.60       19691.15
                              &x->wait#2:             0              0           0.00           0.00           0.00              0             22           0.12           0.38           5.41
                 &cur_trans->commit_wait:             0              0           0.00           0.00           0.00             13             17           0.11           9.46          24.74
              &fs_info->scrub_pause_wait:             0              0           0.00           0.00           0.00              7             11           0.23           0.54           3.91
                &type->i_mutex_dir_key#6:             0              0           0.00           0.00           0.00              1              2           3.42          17.78          21.20
                          sb_writers#1-R:             0              0           0.00           0.00           0.00              0       17563722           1.07    25359244.83 18043424737.94
              &type->i_mutex_dir_key#6/1:             0              0           0.00           0.00           0.00              0              7           0.80         711.46         738.03
                   &root->objectid_mutex:             0              0           0.00           0.00           0.00             64             69           0.21           9.60         123.17
   &(&fs_info->tree_mod_seq_lock)->rlock:             0              0           0.00           0.00           0.00           1193          52867           0.10          50.17        9711.20
   &(&fs_info->defrag_inodes_lock)->rloc:             0              0           0.00           0.00           0.00              2             10           0.86           8.73          45.76
                     &sig->wait_chldexit:             0              0           0.00           0.00           0.00             41            915           0.11          15.68         257.38
   &(&fs_info->delayed_iput_lock)->rlock:             0              0           0.00           0.00           0.00              4             12           0.33           8.17          20.82
   &(&fs_info->fs_roots_radix_lock)->rlo:             0              0           0.00           0.00           0.00             20             31           0.15          13.20         124.42
     &fs_info->transaction_kthread_mutex:             0              0           0.00           0.00           0.00              6             10        1790.00    97579636.00   166785341.78
                     &ei->delalloc_mutex:             0              0           0.00           0.00           0.00           1942       17563648           0.82      283094.83  1622087844.14
                &child->perf_event_mutex:             0              0           0.00           0.00           0.00             59             61           0.33           2.92          45.64
                            &entry->wait:             0              0           0.00           0.00           0.00           1298           1353           0.11          14.14         500.16
                 &sb->s_type->i_lock_key:             0              0           0.00           0.00           0.00              5             45           0.20           3.59          20.11
                       btrfs-extent-02-W:             0              0           0.00           0.00           0.00              1           2789           0.15          25.23        1987.55
                       btrfs-extent-02-R:             0              0           0.00           0.00           0.00            583          82308           0.10         137.81       54133.34
                                ntp_lock:             0              0           0.00           0.00           0.00              0          87827           0.10           5.43       13177.34
            &(&root->orphan_lock)->rlock:             0              0           0.00           0.00           0.00              6             10           0.28           1.10           5.12
                  &root->fs_commit_mutex:             0              0           0.00           0.00           0.00              7             10           3.50          12.17          71.34
                  &nonblocking_pool.lock:             0              0           0.00           0.00           0.00              4          98635           0.11         215.86       57553.58
