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

                      &eb->write_lock_wq:     127196349      135533046           0.09         479.35   958394512.79      214006043      243122587           0.08         326.67   366589930.78
                      ------------------
                      &eb->write_lock_wq       47081054          [<ffffffff81063531>] finish_wait+0x41/0x80
                      &eb->write_lock_wq       21918952          [<ffffffff8106e892>] __wake_up+0x32/0x70
                      &eb->write_lock_wq       66533040          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90
                      ------------------
                      &eb->write_lock_wq       37983859          [<ffffffff8106e892>] __wake_up+0x32/0x70
                      &eb->write_lock_wq       25816797          [<ffffffff81063531>] finish_wait+0x41/0x80
                      &eb->write_lock_wq       71732387          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90

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

                         btrfs-csum-01-W:      51994575       54116437           0.09       10624.70   698946126.00       77397413      145843394           0.08       12548.43   301334400.77
                         btrfs-csum-01-R:      24127023       25549104           0.09        6707.80   201028378.65       70967070      126831689           0.08        7209.41   182781331.86
                         ---------------
                           btrfs-csum-01       28630991          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           btrfs-csum-01        3794969          [<ffffffff8133e83a>] btrfs_clear_lock_blocking_rw+0x6a/0x1a0
                           btrfs-csum-01       18029358          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                           btrfs-csum-01        7267591          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                         ---------------
                           btrfs-csum-01        8206666          [<ffffffff8133e83a>] btrfs_clear_lock_blocking_rw+0x6a/0x1a0
                           btrfs-csum-01       17044761          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           btrfs-csum-01       39327222          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                           btrfs-csum-01        4214187          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140

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

                           btrfs-fs-03-W:      18888558       22199932           0.09        2863.39   522655223.96       24412659       30470457           0.08         946.97   169440967.11
                           btrfs-fs-03-R:      14625512       15681992           0.09         929.44   168895931.44       43183748       56048574           0.08         334.24   122016127.01
                           -------------
                             btrfs-fs-03        7527642          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                             btrfs-fs-03       12140014          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                             btrfs-fs-03       10059916          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                             btrfs-fs-03        6599414          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                           -------------
                             btrfs-fs-03       16661702          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                             btrfs-fs-03       10081583          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                             btrfs-fs-03        3573036          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                             btrfs-fs-03        5243581          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140

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

                       &eb->read_lock_wq:      24165948       25993127           0.10         336.74   140340785.93       54101777       65911854           0.08         308.71    95627691.61
                       -----------------
                       &eb->read_lock_wq        6188396          [<ffffffff81063531>] finish_wait+0x41/0x80
                       &eb->read_lock_wq       10249238          [<ffffffff8106e892>] __wake_up+0x32/0x70
                       &eb->read_lock_wq        9555493          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90
                       -----------------
                       &eb->read_lock_wq       14852274          [<ffffffff8106e892>] __wake_up+0x32/0x70
                       &eb->read_lock_wq        3628993          [<ffffffff81063531>] finish_wait+0x41/0x80
                       &eb->read_lock_wq        7511860          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90

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

                &(&eb->refs_lock)->rlock:      10153883       10336425           0.09        7741.32    13608066.79      198076047      680233822           0.08        7746.91   163085480.72
                ------------------------
                &(&eb->refs_lock)->rlock        6777140          [<ffffffff8132b7df>] free_extent_buffer+0x1f/0x90
                &(&eb->refs_lock)->rlock        3559282          [<ffffffff81325345>] check_buffer_tree_ref+0x25/0x50
                &(&eb->refs_lock)->rlock              1          [<ffffffff8132c08f>] free_extent_buffer_stale+0x1f/0x70
                &(&eb->refs_lock)->rlock              2          [<ffffffff8132baef>] btree_write_cache_pages+0x29f/0x820
                ------------------------
                &(&eb->refs_lock)->rlock        6971508          [<ffffffff8132b7df>] free_extent_buffer+0x1f/0x90
                &(&eb->refs_lock)->rlock        3364915          [<ffffffff81325345>] check_buffer_tree_ref+0x25/0x50
                &(&eb->refs_lock)->rlock              2          [<ffffffff8132baef>] btree_write_cache_pages+0x29f/0x820

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

           &(&mapping->tree_lock)->rlock:       3855679        4282128           0.09         931.59     4184537.36        9449554      120924538           0.10         876.53    29201748.99
           -----------------------------
           &(&mapping->tree_lock)->rlock        1466875          [<ffffffff811042f3>] test_set_page_writeback+0x63/0x190
           &(&mapping->tree_lock)->rlock        2808155          [<ffffffff8110586f>] test_clear_page_writeback+0x5f/0x1b0
           &(&mapping->tree_lock)->rlock           2735          [<ffffffff810f9a51>] add_to_page_cache_locked+0x71/0xe0
           &(&mapping->tree_lock)->rlock           3503          [<ffffffff811040f0>] __set_page_dirty_nobuffers+0x60/0x150
           -----------------------------
           &(&mapping->tree_lock)->rlock        1945418          [<ffffffff8110586f>] test_clear_page_writeback+0x5f/0x1b0
           &(&mapping->tree_lock)->rlock        2323316          [<ffffffff811042f3>] test_set_page_writeback+0x63/0x190
           &(&mapping->tree_lock)->rlock           7897          [<ffffffff811040f0>] __set_page_dirty_nobuffers+0x60/0x150
           &(&mapping->tree_lock)->rlock           4773          [<ffffffff810f9a51>] add_to_page_cache_locked+0x71/0xe0

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

   &(&cur_trans->delayed_refs.lock)->rlo:       3275183        3450602           0.14        2018.45    17633443.20       12795063       24320121           0.08        1950.16    62109027.58
   -------------------------------------
   &(&cur_trans->delayed_refs.lock)->rlo        1774104          [<ffffffff812fbc9c>] run_clustered_refs+0x19c/0xa70
   &(&cur_trans->delayed_refs.lock)->rlo         195194          [<ffffffff8134e0ad>] btrfs_add_delayed_tree_ref+0xbd/0x210
   &(&cur_trans->delayed_refs.lock)->rlo        1242797          [<ffffffff8134e2bd>] btrfs_add_delayed_data_ref+0xbd/0x220
   &(&cur_trans->delayed_refs.lock)->rlo         162818          [<ffffffff812fbd83>] run_clustered_refs+0x283/0xa70
   -------------------------------------
   &(&cur_trans->delayed_refs.lock)->rlo         215274          [<ffffffff8134e0ad>] btrfs_add_delayed_tree_ref+0xbd/0x210
   &(&cur_trans->delayed_refs.lock)->rlo         980870          [<ffffffff812fbc9c>] run_clustered_refs+0x19c/0xa70
   &(&cur_trans->delayed_refs.lock)->rlo         170677          [<ffffffff812fbd83>] run_clustered_refs+0x283/0xa70
   &(&cur_trans->delayed_refs.lock)->rlo            924          [<ffffffff812fc7d1>] btrfs_run_delayed_refs+0x261/0x4b0

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

                           btrfs-fs-02-W:       1057229        1168803           0.13        1041.80    17957515.38        4703957       17382730           0.08         523.83    24079797.12
                           btrfs-fs-02-R:        651583         695380           0.12         378.89     5866321.79        5206482       17221146           0.08         303.61    20783202.15
                           -------------
                             btrfs-fs-02         476740          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                             btrfs-fs-02         243700          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                             btrfs-fs-02         364605          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                             btrfs-fs-02         684561          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           -------------
                             btrfs-fs-02         171587          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                             btrfs-fs-02         698623          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                             btrfs-fs-02         238423          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                             btrfs-fs-02         608584          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280

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

                       btrfs-extent-03-W:        722359         830158           0.10        1514.87    10795047.54         976549       15696549           0.08         329.14    17853639.66
                       btrfs-extent-03-R:        624842         661054           0.11         333.51     4930998.73        2650709       27743303           0.08         301.04    13814246.22
                       -----------------
                         btrfs-extent-03         378183          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                         btrfs-extent-03         249603          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                         btrfs-extent-03         451973          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                         btrfs-extent-03         356540          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                       -----------------
                         btrfs-extent-03         199203          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                         btrfs-extent-03         325853          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                         btrfs-extent-03         206021          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                         btrfs-extent-03         692200          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0

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

                         btrfs-csum-03-W:        643506         735423           0.11        1356.71     5001639.75         878452        5089883           0.08         288.52     7601954.11
                         btrfs-csum-03-R:        735727         750256           0.11         233.99     3349225.98       68823365      187963414           0.08        4107.11   253913773.04
                         ---------------
                           btrfs-csum-03         358324          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           btrfs-csum-03         377098          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                           btrfs-csum-03         404178          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                           btrfs-csum-03         208687          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                         ---------------
                           btrfs-csum-03         615320          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                           btrfs-csum-03         257593          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           btrfs-csum-03         237775          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                           btrfs-csum-03         199181          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140

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

                      &(&t->lock)->rlock:       1010686        1064641           0.10         295.00     1299519.99        4338907       55257246           0.08         297.10    18355520.55
                      ------------------
                      &(&t->lock)->rlock         214692          [<ffffffff81323d2e>] btrfs_add_ordered_sum+0x2e/0x70
                      &(&t->lock)->rlock         343550          [<ffffffff81323fbc>] btrfs_dec_test_ordered_pending+0x4c/0x1e0
                      &(&t->lock)->rlock         249405          [<ffffffff8132471d>] btrfs_lookup_ordered_extent+0x3d/0x110
                      &(&t->lock)->rlock         251806          [<ffffffff81323aad>] __btrfs_add_ordered_extent+0x11d/0x2e0
                      ------------------
                      &(&t->lock)->rlock         306855          [<ffffffff81323fbc>] btrfs_dec_test_ordered_pending+0x4c/0x1e0
                      &(&t->lock)->rlock         182659          [<ffffffff81323d2e>] btrfs_add_ordered_sum+0x2e/0x70
                      &(&t->lock)->rlock         218888          [<ffffffff8132471d>] btrfs_lookup_ordered_extent+0x3d/0x110
                      &(&t->lock)->rlock         351053          [<ffffffff81323aad>] __btrfs_add_ordered_extent+0x11d/0x2e0

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

                  &(&found->lock)->rlock:       1006756        1008805           0.11         266.79     1186007.67       16289415      104534984           0.08         298.88    27118314.97
                  ----------------------
                  &(&found->lock)->rlock          25158          [<ffffffff812fa307>] btrfs_check_data_free_space+0x97/0x270
                  &(&found->lock)->rlock         101798          [<ffffffff812f9b2b>] reserve_metadata_bytes.clone.60+0x7b/0x7c0
                  &(&found->lock)->rlock              9          [<ffffffff812f3992>] update_space_info+0x62/0x210
                  &(&found->lock)->rlock              6          [<ffffffff812f8d30>] do_chunk_alloc.clone.59+0x310/0x420
                  ----------------------
                  &(&found->lock)->rlock             12          [<ffffffff812f8d30>] do_chunk_alloc.clone.59+0x310/0x420
                  &(&found->lock)->rlock             15          [<ffffffff812f5a4c>] update_global_block_rsv+0x12c/0x290
                  &(&found->lock)->rlock          98732          [<ffffffff812f25e4>] btrfs_update_reserved_bytes+0x44/0x140
                  &(&found->lock)->rlock          27609          [<ffffffff812fa307>] btrfs_check_data_free_space+0x97/0x270

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

                         btrfs-csum-02-W:        403321         412812           0.12        9481.03    13376741.42         889725        4675042           0.08         286.20     5141481.93
                         btrfs-csum-02-R:        377735         390348           0.14         302.38     1620994.68      128106321      227284285           0.08        7191.71   789421050.17
                         ---------------
                           btrfs-csum-02          85695          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                           btrfs-csum-02          73801          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                           btrfs-csum-02          63530          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                           btrfs-csum-02         323378          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                         ---------------
                           btrfs-csum-02         206644          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                           btrfs-csum-02          41965          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                           btrfs-csum-02         269637          [<ffffffff8133e83a>] btrfs_clear_lock_blocking_rw+0x6a/0x1a0
                           btrfs-csum-02         168799          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280

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

                    &delayed_node->mutex:        373857         373857           6.51        5784.21    46954764.59        4564016       78562410           0.15        7282.16   313670009.44
                    --------------------
                    &delayed_node->mutex         358734          [<ffffffff813592a8>] btrfs_delayed_update_inode+0x48/0x660
                    &delayed_node->mutex           7925          [<ffffffff81356b3f>] __btrfs_release_delayed_node+0x4f/0x210
                    &delayed_node->mutex           1271          [<ffffffff81357e1e>] btrfs_delete_delayed_items+0x5e/0x370
                    &delayed_node->mutex            808          [<ffffffff813572ac>] btrfs_update_delayed_inode+0x3c/0x1e0
                    --------------------
                    &delayed_node->mutex         351226          [<ffffffff813572ac>] btrfs_update_delayed_inode+0x3c/0x1e0
                    &delayed_node->mutex           7585          [<ffffffff81356b3f>] __btrfs_release_delayed_node+0x4f/0x210
                    &delayed_node->mutex          12707          [<ffffffff813592a8>] btrfs_delayed_update_inode+0x48/0x660
                    &delayed_node->mutex           2266          [<ffffffff813579a3>] btrfs_insert_delayed_items+0x43/0x460

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

             &fs_info->tree_mod_log_lock:        325578         325871           0.14       70493.04     2058133.61        9494962       11956459           0.08      123902.29    18827779.12
             ---------------------------
             &fs_info->tree_mod_log_lock          74979          [<ffffffff812e6a7f>] tree_mod_log_insert_key_mask.clone.37+0x8f/0x1d0
             &fs_info->tree_mod_log_lock          23226          [<ffffffff812e7245>] tree_mod_log_insert_move.clone.39+0x85/0x190
             &fs_info->tree_mod_log_lock         109258          [<ffffffff812e90dc>] btrfs_get_tree_mod_seq+0x3c/0xc0
             &fs_info->tree_mod_log_lock            617          [<ffffffff812e714f>] tree_mod_log_free_eb+0x6f/0xe0
             ---------------------------
             &fs_info->tree_mod_log_lock          86571          [<ffffffff812e9245>] btrfs_put_tree_mod_seq+0xe5/0x180
             &fs_info->tree_mod_log_lock          14670          [<ffffffff812e7245>] tree_mod_log_insert_move.clone.39+0x85/0x190
             &fs_info->tree_mod_log_lock          45041          [<ffffffff812e6a7f>] tree_mod_log_insert_key_mask.clone.37+0x8f/0x1d0
             &fs_info->tree_mod_log_lock           5573          [<ffffffff812e714f>] tree_mod_log_free_eb+0x6f/0xe0

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

                               &rq->lock:        285780         285937           0.23         228.19      504605.71       29406458      410995706           0.07         320.60   289433581.76
                               ---------
                               &rq->lock           5505          [<ffffffff8107b6ac>] load_balance+0x55c/0x820
                               &rq->lock           2203          [<ffffffff8169682e>] __schedule+0xbe/0x7c0
                               &rq->lock              2          [<ffffffff8106eaeb>] task_rq_lock+0x5b/0xb0
                               &rq->lock         274146          [<ffffffff81074a87>] try_to_wake_up+0x237/0x300
                               ---------
                               &rq->lock           4566          [<ffffffff8107b6ac>] load_balance+0x55c/0x820
                               &rq->lock         272919          [<ffffffff8169682e>] __schedule+0xbe/0x7c0
                               &rq->lock           1748          [<ffffffff8107b4af>] load_balance+0x35f/0x820
                               &rq->lock           2378          [<ffffffff810749ff>] try_to_wake_up+0x1af/0x300

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

   &(&fs_info->tree_mod_seq_lock)->rlock:        259073         259309           0.13         221.75      276959.75       15492695       21211950           0.08         303.63    12627901.29
   -------------------------------------
   &(&fs_info->tree_mod_seq_lock)->rlock          47924          [<ffffffff8134de28>] btrfs_check_delayed_seq+0x38/0x80
   &(&fs_info->tree_mod_seq_lock)->rlock          88473          [<ffffffff812e90e4>] btrfs_get_tree_mod_seq+0x44/0xc0
   &(&fs_info->tree_mod_seq_lock)->rlock         122912          [<ffffffff812e919f>] btrfs_put_tree_mod_seq+0x3f/0x180
   -------------------------------------
   &(&fs_info->tree_mod_seq_lock)->rlock         153665          [<ffffffff812e919f>] btrfs_put_tree_mod_seq+0x3f/0x180
   &(&fs_info->tree_mod_seq_lock)->rlock          61002          [<ffffffff812e90e4>] btrfs_get_tree_mod_seq+0x44/0xc0
   &(&fs_info->tree_mod_seq_lock)->rlock          44642          [<ffffffff8134de28>] btrfs_check_delayed_seq+0x38/0x80

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

        &(&fs_info->balance_lock)->rlock:        166879         166988           0.22         219.98      121075.22        5829652       19315977           0.10         294.57     4536942.99
        --------------------------------
        &(&fs_info->balance_lock)->rlock         166988          [<ffffffff812f8895>] btrfs_reduce_alloc_profile+0x45/0x130
        --------------------------------
        &(&fs_info->balance_lock)->rlock         166988          [<ffffffff812f8895>] btrfs_reduce_alloc_profile+0x45/0x130

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

   &(&fs_info->block_group_cache_lock)->:        151869         160070           0.10         250.92      180729.90        4182286       15328395           0.09         297.02     5378598.74
   -------------------------------------
   &(&fs_info->block_group_cache_lock)->         160069          [<ffffffff812f21c8>] block_group_cache_tree_search+0x28/0xd0
   &(&fs_info->block_group_cache_lock)->              1          [<ffffffff812f2847>] btrfs_add_block_group_cache+0x27/0xd0
   -------------------------------------
   &(&fs_info->block_group_cache_lock)->         160070          [<ffffffff812f21c8>] block_group_cache_tree_search+0x28/0xd0

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

       &(&fs_info->delalloc_lock)->rlock:        105655         110524           0.22          91.95       93761.17        4426290       42442024           0.08         315.37     7817125.81
       ---------------------------------
       &(&fs_info->delalloc_lock)->rlock          11131          [<ffffffff81313206>] btrfs_set_bit_hook+0x96/0x190
       &(&fs_info->delalloc_lock)->rlock          48533          [<ffffffff812f6b7b>] update_block_group.clone.58+0x3b/0x2a0
       &(&fs_info->delalloc_lock)->rlock           7113          [<ffffffff8130a4d1>] btrfs_mark_buffer_dirty+0x91/0xf0
       &(&fs_info->delalloc_lock)->rlock          13464          [<ffffffff8132bb47>] btree_write_cache_pages+0x2f7/0x820
       ---------------------------------
       &(&fs_info->delalloc_lock)->rlock          31406          [<ffffffff813134af>] btrfs_clear_bit_hook+0x1af/0x240
       &(&fs_info->delalloc_lock)->rlock          10293          [<ffffffff8130a4d1>] btrfs_mark_buffer_dirty+0x91/0xf0
       &(&fs_info->delalloc_lock)->rlock          51457          [<ffffffff812f6b7b>] update_block_group.clone.58+0x3b/0x2a0
       &(&fs_info->delalloc_lock)->rlock           9319          [<ffffffff81313206>] btrfs_set_bit_hook+0x96/0x190

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

                           btrfs-fs-01-W:         64076          64179           0.10          94.21       95408.08        1872775       26756743           0.08         337.45    23260988.57
                           btrfs-fs-01-R:         43310          43374           0.21         220.46       56428.01         945797        5699652           0.08        2279.85     4276203.48
                           -------------
                             btrfs-fs-01          24508          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                             btrfs-fs-01           1162          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                             btrfs-fs-01          10523          [<ffffffff8133eaff>] btrfs_try_tree_read_lock+0x4f/0x80
                             btrfs-fs-01          23169          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                           -------------
                             btrfs-fs-01          14798          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                             btrfs-fs-01          39155          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                             btrfs-fs-01            467          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                             btrfs-fs-01          10203          [<ffffffff8133eaff>] btrfs_try_tree_read_lock+0x4f/0x80

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

                        rcu_node_level_1:        101146         102728           0.12         182.53      297526.19         572492        1561050           0.07         206.25      811302.53
                        ----------------
                        rcu_node_level_1          98964          [<ffffffff810c6cb1>] rcu_process_callbacks+0x391/0x530
                        rcu_node_level_1           3103          [<ffffffff810c54f7>] rcu_start_gp+0x157/0x310
                        rcu_node_level_1            637          [<ffffffff810c5928>] force_qs_rnp+0x68/0x190
                        rcu_node_level_1             24          [<ffffffff810c580c>] rcu_report_qs_rnp+0x15c/0x210
                        ----------------
                        rcu_node_level_1          92355          [<ffffffff810c6cb1>] rcu_process_callbacks+0x391/0x530
                        rcu_node_level_1           6102          [<ffffffff810c54f7>] rcu_start_gp+0x157/0x310
                        rcu_node_level_1           1033          [<ffffffff810c5928>] force_qs_rnp+0x68/0x190
                        rcu_node_level_1           3238          [<ffffffff810c580c>] rcu_report_qs_rnp+0x15c/0x210

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

                    &(&rsv->lock)->rlock:         95444          96763           0.14          51.73       78173.92       13264478       79723428           0.08         321.13    13926623.22
                    --------------------
                    &(&rsv->lock)->rlock          59385          [<ffffffff812fa76a>] btrfs_block_rsv_check+0x3a/0x90
                    &(&rsv->lock)->rlock           4790          [<ffffffff812f2458>] block_rsv_use_bytes+0x38/0x80
                    &(&rsv->lock)->rlock           8820          [<ffffffff812f24d5>] block_rsv_add_bytes+0x35/0x80
                    &(&rsv->lock)->rlock              2          [<ffffffff812f5a54>] update_global_block_rsv+0x134/0x290
                    --------------------
                    &(&rsv->lock)->rlock              7          [<ffffffff812f5a54>] update_global_block_rsv+0x134/0x290
                    &(&rsv->lock)->rlock          60088          [<ffffffff812fa76a>] btrfs_block_rsv_check+0x3a/0x90
                    &(&rsv->lock)->rlock           4709          [<ffffffff812f24d5>] block_rsv_add_bytes+0x35/0x80
                    &(&rsv->lock)->rlock           5360          [<ffffffff812f2458>] block_rsv_use_bytes+0x38/0x80

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

                       btrfs-extent-02-W:         45958          52838           0.29         357.38      262266.22         481616       14153714           0.08         301.04    11528502.38
                       btrfs-extent-02-R:         38485          40909           0.27         295.01      167525.83         763804       13104498           0.08         318.62     9288658.55
                       -----------------
                         btrfs-extent-02          24105          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                         btrfs-extent-02          25009          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                         btrfs-extent-02          26762          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                         btrfs-extent-02           9681          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                       -----------------
                         btrfs-extent-02          36293          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                         btrfs-extent-02          20571          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                         btrfs-extent-02          14079          [<ffffffff8133e9b8>] btrfs_tree_read_lock+0x48/0x140
                         btrfs-extent-02          12581          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140

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

          &(&fs_info->trans_lock)->rlock:         86733          86754           0.23          59.06       67825.85        5250968       70097628           0.10         286.90    11616826.16
          ------------------------------
          &(&fs_info->trans_lock)->rlock          78483          [<ffffffff8130e0e5>] join_transaction.clone.25+0x25/0x370
          &(&fs_info->trans_lock)->rlock           8262          [<ffffffff8130eb48>] btrfs_transaction_in_commit+0x28/0x60
          &(&fs_info->trans_lock)->rlock              7          [<ffffffff8130e4e2>] wait_current_trans.clone.26+0x22/0xf0
          &(&fs_info->trans_lock)->rlock              2          [<ffffffff812e6104>] add_root_to_dirty_list+0x24/0x90
          ------------------------------
          &(&fs_info->trans_lock)->rlock          82507          [<ffffffff8130e0e5>] join_transaction.clone.25+0x25/0x370
          &(&fs_info->trans_lock)->rlock           4236          [<ffffffff8130eb48>] btrfs_transaction_in_commit+0x28/0x60
          &(&fs_info->trans_lock)->rlock              2          [<ffffffff812e6104>] add_root_to_dirty_list+0x24/0x90
          &(&fs_info->trans_lock)->rlock              3          [<ffffffff8130eba8>] btrfs_transaction_blocked+0x28/0x60

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

           &(&delayed_root->lock)->rlock:         76465          76517           0.18         306.94       70242.62        5567945       39886314           0.09         320.19     7758052.22
           -----------------------------
           &(&delayed_root->lock)->rlock             78          [<ffffffff81357571>] btrfs_first_prepared_delayed_node+0x21/0x70
           &(&delayed_root->lock)->rlock          44102          [<ffffffff81356b55>] __btrfs_release_delayed_node+0x65/0x210
           &(&delayed_root->lock)->rlock            127          [<ffffffff8135828a>] btrfs_async_run_delayed_node_done+0x15a/0x210
           &(&delayed_root->lock)->rlock          19590          [<ffffffff81356c00>] __btrfs_release_delayed_node+0x110/0x210
           -----------------------------
           &(&delayed_root->lock)->rlock            146          [<ffffffff8135828a>] btrfs_async_run_delayed_node_done+0x15a/0x210
           &(&delayed_root->lock)->rlock          58347          [<ffffffff81356b55>] __btrfs_release_delayed_node+0x65/0x210
           &(&delayed_root->lock)->rlock           5215          [<ffffffff81356c00>] __btrfs_release_delayed_node+0x110/0x210
           &(&delayed_root->lock)->rlock             58          [<ffffffff81357571>] btrfs_first_prepared_delayed_node+0x21/0x70

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

                      &(&h->lock)->rlock:         73504          73738           0.20         218.49      193450.53         606720        2242924           0.14         288.50     3824160.03
                      ------------------
                      &(&h->lock)->rlock          20304          [<ffffffffa0003adf>] do_cciss_request+0x49f/0x5f0 [cciss]
                      &(&h->lock)->rlock          18862          [<ffffffffa0004cd2>] do_cciss_msix_intr+0x22/0x230 [cciss]
                      &(&h->lock)->rlock          11980          [<ffffffff81392a46>] blk_end_bidi_request+0x46/0x80
                      &(&h->lock)->rlock           2823          [<ffffffff813948d7>] blk_flush_plug_list+0x187/0x230
                      ------------------
                      &(&h->lock)->rlock           6022          [<ffffffff81392a46>] blk_end_bidi_request+0x46/0x80
                      &(&h->lock)->rlock          11807          [<ffffffffa0003adf>] do_cciss_request+0x49f/0x5f0 [cciss]
                      &(&h->lock)->rlock           2361          [<ffffffff81394bdc>] blk_queue_bio+0x20c/0x3b0
                      &(&h->lock)->rlock          48633          [<ffffffffa0004cd2>] do_cciss_msix_intr+0x22/0x230 [cciss]

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

   &(&fs_info->ordered_extent_lock)->rlo:         54797          54822           0.27          55.00       42166.81        5647291        8357654           0.08         284.47     4033309.01
   -------------------------------------
   &(&fs_info->ordered_extent_lock)->rlo          32645          [<ffffffff813242b3>] btrfs_remove_ordered_extent+0x83/0x180
   &(&fs_info->ordered_extent_lock)->rlo          18380          [<ffffffff81323b53>] __btrfs_add_ordered_extent+0x1c3/0x2e0
   &(&fs_info->ordered_extent_lock)->rlo           3726          [<ffffffff81324be1>] btrfs_run_ordered_operations+0x51/0x220
   &(&fs_info->ordered_extent_lock)->rlo             71          [<ffffffff81324574>] btrfs_wait_ordered_extents+0xa4/0x210
   -------------------------------------
   &(&fs_info->ordered_extent_lock)->rlo          19281          [<ffffffff81323b53>] __btrfs_add_ordered_extent+0x1c3/0x2e0
   &(&fs_info->ordered_extent_lock)->rlo          32384          [<ffffffff813242b3>] btrfs_remove_ordered_extent+0x83/0x180
   &(&fs_info->ordered_extent_lock)->rlo           2870          [<ffffffff81324be1>] btrfs_run_ordered_operations+0x51/0x220
   &(&fs_info->ordered_extent_lock)->rlo            287          [<ffffffff81324574>] btrfs_wait_ordered_extents+0xa4/0x210

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

                 &cur_trans->writer_wait:         41049          41049           0.30          25.60      108587.25        1247674        1247686           0.11         283.75     2898658.77
                 -----------------------
                 &cur_trans->writer_wait          41049          [<ffffffff8106e892>] __wake_up+0x32/0x70
                 -----------------------
                 &cur_trans->writer_wait              1          [<ffffffff81063531>] finish_wait+0x41/0x80
                 &cur_trans->writer_wait          41048          [<ffffffff8106e892>] __wake_up+0x32/0x70

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

                   &(&tree->lock)->rlock:         26250          26753           0.21         347.52       63852.97        1318079      110802931           0.08        1574.73    55529767.93
                   ---------------------
                   &(&tree->lock)->rlock          19806          [<ffffffff8132699f>] __set_extent_bit+0x6f/0x4f0
                   &(&tree->lock)->rlock           5666          [<ffffffff81326eaa>] clear_extent_bit+0x8a/0x3e0
                   &(&tree->lock)->rlock           1063          [<ffffffff81325e99>] find_delalloc_range+0x39/0x1d0
                   &(&tree->lock)->rlock            218          [<ffffffff81328439>] test_range_bit+0x39/0x180
                   ---------------------
                   &(&tree->lock)->rlock          13753          [<ffffffff8132699f>] __set_extent_bit+0x6f/0x4f0
                   &(&tree->lock)->rlock          12381          [<ffffffff81326eaa>] clear_extent_bit+0x8a/0x3e0
                   &(&tree->lock)->rlock            556          [<ffffffff81325e99>] find_delalloc_range+0x39/0x1d0
                   &(&tree->lock)->rlock             63          [<ffffffff81328439>] test_range_bit+0x39/0x180

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

        &(&root->root_times_lock)->rlock:         18589          19044           0.21          48.50       14547.65        3845923       35047154           0.10         280.35     6236260.54
        --------------------------------
        &(&root->root_times_lock)->rlock          19044          [<ffffffff813022f2>] btrfs_update_root_times+0x52/0x90
        --------------------------------
        &(&root->root_times_lock)->rlock          19044          [<ffffffff813022f2>] btrfs_update_root_times+0x52/0x90

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

                         btrfs-csum-00-W:         18993          19028           0.10         783.37       28196.48        1258182      130051285           0.08        4309.55    34221160.88
                         btrfs-csum-00-R:             0              0           0.00           0.00           0.00              3           3453           0.10         864.07        1368.13
                         ---------------
                           btrfs-csum-00           9668          [<ffffffff8133eb7f>] btrfs_try_tree_write_lock+0x4f/0xc0
                           btrfs-csum-00           9340          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           btrfs-csum-00             20          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                         ---------------
                           btrfs-csum-00           2976          [<ffffffff8133eb7f>] btrfs_try_tree_write_lock+0x4f/0xc0
                           btrfs-csum-00          15962          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                           btrfs-csum-00             90          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280

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

                       btrfs-extent-01-W:         18165          18205           0.28          55.87       31297.82        1104595       26444063           0.08         296.91    24801930.89
                       btrfs-extent-01-R:             0              0           0.00           0.00           0.00            498          12677           0.10           4.43        3259.34
                       -----------------
                         btrfs-extent-01           6523          [<ffffffff8133eb7f>] btrfs_try_tree_write_lock+0x4f/0xc0
                         btrfs-extent-01           5400          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                         btrfs-extent-01           6282          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                       -----------------
                         btrfs-extent-01          11734          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                         btrfs-extent-01           4657          [<ffffffff8133eb7f>] btrfs_try_tree_write_lock+0x4f/0xc0
                         btrfs-extent-01           1814          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280

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

          &(&workers->order_lock)->rlock:         14889          14945           0.22         103.86       12548.80         771155        1696100           0.08         652.61      646310.31
          ------------------------------
          &(&workers->order_lock)->rlock           3058          [<ffffffff81336eef>] run_ordered_completions+0x8f/0x110
          &(&workers->order_lock)->rlock           4864          [<ffffffff8133771f>] btrfs_queue_worker+0x24f/0x330
          &(&workers->order_lock)->rlock           3322          [<ffffffff81336f36>] run_ordered_completions+0xd6/0x110
          &(&workers->order_lock)->rlock           3701          [<ffffffff81336eac>] run_ordered_completions+0x4c/0x110
          ------------------------------
          &(&workers->order_lock)->rlock           5350          [<ffffffff8133771f>] btrfs_queue_worker+0x24f/0x330
          &(&workers->order_lock)->rlock           2193          [<ffffffff81336f36>] run_ordered_completions+0xd6/0x110
          &(&workers->order_lock)->rlock           5199          [<ffffffff81336eac>] run_ordered_completions+0x4c/0x110
          &(&workers->order_lock)->rlock           2203          [<ffffffff81336eef>] run_ordered_completions+0x8f/0x110

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

                                &q->lock:          5152           5490           0.31           8.05        5633.76         672256         683089           0.10         269.79      556936.51
                                --------
                                &q->lock           4157          [<ffffffff81098d68>] generic_exec_single+0x48/0xb0
                                &q->lock           1333          [<ffffffff81099697>] generic_smp_call_function_single_interrupt+0x57/0x120
                                --------
                                &q->lock           3642          [<ffffffff81099697>] generic_smp_call_function_single_interrupt+0x57/0x120
                                &q->lock           1848          [<ffffffff81098d68>] generic_exec_single+0x48/0xb0

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

                 &(&worker->lock)->rlock:          5015           5484           0.25           3.95        4357.74         733636        5569221           0.10         275.73     2134070.93
                 -----------------------
                 &(&worker->lock)->rlock           2139          [<ffffffff81337c9a>] worker_loop+0x49a/0x5a0
                 &(&worker->lock)->rlock           1843          [<ffffffff81337655>] btrfs_queue_worker+0x185/0x330
                 &(&worker->lock)->rlock           1133          [<ffffffff813379b7>] worker_loop+0x1b7/0x5a0
                 &(&worker->lock)->rlock            369          [<ffffffff8133791f>] worker_loop+0x11f/0x5a0
                 -----------------------
                 &(&worker->lock)->rlock           3228          [<ffffffff81337655>] btrfs_queue_worker+0x185/0x330
                 &(&worker->lock)->rlock            926          [<ffffffff813379b7>] worker_loop+0x1b7/0x5a0
                 &(&worker->lock)->rlock            492          [<ffffffff81337c9a>] worker_loop+0x49a/0x5a0
                 &(&worker->lock)->rlock            838          [<ffffffff8133791f>] worker_loop+0x11f/0x5a0

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

                        rcu_node_level_0:          5028           5332           0.30          28.22       26177.47          53116          99091           0.10          14.96       81374.70
                        ----------------
                        rcu_node_level_0           3638          [<ffffffff810c6c48>] rcu_process_callbacks+0x328/0x530
                        rcu_node_level_0            438          [<ffffffff810c570f>] rcu_report_qs_rnp+0x5f/0x210
                        rcu_node_level_0             62          [<ffffffff810c650f>] force_quiescent_state+0x18f/0x2f0
                        rcu_node_level_0             12          [<ffffffff810c6468>] force_quiescent_state+0xe8/0x2f0
                        ----------------
                        rcu_node_level_0           4518          [<ffffffff810c6c48>] rcu_process_callbacks+0x328/0x530
                        rcu_node_level_0            390          [<ffffffff810c570f>] rcu_report_qs_rnp+0x5f/0x210
                        rcu_node_level_0             88          [<ffffffff810c650f>] force_quiescent_state+0x18f/0x2f0
                        rcu_node_level_0             39          [<ffffffff810c6468>] force_quiescent_state+0xe8/0x2f0

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

               &sb->s_type->i_lock_key#1:          5214           5317           0.15          62.18        4438.69        1016318       77974430           0.08         322.59     9241279.55
               -------------------------
               &sb->s_type->i_lock_key#1            274          [<ffffffff811649a8>] igrab+0x28/0x70
               &sb->s_type->i_lock_key#1           1749          [<ffffffff8114f388>] inode_get_bytes+0x28/0x60
               &sb->s_type->i_lock_key#1           2029          [<ffffffff8114f47e>] inode_add_bytes+0x2e/0xa0
               &sb->s_type->i_lock_key#1           1223          [<ffffffff8114f3ee>] inode_sub_bytes+0x2e/0x90
               -------------------------
               &sb->s_type->i_lock_key#1           1295          [<ffffffff8114f47e>] inode_add_bytes+0x2e/0xa0
               &sb->s_type->i_lock_key#1           2178          [<ffffffff8114f3ee>] inode_sub_bytes+0x2e/0x90
               &sb->s_type->i_lock_key#1            284          [<ffffffff811649a8>] igrab+0x28/0x70
               &sb->s_type->i_lock_key#1           1547          [<ffffffff8114f388>] inode_get_bytes+0x28/0x60

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

              &(&device->io_lock)->rlock:          3493           3608           0.10        1206.76       15073.76         287445         901157           0.09        1518.60      342436.56
              --------------------------
              &(&device->io_lock)->rlock           1281          [<ffffffff8132dd69>] run_scheduled_bios+0xb9/0x540
              &(&device->io_lock)->rlock           1932          [<ffffffff8132e31f>] schedule_bio.clone.43+0x5f/0x120
              &(&device->io_lock)->rlock            395          [<ffffffff8132e07d>] run_scheduled_bios+0x3cd/0x540
              --------------------------
              &(&device->io_lock)->rlock           1716          [<ffffffff8132e31f>] schedule_bio.clone.43+0x5f/0x120
              &(&device->io_lock)->rlock           1783          [<ffffffff8132dd69>] run_scheduled_bios+0xb9/0x540
              &(&device->io_lock)->rlock            104          [<ffffffff8132e07d>] run_scheduled_bios+0x3cd/0x540
              &(&device->io_lock)->rlock              5          [<ffffffff8132e0fe>] run_scheduled_bios+0x44e/0x540

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

                &(&workers->lock)->rlock:          2339           2414           0.25           4.60        2280.75          27163        4442365           0.11         277.41      983590.34
                ------------------------
                &(&workers->lock)->rlock             28          [<ffffffff81337ba9>] worker_loop+0x3a9/0x5a0
                &(&workers->lock)->rlock           2386          [<ffffffff81337520>] btrfs_queue_worker+0x50/0x330
                ------------------------
                &(&workers->lock)->rlock           2396          [<ffffffff81337520>] btrfs_queue_worker+0x50/0x330
                &(&workers->lock)->rlock             17          [<ffffffff81337ba9>] worker_loop+0x3a9/0x5a0
                &(&workers->lock)->rlock              1          [<ffffffff81337a8e>] worker_loop+0x28e/0x5a0

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

                             &rq->lock/1:          2329           2329           0.23          40.38       11143.11           7254          20602           0.08          14.78       31247.68
                             -----------
                             &rq->lock/1           2329          [<ffffffff8107b4af>] load_balance+0x35f/0x820
                             -----------
                             &rq->lock/1            542          [<ffffffff8169682e>] __schedule+0xbe/0x7c0
                             &rq->lock/1            465          [<ffffffff8107b6ac>] load_balance+0x55c/0x820
                             &rq->lock/1           1303          [<ffffffff8107b4af>] load_balance+0x35f/0x820
                             &rq->lock/1              7          [<ffffffff810749ff>] try_to_wake_up+0x1af/0x300

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

         &(&cluster->refill_lock)->rlock:          2117           2118           0.47          13.56        3925.99         453560         634487           0.55         843.41     1041250.97
         -------------------------------
         &(&cluster->refill_lock)->rlock           2118          [<ffffffff812f90ef>] find_free_extent+0x2af/0xc70
         -------------------------------
         &(&cluster->refill_lock)->rlock           2118          [<ffffffff812f90ef>] find_free_extent+0x2af/0xc70

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

            &(&tree->buffer_lock)->rlock:          2074           2094           0.23          40.19        2406.46         481867         939402           0.12         300.93      925044.26
            ----------------------------
            &(&tree->buffer_lock)->rlock           1197          [<ffffffff81325bf4>] release_extent_buffer.clone.30+0x54/0xe0
            &(&tree->buffer_lock)->rlock            897          [<ffffffff8132b561>] alloc_extent_buffer+0x301/0x480
            ----------------------------
            &(&tree->buffer_lock)->rlock           1569          [<ffffffff8132b561>] alloc_extent_buffer+0x301/0x480
            &(&tree->buffer_lock)->rlock            525          [<ffffffff81325bf4>] release_extent_buffer.clone.30+0x54/0xe0

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

                &(&cluster->lock)->rlock:          1917           1923           0.29          11.60        1684.02         464475        1331073           0.10         281.18      642319.89
                ------------------------
                &(&cluster->lock)->rlock            621          [<ffffffff81349a5c>] btrfs_alloc_from_cluster+0x3c/0x240
                &(&cluster->lock)->rlock           1012          [<ffffffff812f8f6a>] find_free_extent+0x12a/0xc70
                &(&cluster->lock)->rlock            289          [<ffffffff813484ff>] __btrfs_add_free_space+0xff/0x400
                &(&cluster->lock)->rlock              1          [<ffffffff81349997>] btrfs_return_cluster_to_free_space+0x27/0xb0
                ------------------------
                &(&cluster->lock)->rlock           1075          [<ffffffff812f8f6a>] find_free_extent+0x12a/0xc70
                &(&cluster->lock)->rlock            755          [<ffffffff81349a5c>] btrfs_alloc_from_cluster+0x3c/0x240
                &(&cluster->lock)->rlock             93          [<ffffffff813484ff>] __btrfs_add_free_space+0xff/0x400

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

                                   key#5:          1744           1745           0.29          12.63        1589.89         665721        3892756           0.08         216.29     1089944.69
                                   -----
                                   key#5           1745          [<ffffffff813ccae0>] __percpu_counter_add+0x50/0x80
                                   -----
                                   key#5           1745          [<ffffffff813ccae0>] __percpu_counter_add+0x50/0x80

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

                 &(&n->list_lock)->rlock:          1664           1686           0.28          11.72        2311.33         523202        1362725           0.11         265.07      819960.03
                 -----------------------
                 &(&n->list_lock)->rlock           1445          [<ffffffff8114035f>] unfreeze_partials+0x6f/0x1a0
                 &(&n->list_lock)->rlock            204          [<ffffffff8114114f>] get_partial_node.clone.42+0x4f/0x1f0
                 &(&n->list_lock)->rlock             37          [<ffffffff81140618>] __slab_free+0xc8/0x330
                 -----------------------
                 &(&n->list_lock)->rlock            262          [<ffffffff8114114f>] get_partial_node.clone.42+0x4f/0x1f0
                 &(&n->list_lock)->rlock           1396          [<ffffffff8114035f>] unfreeze_partials+0x6f/0x1a0
                 &(&n->list_lock)->rlock             28          [<ffffffff81140618>] __slab_free+0xc8/0x330

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

                           &tree->lock-W:           731            756           0.34          10.73        1471.72         520404       15617373           0.11         300.56    10702662.04
                           &tree->lock-R:           484            487           0.37           7.78         895.15         627860       65805568           0.11         417.58    10254915.11
                           -------------
                             &tree->lock            259          [<ffffffff81313f3e>] btrfs_get_extent+0x7e/0xa10
                             &tree->lock            230          [<ffffffff81316d18>] cow_file_range+0x288/0x4a0
                             &tree->lock            336          [<ffffffff81322495>] unpin_extent_cache+0x35/0xc0
                             &tree->lock            189          [<ffffffff8132048e>] btrfs_drop_extent_cache+0x8e/0x380
                           -------------
                             &tree->lock            971          [<ffffffff81322495>] unpin_extent_cache+0x35/0xc0
                             &tree->lock            117          [<ffffffff8132048e>] btrfs_drop_extent_cache+0x8e/0x380
                             &tree->lock             45          [<ffffffff81313f3e>] btrfs_get_extent+0x7e/0xa10
                             &tree->lock             69          [<ffffffff81316d18>] cow_file_range+0x288/0x4a0

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

                       btrfs-extent-00-W:          1200           1200           0.29          37.65        2268.85        2377229       19144698           0.11         318.72    18583001.16
                       btrfs-extent-00-R:             0              0           0.00           0.00           0.00              5             36           0.12           1.25          15.25
                       -----------------
                         btrfs-extent-00           1198          [<ffffffff8133eb7f>] btrfs_try_tree_write_lock+0x4f/0xc0
                         btrfs-extent-00              2          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                       -----------------
                         btrfs-extent-00           1200          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0

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

        &(&mapping->private_lock)->rlock:           586            589           0.26           2.36         459.74         483468         940801           0.11         206.30      369969.32
        --------------------------------
        &(&mapping->private_lock)->rlock            315          [<ffffffff8132b3be>] alloc_extent_buffer+0x15e/0x480
        &(&mapping->private_lock)->rlock            274          [<ffffffff81325b31>] btrfs_release_extent_buffer_page.clone.36+0xd1/0x140
        --------------------------------
        &(&mapping->private_lock)->rlock            349          [<ffffffff8132b3be>] alloc_extent_buffer+0x15e/0x480
        &(&mapping->private_lock)->rlock            240          [<ffffffff81325b31>] btrfs_release_extent_buffer_page.clone.36+0xd1/0x140

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

               &(&ctl->tree_lock)->rlock:           523            523           0.39           8.89         926.45         455831      170503639           0.10         835.12    19172943.43
               -------------------------
               &(&ctl->tree_lock)->rlock            463          [<ffffffff81349bcf>] btrfs_alloc_from_cluster+0x1af/0x240
               &(&ctl->tree_lock)->rlock             60          [<ffffffff8134844d>] __btrfs_add_free_space+0x4d/0x400
               -------------------------
               &(&ctl->tree_lock)->rlock            464          [<ffffffff8134844d>] __btrfs_add_free_space+0x4d/0x400
               &(&ctl->tree_lock)->rlock             59          [<ffffffff81349bcf>] btrfs_alloc_from_cluster+0x1af/0x240

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

             &fs_info->tree_mod_seq_wait:           325            330           0.32          14.14         494.37        2114750        2217921           0.10         247.68      684924.75
             ---------------------------
             &fs_info->tree_mod_seq_wait             66          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90
             &fs_info->tree_mod_seq_wait             68          [<ffffffff81063531>] finish_wait+0x41/0x80
             &fs_info->tree_mod_seq_wait            196          [<ffffffff8106e892>] __wake_up+0x32/0x70
             ---------------------------
             &fs_info->tree_mod_seq_wait             76          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90
             &fs_info->tree_mod_seq_wait            221          [<ffffffff8106e892>] __wake_up+0x32/0x70
             &fs_info->tree_mod_seq_wait             33          [<ffffffff81063531>] finish_wait+0x41/0x80

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

                                pci_lock:           226            226           0.81          14.34        1041.51           9356          21458           1.24         199.00       77954.96
                                --------
                                pci_lock            226          [<ffffffff813d2f82>] pci_bus_read_config_word+0x42/0x90
                                --------
                                pci_lock            226          [<ffffffff813d2f82>] pci_bus_read_config_word+0x42/0x90

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

                           btrfs-fs-00-W:           148            148           0.52           8.30         320.76        1678434       23426055           0.13         292.12    13094307.85
                           btrfs-fs-00-R:             2              2           1.58           6.98           8.56           1294           9646           0.11          12.63        7314.96
                           -------------
                             btrfs-fs-00              1          [<ffffffff8133ea40>] btrfs_tree_read_lock+0xd0/0x140
                             btrfs-fs-00              1          [<ffffffff8133eaff>] btrfs_try_tree_read_lock+0x4f/0x80
                             btrfs-fs-00            147          [<ffffffff8133eb7f>] btrfs_try_tree_write_lock+0x4f/0xc0
                             btrfs-fs-00              1          [<ffffffff8133ed09>] btrfs_tree_lock+0x119/0x280
                           -------------
                             btrfs-fs-00            149          [<ffffffff8133e8e8>] btrfs_clear_lock_blocking_rw+0x118/0x1a0
                             btrfs-fs-00              1          [<ffffffff8133e83a>] btrfs_clear_lock_blocking_rw+0x6a/0x1a0

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

            &(&bp->indirect_lock)->rlock:            91             94           0.69           4.26         206.13           2068           4648           0.12          41.40        6184.35
            ----------------------------
            &(&bp->indirect_lock)->rlock             38          [<ffffffffa02fc498>] bnx2_send_heart_beat+0x28/0x70 [bnx2]
            &(&bp->indirect_lock)->rlock             56          [<ffffffffa02f9a1e>] bnx2_reg_rd_ind+0x2e/0x60 [bnx2]
            ----------------------------
            &(&bp->indirect_lock)->rlock             56          [<ffffffffa02f9a1e>] bnx2_reg_rd_ind+0x2e/0x60 [bnx2]
            &(&bp->indirect_lock)->rlock             38          [<ffffffffa02fc498>] bnx2_send_heart_beat+0x28/0x70 [bnx2]

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

               &(&zone->lru_lock)->rlock:            92             92           0.40           6.46         110.87         188870        2522686           0.11         289.15     2061808.83
               -------------------------
               &(&zone->lru_lock)->rlock             92          [<ffffffff81106e5f>] pagevec_lru_move_fn+0xaf/0x120
               -------------------------
               &(&zone->lru_lock)->rlock             92          [<ffffffff81106e5f>] pagevec_lru_move_fn+0xaf/0x120

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

                   &(&zone->lock)->rlock:            79             79           0.39           7.33         128.97         121430        1676856           0.12         296.55     2079598.40
                   ---------------------
                   &(&zone->lock)->rlock             47          [<ffffffff81102c05>] __free_pages_ok+0xb5/0x4e0
                   &(&zone->lock)->rlock             25          [<ffffffff81101871>] get_page_from_freelist+0x741/0x7b0
                   &(&zone->lock)->rlock              7          [<ffffffff81101573>] get_page_from_freelist+0x443/0x7b0
                   ---------------------
                   &(&zone->lock)->rlock             27          [<ffffffff81101573>] get_page_from_freelist+0x443/0x7b0
                   &(&zone->lock)->rlock              9          [<ffffffff81101871>] get_page_from_freelist+0x741/0x7b0
                   &(&zone->lock)->rlock             41          [<ffffffff81102c05>] __free_pages_ok+0xb5/0x4e0
                   &(&zone->lock)->rlock              2          [<ffffffff81102144>] free_pcppages_bulk+0x34/0x400

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

                   &(&base->lock)->rlock:            67             68           0.53           7.01         128.90           5803        6454776           0.10         248.14     3602733.16
                   ---------------------
                   &(&base->lock)->rlock             37          [<ffffffff8104e4a4>] run_timer_softirq+0x44/0x3f0
                   &(&base->lock)->rlock             19          [<ffffffff8104e8fb>] add_timer_on+0x5b/0xf0
                   &(&base->lock)->rlock             11          [<ffffffff8104dafb>] lock_timer_base.clone.28+0x3b/0x70
                   &(&base->lock)->rlock              1          [<ffffffff8104e659>] run_timer_softirq+0x1f9/0x3f0
                   ---------------------
                   &(&base->lock)->rlock             39          [<ffffffff8104e8fb>] add_timer_on+0x5b/0xf0
                   &(&base->lock)->rlock             17          [<ffffffff8104e4a4>] run_timer_softirq+0x44/0x3f0
                   &(&base->lock)->rlock             11          [<ffffffff8104dafb>] lock_timer_base.clone.28+0x3b/0x70
                   &(&base->lock)->rlock              1          [<ffffffff8104e659>] run_timer_softirq+0x1f9/0x3f0

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

                         tasklist_lock-W:            24             24           1.17          26.26         190.85             85            181           0.15          15.65         787.28
                         tasklist_lock-R:             0              0           0.00           0.00           0.00             65           1285           0.15           9.61        1252.45
                         ---------------
                           tasklist_lock              7          [<ffffffff81043813>] do_exit+0x203/0x940
                           tasklist_lock              9          [<ffffffff81041f7a>] release_task+0x7a/0x4e0
                           tasklist_lock              8          [<ffffffff81043ab8>] do_exit+0x4a8/0x940
                         ---------------
                           tasklist_lock              9          [<ffffffff81043ab8>] do_exit+0x4a8/0x940
                           tasklist_lock             11          [<ffffffff81041f7a>] release_task+0x7a/0x4e0
                           tasklist_lock              4          [<ffffffff81043813>] do_exit+0x203/0x940

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

                     &(&ei->lock)->rlock:            16             16           0.66          18.32          31.70         520976       95823580           0.10         302.16    12713886.11
                     -------------------
                     &(&ei->lock)->rlock              7          [<ffffffff812fb196>] btrfs_delalloc_release_metadata+0x46/0x160
                     &(&ei->lock)->rlock              4          [<ffffffff812faf79>] btrfs_delalloc_reserve_metadata+0x229/0x400
                     &(&ei->lock)->rlock              2          [<ffffffff812fadf7>] btrfs_delalloc_reserve_metadata+0xa7/0x400
                     &(&ei->lock)->rlock              3          [<ffffffff813596cb>] btrfs_delayed_update_inode+0x46b/0x660
                     -------------------
                     &(&ei->lock)->rlock             10          [<ffffffff812fb196>] btrfs_delalloc_release_metadata+0x46/0x160
                     &(&ei->lock)->rlock              2          [<ffffffff812fadf7>] btrfs_delalloc_reserve_metadata+0xa7/0x400
                     &(&ei->lock)->rlock              1          [<ffffffff812faf79>] btrfs_delalloc_reserve_metadata+0x229/0x400
                     &(&ei->lock)->rlock              3          [<ffffffff813596cb>] btrfs_delayed_update_inode+0x46b/0x660

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

                                   key#6:            15             15           0.31           1.48          10.26           4817         649066           0.10          29.45       76690.46
                                   -----
                                   key#6             15          [<ffffffff813ccae0>] __percpu_counter_add+0x50/0x80
                                   -----
                                   key#6             15          [<ffffffff813ccae0>] __percpu_counter_add+0x50/0x80

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

                    zone->wait_table + i:            10             10           0.51           6.14          18.08           3821          10846           0.11          24.17       14331.44
                    --------------------
                    zone->wait_table + i              8          [<ffffffff8106e892>] __wake_up+0x32/0x70
                    zone->wait_table + i              2          [<ffffffff81063531>] finish_wait+0x41/0x80
                    --------------------
                    zone->wait_table + i              4          [<ffffffff8106e892>] __wake_up+0x32/0x70
                    zone->wait_table + i              6          [<ffffffff81063531>] finish_wait+0x41/0x80

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

                        &input_pool.lock:            10             10           0.64           2.60          12.52           1819         185499           0.15          13.95       63438.93
                        ----------------
                        &input_pool.lock              1          [<ffffffff81465c99>] account+0x39/0x140
                        &input_pool.lock              9          [<ffffffff81465fa9>] mix_pool_bytes.clone.7+0x49/0xb0
                        ----------------
                        &input_pool.lock              1          [<ffffffff81465ded>] extract_buf+0x4d/0x1a0
                        &input_pool.lock              9          [<ffffffff81465fa9>] mix_pool_bytes.clone.7+0x49/0xb0

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

              &fs_info->transaction_wait:             4              4           0.78           7.29          10.66             74            100           0.11          35.32         249.24
              --------------------------
              &fs_info->transaction_wait              4          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90
              --------------------------
              &fs_info->transaction_wait              2          [<ffffffff8106362a>] prepare_to_wait+0x2a/0x90
              &fs_info->transaction_wait              1          [<ffffffff81063531>] finish_wait+0x41/0x80
              &fs_info->transaction_wait              1          [<ffffffff8106e892>] __wake_up+0x32/0x70

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

        &(&root->accounting_lock)->rlock:             3              3           0.75           0.96           2.46         261203         318650           0.10         212.14      157391.26
        --------------------------------
        &(&root->accounting_lock)->rlock              3          [<ffffffff812ebbcf>] btrfs_del_leaf+0x8f/0xf0
        --------------------------------
        &(&root->accounting_lock)->rlock              3          [<ffffffff812ed286>] split_leaf+0x156/0x780

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

              &sb->s_type->i_mutex_key#7:             2              2          29.51          30.88          60.39             30            219           0.19          18.02         164.84
              --------------------------
              &sb->s_type->i_mutex_key#7              1          [<ffffffff8115434e>] pipe_read+0x8e/0x510
              &sb->s_type->i_mutex_key#7              1          [<ffffffff81153d6a>] pipe_write+0x7a/0x5d0
              --------------------------
              &sb->s_type->i_mutex_key#7              1          [<ffffffff81153d6a>] pipe_write+0x7a/0x5d0
              &sb->s_type->i_mutex_key#7              1          [<ffffffff8115434e>] pipe_read+0x8e/0x510

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

                                   key#7:             2              2           0.82           1.00           1.82           3262         325148           0.10          15.53       43706.98
                                   -----
                                   key#7              2          [<ffffffff813ccae0>] __percpu_counter_add+0x50/0x80
                                   -----
                                   key#7              2          [<ffffffff813ccae0>] __percpu_counter_add+0x50/0x80

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

                   &fs_info->reloc_mutex:             2              2          33.96          40.93          74.90             29             30           0.88        6566.65       44975.97
                   ---------------------
                   &fs_info->reloc_mutex              2          [<ffffffff8130e5f9>] btrfs_record_root_in_trans+0x49/0x90
                   ---------------------
                   &fs_info->reloc_mutex              2          [<ffffffff8130e5f9>] btrfs_record_root_in_trans+0x49/0x90

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

   &(&fs_info->delayed_iput_lock)->rlock:             2              2           0.59           0.91           1.50            680           5129           0.10           5.84        1068.87
   -------------------------------------
   &(&fs_info->delayed_iput_lock)->rlock              2          [<ffffffff813153e2>] btrfs_run_delayed_iputs+0x42/0x130
   -------------------------------------
   &(&fs_info->delayed_iput_lock)->rlock              2          [<ffffffff813153e2>] btrfs_run_delayed_iputs+0x42/0x130

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

                                 sb_lock:             1              1           0.79           0.79           0.79             38           3062           0.11           3.42         665.67
                                 -------
                                 sb_lock              1          [<ffffffff8114e089>] iterate_supers+0xa9/0x100
                                 -------
                                 sb_lock              1          [<ffffffff8114dddb>] grab_super_passive+0x1b/0x90

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

                    &irq_desc_lock_class:             1              1           6.31           6.31           6.31            853         838944           0.10          12.29      308014.26
                    --------------------
                    &irq_desc_lock_class              1          [<ffffffff810c12ae>] handle_edge_irq+0x1e/0x110
                    --------------------
                    &irq_desc_lock_class              1          [<ffffffff810c4305>] show_interrupts+0x125/0x310

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

        &(&journal->j_state_lock)->rlock:             1              1           0.94           0.94           0.94             23            821           0.11          16.76         525.02
        --------------------------------
        &(&journal->j_state_lock)->rlock              1          [<ffffffff8123c568>] log_wait_commit+0x28/0x150
        --------------------------------
        &(&journal->j_state_lock)->rlock              1          [<ffffffff8123cb6c>] kjournald+0x1ec/0x280

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

                         inode_hash_lock:             0              0           0.00           0.00           0.00             85          31654           0.11          61.99       13259.40
                             sysfs_mutex:             0              0           0.00           0.00           0.00             10         240105           0.14          96.75       50975.52
                                pgd_lock:             0              0           0.00           0.00           0.00             19             30           0.18           2.23          30.13
                     file_systems_lock-R:             0              0           0.00           0.00           0.00              2              2          15.07          18.72          33.79
              &rcu_sched_state.onofflock:             0              0           0.00           0.00           0.00           5811          10166           1.66         269.98      127416.52
                              xtime_lock:             0              0           0.00           0.00           0.00              0         119411           1.89         280.75     1647463.11
              &sb->s_type->i_mutex_key#4:             0              0           0.00           0.00           0.00             10             21           1.67           5.81          97.15
                   &(&gcwq->lock)->rlock:             0              0           0.00           0.00           0.00            265         176216           0.16         202.35      642896.47
                                &x->wait:             0              0           0.00           0.00           0.00             85            134           0.13          13.06         298.21
                     kthread_create_lock:             0              0           0.00           0.00           0.00             49            105           0.11           1.73          43.13
                &(&stopper->lock)->rlock:             0              0           0.00           0.00           0.00            190            312           0.11           8.93         563.47
              &(&newf->file_lock)->rlock:             0              0           0.00           0.00           0.00             47          97816           0.11         221.72       16613.03
                              &x->wait#2:             0              0           0.00           0.00           0.00              9             18           0.15           0.96           8.12
                        &namespace_sem-R:             0              0           0.00           0.00           0.00              0              9           0.18          61.79         226.68
                     &(&fs->lock)->rlock:             0              0           0.00           0.00           0.00             59          13514           0.12         217.60       15162.27
                           watchdog_lock:             0              0           0.00           0.00           0.00           2388           2388           3.38          34.33       18175.60
                  random_write_wait.lock:             0              0           0.00           0.00           0.00              9             15           0.15           1.40           8.33
             &(&sighand->siglock)->rlock:             0              0           0.00           0.00           0.00            119            447           0.10          13.04         609.36
                &(&p->alloc_lock)->rlock:             0              0           0.00           0.00           0.00             67            373           0.10          11.65         434.15
                             pidmap_lock:             0              0           0.00           0.00           0.00             65             93           0.32           1.74          81.30
                             &p->pi_lock:             0              0           0.00           0.00           0.00       63358154      115940189           0.10         322.57   260168486.29
                           vmlist_lock-R:             0              0           0.00           0.00           0.00              0              2           2.51          14.90          17.41
                      call_function.lock:             0              0           0.00           0.00           0.00              4              4           0.60           3.55           5.60
                             sysctl_lock:             0              0           0.00           0.00           0.00              3             33           0.10           0.47           5.51
                               balancing:             0              0           0.00           0.00           0.00              0        1451344           0.07         205.25     1532411.07
                                bdi_lock:             0              0           0.00           0.00           0.00              0              4          15.33          31.34         101.95
                         pci_config_lock:             0              0           0.00           0.00           0.00           9356          21458           1.02           7.10       34779.02
                                  &timer:             0              0           0.00           0.00           0.00              0         587998           0.07          53.81       49210.78
                            sb_writers-R:             0              0           0.00           0.00           0.00              0             21           2.30           7.92         127.59
                                events-R:             0              0           0.00           0.00           0.00              0          57478           2.30        2204.65      399434.44
                         &cpu_base->lock:             0              0           0.00           0.00           0.00            122       11470042           0.12         280.61    53874422.83
               &sb->s_type->i_lock_key#9:             0              0           0.00           0.00           0.00              4             56           0.09           1.60          18.91
                               bdev_lock:             0              0           0.00           0.00           0.00              0              2           4.01          20.76          24.77
                &type->i_mutex_dir_key#2:             0              0           0.00           0.00           0.00             21            368           0.62          77.34        5075.22
                               uts_sem-R:             0              0           0.00           0.00           0.00              0              2           0.60           1.12           1.72
                               tty_mutex:             0              0           0.00           0.00           0.00              0              6           0.72           3.98           9.39
                              &tbl->lock:             0              0           0.00           0.00           0.00              0           1456           0.11          42.88        1251.98
                          files_lglock-R:             0              0           0.00           0.00           0.00              0          64934           0.08         217.21        7414.16
                  &mapping->i_mmap_mutex:             0              0           0.00           0.00           0.00            155            900           0.15           3.42         439.65
                   &fsnotify_mark_srcu-R:             0              0           0.00           0.00           0.00              0       31172373           0.07         274.60     2376695.05
                &rcu_sched_state.fqslock:             0              0           0.00           0.00           0.00              0           9567           0.10          32.03       87835.43
                     &sig->group_rwsem-R:             0              0           0.00           0.00           0.00             42             48           0.16          20.62         112.86
                          &port_lock_key:             0              0           0.00           0.00           0.00              3             13           0.12          21.24          78.50
                      nl_table_wait.lock:             0              0           0.00           0.00           0.00              0            109           0.11           1.46          23.55
                         nl_table_lock-R:             0              0           0.00           0.00           0.00              0            109           0.11           1.09          26.39
               &sb->s_type->i_lock_key#8:             0              0           0.00           0.00           0.00              1            140           0.10           1.27          32.55
                        proc_subdir_lock:             0              0           0.00           0.00           0.00             15          10208           0.14         188.10        7751.68
               &sb->s_type->i_lock_key#4:             0              0           0.00           0.00           0.00              2         118530           0.08          44.42       18634.89
               &sb->s_type->i_lock_key#3:             0              0           0.00           0.00           0.00            110            230           0.10           2.13          76.18
        &(kretprobe_table_locks[i].lock):             0              0           0.00           0.00           0.00             41             43           0.31           0.85          22.29
                            &port->mutex:             0              0           0.00           0.00           0.00              2              3           1.37           2.42           5.22
                   &(&uhci->lock)->rlock:             0              0           0.00           0.00           0.00              0           4776           6.90          26.14       44675.28
         &(&ent->pde_unload_lock)->rlock:             0              0           0.00           0.00           0.00            236          27628           0.10           1.52        3451.55
                           &ndev->lock-R:             0              0           0.00           0.00           0.00              0             57           0.13           1.07          27.08
                 &(&mc->mca_lock)->rlock:             0              0           0.00           0.00           0.00              0             19           0.23           0.42           5.77
                      rcu_read_lock_bh-R:             0              0           0.00           0.00           0.00              0            289           0.08           3.99         192.09
                    addrconf_verify_lock:             0              0           0.00           0.00           0.00              0             19           2.26           3.55          56.01
                             &vha->timer:             0              0           0.00           0.00           0.00              0          21458           1.71         209.22      150226.01
                               cdev_lock:             0              0           0.00           0.00           0.00              3              5           0.41           0.89           3.79
                           big_tty_mutex:             0              0           0.00           0.00           0.00              0              8           0.11           6.26          17.95
                     &tty->termios_mutex:             0              0           0.00           0.00           0.00              1              1           0.69           0.69           0.69
                        &tty->write_wait:             0              0           0.00           0.00           0.00              2              7           0.12           0.71           1.85
                          tty_files_lock:             0              0           0.00           0.00           0.00              0              8           0.12           0.47           1.82
                            &ld->wq_idle:             0              0           0.00           0.00           0.00              1              2           0.48           0.70           1.19
                   &(&port->lock)->rlock:             0              0           0.00           0.00           0.00              0              4           0.13           0.33           0.87
                      &(&i->lock)->rlock:             0              0           0.00           0.00           0.00              0              4          16.00          25.15          84.24
                  &sig->cred_guard_mutex:             0              0           0.00           0.00           0.00              9              9         169.12       27361.21       43522.59
                         &mm->mmap_sem-W:             0              0           0.00           0.00           0.00             19          43816           0.12         808.62       79206.18
                         &mm->mmap_sem-R:             0              0           0.00           0.00           0.00             17          25556           0.14       12053.34       55313.59
          &(&mm->page_table_lock)->rlock:             0              0           0.00           0.00           0.00             49          49027           0.10         201.02       15446.95
                        &anon_vma->mutex:             0              0           0.00           0.00           0.00            337          87812           0.15           5.66       16158.62
                             rename_lock:             0              0           0.00           0.00           0.00              3             82           0.35           3.57          82.78
                         &mm->mmap_sem/1:             0              0           0.00           0.00           0.00              0              8          40.56         806.66        2141.33
        &(&mm->page_table_lock)->rlock/1:             0              0           0.00           0.00           0.00              0            200           0.14         111.16        1342.84
                                     key:             0              0           0.00           0.00           0.00             17             32           0.12           0.58           9.42
                 &type->s_umount_key#1-R:             0              0           0.00           0.00           0.00              2              6           0.13           0.79           2.40
                  &type->i_mutex_dir_key:             0              0           0.00           0.00           0.00             15          10088           3.01         192.30       45445.48
                         dcache_lru_lock:             0              0           0.00           0.00           0.00              4           1031           0.14           1.74         755.54
              &sb->s_type->i_mutex_key#6:             0              0           0.00           0.00           0.00              9            123           1.96          55.39        1357.70
             &(&dentry->d_lock)->rlock/1:             0              0           0.00           0.00           0.00             24           8821           0.11           1.52        1605.70
                                &p->lock:             0              0           0.00           0.00           0.00              0           6618           0.19         575.13       96901.46
                 &type->s_umount_key#1-R:             0              0           0.00           0.00           0.00              2              6           0.13           0.68           2.74
                 &type->s_umount_key#1-R:             0              0           0.00           0.00           0.00              2              6           0.13           0.97           3.48
                             &pipe->wait:             0              0           0.00           0.00           0.00             59           5003           0.11          16.10         739.31
            &sb->s_type->i_mutex_key#7/1:             0              0           0.00           0.00           0.00              2              2           1.27           2.84           4.11
                          sb_writers#3-R:             0              0           0.00           0.00           0.00              0              3           3.73           8.07          15.80
                 &tty->atomic_write_lock:             0              0           0.00           0.00           0.00              0              1          17.31          17.31          17.31
                         unix_table_lock:             0              0           0.00           0.00           0.00              4             28           0.12           0.89           9.91
                            &u->readlock:             0              0           0.00           0.00           0.00              4              6           5.93          18.01          66.34
                  sysfs_open_dirent_lock:             0              0           0.00           0.00           0.00              9          71160           0.11           5.35        8480.82
                          &buffer->mutex:             0              0           0.00           0.00           0.00              0          23720           1.00         107.95       58586.69
                               swap_lock:             0              0           0.00           0.00           0.00              0              2           0.26           0.67           0.93
                               &wq->wait:             0              0           0.00           0.00           0.00             11             18           0.11          18.16          66.31
                          sb_writers#4-R:             0              0           0.00           0.00           0.00              0              6           0.89           3.52          10.65
                &(&wb->list_lock)->rlock:             0              0           0.00           0.00           0.00            596           7340           0.13         147.89       14733.07
                    &(&f->f_lock)->rlock:             0              0           0.00           0.00           0.00              0              3           0.21           1.39           2.53
                      &(&u->lock)->rlock:             0              0           0.00           0.00           0.00              6             28           0.12           3.67          32.38
      &af_unix_sk_receive_queue_lock_key:             0              0           0.00           0.00           0.00             12             36           0.11           1.07          10.86
                           &u->peer_wait:             0              0           0.00           0.00           0.00              5             18           0.12           0.76           5.14
                  &(&ioc->lock)->rlock/1:             0              0           0.00           0.00           0.00              5              9           0.14           0.67           3.70
                  &(&ioc->lock)->rlock#2:             0              0           0.00           0.00           0.00              0              9           0.12           0.35           1.68
                          &hcd->rh_timer:             0              0           0.00           0.00           0.00              0           4776           7.44          31.60       56360.21
                   random_read_wait.lock:             0              0           0.00           0.00           0.00            603           7475           0.11           6.94        2825.34
                            init_fs.lock:             0              0           0.00           0.00           0.00             36             62           0.11           1.16          32.00
                           binfmt_lock-R:             0              0           0.00           0.00           0.00              4             20           0.13           0.92           7.63
         &(&futex_queues[i].lock)->rlock:             0              0           0.00           0.00           0.00             27             34           0.17          16.98          92.12
                        &ei->xattr_sem-R:             0              0           0.00           0.00           0.00              5             11           0.16           0.50           3.82
                             fasync_lock:             0              0           0.00           0.00           0.00              0              2           0.53           0.64           1.17
                            events_nrt-R:             0              0           0.00           0.00           0.00              0            119        1186.46        1486.03      143654.01
                         &watchdog_timer:             0              0           0.00           0.00           0.00              0           2388           4.20          40.75       21666.00
                    &(&u->lock)->rlock/1:             0              0           0.00           0.00           0.00              2              4           0.10           0.12           0.42
                          sb_writers#7-R:             0              0           0.00           0.00           0.00              0            353           4.09         334.79        3084.10
                 &type->s_umount_key#1-R:             0              0           0.00           0.00           0.00              2              6           0.13           0.96           3.39
              &type->i_mutex_dir_key#3/1:             0              0           0.00           0.00           0.00              0              2          11.41          11.87          23.27
              &sb->s_type->i_mutex_key#9:             0              0           0.00           0.00           0.00              4              6           1.41           6.76          20.68
                       &tty->output_lock:             0              0           0.00           0.00           0.00              0              2           5.91           6.51          12.42
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              2             12           2.71         592.08        1714.47
               &s->s_dquot.dqonoff_mutex:             0              0           0.00           0.00           0.00              1              4           0.18           2.18           4.95
              &sb->s_type->i_mutex_key#1:             0              0           0.00           0.00           0.00             18            350           3.74         211.39        2525.07
   &(&transaction->t_handle_lock)->rlock:             0              0           0.00           0.00           0.00             13            753           0.11           2.64         223.76
                              jbd_handle:             0              0           0.00           0.00           0.00              0            374           2.02         204.81        1951.89
                     &sbi->s_orphan_lock:             0              0           0.00           0.00           0.00              1              4           2.65           5.57          14.09
         &(&journal->j_list_lock)->rlock:             0              0           0.00           0.00           0.00             16            581           0.13           8.91         210.23
       &(&journal->j_revoke_lock)->rlock:             0              0           0.00           0.00           0.00              1              8           0.14           0.43           2.17
                &journal->j_wait_updates:             0              0           0.00           0.00           0.00             14            374           0.11           2.11          57.13
                     &ei->truncate_mutex:             0              0           0.00           0.00           0.00              4              9           0.67          81.58         118.97
           &(&bgl->locks[i].lock)->rlock:             0              0           0.00           0.00           0.00              3             11           0.13           0.57           3.31
         &(&sbi->s_next_gen_lock)->rlock:             0              0           0.00           0.00           0.00              0              2           0.24           0.26           0.50
                          file_lock_lock:             0              0           0.00           0.00           0.00              0              6           0.58           1.35           6.43
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              2              6           0.13           0.78           3.18
                    &(&ifa->lock)->rlock:             0              0           0.00           0.00           0.00              0             38           0.12           0.32           8.07
                         &tb->tb6_lock-W:             0              0           0.00           0.00           0.00              0            153           0.36          49.99        1051.66
                         &tb->tb6_lock-R:             0              0           0.00           0.00           0.00              0             19           1.10           3.04          44.08
                      fib6_walker_lock-W:             0              0           0.00           0.00           0.00              0            160           0.11           1.13          34.07
                      fib6_walker_lock-R:             0              0           0.00           0.00           0.00              0             32           0.14           1.29          13.17
                           slock-AF_INET:             0              0           0.00           0.00           0.00              0             12           0.14           0.89           4.00
                           clock-AF_INET:             0              0           0.00           0.00           0.00              0             12           0.12           0.49           2.97
                              rtnl_mutex:             0              0           0.00           0.00           0.00              1             12           0.92           8.56          32.76
          &(&table->hash[i].lock)->rlock:             0              0           0.00           0.00           0.00              0            134           0.13           1.59          47.36
                        rt_uncached_lock:             0              0           0.00           0.00           0.00              0            154           0.13           0.97          48.97
       &(&futex_queues[i].lock)->rlock/1:             0              0           0.00           0.00           0.00              4              4           0.10           0.16           0.51
                     edac_pci_ctls_mutex:             0              0           0.00           0.00           0.00            263           1144           0.87          24.40        4402.96
                          tty_ldisc_lock:             0              0           0.00           0.00           0.00              1              2           0.49           0.81           1.30
                            s_active#4-R:             0              0           0.00           0.00           0.00              0          11520           0.57           4.48        8454.51
                            s_active#4-R:             0              0           0.00           0.00           0.00              0          23040           0.52         105.61       18289.59
                            s_active#4-R:             0              0           0.00           0.00           0.00              0          11280           0.30          41.02        7506.72
                         rcu_read_lock-R:             0              0           0.00           0.00           0.00              0      896312544           0.07        7439.61   234819945.47
                &journal->j_commit_timer:             0              0           0.00           0.00           0.00              0              9           0.08          19.42          45.13
     &journal->j_wait_transaction_locked:             0              0           0.00           0.00           0.00              3              5           0.23           0.63           2.14
                              &x->wait#1:             0              0           0.00           0.00           0.00              3              6           0.37          10.65          20.85
                       &tty->ldisc_mutex:             0              0           0.00           0.00           0.00              0              2           0.36           0.42           0.77
                 &dev->mode_config.mutex:             0              0           0.00           0.00           0.00              0            119        1184.82        1481.93      143152.42
             &dev->mode_config.idr_mutex:             0              0           0.00           0.00           0.00              0            119           0.34           4.64         193.47
                 &(&bp->phy_lock)->rlock:             0              0           0.00           0.00           0.00              2           1152           0.23          52.89        6247.07
                             &ipmi_timer:             0              0           0.00           0.00           0.00              0           1192           2.19          18.69        7274.18
          &(&dev->tx_global_lock)->rlock:             0              0           0.00           0.00           0.00              0            239           3.29          17.31        2257.41
                           _xmit_ETHER#2:             0              0           0.00           0.00           0.00              0           1912           0.12           1.04         511.88
                 &(&list->lock)->rlock#2:             0              0           0.00           0.00           0.00              0           1912           0.10           3.78         630.09
                              &n->lock-W:             0              0           0.00           0.00           0.00              0            242           0.13           2.59         157.70
                              &n->lock-R:             0              0           0.00           0.00           0.00              0             39           0.20           1.63          20.02
                    &(&pci->work)->timer:             0              0           0.00           0.00           0.00              0           1144           2.31          32.66       11721.56
                           edac-poller-R:             0              0           0.00           0.00           0.00              0           1144           1.68          32.43        6801.78
                   (&(&pci->work)->work):             0              0           0.00           0.00           0.00              0           1144           1.37          30.11        5910.23
      &(&intf->waiting_msgs_lock)->rlock:             0              0           0.00           0.00           0.00              0           1192           0.13           1.10         419.38
                         (&(work)->work):             0              0           0.00           0.00           0.00              0          57319           1.99        2203.61      367180.14
               &(&intf->seq_lock)->rlock:             0              0           0.00           0.00           0.00              0           1192           0.31           1.91         728.35
                              &bp->timer:             0              0           0.00           0.00           0.00              0           1191           3.25          24.64       10325.94
                            s_active#6-R:             0              0           0.00           0.00           0.00              0            784           0.35           1.29         550.17
                            s_active#6-R:             0              0           0.00           0.00           0.00              0            408           0.42           1.18         266.38
                            s_active#6-R:             0              0           0.00           0.00           0.00              0            408           0.59           6.56         317.35
                 &(&list->lock)->rlock#4:             0              0           0.00           0.00           0.00              0             39           0.11           0.42           7.76
                          icmp6_dst_lock:             0              0           0.00           0.00           0.00              0             40           0.17           1.43          30.72
                 &(&bdi->wb_lock)->rlock:             0              0           0.00           0.00           0.00             40            399           0.10          13.32         289.89
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              2             12           0.15         115.68         387.48
                          &(work)->timer:             0              0           0.00           0.00           0.00              0          57319           0.60         203.98      558408.31
               &journal->j_wait_logspace:             0              0           0.00           0.00           0.00              4              5           0.32           0.67           2.51
          &(&(&n->ha_lock)->lock)->rlock:             0              0           0.00           0.00           0.00              0             13           0.14           0.17           1.99
                 mm/page-writeback.c:144:             0              0           0.00           0.00           0.00              0            398           2.47          28.20        4712.32
                    &dev->watchdog_timer:             0              0           0.00           0.00           0.00              0            239           3.61          19.45        2524.93
                               &pl->lock:             0              0           0.00           0.00           0.00             84            299           0.55          31.47        1400.66
   &(&dev->mode_config.output_poll_work):             0              0           0.00           0.00           0.00              0            119           0.94          28.15        1052.50
   (&(&dev->mode_config.output_poll_work:             0              0           0.00           0.00           0.00              0            119        1186.06        1485.04      143511.94
                 &(&tbl->gc_work)->timer:             0              0           0.00           0.00           0.00              0            159           0.78          33.89        1332.70
                (&(&tbl->gc_work)->work):             0              0           0.00           0.00           0.00              0            159           4.58          57.73        1688.46
                    &in_dev->mr_gq_timer:             0              0           0.00           0.00           0.00              0             20           0.94           4.89          46.14
                &net->ipv6.ip6_fib_timer:             0              0           0.00           0.00           0.00              0             40          12.52          73.69        1413.35
                            fib6_gc_lock:             0              0           0.00           0.00           0.00              0             40          11.52          70.75        1323.38
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              4             12           0.13           1.68           7.58
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              2              6           0.13           0.76           2.76
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              8             24           0.13           0.97          10.11
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              2              6           0.13           0.95           3.72
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              2              6           0.13           0.97           3.52
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              2              6           0.13           0.98           3.91
                 &type->s_umount_key#3-R:             0              0           0.00           0.00           0.00              2              6           0.13           0.97           3.42
                 &type->s_umount_key#3-R:             0              0           0.00           0.00           0.00              2              6           0.11           0.96           3.64
                              &x->wait#2:             0              0           0.00           0.00           0.00              6             12           0.14          10.12          25.62
                 &type->s_umount_key#3-R:             0              0           0.00           0.00           0.00              2              6           0.17           0.80           2.95
                &type->i_mutex_dir_key#3:             0              0           0.00           0.00           0.00              0              7           0.20        7997.67        8553.46
                           clock-AF_UNIX:             0              0           0.00           0.00           0.00              1             12           0.11           0.46           2.81
                                       t:             0              0           0.00           0.00           0.00              0            192           2.29          22.48        1507.14
                        &f->secret_timer:             0              0           0.00           0.00           0.00              0              4          22.06          35.97         110.39
                                &f->lock:             0              0           0.00           0.00           0.00              0              4          19.55          31.84          96.84
                          &fc->rnd_timer:             0              0           0.00           0.00           0.00              0              2          13.36          13.54          26.90
                 &journal->j_wait_commit:             0              0           0.00           0.00           0.00              6             12           0.12           9.71          13.94
            &journal->j_wait_done_commit:             0              0           0.00           0.00           0.00              7             13           0.11           4.94           7.95
                        &vfsmount_lock-R:             0              0           0.00           0.00           0.00              0         179697           0.08         225.47       81861.57
          &fs_devices->device_list_mutex:             0              0           0.00           0.00           0.00             25             34           0.53         429.10        3420.24
            &sb->s_type->i_mutex_key#1/1:             0              0           0.00           0.00           0.00              0              1          26.57          26.57          26.57
               &sb->s_type->i_lock_key#1:             0              0           0.00           0.00           0.00            998           1100           0.08           1.03         252.43
                   &fs_info->chunk_mutex:             0              0           0.00           0.00           0.00              6            234           7.98         649.41       29532.09
                              &state->wq:             0              0           0.00           0.00           0.00        3882034       12704048           0.11         279.17     1682092.42
                        btrfs-chunk-00-W:             0              0           0.00           0.00           0.00             26           1174           0.11           1.70         249.71
                        btrfs-chunk-00-R:             0              0           0.00           0.00           0.00              8            462           0.15           1.42         145.38
     &(&fs_info->free_chunk_lock)->rlock:             0              0           0.00           0.00           0.00             33         401071           0.10          44.16       63695.32
                         btrfs-root-00-W:             0              0           0.00           0.00           0.00              1            151           0.14           2.74          51.27
                         btrfs-root-00-R:             0              0           0.00           0.00           0.00             12            122           0.10           0.86          28.17
                          btrfs-dev-00-W:             0              0           0.00           0.00           0.00              9            692           0.11           2.20         122.19
                          btrfs-dev-00-R:             0              0           0.00           0.00           0.00             29           4059           0.11           4.05        2743.64
                    &found->groups_sem-W:             0              0           0.00           0.00           0.00              3            231           0.11           0.87          74.21
                    &found->groups_sem-R:             0              0           0.00           0.00           0.00         453571        4511901           0.10         849.98    50070707.60
                  &(&cache->lock)->rlock:             0              0           0.00           0.00           0.00            341           4918           0.10           6.02        1024.68
               &(&dentry->d_lock)->rlock:             0              0           0.00           0.00           0.00           6573         517818           0.08         214.68       82202.41
                 &fs_info->cleaner_mutex:             0              0           0.00           0.00           0.00              0             14           2.30           3.90          41.02
            &(&(&tk->lock)->lock)->rlock:             0              0           0.00           0.00           0.00              0         119411           1.21         263.61     1226606.38
                       &wb->wakeup_timer:             0              0           0.00           0.00           0.00              0              8           5.49          16.13          95.09
                &(&cache->lock)->rlock#2:             0              0           0.00           0.00           0.00        1434579       10418513           0.10         288.94     2587866.38
             &fs_info->extent_commit_sem:             0              0           0.00           0.00           0.00             13             28           0.26           3.40          45.20
                      inode_sb_list_lock:             0              0           0.00           0.00           0.00             91          23713           0.10         265.00        6237.53
      &fs_info->ordered_operations_mutex:             0              0           0.00           0.00           0.00            131         602305           0.35         267.19      686362.19
                        &head_ref->mutex:             0              0           0.00           0.00           0.00              0        6997000           0.09      666049.89   246511668.91
       &(&cur_trans->commit_lock)->rlock:             0              0           0.00           0.00           0.00             13             15           0.12           0.81           6.70
      &fs_info->transaction_blocked_wait:             0              0           0.00           0.00           0.00             12             14           0.26           1.05           9.97
                         sb_internal#3-R:             0              0           0.00           0.00           0.00              0       38924512           1.57   125959147.61  8707823257.05
                    &fs_info->scrub_lock:             0              0           0.00           0.00           0.00             13             14           0.67           1.31          13.42
                &fs_info->tree_log_mutex:             0              0           0.00           0.00           0.00             13             14         519.46     2219500.97     7011712.43
                          btrfs-dev-01-W:             0              0           0.00           0.00           0.00              3            996           0.15          40.83         670.22
                          btrfs-dev-01-R:             0              0           0.00           0.00           0.00             10           6691           0.10           5.66        5698.36
                 &type->s_umount_key#3-R:             0              0           0.00           0.00           0.00              1           1459           1.11    89990038.22   369342948.46
                        btrfs-chunk-01-W:             0              0           0.00           0.00           0.00              3           1688           0.15           3.76        1228.67
                        btrfs-chunk-01-R:             0              0           0.00           0.00           0.00             10           3001           0.10          11.05        1454.24
                  &rl->wait[BLK_RW_SYNC]:             0              0           0.00           0.00           0.00            375           2592           0.12          11.38        5514.24
             &(&root->inode_lock)->rlock:             0              0           0.00           0.00           0.00              2           3084           0.12           9.59        4997.61
                              &x->wait#2:             0              0           0.00           0.00           0.00              0             28           0.12           0.64           7.23
                 &cur_trans->commit_wait:             0              0           0.00           0.00           0.00             15             20           0.12           5.03          18.24
              &fs_info->scrub_pause_wait:             0              0           0.00           0.00           0.00             12             14           0.32           0.58           5.68
                &type->i_mutex_dir_key#6:             0              0           0.00           0.00           0.00              1              2           3.34           8.36          11.70
                          sb_writers#1-R:             0              0           0.00           0.00           0.00              0       31172872           1.08    84685441.21   975642342.46
              &type->i_mutex_dir_key#6/1:             0              0           0.00           0.00           0.00              0              7           0.82         527.05         552.74
                   &root->objectid_mutex:             0              0           0.00           0.00           0.00              2           1027           0.16           3.40         872.56
                 &rl->wait[BLK_RW_ASYNC]:             0              0           0.00           0.00           0.00            747          11100           0.12          20.48       28284.98
   &(&fs_info->defrag_inodes_lock)->rloc:             0              0           0.00           0.00           0.00              1             14           0.74           1.18          13.32
                     &sig->wait_chldexit:             0              0           0.00           0.00           0.00             63           2465           0.11          10.98         445.41
              &sb->s_type->i_mutex_key#1:             0              0           0.00           0.00           0.00           1018       36130304           0.15    84685429.78   968885057.74
                     &ei->delalloc_mutex:             0              0           0.00           0.00           0.00           1014       31171840           0.82         303.76    27302302.73
   &(&fs_info->fs_roots_radix_lock)->rlo:             0              0           0.00           0.00           0.00             26             40           0.15           5.75         108.91
     &fs_info->transaction_kthread_mutex:             0              0           0.00           0.00           0.00             11             14          17.14   125959168.30   825695090.58
                            &entry->wait:             0              0           0.00           0.00           0.00        3885893        3899966           0.10         239.07      671245.36
                &child->perf_event_mutex:             0              0           0.00           0.00           0.00             39             43           0.20           3.92          74.81
                 &sb->s_type->i_lock_key:             0              0           0.00           0.00           0.00             12            124           0.14           0.68          42.13
                                ntp_lock:             0              0           0.00           0.00           0.00              0         240017           0.10           6.53       79448.48
            &(&root->orphan_lock)->rlock:             0              0           0.00           0.00           0.00             12             13           0.33           0.64           6.09
                  &root->fs_commit_mutex:             0              0           0.00           0.00           0.00             11             13           3.59           7.26          66.41
                  &nonblocking_pool.lock:             0              0           0.00           0.00           0.00              9           2303           0.15          13.48        1382.99
