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

                &(&eb->refs_lock)->rlock:      10245394       10368930           0.09        5617.03    13263983.18       81768753      295117420           0.08        5613.86    71450380.12
                ------------------------
                &(&eb->refs_lock)->rlock        4290734          [<ffffffff81325345>] check_buffer_tree_ref+0x25/0x50
                &(&eb->refs_lock)->rlock        6078196          [<ffffffff8132b7df>] free_extent_buffer+0x1f/0x90
                ------------------------
                &(&eb->refs_lock)->rlock        3223266          [<ffffffff81325345>] check_buffer_tree_ref+0x25/0x50
                &(&eb->refs_lock)->rlock        7145664          [<ffffffff8132b7df>] free_extent_buffer+0x1f/0x90

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

                         btrfs-csum-01-W:       2355913        2459423           0.09        6817.54     5272004.69        5986504       65239695           0.08        2605.29    53477541.73
                         btrfs-csum-01-R:       1191628        1240450           0.09        3043.86     3603896.39        5646691       63017165           0.08        6823.88    48787703.90
                         ---------------
                           btrfs-csum-01         637814          [<ffffffff8133eb7f>] btrfs_try_tree_write_lock+0x4f/0xc0
                           btrfs-csum-01         937803          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                           btrfs-csum-01         372917          [<ffffffff8133eaff>] btrfs_try_tree_read_lock+0x4f/0x80
                           btrfs-csum-01         405154          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                         ---------------
                           btrfs-csum-01        1843264          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                           btrfs-csum-01         417434          [<ffffffff8133eb7f>] btrfs_try_tree_write_lock+0x4f/0xc0
                           btrfs-csum-01         456910          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           btrfs-csum-01         196696          [<ffffffff8133eaff>] btrfs_try_tree_read_lock+0x4f/0x80

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

           &(&mapping->tree_lock)->rlock:       3231983        3507918           0.09         285.49     3361250.72        7082752       81905646           0.10         300.89    18847887.74
           -----------------------------
           &(&mapping->tree_lock)->rlock        1205694          [<ffffffff811042f3>] test_set_page_writeback+0x63/0x190
           &(&mapping->tree_lock)->rlock        2302191          [<ffffffff8110586f>] test_clear_page_writeback+0x5f/0x1b0
           &(&mapping->tree_lock)->rlock              9          [<ffffffff810f9a51>] add_to_page_cache_locked+0x71/0xe0
           &(&mapping->tree_lock)->rlock             21          [<ffffffff811040f0>] __set_page_dirty_nobuffers+0x60/0x150
           -----------------------------
           &(&mapping->tree_lock)->rlock        1686015          [<ffffffff8110586f>] test_clear_page_writeback+0x5f/0x1b0
           &(&mapping->tree_lock)->rlock        1821862          [<ffffffff811042f3>] test_set_page_writeback+0x63/0x190
           &(&mapping->tree_lock)->rlock             26          [<ffffffff811040f0>] __set_page_dirty_nobuffers+0x60/0x150
           &(&mapping->tree_lock)->rlock              6          [<ffffffff81103630>] tag_pages_for_writeback+0x30/0xb0

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

                      &eb->write_lock_wq:       2747078        2857840           0.10         283.63    11351614.15        7051806        8957302           0.08         286.50    12742263.43
                      ------------------
                      &eb->write_lock_wq        1087657          [<ffffffff81063531>] finish_wait+0x41/0x80
                      &eb->write_lock_wq         432046          [<ffffffff8106e892>] __wake_up+0x32/0x70
                      &eb->write_lock_wq        1338137          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90
                      ------------------
                      &eb->write_lock_wq         912246          [<ffffffff8106e892>] __wake_up+0x32/0x70
                      &eb->write_lock_wq        1470107          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90
                      &eb->write_lock_wq         475485          [<ffffffff81063531>] finish_wait+0x41/0x80

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

                         btrfs-csum-02-W:        760357         798677           0.10        7247.60     7096515.43        1311463        2409017           0.08        1772.43     7900360.63
                         btrfs-csum-02-R:       1287075        1321705           0.10        2990.84     5660344.27       97725274      145158244           0.08        6928.00   219633857.46
                         ---------------
                           btrfs-csum-02         502385          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                           btrfs-csum-02         448822          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           btrfs-csum-02         274032          [<ffffffff8133e83a>] btrfs_clear_lock_blocking_rw+0x6a/0x1a0
                           btrfs-csum-02         310664          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                         ---------------
                           btrfs-csum-02         921416          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                           btrfs-csum-02         376149          [<ffffffff8133e83a>] btrfs_clear_lock_blocking_rw+0x6a/0x1a0
                           btrfs-csum-02         331387          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           btrfs-csum-02         124438          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140

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

                       &eb->read_lock_wq:       1413188        1440772           0.12         290.43     4331721.73        4415895        5811380           0.08         278.21     7992940.37
                       -----------------
                       &eb->read_lock_wq        1112114          [<ffffffff8106e892>] __wake_up+0x32/0x70
                       &eb->read_lock_wq         140424          [<ffffffff81063531>] finish_wait+0x41/0x80
                       &eb->read_lock_wq         188234          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90
                       -----------------
                       &eb->read_lock_wq         215485          [<ffffffff81063531>] finish_wait+0x41/0x80
                       &eb->read_lock_wq        1125655          [<ffffffff8106e892>] __wake_up+0x32/0x70
                       &eb->read_lock_wq          99632          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90

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

                    &delayed_node->mutex:        334431         334431           6.45         280.31     3100091.31         855478       42528395           0.16         303.64    20705715.07
                    --------------------
                    &delayed_node->mutex          19381          [<ffffffff81356b3f>] __btrfs_release_delayed_node+0x4f/0x210
                    &delayed_node->mutex         315000          [<ffffffff813592a8>] btrfs_delayed_update_inode+0x48/0x660
                    &delayed_node->mutex             18          [<ffffffff813579a3>] btrfs_insert_delayed_items+0x43/0x460
                    &delayed_node->mutex             13          [<ffffffff81357e1e>] btrfs_delete_delayed_items+0x5e/0x370
                    --------------------
                    &delayed_node->mutex             19          [<ffffffff813579a3>] btrfs_insert_delayed_items+0x43/0x460
                    &delayed_node->mutex         308839          [<ffffffff813572ac>] btrfs_update_delayed_inode+0x3c/0x1e0
                    &delayed_node->mutex          19407          [<ffffffff813592a8>] btrfs_delayed_update_inode+0x48/0x660
                    &delayed_node->mutex           6162          [<ffffffff81356b3f>] __btrfs_release_delayed_node+0x4f/0x210

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

                      &(&t->lock)->rlock:        180207         184963           0.10         181.75      169816.37        1019098       20767394           0.08         282.12     4094838.24
                      ------------------
                      &(&t->lock)->rlock         167271          [<ffffffff81323fbc>] btrfs_dec_test_ordered_pending+0x4c/0x1e0
                      &(&t->lock)->rlock           7423          [<ffffffff8132471d>] btrfs_lookup_ordered_extent+0x3d/0x110
                      &(&t->lock)->rlock          10269          [<ffffffff81323d2e>] btrfs_add_ordered_sum+0x2e/0x70
                      ------------------
                      &(&t->lock)->rlock          16004          [<ffffffff81323d2e>] btrfs_add_ordered_sum+0x2e/0x70
                      &(&t->lock)->rlock         150765          [<ffffffff81323fbc>] btrfs_dec_test_ordered_pending+0x4c/0x1e0
                      &(&t->lock)->rlock          18194          [<ffffffff8132471d>] btrfs_lookup_ordered_extent+0x3d/0x110

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

                               &rq->lock:         36041          36077           0.32         215.66       77926.69        1708004       24070777           0.07         286.23    20334530.09
                               ---------
                               &rq->lock              1          [<ffffffff8107bc93>] idle_balance+0x133/0x180
                               &rq->lock           1904          [<ffffffff8107b6ac>] load_balance+0x55c/0x820
                               &rq->lock            672          [<ffffffff8169682e>] __schedule+0xbe/0x7c0
                               &rq->lock            167          [<ffffffff81073ce1>] scheduler_tick+0x41/0x1a0
                               ---------
                               &rq->lock              1          [<ffffffff8106eaeb>] task_rq_lock+0x5b/0xb0
                               &rq->lock           1478          [<ffffffff8107b6ac>] load_balance+0x55c/0x820
                               &rq->lock            869          [<ffffffff8107b4af>] load_balance+0x35f/0x820
                               &rq->lock          33387          [<ffffffff8169682e>] __schedule+0xbe/0x7c0

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

                      &(&h->lock)->rlock:          7717           7814           0.31         241.25       31051.91         177384         830611           0.14         302.73     1541515.71
                      ------------------
                      &(&h->lock)->rlock           1883          [<ffffffff81392a46>] blk_end_bidi_request+0x46/0x80
                      &(&h->lock)->rlock           2341          [<ffffffffa0003adf>] do_cciss_request+0x49f/0x5f0 [cciss]
                      &(&h->lock)->rlock           1500          [<ffffffffa0004cd2>] do_cciss_msix_intr+0x22/0x230 [cciss]
                      &(&h->lock)->rlock            139          [<ffffffff813948d7>] blk_flush_plug_list+0x187/0x230
                      ------------------
                      &(&h->lock)->rlock           3917          [<ffffffffa0004cd2>] do_cciss_msix_intr+0x22/0x230 [cciss]
                      &(&h->lock)->rlock            185          [<ffffffff813948d7>] blk_flush_plug_list+0x187/0x230
                      &(&h->lock)->rlock           1674          [<ffffffffa0003adf>] do_cciss_request+0x49f/0x5f0 [cciss]
                      &(&h->lock)->rlock            711          [<ffffffffa0003237>] cciss_softirq_done+0x1a7/0x2e0 [cciss]

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

                  &(&found->lock)->rlock:          4831           4856           0.34          11.19        6159.57         877068       41824022           0.09         287.33     5986395.20
                  ----------------------
                  &(&found->lock)->rlock           2553          [<ffffffff812f9b2b>] reserve_metadata_bytes.clone.60+0x7b/0x7c0
                  &(&found->lock)->rlock            607          [<ffffffff812f25e4>] btrfs_update_reserved_bytes+0x44/0x140
                  &(&found->lock)->rlock              3          [<ffffffff812f597d>] update_global_block_rsv+0x5d/0x290
                  &(&found->lock)->rlock              2          [<ffffffff812f59ac>] update_global_block_rsv+0x8c/0x290
                  ----------------------
                  &(&found->lock)->rlock              9          [<ffffffff812f5a4c>] update_global_block_rsv+0x12c/0x290
                  &(&found->lock)->rlock           1110          [<ffffffff812f25e4>] btrfs_update_reserved_bytes+0x44/0x140
                  &(&found->lock)->rlock           2167          [<ffffffff812f9b2b>] reserve_metadata_bytes.clone.60+0x7b/0x7c0
                  &(&found->lock)->rlock              8          [<ffffffff812fa307>] btrfs_check_data_free_space+0x97/0x270

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

                        rcu_node_level_1:          3706           3727           0.24          26.62       15085.39          20014          54637           0.07          12.22       45195.01
                        ----------------
                        rcu_node_level_1             23          [<ffffffff810c54f7>] rcu_start_gp+0x157/0x310
                        rcu_node_level_1           3683          [<ffffffff810c6cb1>] rcu_process_callbacks+0x391/0x530
                        rcu_node_level_1             21          [<ffffffff810c5928>] force_qs_rnp+0x68/0x190
                        ----------------
                        rcu_node_level_1             30          [<ffffffff810c580c>] rcu_report_qs_rnp+0x15c/0x210
                        rcu_node_level_1           3532          [<ffffffff810c6cb1>] rcu_process_callbacks+0x391/0x530
                        rcu_node_level_1            127          [<ffffffff810c54f7>] rcu_start_gp+0x157/0x310
                        rcu_node_level_1             38          [<ffffffff810c5928>] force_qs_rnp+0x68/0x190

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

       &(&fs_info->delalloc_lock)->rlock:          2242           2515           0.24          43.60        2127.26          70204       20529777           0.08         269.56     2222134.48
       ---------------------------------
       &(&fs_info->delalloc_lock)->rlock           1511          [<ffffffff81313206>] btrfs_set_bit_hook+0x96/0x190
       &(&fs_info->delalloc_lock)->rlock             45          [<ffffffff8130a4d1>] btrfs_mark_buffer_dirty+0x91/0xf0
       &(&fs_info->delalloc_lock)->rlock            130          [<ffffffff812f6b7b>] update_block_group.clone.58+0x3b/0x2a0
       &(&fs_info->delalloc_lock)->rlock            828          [<ffffffff8132bb47>] btree_write_cache_pages+0x2f7/0x820
       ---------------------------------
       &(&fs_info->delalloc_lock)->rlock            616          [<ffffffff8130a4d1>] btrfs_mark_buffer_dirty+0x91/0xf0
       &(&fs_info->delalloc_lock)->rlock            954          [<ffffffff81313206>] btrfs_set_bit_hook+0x96/0x190
       &(&fs_info->delalloc_lock)->rlock            397          [<ffffffff812f6b7b>] update_block_group.clone.58+0x3b/0x2a0
       &(&fs_info->delalloc_lock)->rlock            545          [<ffffffff8132bb47>] btree_write_cache_pages+0x2f7/0x820

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

                                &q->lock:          2080           2433           0.39          12.15        4195.65         253326         259655           0.10         242.57      275411.30
                                --------
                                &q->lock           1796          [<ffffffff81098d68>] generic_exec_single+0x48/0xb0
                                &q->lock            637          [<ffffffff81099697>] generic_smp_call_function_single_interrupt+0x57/0x120
                                --------
                                &q->lock           1299          [<ffffffff81099697>] generic_smp_call_function_single_interrupt+0x57/0x120
                                &q->lock           1134          [<ffffffff81098d68>] generic_exec_single+0x48/0xb0

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

          &(&workers->order_lock)->rlock:          1682           1687           0.25          13.91        1565.79         276926         646796           0.10        1879.46      261162.81
          ------------------------------
          &(&workers->order_lock)->rlock            390          [<ffffffff81336eef>] run_ordered_completions+0x8f/0x110
          &(&workers->order_lock)->rlock            457          [<ffffffff8133771f>] btrfs_queue_worker+0x24f/0x330
          &(&workers->order_lock)->rlock            365          [<ffffffff81336f36>] run_ordered_completions+0xd6/0x110
          &(&workers->order_lock)->rlock            475          [<ffffffff81336eac>] run_ordered_completions+0x4c/0x110
          ------------------------------
          &(&workers->order_lock)->rlock            829          [<ffffffff81336eac>] run_ordered_completions+0x4c/0x110
          &(&workers->order_lock)->rlock            228          [<ffffffff81336eef>] run_ordered_completions+0x8f/0x110
          &(&workers->order_lock)->rlock            338          [<ffffffff8133771f>] btrfs_queue_worker+0x24f/0x330
          &(&workers->order_lock)->rlock            292          [<ffffffff81336f36>] run_ordered_completions+0xd6/0x110

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

                                   key#5:          1193           1197           0.25           6.29        1203.06         425873        2558918           0.08         281.04      768191.94
                                   -----
                                   key#5           1197          [<ffffffff813ccae0>] __percpu_counter_add+0x50/0x80
                                   -----
                                   key#5           1197          [<ffffffff813ccae0>] __percpu_counter_add+0x50/0x80

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

                             &rq->lock/1:          1067           1067           0.60          62.57        8778.08           2585           6502           0.08          42.27       15441.85
                             -----------
                             &rq->lock/1           1067          [<ffffffff8107b4af>] load_balance+0x35f/0x820
                             -----------
                             &rq->lock/1            204          [<ffffffff8169682e>] __schedule+0xbe/0x7c0
                             &rq->lock/1            197          [<ffffffff8107b6ac>] load_balance+0x55c/0x820
                             &rq->lock/1            646          [<ffffffff8107b4af>] load_balance+0x35f/0x820
                             &rq->lock/1             12          [<ffffffff8107b782>] load_balance+0x632/0x820

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

             &fs_info->tree_mod_log_lock:          1000           1041           0.47      653313.73    28601359.16         291586         864840           0.21      674766.02    22546613.42
             ---------------------------
             &fs_info->tree_mod_log_lock            510          [<ffffffff812e7245>] tree_mod_log_insert_move.clone.39+0x85/0x190
             &fs_info->tree_mod_log_lock            467          [<ffffffff812e6a7f>] tree_mod_log_insert_key_mask.clone.37+0x8f/0x1d0
             &fs_info->tree_mod_log_lock             59          [<ffffffff812e7b84>] tree_mod_log_eb_copy+0x54/0x120
             &fs_info->tree_mod_log_lock              2          [<ffffffff812e9245>] btrfs_put_tree_mod_seq+0xe5/0x180
             ---------------------------
             &fs_info->tree_mod_log_lock            141          [<ffffffff812e9245>] btrfs_put_tree_mod_seq+0xe5/0x180
             &fs_info->tree_mod_log_lock            414          [<ffffffff812e7245>] tree_mod_log_insert_move.clone.39+0x85/0x190
             &fs_info->tree_mod_log_lock            184          [<ffffffff812e6a7f>] tree_mod_log_insert_key_mask.clone.37+0x8f/0x1d0
             &fs_info->tree_mod_log_lock            301          [<ffffffff812e7b84>] tree_mod_log_eb_copy+0x54/0x120

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

                    &(&rsv->lock)->rlock:           733            734           0.26           5.69         706.60         852894       41739710           0.10         287.11     4857663.97
                    --------------------
                    &(&rsv->lock)->rlock            354          [<ffffffff812f2458>] block_rsv_use_bytes+0x38/0x80
                    &(&rsv->lock)->rlock            356          [<ffffffff812f24d5>] block_rsv_add_bytes+0x35/0x80
                    &(&rsv->lock)->rlock             20          [<ffffffff812fa76a>] btrfs_block_rsv_check+0x3a/0x90
                    &(&rsv->lock)->rlock              3          [<ffffffff812f5bf1>] block_rsv_release_bytes+0x41/0x190
                    --------------------
                    &(&rsv->lock)->rlock            351          [<ffffffff812f24d5>] block_rsv_add_bytes+0x35/0x80
                    &(&rsv->lock)->rlock            367          [<ffffffff812f2458>] block_rsv_use_bytes+0x38/0x80
                    &(&rsv->lock)->rlock              6          [<ffffffff812f5a54>] update_global_block_rsv+0x134/0x290
                    &(&rsv->lock)->rlock              8          [<ffffffff812fa76a>] btrfs_block_rsv_check+0x3a/0x90

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

              &(&device->io_lock)->rlock:           620            627           0.12        3329.65        4345.73          32769         199894           0.09        3333.02       57598.99
              --------------------------
              &(&device->io_lock)->rlock            419          [<ffffffff8132e31f>] schedule_bio.clone.43+0x5f/0x120
              &(&device->io_lock)->rlock            182          [<ffffffff8132dd69>] run_scheduled_bios+0xb9/0x540
              &(&device->io_lock)->rlock             26          [<ffffffff8132e07d>] run_scheduled_bios+0x3cd/0x540
              --------------------------
              &(&device->io_lock)->rlock            404          [<ffffffff8132dd69>] run_scheduled_bios+0xb9/0x540
              &(&device->io_lock)->rlock            208          [<ffffffff8132e31f>] schedule_bio.clone.43+0x5f/0x120
              &(&device->io_lock)->rlock             14          [<ffffffff8132e07d>] run_scheduled_bios+0x3cd/0x540
              &(&device->io_lock)->rlock              1          [<ffffffff8132e0fe>] run_scheduled_bios+0x44e/0x540

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

                         btrfs-csum-00-W:           315            330           0.34         401.79        1012.04          51092       81976479           0.08        2216.46    11344513.87
                         btrfs-csum-00-R:             0              0           0.00           0.00           0.00              1           3445           0.11           1.92         418.51
                         ---------------
                           btrfs-csum-00            167          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           btrfs-csum-00            153          [<ffffffff8133eb7f>] btrfs_try_tree_write_lock+0x4f/0xc0
                           btrfs-csum-00             10          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                         ---------------
                           btrfs-csum-00            251          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                           btrfs-csum-00             79          [<ffffffff8133eb7f>] btrfs_try_tree_write_lock+0x4f/0xc0

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

                                pci_lock:           165            166           1.28          14.74         731.54           3266           6345           1.24          21.25       30970.62
                                --------
                                pci_lock            166          [<ffffffff813d2f82>] pci_bus_read_config_word+0x42/0x90
                                --------
                                pci_lock            166          [<ffffffff813d2f82>] pci_bus_read_config_word+0x42/0x90

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

                 &(&worker->lock)->rlock:            74             74           0.31           1.73          63.69          94887         273839           0.10          71.52      188253.80
                 -----------------------
                 &(&worker->lock)->rlock             24          [<ffffffff81337c9a>] worker_loop+0x49a/0x5a0
                 &(&worker->lock)->rlock             38          [<ffffffff81337655>] btrfs_queue_worker+0x185/0x330
                 &(&worker->lock)->rlock              2          [<ffffffff8133791f>] worker_loop+0x11f/0x5a0
                 &(&worker->lock)->rlock             10          [<ffffffff813379b7>] worker_loop+0x1b7/0x5a0
                 -----------------------
                 &(&worker->lock)->rlock             32          [<ffffffff81337655>] btrfs_queue_worker+0x185/0x330
                 &(&worker->lock)->rlock             35          [<ffffffff813379b7>] worker_loop+0x1b7/0x5a0
                 &(&worker->lock)->rlock              4          [<ffffffff8133791f>] worker_loop+0x11f/0x5a0
                 &(&worker->lock)->rlock              3          [<ffffffff81337c9a>] worker_loop+0x49a/0x5a0

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

                   &(&zone->lock)->rlock:            55             55           0.36           5.50         118.81          22130         765370           0.12         236.28     1478953.87
                   ---------------------
                   &(&zone->lock)->rlock             27          [<ffffffff81101573>] get_page_from_freelist+0x443/0x7b0
                   &(&zone->lock)->rlock             20          [<ffffffff81102144>] free_pcppages_bulk+0x34/0x400
                   &(&zone->lock)->rlock              3          [<ffffffff81101871>] get_page_from_freelist+0x741/0x7b0
                   &(&zone->lock)->rlock              5          [<ffffffff81102c05>] __free_pages_ok+0xb5/0x4e0
                   ---------------------
                   &(&zone->lock)->rlock             17          [<ffffffff81102144>] free_pcppages_bulk+0x34/0x400
                   &(&zone->lock)->rlock             36          [<ffffffff81101573>] get_page_from_freelist+0x443/0x7b0
                   &(&zone->lock)->rlock              1          [<ffffffff81102c05>] __free_pages_ok+0xb5/0x4e0
                   &(&zone->lock)->rlock              1          [<ffffffff81101871>] get_page_from_freelist+0x741/0x7b0

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

                         btrfs-csum-03-W:            25             25           0.47          23.01         150.25             40             61           0.16          22.91         225.25
                         btrfs-csum-03-R:            22             22           0.43          18.12         104.38       53215063       88252842           0.10        6830.63   188645342.46
                         ---------------
                           btrfs-csum-03             17          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           btrfs-csum-03              7          [<ffffffff8133e83a>] btrfs_clear_lock_blocking_rw+0x6a/0x1a0
                           btrfs-csum-03              6          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                           btrfs-csum-03              9          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                         ---------------
                           btrfs-csum-03              9          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                           btrfs-csum-03             11          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           btrfs-csum-03              6          [<ffffffff8133e83a>] btrfs_clear_lock_blocking_rw+0x6a/0x1a0
                           btrfs-csum-03             17          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0

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

                 &(&n->list_lock)->rlock:            44             44           0.37           3.48          62.59          51889         969560           0.11          18.56      220590.51
                 -----------------------
                 &(&n->list_lock)->rlock             28          [<ffffffff8114114f>] get_partial_node.clone.42+0x4f/0x1f0
                 &(&n->list_lock)->rlock             16          [<ffffffff8114035f>] unfreeze_partials+0x6f/0x1a0
                 -----------------------
                 &(&n->list_lock)->rlock             35          [<ffffffff8114114f>] get_partial_node.clone.42+0x4f/0x1f0
                 &(&n->list_lock)->rlock              9          [<ffffffff8114035f>] unfreeze_partials+0x6f/0x1a0

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

            &(&bp->indirect_lock)->rlock:            40             41           0.47           5.31         100.66            585           1340           0.12          39.66        1694.21
            ----------------------------
            &(&bp->indirect_lock)->rlock             22          [<ffffffffa02fc498>] bnx2_send_heart_beat+0x28/0x70 [bnx2]
            &(&bp->indirect_lock)->rlock             19          [<ffffffffa02f9a1e>] bnx2_reg_rd_ind+0x2e/0x60 [bnx2]
            ----------------------------
            &(&bp->indirect_lock)->rlock             20          [<ffffffffa02fc498>] bnx2_send_heart_beat+0x28/0x70 [bnx2]
            &(&bp->indirect_lock)->rlock             21          [<ffffffffa02f9a1e>] bnx2_reg_rd_ind+0x2e/0x60 [bnx2]

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

                        rcu_node_level_0:            38             38           0.64           7.20         105.31           1617           3489           0.10          11.11        2910.39
                        ----------------
                        rcu_node_level_0              2          [<ffffffff810c6c48>] rcu_process_callbacks+0x328/0x530
                        rcu_node_level_0             36          [<ffffffff810c570f>] rcu_report_qs_rnp+0x5f/0x210
                        ----------------
                        rcu_node_level_0              2          [<ffffffff810c6c48>] rcu_process_callbacks+0x328/0x530
                        rcu_node_level_0             34          [<ffffffff810c570f>] rcu_report_qs_rnp+0x5f/0x210
                        rcu_node_level_0              2          [<ffffffff810c650f>] force_quiescent_state+0x18f/0x2f0

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

   &(&cur_trans->delayed_refs.lock)->rlo:            38             38           0.79          12.35         133.48          22038         113899           0.12         224.65      178550.57
   -------------------------------------
   &(&cur_trans->delayed_refs.lock)->rlo             13          [<ffffffff812fbc9c>] run_clustered_refs+0x19c/0xa70
   &(&cur_trans->delayed_refs.lock)->rlo             20          [<ffffffff8134e0ad>] btrfs_add_delayed_tree_ref+0xbd/0x210
   &(&cur_trans->delayed_refs.lock)->rlo              3          [<ffffffff812fbd83>] run_clustered_refs+0x283/0xa70
   &(&cur_trans->delayed_refs.lock)->rlo              1          [<ffffffff8134e2bd>] btrfs_add_delayed_data_ref+0xbd/0x220
   -------------------------------------
   &(&cur_trans->delayed_refs.lock)->rlo             31          [<ffffffff8134e0ad>] btrfs_add_delayed_tree_ref+0xbd/0x210
   &(&cur_trans->delayed_refs.lock)->rlo              2          [<ffffffff812fbd83>] run_clustered_refs+0x283/0xa70
   &(&cur_trans->delayed_refs.lock)->rlo              2          [<ffffffff812fc610>] btrfs_run_delayed_refs+0xa0/0x4b0
   &(&cur_trans->delayed_refs.lock)->rlo              3          [<ffffffff812fbc9c>] run_clustered_refs+0x19c/0xa70

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

                        &input_pool.lock:            38             38           0.59           3.23          44.77           9153         161574           0.15           7.02       62001.95
                        ----------------
                        &input_pool.lock             38          [<ffffffff81465fa9>] mix_pool_bytes.clone.7+0x49/0xb0
                        ----------------
                        &input_pool.lock             38          [<ffffffff81465fa9>] mix_pool_bytes.clone.7+0x49/0xb0

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

          &(&fs_info->trans_lock)->rlock:            26             27           0.67           5.33          42.99            358       40894932           0.10         283.12     4652717.02
          ------------------------------
          &(&fs_info->trans_lock)->rlock              8          [<ffffffff8130eb48>] btrfs_transaction_in_commit+0x28/0x60
          &(&fs_info->trans_lock)->rlock             17          [<ffffffff8130e0e5>] join_transaction.clone.25+0x25/0x370
          &(&fs_info->trans_lock)->rlock              1          [<ffffffff812e6104>] add_root_to_dirty_list+0x24/0x90
          &(&fs_info->trans_lock)->rlock              1          [<ffffffff8130f613>] btrfs_commit_transaction+0xa33/0xb20
          ------------------------------
          &(&fs_info->trans_lock)->rlock             15          [<ffffffff8130e0e5>] join_transaction.clone.25+0x25/0x370
          &(&fs_info->trans_lock)->rlock              5          [<ffffffff8130eb48>] btrfs_transaction_in_commit+0x28/0x60
          &(&fs_info->trans_lock)->rlock              1          [<ffffffff8130ee67>] btrfs_commit_transaction+0x287/0xb20
          &(&fs_info->trans_lock)->rlock              4          [<ffffffff812e6104>] add_root_to_dirty_list+0x24/0x90

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

           &(&delayed_root->lock)->rlock:            20             20           0.51          15.05          42.51         855583       21672491           0.10         286.29     2732280.85
           -----------------------------
           &(&delayed_root->lock)->rlock             15          [<ffffffff81356b55>] __btrfs_release_delayed_node+0x65/0x210
           &(&delayed_root->lock)->rlock              3          [<ffffffff81356c00>] __btrfs_release_delayed_node+0x110/0x210
           &(&delayed_root->lock)->rlock              2          [<ffffffff813574f3>] btrfs_next_delayed_node+0x33/0x90
           -----------------------------
           &(&delayed_root->lock)->rlock              4          [<ffffffff813574f3>] btrfs_next_delayed_node+0x33/0x90
           &(&delayed_root->lock)->rlock              6          [<ffffffff81356b55>] __btrfs_release_delayed_node+0x65/0x210
           &(&delayed_root->lock)->rlock              2          [<ffffffff81356c00>] __btrfs_release_delayed_node+0x110/0x210
           &(&delayed_root->lock)->rlock              8          [<ffffffff81357491>] btrfs_first_delayed_node+0x21/0x50

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

                   &(&base->lock)->rlock:            16             16           1.47           7.98          53.52           1806        2481901           0.10         253.75     2230102.67
                   ---------------------
                   &(&base->lock)->rlock              5          [<ffffffff8104e8fb>] add_timer_on+0x5b/0xf0
                   &(&base->lock)->rlock             10          [<ffffffff8104e4a4>] run_timer_softirq+0x44/0x3f0
                   &(&base->lock)->rlock              1          [<ffffffff8104dafb>] lock_timer_base.clone.28+0x3b/0x70
                   ---------------------
                   &(&base->lock)->rlock              5          [<ffffffff8104e4a4>] run_timer_softirq+0x44/0x3f0
                   &(&base->lock)->rlock             10          [<ffffffff8104e8fb>] add_timer_on+0x5b/0xf0
                   &(&base->lock)->rlock              1          [<ffffffff8104dafb>] lock_timer_base.clone.28+0x3b/0x70

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

                                   key#6:            16             16           0.34           1.27          12.21          19928         426615           0.10          29.22       56373.81
                                   -----
                                   key#6             16          [<ffffffff813ccae0>] __percpu_counter_add+0x50/0x80
                                   -----
                                   key#6             16          [<ffffffff813ccae0>] __percpu_counter_add+0x50/0x80

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

                &(&workers->lock)->rlock:            12             12           0.92           1.55          14.60           8867         180936           0.11           6.23       75432.01
                ------------------------
                &(&workers->lock)->rlock              7          [<ffffffff81337520>] btrfs_queue_worker+0x50/0x330
                &(&workers->lock)->rlock              5          [<ffffffff81337ba9>] worker_loop+0x3a9/0x5a0
                ------------------------
                &(&workers->lock)->rlock              7          [<ffffffff81337ba9>] worker_loop+0x3a9/0x5a0
                &(&workers->lock)->rlock              5          [<ffffffff81337520>] btrfs_queue_worker+0x50/0x330

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

   &(&fs_info->block_group_cache_lock)->:             8              9           0.75           2.37          10.32          22074         110510           0.11          53.48       36057.28
   -------------------------------------
   &(&fs_info->block_group_cache_lock)->              9          [<ffffffff812f21c8>] block_group_cache_tree_search+0x28/0xd0
   -------------------------------------
   &(&fs_info->block_group_cache_lock)->              9          [<ffffffff812f21c8>] block_group_cache_tree_search+0x28/0xd0

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

         &(&cluster->refill_lock)->rlock:             8              8           0.76           2.27          12.21          19828          27352           0.55         216.75       43793.10
         -------------------------------
         &(&cluster->refill_lock)->rlock              8          [<ffffffff812f90ef>] find_free_extent+0x2af/0xc70
         -------------------------------
         &(&cluster->refill_lock)->rlock              8          [<ffffffff812f90ef>] find_free_extent+0x2af/0xc70

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

               &(&zone->lru_lock)->rlock:             5              5           0.33           1.89           5.45           1979        1482983           0.11         284.48      644518.65
               -------------------------
               &(&zone->lru_lock)->rlock              5          [<ffffffff81106e5f>] pagevec_lru_move_fn+0xaf/0x120
               -------------------------
               &(&zone->lru_lock)->rlock              5          [<ffffffff81106e5f>] pagevec_lru_move_fn+0xaf/0x120

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

                   &(&tree->lock)->rlock:             4              4           0.68           3.32           5.86          20140       40928897           0.10        2246.25    16197118.67
                   ---------------------
                   &(&tree->lock)->rlock              4          [<ffffffff8132699f>] __set_extent_bit+0x6f/0x4f0
                   ---------------------
                   &(&tree->lock)->rlock              4          [<ffffffff8132699f>] __set_extent_bit+0x6f/0x4f0

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

        &(&root->root_times_lock)->rlock:             4              4           0.37           1.47           3.39            108       20447472           0.10         285.86     2330897.09
        --------------------------------
        &(&root->root_times_lock)->rlock              4          [<ffffffff813022f2>] btrfs_update_root_times+0x52/0x90
        --------------------------------
        &(&root->root_times_lock)->rlock              4          [<ffffffff813022f2>] btrfs_update_root_times+0x52/0x90

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

                                   key#7:             4              4           0.62           0.95           3.07          11399         213500           0.10         260.48       32312.34
                                   -----
                                   key#7              4          [<ffffffff813ccae0>] __percpu_counter_add+0x50/0x80
                                   -----
                                   key#7              4          [<ffffffff813ccae0>] __percpu_counter_add+0x50/0x80

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

                           btrfs-fs-01-W:             1              1           1.16           1.16           1.16              8            863           0.15           9.58        1231.91
                           btrfs-fs-01-R:             2              2           1.30           1.75           3.05            147        1634878           0.10         209.20      877390.61
                           -------------
                             btrfs-fs-01              2          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                             btrfs-fs-01              1          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                           -------------
                             btrfs-fs-01              2          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                             btrfs-fs-01              1          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140

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

                 &cur_trans->writer_wait:             3              3           3.14           8.48          15.69         816567         816570           0.12         267.49     1791561.27
                 -----------------------
                 &cur_trans->writer_wait              3          [<ffffffff8106e892>] __wake_up+0x32/0x70
                 -----------------------
                 &cur_trans->writer_wait              3          [<ffffffff8106e892>] __wake_up+0x32/0x70

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

        &(&fs_info->balance_lock)->rlock:             2              2           0.62           0.90           1.52          22060          83152           0.10          40.58       18047.53
        --------------------------------
        &(&fs_info->balance_lock)->rlock              2          [<ffffffff812f8895>] btrfs_reduce_alloc_profile+0x45/0x130
        --------------------------------
        &(&fs_info->balance_lock)->rlock              2          [<ffffffff812f8895>] btrfs_reduce_alloc_profile+0x45/0x130

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

                                 sb_lock:             2              2           0.73           0.86           1.59             29            704           0.11           4.48         250.19
                                 -------
                                 sb_lock              2          [<ffffffff8114e089>] iterate_supers+0xa9/0x100
                                 -------
                                 sb_lock              2          [<ffffffff8114dddb>] grab_super_passive+0x1b/0x90

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

                &(&cluster->lock)->rlock:             2              2           0.89           0.91           1.80          19859          54724           0.10         215.28       26493.18
                ------------------------
                &(&cluster->lock)->rlock              2          [<ffffffff81349a5c>] btrfs_alloc_from_cluster+0x3c/0x240
                ------------------------
                &(&cluster->lock)->rlock              2          [<ffffffff812f8f6a>] find_free_extent+0x12a/0xc70

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

                             &pipe->wait:             1              1           0.96           0.96           0.96             59           1624           0.11          12.65         298.55
                             -----------
                             &pipe->wait              1          [<ffffffff810636b1>] remove_wait_queue+0x21/0x70
                             -----------
                             &pipe->wait              1          [<ffffffff8106e7f7>] __wake_up_sync_key+0x37/0x80

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

                    zone->wait_table + i:             1              1           3.25           3.25           3.25            589           4059           0.11          19.16        2487.19
                    --------------------
                    zone->wait_table + i              1          [<ffffffff8106e892>] __wake_up+0x32/0x70
                    --------------------
                    zone->wait_table + i              1          [<ffffffff8106e892>] __wake_up+0x32/0x70

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

            &(&tree->buffer_lock)->rlock:             1              1           1.47           1.47           1.47          19857          28393           0.12          39.95       33589.89
            ----------------------------
            &(&tree->buffer_lock)->rlock              1          [<ffffffff8132b561>] alloc_extent_buffer+0x301/0x480
            ----------------------------
            &(&tree->buffer_lock)->rlock              1          [<ffffffff8132b561>] alloc_extent_buffer+0x301/0x480

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

                           btrfs-fs-00-W:             1              1           3.80           3.80           3.80            117         817375           0.14         263.28      308860.22
                           btrfs-fs-00-R:             0              0           0.00           0.00           0.00             92            576           0.11           4.25         389.84
                           -------------
                             btrfs-fs-00              1          [<ffffffff8133eb7f>] btrfs_try_tree_write_lock+0x4f/0xc0
                           -------------
                             btrfs-fs-00              1          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0

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

        &(&journal->j_state_lock)->rlock:             1              1           4.97           4.97           4.97             21            678           0.11          29.73         434.01
        --------------------------------
        &(&journal->j_state_lock)->rlock              1          [<ffffffff8123d9f2>] journal_start_commit+0x32/0xa0
        --------------------------------
        &(&journal->j_state_lock)->rlock              1          [<ffffffff8123797c>] journal_commit_transaction+0x8c/0x13f0

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

   &(&fs_info->tree_mod_seq_lock)->rlock:             1              1           1.46           1.46           1.46            162          28977           0.10           5.98        3875.41
   -------------------------------------
   &(&fs_info->tree_mod_seq_lock)->rlock              1          [<ffffffff8134de28>] btrfs_check_delayed_seq+0x38/0x80
   -------------------------------------
   &(&fs_info->tree_mod_seq_lock)->rlock              1          [<ffffffff812e919f>] btrfs_put_tree_mod_seq+0x3f/0x180

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

                    &irq_desc_lock_class:             0              0           0.00           0.00           0.00            293         322187           0.10         215.56      186431.97
                             sysfs_mutex:             0              0           0.00           0.00           0.00              6          73898           0.15          60.25       16602.79
                         inode_hash_lock:             0              0           0.00           0.00           0.00             51           9027           0.11           2.37        3747.78
                                pgd_lock:             0              0           0.00           0.00           0.00             18             27           0.18           2.15          25.36
                     file_systems_lock-R:             0              0           0.00           0.00           0.00              1              1          18.06          18.06          18.06
              &rcu_sched_state.onofflock:             0              0           0.00           0.00           0.00            143            353           1.83          24.99        2840.16
                              xtime_lock:             0              0           0.00           0.00           0.00              0          35307           4.78          54.58      465725.42
                   &(&gcwq->lock)->rlock:             0              0           0.00           0.00           0.00             66          52081           0.17         229.09      384860.38
                           watchdog_lock:             0              0           0.00           0.00           0.00            706            706           4.30          30.13        7340.86
                  random_write_wait.lock:             0              0           0.00           0.00           0.00              2              9           0.15           0.62           2.62
                         tasklist_lock-W:             0              0           0.00           0.00           0.00             21             61           0.17          14.86         209.56
                         tasklist_lock-R:             0              0           0.00           0.00           0.00             39            408           0.14           8.30         533.91
                             pidmap_lock:             0              0           0.00           0.00           0.00             22             36           0.15           1.51          30.20
                &(&p->alloc_lock)->rlock:             0              0           0.00           0.00           0.00             20            155           0.10          16.00         120.85
             &(&sighand->siglock)->rlock:             0              0           0.00           0.00           0.00             41            195           0.10          12.53         203.01
                     kthread_create_lock:             0              0           0.00           0.00           0.00             28             42           0.12           1.15          20.55
                                &x->wait:             0              0           0.00           0.00           0.00             29             45           0.14          14.78         148.95
              &sb->s_type->i_mutex_key#4:             0              0           0.00           0.00           0.00              2              6           2.27          12.86          59.00
                &(&stopper->lock)->rlock:             0              0           0.00           0.00           0.00            116            195           0.12          32.23         606.95
              &(&newf->file_lock)->rlock:             0              0           0.00           0.00           0.00             24          25157           0.11          52.59        3526.45
                              &x->wait#2:             0              0           0.00           0.00           0.00              7             14           0.16           0.88           6.56
                        &namespace_sem-R:             0              0           0.00           0.00           0.00              0              9           0.19          62.18         222.29
                     &(&fs->lock)->rlock:             0              0           0.00           0.00           0.00             31           1743           0.11           6.89        1254.04
                             &p->pi_lock:             0              0           0.00           0.00           0.00        2254967        5439956           0.10         277.45    14031037.19
                           vmlist_lock-R:             0              0           0.00           0.00           0.00              0              2           7.40          14.83          22.24
                             sysctl_lock:             0              0           0.00           0.00           0.00              2             22           0.11           0.48           4.16
                          &port_lock_key:             0              0           0.00           0.00           0.00              3             13           0.12          21.51          78.04
               &sb->s_type->i_lock_key#8:             0              0           0.00           0.00           0.00              0             49           0.10           1.24          12.20
                        proc_subdir_lock:             0              0           0.00           0.00           0.00              9           2982           0.14          13.87        2802.26
                         nl_table_lock-R:             0              0           0.00           0.00           0.00              0             32           0.11           1.57          13.07
                      nl_table_wait.lock:             0              0           0.00           0.00           0.00              0             32           0.11           1.34          11.17
                      call_function.lock:             0              0           0.00           0.00           0.00              6              6           0.48           3.09           7.19
                               balancing:             0              0           0.00           0.00           0.00              0         468919           0.07         201.13      486523.68
                                bdi_lock:             0              0           0.00           0.00           0.00              0              2          13.55          25.04          38.58
                         pci_config_lock:             0              0           0.00           0.00           0.00           3266           6345           1.02           6.90       12379.34
                                  &timer:             0              0           0.00           0.00           0.00              0         463572           0.07          55.73       35383.80
                            sb_writers-R:             0              0           0.00           0.00           0.00              0              6           3.68          16.13          76.60
                                events-R:             0              0           0.00           0.00           0.00              0          16988           2.73         385.06      174707.00
                         &cpu_base->lock:             0              0           0.00           0.00           0.00             52        3392258           0.11         268.84    21043035.72
               &sb->s_type->i_lock_key#9:             0              0           0.00           0.00           0.00              4             49           0.10           1.52          15.13
                               bdev_lock:             0              0           0.00           0.00           0.00              0              2           4.75          18.53          23.27
                &type->i_mutex_dir_key#2:             0              0           0.00           0.00           0.00              9            109           0.65          78.45        1720.16
                               uts_sem-R:             0              0           0.00           0.00           0.00              0              2           0.64           0.70           1.34
                               tty_mutex:             0              0           0.00           0.00           0.00              0              6           0.69           3.85          10.04
                              &tbl->lock:             0              0           0.00           0.00           0.00              0            429           0.11          68.64         685.34
        &(&mapping->private_lock)->rlock:             0              0           0.00           0.00           0.00          19886          29272           0.11           5.60        8707.34
                          files_lglock-R:             0              0           0.00           0.00           0.00              0          16664           0.08          59.18        1563.25
                  &mapping->i_mmap_mutex:             0              0           0.00           0.00           0.00            117            676           0.15           3.68         331.96
                   &fsnotify_mark_srcu-R:             0              0           0.00           0.00           0.00              0       20447697           0.07         271.93     1548080.13
                &rcu_sched_state.fqslock:             0              0           0.00           0.00           0.00              0            368           4.97          25.99        4364.87
                     &sig->group_rwsem-R:             0              0           0.00           0.00           0.00             12             15           0.18          12.47          44.74
               &sb->s_type->i_lock_key#4:             0              0           0.00           0.00           0.00              2          34623           0.08           1.46        5468.77
               &sb->s_type->i_lock_key#3:             0              0           0.00           0.00           0.00            107            219           0.09          19.00          94.44
                            init_fs.lock:             0              0           0.00           0.00           0.00              2             15           0.11           0.74           7.82
        &(kretprobe_table_locks[i].lock):             0              0           0.00           0.00           0.00             11             12           0.19           0.71           5.06
                            &port->mutex:             0              0           0.00           0.00           0.00              2              3           1.49           2.19           5.26
                   &(&uhci->lock)->rlock:             0              0           0.00           0.00           0.00              0           1413           6.96          19.93       14420.28
         &(&ent->pde_unload_lock)->rlock:             0              0           0.00           0.00           0.00            105           8070           0.10           1.00        1008.40
                           &ndev->lock-R:             0              0           0.00           0.00           0.00              0             18           0.13           1.10           9.26
                 &(&mc->mca_lock)->rlock:             0              0           0.00           0.00           0.00              0              6           0.26           0.41           1.82
                      rcu_read_lock_bh-R:             0              0           0.00           0.00           0.00              0            104           0.09           6.52          72.00
                    addrconf_verify_lock:             0              0           0.00           0.00           0.00              0              6           2.73           3.41          18.85
                             &vha->timer:             0              0           0.00           0.00           0.00              0           6345           1.72          38.50       64107.03
                               cdev_lock:             0              0           0.00           0.00           0.00              2              4           0.47           0.95           3.07
                           big_tty_mutex:             0              0           0.00           0.00           0.00              0              8           0.11           6.21          18.22
                     &tty->termios_mutex:             0              0           0.00           0.00           0.00              0              1           0.66           0.66           0.66
                        &tty->write_wait:             0              0           0.00           0.00           0.00              2              7           0.11           0.61           1.63
                          tty_files_lock:             0              0           0.00           0.00           0.00              0              8           0.12           0.47           1.85
                            &ld->wq_idle:             0              0           0.00           0.00           0.00              2              2           0.49           0.57           1.06
                   &(&port->lock)->rlock:             0              0           0.00           0.00           0.00              0              4           0.12           0.32           0.84
                      &(&i->lock)->rlock:             0              0           0.00           0.00           0.00              0              4          16.52          25.42          84.67
                  &sig->cred_guard_mutex:             0              0           0.00           0.00           0.00              7              7         164.51       30466.71       47490.58
                         &mm->mmap_sem-W:             0              0           0.00           0.00           0.00              9          13305           0.12         772.52       25594.00
                         &mm->mmap_sem-R:             0              0           0.00           0.00           0.00             13           9630           0.14       12056.61       40462.62
          &(&mm->page_table_lock)->rlock:             0              0           0.00           0.00           0.00             37          17500           0.11         176.31        7573.03
                        &anon_vma->mutex:             0              0           0.00           0.00           0.00            265          26769           0.15           3.24        5191.65
                             rename_lock:             0              0           0.00           0.00           0.00              2             81           0.33           3.33          81.62
                         &mm->mmap_sem/1:             0              0           0.00           0.00           0.00              0              6          43.81         771.50        1835.19
        &(&mm->page_table_lock)->rlock/1:             0              0           0.00           0.00           0.00              0            158           0.14         111.87        1206.68
                                     key:             0              0           0.00           0.00           0.00             12             25           0.11           0.53           6.75
                 &type->s_umount_key#1-R:             0              0           0.00           0.00           0.00              3              6           0.13           0.88           2.96
                  &type->i_mutex_dir_key:             0              0           0.00           0.00           0.00              9           2947           3.04          23.77       13982.59
                         dcache_lru_lock:             0              0           0.00           0.00           0.00              3             84           0.12           1.17          49.75
              &sb->s_type->i_mutex_key#6:             0              0           0.00           0.00           0.00              4             38           1.99          67.18         602.24
             &(&dentry->d_lock)->rlock/1:             0              0           0.00           0.00           0.00             13            121           0.12           1.12          38.67
                                &p->lock:             0              0           0.00           0.00           0.00              0           1941           0.19         364.14       30247.15
                 &type->s_umount_key#1-R:             0              0           0.00           0.00           0.00              3              6           0.13           0.85           2.58
                 &type->s_umount_key#1-R:             0              0           0.00           0.00           0.00              3              6           0.13           0.90           3.28
              &sb->s_type->i_mutex_key#7:             0              0           0.00           0.00           0.00             30            195           0.19          11.60         133.32
            &sb->s_type->i_mutex_key#7/1:             0              0           0.00           0.00           0.00              2              2           1.21           1.73           2.94
                          sb_writers#3-R:             0              0           0.00           0.00           0.00              0              2           3.68           7.31          10.99
                 &tty->atomic_write_lock:             0              0           0.00           0.00           0.00              0              1          17.32          17.32          17.32
                         unix_table_lock:             0              0           0.00           0.00           0.00              2             14           0.11           0.88           5.31
                            &u->readlock:             0              0           0.00           0.00           0.00              2              3           6.71          16.07          35.65
                  sysfs_open_dirent_lock:             0              0           0.00           0.00           0.00              4          21249           0.11           1.29        2491.98
                          &buffer->mutex:             0              0           0.00           0.00           0.00              0           7083           1.02          58.65       17947.10
                               swap_lock:             0              0           0.00           0.00           0.00              0              2           0.42           0.91           1.32
                               &wq->wait:             0              0           0.00           0.00           0.00              6              9           0.12          17.06          30.21
                          sb_writers#4-R:             0              0           0.00           0.00           0.00              0              7           0.60           2.99          10.99
                &(&wb->list_lock)->rlock:             0              0           0.00           0.00           0.00            112            527           0.13          61.69        2175.28
                    &(&f->f_lock)->rlock:             0              0           0.00           0.00           0.00              0              3           0.15           1.18           2.21
                      &(&u->lock)->rlock:             0              0           0.00           0.00           0.00              3             14           0.12           3.73          17.61
      &af_unix_sk_receive_queue_lock_key:             0              0           0.00           0.00           0.00              6             18           0.11           1.11           5.93
                           &u->peer_wait:             0              0           0.00           0.00           0.00              2              9           0.12           0.92           2.90
                  &(&ioc->lock)->rlock/1:             0              0           0.00           0.00           0.00              4              8           0.13           0.46           2.59
                  &(&ioc->lock)->rlock#2:             0              0           0.00           0.00           0.00              0              8           0.11           0.29           1.37
                          &hcd->rh_timer:             0              0           0.00           0.00           0.00              0           1413           7.60          33.01       19962.40
                   random_read_wait.lock:             0              0           0.00           0.00           0.00            325           2887           0.11          12.12        1205.25
                           binfmt_lock-R:             0              0           0.00           0.00           0.00              2             15           0.13           0.75           4.87
                              rtnl_mutex:             0              0           0.00           0.00           0.00              1              3           0.92           4.28           6.26
                          tty_ldisc_lock:             0              0           0.00           0.00           0.00              2              2           0.69           0.80           1.48
                         rcu_read_lock-R:             0              0           0.00           0.00           0.00              0      242006228           0.07        4627.32    78611347.16
                &type->i_mutex_dir_key#3:             0              0           0.00           0.00           0.00              2              4           0.20        8013.22        8497.03
                           clock-AF_UNIX:             0              0           0.00           0.00           0.00              0              6           0.13           0.42           1.50
                 &journal->j_wait_commit:             0              0           0.00           0.00           0.00              3              7           0.12          10.08          12.80
            &journal->j_wait_done_commit:             0              0           0.00           0.00           0.00              4              9           0.12           4.78           7.05
                          &(work)->timer:             0              0           0.00           0.00           0.00              0          16941           0.62         231.12      330814.87
                         (&(work)->work):             0              0           0.00           0.00           0.00              0          16941           2.31         383.37      162464.52
                       &tty->ldisc_mutex:             0              0           0.00           0.00           0.00              0              2           0.42           0.47           0.89
                             fasync_lock:             0              0           0.00           0.00           0.00              0              2           0.47           0.50           0.97
                        &ei->xattr_sem-R:             0              0           0.00           0.00           0.00              0              8           0.16           0.50           2.65
         &(&futex_queues[i].lock)->rlock:             0              0           0.00           0.00           0.00             17             23           0.17          16.72          83.81
                            events_nrt-R:             0              0           0.00           0.00           0.00              0             35        1193.81        1421.78       42678.89
                        &vfsmount_lock-R:             0              0           0.00           0.00           0.00              0          37389           0.08          80.50       12196.27
                         &watchdog_timer:             0              0           0.00           0.00           0.00              0            706           5.17          32.00        8892.56
                    &(&u->lock)->rlock/1:             0              0           0.00           0.00           0.00              1              2           0.10           0.12           0.22
                          sb_writers#7-R:             0              0           0.00           0.00           0.00              0            305           4.14         340.92        2823.94
                 &type->s_umount_key#1-R:             0              0           0.00           0.00           0.00              3              6           0.13           0.94           3.75
              &type->i_mutex_dir_key#3/1:             0              0           0.00           0.00           0.00              0              1          11.94          11.94          11.94
              &sb->s_type->i_mutex_key#9:             0              0           0.00           0.00           0.00              2              3           1.31          23.37          28.79
                       &tty->output_lock:             0              0           0.00           0.00           0.00              0              2           6.11           6.34          12.46
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              3              9           0.65         598.03        1645.41
               &s->s_dquot.dqonoff_mutex:             0              0           0.00           0.00           0.00              2              4           0.16           1.89           3.80
              &sb->s_type->i_mutex_key#1:             0              0           0.00           0.00           0.00             18            304           3.79         309.91        2363.50
   &(&transaction->t_handle_lock)->rlock:             0              0           0.00           0.00           0.00             10            635           0.11           2.41         187.96
                              jbd_handle:             0              0           0.00           0.00           0.00              0            316           2.06         201.14        1859.09
                     &sbi->s_orphan_lock:             0              0           0.00           0.00           0.00              0              2           2.84           3.21           6.05
         &(&journal->j_list_lock)->rlock:             0              0           0.00           0.00           0.00             13            445           0.13          13.72         149.33
       &(&journal->j_revoke_lock)->rlock:             0              0           0.00           0.00           0.00              2              7           0.27           0.63           2.68
                &journal->j_wait_updates:             0              0           0.00           0.00           0.00             12            316           0.11           0.86          47.70
                     &ei->truncate_mutex:             0              0           0.00           0.00           0.00              5              7           0.71          87.98         115.27
           &(&bgl->locks[i].lock)->rlock:             0              0           0.00           0.00           0.00              2              8           0.13           0.42           1.88
         &(&sbi->s_next_gen_lock)->rlock:             0              0           0.00           0.00           0.00              1              1           0.52           0.52           0.52
                          file_lock_lock:             0              0           0.00           0.00           0.00              1              3           0.73           1.45           3.29
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              3              6           0.13           1.64           3.94
                    &(&ifa->lock)->rlock:             0              0           0.00           0.00           0.00              0             12           0.14           0.30           2.63
                         &tb->tb6_lock-W:             0              0           0.00           0.00           0.00              0             47           0.42          63.49         459.42
                         &tb->tb6_lock-R:             0              0           0.00           0.00           0.00              0              6           2.56           3.27          16.70
                      fib6_walker_lock-W:             0              0           0.00           0.00           0.00              0             48           0.11           1.26          12.30
                      fib6_walker_lock-R:             0              0           0.00           0.00           0.00              0             10           0.14           1.09           5.57
                           slock-AF_INET:             0              0           0.00           0.00           0.00              0              3           0.14           0.42           0.70
                           clock-AF_INET:             0              0           0.00           0.00           0.00              0              3           0.12           0.31           0.57
             &fs_info->tree_mod_seq_wait:             0              0           0.00           0.00           0.00           3780           7493           0.10          39.88       19777.90
               &sb->s_type->i_lock_key#1:             0              0           0.00           0.00           0.00           1122           1178           0.08           2.08         427.37
          &(&table->hash[i].lock)->rlock:             0              0           0.00           0.00           0.00              0             37           0.23           1.16          17.68
                        rt_uncached_lock:             0              0           0.00           0.00           0.00              0             43           0.17           0.64          15.43
       &(&futex_queues[i].lock)->rlock/1:             0              0           0.00           0.00           0.00              4              4           0.10           6.89           7.54
                     edac_pci_ctls_mutex:             0              0           0.00           0.00           0.00             64            338           1.36          34.16        2462.77
                            s_active#4-R:             0              0           0.00           0.00           0.00              0           3360           0.58           2.38        2522.97
                            s_active#4-R:             0              0           0.00           0.00           0.00              0           6720           0.52           2.11        5464.98
                            s_active#4-R:             0              0           0.00           0.00           0.00              0           3290           0.31           4.61        2273.82
                &journal->j_commit_timer:             0              0           0.00           0.00           0.00              0              5           0.08           7.56          15.13
     &journal->j_wait_transaction_locked:             0              0           0.00           0.00           0.00              3              3           0.38           0.55           1.45
                              &x->wait#1:             0              0           0.00           0.00           0.00              1              3           0.33           8.71           9.81
                 &dev->mode_config.mutex:             0              0           0.00           0.00           0.00              0             35        1190.82        1411.64       42450.38
             &dev->mode_config.idr_mutex:             0              0           0.00           0.00           0.00              0             35           0.34           6.66         112.78
                 &(&bp->phy_lock)->rlock:             0              0           0.00           0.00           0.00             14            323           0.35          47.46        2037.13
                             &ipmi_timer:             0              0           0.00           0.00           0.00              0            352           2.27          17.93        3821.76
          &(&dev->tx_global_lock)->rlock:             0              0           0.00           0.00           0.00              0             71           5.63          24.47         984.14
                           _xmit_ETHER#2:             0              0           0.00           0.00           0.00              0            568           0.12           1.25         188.07
                 &(&list->lock)->rlock#2:             0              0           0.00           0.00           0.00              0            568           0.10           5.28         324.87
                              &n->lock-W:             0              0           0.00           0.00           0.00              0             67           0.14           2.47          76.17
                              &n->lock-R:             0              0           0.00           0.00           0.00              0             10           0.20           4.48          13.47
                    &(&pci->work)->timer:             0              0           0.00           0.00           0.00              0            338           2.93          48.68        7438.58
                           edac-poller-R:             0              0           0.00           0.00           0.00              0            338           2.84          50.66        3527.32
                   (&(&pci->work)->work):             0              0           0.00           0.00           0.00              0            338           2.25          44.97        3228.24
      &(&intf->waiting_msgs_lock)->rlock:             0              0           0.00           0.00           0.00              0            352           0.15           1.53         261.64
               &(&intf->seq_lock)->rlock:             0              0           0.00           0.00           0.00              0            352           0.42           3.95         421.83
                              &bp->timer:             0              0           0.00           0.00           0.00              0            353           4.01          22.06        3896.49
                            s_active#6-R:             0              0           0.00           0.00           0.00              0            388           0.35           1.40         276.09
                            s_active#6-R:             0              0           0.00           0.00           0.00              0            204           0.38           1.30         134.58
                            s_active#6-R:             0              0           0.00           0.00           0.00              0            204           0.62           1.41         157.52
                 &(&list->lock)->rlock#4:             0              0           0.00           0.00           0.00              0             10           0.11           0.77           3.24
                          icmp6_dst_lock:             0              0           0.00           0.00           0.00              0             12           0.22           1.37          12.53
                 &(&bdi->wb_lock)->rlock:             0              0           0.00           0.00           0.00             27            158           0.10          14.01         190.28
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              3              9           0.13          84.79         140.24
               &journal->j_wait_logspace:             0              0           0.00           0.00           0.00              3              3           0.23           1.26           2.09
          &(&(&n->ha_lock)->lock)->rlock:             0              0           0.00           0.00           0.00              0              3           0.15           0.20           0.50
                 mm/page-writeback.c:144:             0              0           0.00           0.00           0.00              0            117           6.10          27.75        1731.57
                    &dev->watchdog_timer:             0              0           0.00           0.00           0.00              0             71           6.21          27.97        1114.82
                               &pl->lock:             0              0           0.00           0.00           0.00             43             92           0.66          30.70         315.52
   &(&dev->mode_config.output_poll_work):             0              0           0.00           0.00           0.00              0             35           5.55          37.12         471.99
   (&(&dev->mode_config.output_poll_work:             0              0           0.00           0.00           0.00              0             35        1193.42        1418.13       42599.25
                 &(&tbl->gc_work)->timer:             0              0           0.00           0.00           0.00              0             47           4.48          36.45         736.71
                (&(&tbl->gc_work)->work):             0              0           0.00           0.00           0.00              0             47           6.32          79.75         850.74
                    &in_dev->mr_gq_timer:             0              0           0.00           0.00           0.00              0              6           1.78           3.15          13.28
                &net->ipv6.ip6_fib_timer:             0              0           0.00           0.00           0.00              0             12          31.26          97.91         606.61
                            fib6_gc_lock:             0              0           0.00           0.00           0.00              0             12          28.04          94.84         573.10
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              6             12           0.13           2.56           7.94
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              3              6           0.13           0.79           2.85
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              9             24           0.13           1.45           9.36
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              3              6           0.13           0.85           3.41
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              3              6           0.13           0.83           2.95
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              3              6           0.13           0.90           3.08
                 &type->s_umount_key#3-R:             0              0           0.00           0.00           0.00              3              6           0.13           0.83           2.69
                 &type->s_umount_key#3-R:             0              0           0.00           0.00           0.00              3              6           0.10           0.81           2.74
                              &x->wait#2:             0              0           0.00           0.00           0.00              8             12           0.17           8.99          24.79
                 &type->s_umount_key#3-R:             0              0           0.00           0.00           0.00              2              6           0.13           1.00           2.14
                                       t:             0              0           0.00           0.00           0.00              0             48           5.13          19.17         609.32
               &(&dentry->d_lock)->rlock:             0              0           0.00           0.00           0.00           2389         114315           0.08          55.82       16728.98
            &(&(&tk->lock)->lock)->rlock:             0              0           0.00           0.00           0.00              0          35307           3.41          46.16      350273.01
          &fs_devices->device_list_mutex:             0              0           0.00           0.00           0.00             12             22           0.51         366.82        1494.32
               &sb->s_type->i_lock_key#1:             0              0           0.00           0.00           0.00            342       40896732           0.08         284.26     4385895.42
                   &fs_info->chunk_mutex:             0              0           0.00           0.00           0.00             15            187           9.19         479.76       27585.98
                       &wb->wakeup_timer:             0              0           0.00           0.00           0.00              0              4          11.34          17.21          59.62
                           &tree->lock-W:             0              0           0.00           0.00           0.00            162           3093           0.11           8.82        1343.10
                           &tree->lock-R:             0              0           0.00           0.00           0.00         281008       41083838           0.12         922.66     5649734.91
                              &state->wq:             0              0           0.00           0.00           0.00            153            160           0.13           1.24          92.31
                        btrfs-chunk-00-W:             0              0           0.00           0.00           0.00             44            992           0.11           2.27         251.52
                        btrfs-chunk-00-R:             0              0           0.00           0.00           0.00             20            368           0.14           2.13         194.10
     &(&fs_info->free_chunk_lock)->rlock:             0              0           0.00           0.00           0.00             15            184           0.10           2.05          59.94
                         btrfs-root-00-W:             0              0           0.00           0.00           0.00              0            100           0.15           1.22          27.27
                         btrfs-root-00-R:             0              0           0.00           0.00           0.00              8             84           0.10           2.10          19.28
                          btrfs-dev-00-W:             0              0           0.00           0.00           0.00             12            604           0.11           2.57         122.77
                          btrfs-dev-00-R:             0              0           0.00           0.00           0.00             94           3028           0.11           5.34        2426.06
                       btrfs-extent-00-W:             0              0           0.00           0.00           0.00            923          60475           0.11          78.98       51800.48
                       btrfs-extent-00-R:             0              0           0.00           0.00           0.00              2             68           0.11           0.68          10.61
               &(&ctl->tree_lock)->rlock:             0              0           0.00           0.00           0.00          20086          31018           0.10          44.23       12020.78
                    &found->groups_sem-W:             0              0           0.00           0.00           0.00             16            184           0.10           2.44          92.61
                    &found->groups_sem-R:             0              0           0.00           0.00           0.00          19834          27829           0.10         220.23      128405.21
                  &(&cache->lock)->rlock:             0              0           0.00           0.00           0.00             29            108           0.10           1.03          24.91
                 &fs_info->cleaner_mutex:             0              0           0.00           0.00           0.00              0              6           2.84           3.60          19.41
                      inode_sb_list_lock:             0              0           0.00           0.00           0.00             59           6319           0.10         281.14        1798.85
      &fs_info->ordered_operations_mutex:             0              0           0.00           0.00           0.00             13         408291           0.37         208.24      273095.98
                         sb_internal#3-R:             0              0           0.00           0.00           0.00              0       20447490           1.59    64319754.51  1262166276.91
   &(&fs_info->ordered_extent_lock)->rlo:             0              0           0.00           0.00           0.00            230         408458           0.11         207.97      159510.41
                 &type->s_umount_key#3-R:             0              0           0.00           0.00           0.00              2            286           0.96    37939693.53   101312246.06
                  &rl->wait[BLK_RW_SYNC]:             0              0           0.00           0.00           0.00             38            446           0.14          12.12        1299.33
             &(&root->inode_lock)->rlock:             0              0           0.00           0.00           0.00              2            243           0.12           4.22         311.04
                 &rl->wait[BLK_RW_ASYNC]:             0              0           0.00           0.00           0.00            731           7846           0.13          35.22       26780.12
             &fs_info->extent_commit_sem:             0              0           0.00           0.00           0.00              8             16           0.15           3.86          27.50
                &(&cache->lock)->rlock#2:             0              0           0.00           0.00           0.00          22134          55253           0.10          39.45       19092.81
                        &head_ref->mutex:             0              0           0.00           0.00           0.00              0          56290           0.09         342.10      359809.09
       &(&cur_trans->commit_lock)->rlock:             0              0           0.00           0.00           0.00              8              8           0.20           0.83           3.20
      &fs_info->transaction_blocked_wait:             0              0           0.00           0.00           0.00              6              8           0.37           1.16           5.35
              &fs_info->transaction_wait:             0              0           0.00           0.00           0.00             29             38           0.11          13.97          91.11
                   &fs_info->reloc_mutex:             0              0           0.00           0.00           0.00             15             16           2.49        2833.27       14346.36
                    &fs_info->scrub_lock:             0              0           0.00           0.00           0.00              8              8           0.61           1.06           7.05
                &fs_info->tree_log_mutex:             0              0           0.00           0.00           0.00              8              8         509.64      140683.26      336304.29
                          btrfs-dev-01-W:             0              0           0.00           0.00           0.00              7            862           0.14           8.33         531.06
                          btrfs-dev-01-R:             0              0           0.00           0.00           0.00             21           5103           0.10          10.05        4649.60
        &(&root->accounting_lock)->rlock:             0              0           0.00           0.00           0.00          19721          27109           0.10          41.59       11564.15
                        btrfs-chunk-01-W:             0              0           0.00           0.00           0.00              7           1409           0.14           4.43         992.27
                        btrfs-chunk-01-R:             0              0           0.00           0.00           0.00             21           2481           0.10          16.88        1739.57
   &(&fs_info->defrag_inodes_lock)->rloc:             0              0           0.00           0.00           0.00              2              6           0.95           1.31           6.43
                              &x->wait#2:             0              0           0.00           0.00           0.00              0             16           0.12           0.57           3.07
                 &cur_trans->commit_wait:             0              0           0.00           0.00           0.00              8              8           0.20           0.67           3.04
              &fs_info->scrub_pause_wait:             0              0           0.00           0.00           0.00              5              8           0.16           0.54           2.96
                &type->i_mutex_dir_key#6:             0              0           0.00           0.00           0.00              0              2           3.28           7.74          11.02
                          sb_writers#1-R:             0              0           0.00           0.00           0.00              0       20447317           1.08    57262153.69   285688644.47
              &type->i_mutex_dir_key#6/1:             0              0           0.00           0.00           0.00              0              7           0.80         501.54         528.12
                   &root->objectid_mutex:             0              0           0.00           0.00           0.00              2             80           0.18           2.85          64.01
                     &sig->wait_chldexit:             0              0           0.00           0.00           0.00             28            748           0.11           6.23         146.59
   &(&fs_info->delayed_iput_lock)->rlock:             0              0           0.00           0.00           0.00              4              8           0.25           0.71           4.07
   &(&fs_info->fs_roots_radix_lock)->rlo:             0              0           0.00           0.00           0.00             15             24           0.15           6.44          68.25
     &fs_info->transaction_kthread_mutex:             0              0           0.00           0.00           0.00              5              6        8790.72    64319777.42   169305079.71
                &child->perf_event_mutex:             0              0           0.00           0.00           0.00              9             12           0.21           2.86          10.75
                       btrfs-extent-01-W:             0              0           0.00           0.00           0.00            120          84944           0.14          80.54       54347.47
                       btrfs-extent-01-R:             0              0           0.00           0.00           0.00             38          12477           0.10           2.51        1960.21
              &sb->s_type->i_mutex_key#1:             0              0           0.00           0.00           0.00              1       20447310           6.97    57262142.36   280775807.33
                     &ei->delalloc_mutex:             0              0           0.00           0.00           0.00              0       20447232           0.83         288.88    17932333.87
                     &(&ei->lock)->rlock:             0              0           0.00           0.00           0.00             75       61341771           0.10         290.01     7888523.35
                 &sb->s_type->i_lock_key:             0              0           0.00           0.00           0.00              5             37           0.13           1.08          10.50
                            &entry->wait:             0              0           0.00           0.00           0.00             92            105           0.11          13.43         119.15
                                ntp_lock:             0              0           0.00           0.00           0.00              0          70967           0.10           6.04       37713.75
                       btrfs-extent-02-W:             0              0           0.00           0.00           0.00              1           1495           0.15          45.81        1079.68
                       btrfs-extent-02-R:             0              0           0.00           0.00           0.00             88          87617           0.10         213.26       49990.07
            &(&root->orphan_lock)->rlock:             0              0           0.00           0.00           0.00              8              8           0.27           0.56           3.04
                  &root->fs_commit_mutex:             0              0           0.00           0.00           0.00              8              8           3.41           5.24          33.33
                  &nonblocking_pool.lock:             0              0           0.00           0.00           0.00              2           2285           0.15           1.85        1334.88
