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

           &(&mapping->tree_lock)->rlock:      18566480       18659103           0.11        3308.20    86335750.43       24923492      123449159           0.00         483.00    68434094.03
           -----------------------------
           &(&mapping->tree_lock)->rlock        5468533          [<ffffffff810efb66>] test_set_page_writeback+0x66/0x190
           &(&mapping->tree_lock)->rlock       13185496          [<ffffffff810f0e12>] test_clear_page_writeback+0x62/0x180
           &(&mapping->tree_lock)->rlock           2388          [<ffffffff810e64c7>] add_to_page_cache_locked+0x77/0xf0
           &(&mapping->tree_lock)->rlock           2164          [<ffffffff810efe23>] __set_page_dirty_nobuffers+0x63/0x160
           -----------------------------
           &(&mapping->tree_lock)->rlock       14474174          [<ffffffff810f0e12>] test_clear_page_writeback+0x62/0x180
           &(&mapping->tree_lock)->rlock        4180006          [<ffffffff810efb66>] test_set_page_writeback+0x66/0x190
           &(&mapping->tree_lock)->rlock           3338          [<ffffffff810efe23>] __set_page_dirty_nobuffers+0x63/0x160
           &(&mapping->tree_lock)->rlock           1375          [<ffffffff810e64c7>] add_to_page_cache_locked+0x77/0xf0

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

          &(&fs_info->trans_lock)->rlock:      13547844       14151193           0.19      103430.64 13175345582.21       19879493       74384166           0.00        1397.53   156324458.52
          ------------------------------
          &(&fs_info->trans_lock)->rlock        5998446          [<ffffffff812e2bf8>] btrfs_transaction_in_commit+0x28/0x60
          &(&fs_info->trans_lock)->rlock        6016671          [<ffffffff812e21f2>] wait_current_trans.clone.22+0x22/0xf0
          &(&fs_info->trans_lock)->rlock        2136014          [<ffffffff812e22e1>] join_transaction.clone.23+0x21/0x260
          &(&fs_info->trans_lock)->rlock             11          [<ffffffff812dc238>] transaction_kthread+0xe8/0x290
          ------------------------------
          &(&fs_info->trans_lock)->rlock        2273272          [<ffffffff812e22e1>] join_transaction.clone.23+0x21/0x260
          &(&fs_info->trans_lock)->rlock        5633531          [<ffffffff812e2bf8>] btrfs_transaction_in_commit+0x28/0x60
          &(&fs_info->trans_lock)->rlock        6244323          [<ffffffff812e21f2>] wait_current_trans.clone.22+0x22/0xf0
          &(&fs_info->trans_lock)->rlock             17          [<ffffffff812dc238>] transaction_kthread+0xe8/0x290

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

                                   key#9:       5052311        5162088           0.11         294.35    11218030.13       20551908      300576143           0.00         300.20    50230927.60
                                   -----
                                   key#9        2878566          [<ffffffff8106e641>] finish_wait+0x41/0x80
                                   key#9         491659          [<ffffffff8106e73a>] prepare_to_wait+0x2a/0x90
                                   key#9        1791865          [<ffffffff81034bb2>] __wake_up+0x32/0x70
                                   -----
                                   key#9        2654298          [<ffffffff81034bb2>] __wake_up+0x32/0x70
                                   key#9        2223135          [<ffffffff8106e73a>] prepare_to_wait+0x2a/0x90
                                   key#9         284657          [<ffffffff8106e641>] finish_wait+0x41/0x80

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

                                    #1-W:       3137983        3205190           0.10         297.87     7928070.24        6885966      111288073           0.00         339.64    86787545.69
                                    #1-R:        857293         865068           0.12         281.21     1786666.27        5392282       95193219           0.00         482.32    70489226.86
                                    ----
                                      #1        1518842          [<ffffffff813122b1>] btrfs_tree_lock+0x111/0x250
                                      #1         369861          [<ffffffff81312000>] btrfs_tree_read_lock+0xa0/0x130
                                      #1         288876          [<ffffffff81311ecc>] btrfs_clear_lock_blocking_rw+0x3c/0xd0
                                      #1         615507          [<ffffffff81311f11>] btrfs_clear_lock_blocking_rw+0x81/0xd0
                                    ----
                                      #1         980190          [<ffffffff81311ecc>] btrfs_clear_lock_blocking_rw+0x3c/0xd0
                                      #1        2198582          [<ffffffff81311f11>] btrfs_clear_lock_blocking_rw+0x81/0xd0
                                      #1         415052          [<ffffffff813122b1>] btrfs_tree_lock+0x111/0x250
                                      #1         114566          [<ffffffff81312000>] btrfs_tree_read_lock+0xa0/0x130

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

                                    #1-W:       1251840        1605358           0.10         678.07     2527466.88        2049370       19739615           0.09         297.48    32874230.54
                                    #1-R:       1497380        1500515           0.12         273.22     2905216.80        8441787       25484513           0.00         317.29    26989231.71
                                    ----
                                      #1         683829          [<ffffffff813122b1>] btrfs_tree_lock+0x111/0x250
                                      #1         128447          [<ffffffff81311ecc>] btrfs_clear_lock_blocking_rw+0x3c/0xd0
                                      #1        1372068          [<ffffffff81312000>] btrfs_tree_read_lock+0xa0/0x130
                                      #1         921529          [<ffffffff81311f11>] btrfs_clear_lock_blocking_rw+0x81/0xd0
                                    ----
                                      #1        1023028          [<ffffffff81312000>] btrfs_tree_read_lock+0xa0/0x130
                                      #1         287545          [<ffffffff813122b1>] btrfs_tree_lock+0x111/0x250
                                      #1         209099          [<ffffffff81311ecc>] btrfs_clear_lock_blocking_rw+0x3c/0xd0
                                      #1        1586201          [<ffffffff81311f11>] btrfs_clear_lock_blocking_rw+0x81/0xd0

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

                                   key#8:       1337283        1357759           0.11         278.24     2836454.47       32725038      325001647           0.00         305.62    52648300.25
                                   -----
                                   key#8         507826          [<ffffffff81034bb2>] __wake_up+0x32/0x70
                                   key#8         794095          [<ffffffff8106e641>] finish_wait+0x41/0x80
                                   key#8          55838          [<ffffffff8106e73a>] prepare_to_wait+0x2a/0x90
                                   -----
                                   key#8         383329          [<ffffffff8106e73a>] prepare_to_wait+0x2a/0x90
                                   key#8         876563          [<ffffffff81034bb2>] __wake_up+0x32/0x70
                                   key#8          97867          [<ffffffff8106e641>] finish_wait+0x41/0x80

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

   &(&cur_trans->delayed_refs.lock)->rlo:        709969         710565           0.13         279.67     1349496.56        8878683       18911573           0.13         300.63    21431430.44
   -------------------------------------
   &(&cur_trans->delayed_refs.lock)->rlo         392263          [<ffffffff812d160d>] run_clustered_refs+0x13d/0x870
   &(&cur_trans->delayed_refs.lock)->rlo          25896          [<ffffffff813203b8>] btrfs_add_delayed_tree_ref+0xb8/0x190
   &(&cur_trans->delayed_refs.lock)->rlo         281249          [<ffffffff81320548>] btrfs_add_delayed_data_ref+0xb8/0x1a0
   &(&cur_trans->delayed_refs.lock)->rlo          10924          [<ffffffff812d1da0>] btrfs_run_delayed_refs+0x60/0x220
   -------------------------------------
   &(&cur_trans->delayed_refs.lock)->rlo          40350          [<ffffffff813203b8>] btrfs_add_delayed_tree_ref+0xb8/0x190
   &(&cur_trans->delayed_refs.lock)->rlo          57973          [<ffffffff812d1da0>] btrfs_run_delayed_refs+0x60/0x220
   &(&cur_trans->delayed_refs.lock)->rlo         411630          [<ffffffff81320548>] btrfs_add_delayed_data_ref+0xb8/0x1a0
   &(&cur_trans->delayed_refs.lock)->rlo         200534          [<ffffffff812d160d>] run_clustered_refs+0x13d/0x870

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

                  &(&found->lock)->rlock:        652564         660824           0.11         717.64     2553001.77       21979124       87675124           0.00         874.53    99696558.43
                  ----------------------
                  &(&found->lock)->rlock          62124          [<ffffffff812ca0af>] block_rsv_release_bytes+0x10f/0x140
                  &(&found->lock)->rlock          86180          [<ffffffff812cb097>] reserve_metadata_bytes.clone.49+0x77/0x500
                  &(&found->lock)->rlock         100474          [<ffffffff812ce531>] update_block_group.clone.61+0x161/0x2c0
                  &(&found->lock)->rlock         160633          [<ffffffff812d02f4>] btrfs_check_data_free_space+0x94/0x230
                  ----------------------
                  &(&found->lock)->rlock         106959          [<ffffffff812cb097>] reserve_metadata_bytes.clone.49+0x77/0x500
                  &(&found->lock)->rlock          39881          [<ffffffff812ca0af>] block_rsv_release_bytes+0x10f/0x140
                  &(&found->lock)->rlock             22          [<ffffffff812cb4c5>] reserve_metadata_bytes.clone.49+0x4a5/0x500
                  &(&found->lock)->rlock         211353          [<ffffffff812ce531>] update_block_group.clone.61+0x161/0x2c0

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

                      &(&t->lock)->rlock:        608046         612490           0.11         230.89      719104.38       18114470       54663696           0.00         481.09    30216715.99
                      ------------------
                      &(&t->lock)->rlock          97909          [<ffffffff812fc6be>] btrfs_add_ordered_sum+0x2e/0x70
                      &(&t->lock)->rlock         288303          [<ffffffff812fc918>] btrfs_dec_test_ordered_pending+0x48/0x170
                      &(&t->lock)->rlock         109603          [<ffffffff812fcedd>] btrfs_lookup_ordered_extent+0x3d/0x110
                      &(&t->lock)->rlock         114227          [<ffffffff812fc472>] __btrfs_add_ordered_extent+0xf2/0x280
                      ------------------
                      &(&t->lock)->rlock         247921          [<ffffffff812fc918>] btrfs_dec_test_ordered_pending+0x48/0x170
                      &(&t->lock)->rlock          94393          [<ffffffff812fc6be>] btrfs_add_ordered_sum+0x2e/0x70
                      &(&t->lock)->rlock          92369          [<ffffffff812fcedd>] btrfs_lookup_ordered_extent+0x3d/0x110
                      &(&t->lock)->rlock         169692          [<ffffffff812fc472>] __btrfs_add_ordered_extent+0xf2/0x280

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

                                    #1-W:        102226         129017           0.11         286.85      215880.40         153665        1729232           0.09         293.28     2989454.53
                                    #1-R:        150698         152471           0.12          91.61      290047.04       12838398      140442820           0.00         341.87   138079786.06
                                    ----
                                      #1          56490          [<ffffffff813122b1>] btrfs_tree_lock+0x111/0x250
                                      #1          72527          [<ffffffff81311f11>] btrfs_clear_lock_blocking_rw+0x81/0xd0
                                      #1         132561          [<ffffffff81312000>] btrfs_tree_read_lock+0xa0/0x130
                                      #1          19910          [<ffffffff81311ecc>] btrfs_clear_lock_blocking_rw+0x3c/0xd0
                                    ----
                                      #1          24054          [<ffffffff81311ecc>] btrfs_clear_lock_blocking_rw+0x3c/0xd0
                                      #1          84473          [<ffffffff81312000>] btrfs_tree_read_lock+0xa0/0x130
                                      #1         143704          [<ffffffff81311f11>] btrfs_clear_lock_blocking_rw+0x81/0xd0
                                      #1          29257          [<ffffffff813122b1>] btrfs_tree_lock+0x111/0x250

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

           &(&delayed_root->lock)->rlock:        254310         263145           0.07         195.98     1041701.16       11337763       13147819           0.00         287.27    19776382.95
           -----------------------------
           &(&delayed_root->lock)->rlock           9387          [<ffffffff81329dda>] btrfs_async_run_delayed_node_done+0x15a/0x210
           &(&delayed_root->lock)->rlock         174532          [<ffffffff81329141>] btrfs_first_prepared_delayed_node+0x21/0x70
           &(&delayed_root->lock)->rlock          73964          [<ffffffff81328855>] __btrfs_release_delayed_node+0x65/0x210
           &(&delayed_root->lock)->rlock           4469          [<ffffffff81328900>] __btrfs_release_delayed_node+0x110/0x210
           -----------------------------
           &(&delayed_root->lock)->rlock         193685          [<ffffffff81329141>] btrfs_first_prepared_delayed_node+0x21/0x70
           &(&delayed_root->lock)->rlock          11211          [<ffffffff81329dda>] btrfs_async_run_delayed_node_done+0x15a/0x210
           &(&delayed_root->lock)->rlock           5097          [<ffffffff81328900>] __btrfs_release_delayed_node+0x110/0x210
           &(&delayed_root->lock)->rlock          52251          [<ffffffff81328855>] __btrfs_release_delayed_node+0x65/0x210

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

       &(&fs_info->delalloc_lock)->rlock:        200781         215751           0.12         536.63      921221.82       10125916       42678150           0.00        1373.00    28410616.09
       ---------------------------------
       &(&fs_info->delalloc_lock)->rlock           4404          [<ffffffff812debf8>] btrfs_mark_buffer_dirty+0xa8/0x110
       &(&fs_info->delalloc_lock)->rlock         121957          [<ffffffff812e4205>] btrfs_set_bit_hook+0x95/0x160
       &(&fs_info->delalloc_lock)->rlock           5840          [<ffffffff812db674>] btree_lock_page_hook+0xe4/0x150
       &(&fs_info->delalloc_lock)->rlock          30875          [<ffffffff812e4b8f>] btrfs_clear_bit_hook+0x1af/0x210
       ---------------------------------
       &(&fs_info->delalloc_lock)->rlock         127194          [<ffffffff812e4205>] btrfs_set_bit_hook+0x95/0x160
       &(&fs_info->delalloc_lock)->rlock          31920          [<ffffffff812ce40a>] update_block_group.clone.61+0x3a/0x2c0
       &(&fs_info->delalloc_lock)->rlock           6945          [<ffffffff812db674>] btree_lock_page_hook+0xe4/0x150
       &(&fs_info->delalloc_lock)->rlock          42650          [<ffffffff812e4b8f>] btrfs_clear_bit_hook+0x1af/0x210

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

          &(&workers->order_lock)->rlock:        136179         136690           0.10        3155.14      337003.07        1245690        1795587           0.00        3155.19     1825917.05
          ------------------------------
          &(&workers->order_lock)->rlock          56489          [<ffffffff8130c4bf>] btrfs_queue_worker+0x25f/0x330
          &(&workers->order_lock)->rlock          30263          [<ffffffff8130bca3>] run_ordered_completions+0x93/0xf0
          &(&workers->order_lock)->rlock          49942          [<ffffffff8130bc64>] run_ordered_completions+0x54/0xf0
          ------------------------------
          &(&workers->order_lock)->rlock          59846          [<ffffffff8130bc64>] run_ordered_completions+0x54/0xf0
          &(&workers->order_lock)->rlock          62348          [<ffffffff8130bca3>] run_ordered_completions+0x93/0xf0
          &(&workers->order_lock)->rlock          14500          [<ffffffff8130c4bf>] btrfs_queue_worker+0x25f/0x330

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

                        rcu_node_level_1:        118624         120092           0.13          53.27      282053.68         546667        1459945           0.00          16.27      666067.35
                        ----------------
                        rcu_node_level_1           5023          [<ffffffff810b5280>] rcu_start_gp+0x190/0x340
                        rcu_node_level_1         113902          [<ffffffff810b604a>] __rcu_process_callbacks+0x25a/0x370
                        rcu_node_level_1           1164          [<ffffffff810b5ad8>] force_quiescent_state+0x168/0x290
                        rcu_node_level_1              3          [<ffffffff810b5190>] rcu_start_gp+0xa0/0x340
                        ----------------
                        rcu_node_level_1           5025          [<ffffffff810b5190>] rcu_start_gp+0xa0/0x340
                        rcu_node_level_1         101422          [<ffffffff810b604a>] __rcu_process_callbacks+0x25a/0x370
                        rcu_node_level_1           8121          [<ffffffff810b5280>] rcu_start_gp+0x190/0x340
                        rcu_node_level_1           5524          [<ffffffff810b5ad8>] force_quiescent_state+0x168/0x290

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

                                    #1-W:         38552          48589           0.13         124.12      102847.72         117963        1526477           0.00         285.74     1821562.79
                                    #1-R:         53296          54261           0.28         110.79      135755.47       17290103      202229949           0.00         431.78   181843697.04
                                    ----
                                      #1          16061          [<ffffffff813122b1>] btrfs_tree_lock+0x111/0x250
                                      #1           6875          [<ffffffff81311ecc>] btrfs_clear_lock_blocking_rw+0x3c/0xd0
                                      #1          22699          [<ffffffff81311f11>] btrfs_clear_lock_blocking_rw+0x81/0xd0
                                      #1          34598          [<ffffffff81312000>] btrfs_tree_read_lock+0xa0/0x130
                                    ----
                                      #1          60318          [<ffffffff81311f11>] btrfs_clear_lock_blocking_rw+0x81/0xd0
                                      #1          21229          [<ffffffff81311ecc>] btrfs_clear_lock_blocking_rw+0x3c/0xd0
                                      #1           4163          [<ffffffff813122b1>] btrfs_tree_lock+0x111/0x250
                                      #1           8843          [<ffffffff81312000>] btrfs_tree_read_lock+0xa0/0x130

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

   &(&fs_info->block_group_cache_lock)->:         98207         101703           0.11          82.93       85540.64        3411587       14589035           0.11         281.49     4657519.28
   -------------------------------------
   &(&fs_info->block_group_cache_lock)->         101700          [<ffffffff812ca108>] block_group_cache_tree_search+0x28/0xd0
   &(&fs_info->block_group_cache_lock)->              3          [<ffffffff812ca497>] btrfs_add_block_group_cache+0x27/0xd0
   -------------------------------------
   &(&fs_info->block_group_cache_lock)->         101693          [<ffffffff812ca108>] block_group_cache_tree_search+0x28/0xd0
   &(&fs_info->block_group_cache_lock)->             10          [<ffffffff812ca497>] btrfs_add_block_group_cache+0x27/0xd0

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

                      &(&h->lock)->rlock:         99350         101154           0.21         272.22      301635.66         721969        1792686           0.00         286.99     3810113.45
                      ------------------
                      &(&h->lock)->rlock          16360          [<ffffffffa0004c92>] do_cciss_msix_intr+0x22/0x230 [cciss]
                      &(&h->lock)->rlock          20932          [<ffffffffa0002fb7>] cciss_softirq_done+0x1a7/0x2e0 [cciss]
                      &(&h->lock)->rlock          21505          [<ffffffffa0003861>] do_cciss_request+0x4a1/0x5f0 [cciss]
                      &(&h->lock)->rlock          14845          [<ffffffff813555d4>] __make_request+0x1f4/0x330
                      ------------------
                      &(&h->lock)->rlock          18221          [<ffffffff81354006>] blk_end_bidi_request+0x46/0x80
                      &(&h->lock)->rlock          43958          [<ffffffffa0004c92>] do_cciss_msix_intr+0x22/0x230 [cciss]
                      &(&h->lock)->rlock           8101          [<ffffffffa0002fb7>] cciss_softirq_done+0x1a7/0x2e0 [cciss]
                      &(&h->lock)->rlock           7294          [<ffffffff8135530a>] blk_flush_plug_list+0x19a/0x220

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

                                    #9-W:         42083          46818           0.17         113.37       93339.82        1123837       15544371           0.00         296.63    16610046.27
                                    #9-R:         39720          39990           0.14         275.12       64837.96         583435       12226508           0.00         591.84    12296078.58
                                    ----
                                      #9          23391          [<ffffffff813122b1>] btrfs_tree_lock+0x111/0x250
                                      #9          13368          [<ffffffff81311f11>] btrfs_clear_lock_blocking_rw+0x81/0xd0
                                      #9          15871          [<ffffffff81312000>] btrfs_tree_read_lock+0xa0/0x130
                                      #9           7676          [<ffffffff81311ecc>] btrfs_clear_lock_blocking_rw+0x3c/0xd0
                                    ----
                                      #9          13263          [<ffffffff81312000>] btrfs_tree_read_lock+0xa0/0x130
                                      #9          39320          [<ffffffff81311f11>] btrfs_clear_lock_blocking_rw+0x81/0xd0
                                      #9          15542          [<ffffffff813122b1>] btrfs_tree_lock+0x111/0x250
                                      #9          17394          [<ffffffff81311ecc>] btrfs_clear_lock_blocking_rw+0x3c/0xd0

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

                    &(&rsv->lock)->rlock:         80123          81355           0.12         260.57      148118.84       17909156       47609567           0.00         433.75    24516403.62
                    --------------------
                    &(&rsv->lock)->rlock          23297          [<ffffffff812c9fda>] block_rsv_release_bytes+0x3a/0x140
                    &(&rsv->lock)->rlock           2307          [<ffffffff812ca208>] block_rsv_use_bytes+0x38/0x80
                    &(&rsv->lock)->rlock          22210          [<ffffffff812ca285>] block_rsv_add_bytes+0x35/0x80
                    &(&rsv->lock)->rlock          32539          [<ffffffff812d0729>] btrfs_block_rsv_check+0x49/0x160
                    --------------------
                    &(&rsv->lock)->rlock          31253          [<ffffffff812ca285>] block_rsv_add_bytes+0x35/0x80
                    &(&rsv->lock)->rlock          31838          [<ffffffff812d0729>] btrfs_block_rsv_check+0x49/0x160
                    &(&rsv->lock)->rlock            442          [<ffffffff812d353c>] btrfs_free_tree_block+0x18c/0x310
                    &(&rsv->lock)->rlock          14282          [<ffffffff812c9fda>] block_rsv_release_bytes+0x3a/0x140

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

              &sb->s_type->i_mutex_key#1:         31098          72944           7.16    21454993.41  5045534649.48          55680       38395906           0.00    22620886.73 36590563070.55
              --------------------------
              &sb->s_type->i_mutex_key#1          70079          [<ffffffff812f18c0>] btrfs_file_llseek+0x40/0x370
              &sb->s_type->i_mutex_key#1           2865          [<ffffffff812f2e37>] btrfs_file_aio_write+0xe7/0x530
              --------------------------
              &sb->s_type->i_mutex_key#1          72629          [<ffffffff812f2e37>] btrfs_file_aio_write+0xe7/0x530
              &sb->s_type->i_mutex_key#1            315          [<ffffffff812f18c0>] btrfs_file_llseek+0x40/0x370

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

   &(&fs_info->ordered_extent_lock)->rlo:         51567          51717           0.17          74.33       36336.97        5912098        8376713           0.09         283.89     4322033.94
   -------------------------------------
   &(&fs_info->ordered_extent_lock)->rlo          27690          [<ffffffff812fc29d>] __btrfs_remove_ordered_extent+0x6d/0x150
   &(&fs_info->ordered_extent_lock)->rlo          22786          [<ffffffff812fc51b>] __btrfs_add_ordered_extent+0x19b/0x280
   &(&fs_info->ordered_extent_lock)->rlo           1220          [<ffffffff812fd3d1>] btrfs_run_ordered_operations+0x51/0x220
   &(&fs_info->ordered_extent_lock)->rlo             21          [<ffffffff812fcd43>] btrfs_wait_ordered_extents+0xa3/0x200
   -------------------------------------
   &(&fs_info->ordered_extent_lock)->rlo             85          [<ffffffff812fcd43>] btrfs_wait_ordered_extents+0xa3/0x200
   &(&fs_info->ordered_extent_lock)->rlo          25166          [<ffffffff812fc29d>] __btrfs_remove_ordered_extent+0x6d/0x150
   &(&fs_info->ordered_extent_lock)->rlo          25308          [<ffffffff812fc51b>] __btrfs_add_ordered_extent+0x19b/0x280
   &(&fs_info->ordered_extent_lock)->rlo              1          [<ffffffff812fccde>] btrfs_wait_ordered_extents+0x3e/0x200

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

                 &(&worker->lock)->rlock:         43681          44161           0.17          36.26       42896.18        1681611        3787660           0.00         288.49     3194607.34
                 -----------------------
                 &(&worker->lock)->rlock          18767          [<ffffffff8130c3b4>] btrfs_queue_worker+0x154/0x330
                 &(&worker->lock)->rlock          15472          [<ffffffff8130c737>] worker_loop+0x1a7/0x540
                 &(&worker->lock)->rlock           7518          [<ffffffff8130c887>] worker_loop+0x2f7/0x540
                 &(&worker->lock)->rlock           2404          [<ffffffff8130c6aa>] worker_loop+0x11a/0x540
                 -----------------------
                 &(&worker->lock)->rlock          12712          [<ffffffff8130c737>] worker_loop+0x1a7/0x540
                 &(&worker->lock)->rlock          26641          [<ffffffff8130c3b4>] btrfs_queue_worker+0x154/0x330
                 &(&worker->lock)->rlock           4096          [<ffffffff8130c887>] worker_loop+0x2f7/0x540
                 &(&worker->lock)->rlock            712          [<ffffffff8130c6aa>] worker_loop+0x11a/0x540

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

                   &(&tree->lock)->rlock:         28333          28509           0.13         222.09       63709.92        1135795      112644163           0.00        2154.11   113168443.69
                   ---------------------
                   &(&tree->lock)->rlock           7803          [<ffffffff812fec84>] clear_extent_bit+0x94/0x420
                   &(&tree->lock)->rlock           1010          [<ffffffff812fe2b9>] find_delalloc_range+0x39/0x1d0
                   &(&tree->lock)->rlock          19472          [<ffffffff812ff3b1>] set_extent_bit+0x71/0x500
                   &(&tree->lock)->rlock            224          [<ffffffff81300359>] test_range_bit+0x39/0x180
                   ---------------------
                   &(&tree->lock)->rlock          18494          [<ffffffff812fec84>] clear_extent_bit+0x94/0x420
                   &(&tree->lock)->rlock           9318          [<ffffffff812ff3b1>] set_extent_bit+0x71/0x500
                   &(&tree->lock)->rlock            553          [<ffffffff812fe2b9>] find_delalloc_range+0x39/0x1d0
                   &(&tree->lock)->rlock            144          [<ffffffff81300359>] test_range_bit+0x39/0x180

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

                &(&workers->lock)->rlock:         20367          20488           0.16          17.86       17068.23         486370        1948528           0.00         285.33     1182868.75
                ------------------------
                &(&workers->lock)->rlock           1986          [<ffffffff8130c501>] btrfs_queue_worker+0x2a1/0x330
                &(&workers->lock)->rlock           9630          [<ffffffff8130c989>] worker_loop+0x3f9/0x540
                &(&workers->lock)->rlock           8871          [<ffffffff8130c303>] btrfs_queue_worker+0xa3/0x330
                &(&workers->lock)->rlock              1          [<ffffffff8130c91f>] worker_loop+0x38f/0x540
                ------------------------
                &(&workers->lock)->rlock          10513          [<ffffffff8130c989>] worker_loop+0x3f9/0x540
                &(&workers->lock)->rlock           7941          [<ffffffff8130c303>] btrfs_queue_worker+0xa3/0x330
                &(&workers->lock)->rlock           2033          [<ffffffff8130c501>] btrfs_queue_worker+0x2a1/0x330
                &(&workers->lock)->rlock              1          [<ffffffff8130c91f>] worker_loop+0x38f/0x540

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

                                    #1-W:          6677           7781           0.14          26.39       10222.25          10332        2596848           0.09         307.44     4091819.21
                                    #1-R:         10262          10262           0.25          76.29       22065.00         246172       12874379           0.09         284.33    12953819.70
                                    ----
                                      #1           9990          [<ffffffff81312000>] btrfs_tree_read_lock+0xa0/0x130
                                      #1           5442          [<ffffffff81311f11>] btrfs_clear_lock_blocking_rw+0x81/0xd0
                                      #1           2339          [<ffffffff813122b1>] btrfs_tree_lock+0x111/0x250
                                      #1            272          [<ffffffff81311ecc>] btrfs_clear_lock_blocking_rw+0x3c/0xd0
                                    ----
                                      #1          11560          [<ffffffff81311f11>] btrfs_clear_lock_blocking_rw+0x81/0xd0
                                      #1           5089          [<ffffffff81312000>] btrfs_tree_read_lock+0xa0/0x130
                                      #1            792          [<ffffffff813122b1>] btrfs_tree_lock+0x111/0x250
                                      #1            602          [<ffffffff81311ecc>] btrfs_clear_lock_blocking_rw+0x3c/0xd0

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

                               &rq->lock:         13478          13493           0.23          85.75       73880.05          58749       16222760           0.00         296.63    18614360.14
                               ---------
                               &rq->lock           4561          [<ffffffff81035075>] double_rq_lock+0x35/0x80
                               &rq->lock           1969          [<ffffffff8162770e>] __schedule+0xbe/0x8f0
                               &rq->lock              4          [<ffffffff81034edb>] task_rq_lock+0x5b/0xb0
                               &rq->lock           6824          [<ffffffff81042f05>] try_to_wake_up+0x215/0x2d0
                               ---------
                               &rq->lock           4027          [<ffffffff81035075>] double_rq_lock+0x35/0x80
                               &rq->lock           7564          [<ffffffff8162770e>] __schedule+0xbe/0x8f0
                               &rq->lock           1776          [<ffffffff810350a2>] double_rq_lock+0x62/0x80
                               &rq->lock             29          [<ffffffff81042e7f>] try_to_wake_up+0x18f/0x2d0

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

                 &(&n->list_lock)->rlock:         12028          12331           0.21          17.42       15979.98        4171900        8194681           0.00         253.96     4419044.27
                 -----------------------
                 &(&n->list_lock)->rlock           6608          [<ffffffff8112abd3>] __slab_free+0x123/0x2c0
                 &(&n->list_lock)->rlock           5723          [<ffffffff8112a945>] get_partial_node+0x55/0x1c0
                 -----------------------
                 &(&n->list_lock)->rlock           5665          [<ffffffff8112a945>] get_partial_node+0x55/0x1c0
                 &(&n->list_lock)->rlock           6666          [<ffffffff8112abd3>] __slab_free+0x123/0x2c0

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

              &(&device->io_lock)->rlock:         10285          10647           0.10         278.37       20124.13         389090        1486556           0.00        1049.39      440389.77
              --------------------------
              &(&device->io_lock)->rlock           5126          [<ffffffff81305a9f>] schedule_bio.clone.35+0x5f/0x120
              &(&device->io_lock)->rlock           4470          [<ffffffff813051c6>] run_scheduled_bios+0xb6/0x510
              &(&device->io_lock)->rlock           1051          [<ffffffff8130554f>] run_scheduled_bios+0x43f/0x510
              --------------------------
              &(&device->io_lock)->rlock           4811          [<ffffffff813051c6>] run_scheduled_bios+0xb6/0x510
              &(&device->io_lock)->rlock           5493          [<ffffffff81305a9f>] schedule_bio.clone.35+0x5f/0x120
              &(&device->io_lock)->rlock            343          [<ffffffff8130554f>] run_scheduled_bios+0x43f/0x510

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

                                   key#8:         10092          10092           0.23          19.85       26674.05         178380         178469           0.12         232.00      440275.25
                                   -----
                                   key#8          10092          [<ffffffff81034bb2>] __wake_up+0x32/0x70
                                   -----
                                   key#8          10092          [<ffffffff81034bb2>] __wake_up+0x32/0x70

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

                                    #7-W:          7710           7786           0.28          60.92       12884.98         580410       26217091           0.00         321.97    23196122.33
                                    #7-R:          1450           1458           0.22          15.71        2148.16         174612         865408           0.09         290.08     1097120.31
                                    ----
                                      #7           3617          [<ffffffff81312154>] btrfs_try_tree_write_lock+0x44/0x90
                                      #7           1224          [<ffffffff81311f11>] btrfs_clear_lock_blocking_rw+0x81/0xd0
                                      #7           2945          [<ffffffff813122b1>] btrfs_tree_lock+0x111/0x250
                                      #7            593          [<ffffffff81312000>] btrfs_tree_read_lock+0xa0/0x130
                                    ----
                                      #7           4973          [<ffffffff81311f11>] btrfs_clear_lock_blocking_rw+0x81/0xd0
                                      #7            645          [<ffffffff81312154>] btrfs_try_tree_write_lock+0x44/0x90
                                      #7            744          [<ffffffff813122b1>] btrfs_tree_lock+0x111/0x250
                                      #7            192          [<ffffffff81312000>] btrfs_tree_read_lock+0xa0/0x130

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

                    &delayed_node->mutex:          5228           5234           6.51       96328.96    10551106.64        1140055       12389810           0.07      104995.75    48649449.74
                    --------------------
                    &delayed_node->mutex           4445          [<ffffffff8132ac6f>] btrfs_delayed_update_inode+0x4f/0x2c0
                    &delayed_node->mutex            364          [<ffffffff8132883f>] __btrfs_release_delayed_node+0x4f/0x210
                    &delayed_node->mutex            323          [<ffffffff81329503>] btrfs_insert_delayed_items+0x43/0x450
                    &delayed_node->mutex             32          [<ffffffff81328e0b>] btrfs_update_delayed_inode+0x3b/0x160
                    --------------------
                    &delayed_node->mutex           3845          [<ffffffff81328e0b>] btrfs_update_delayed_inode+0x3b/0x160
                    &delayed_node->mutex            621          [<ffffffff8132ac6f>] btrfs_delayed_update_inode+0x4f/0x2c0
                    &delayed_node->mutex            637          [<ffffffff8132883f>] __btrfs_release_delayed_node+0x4f/0x210
                    &delayed_node->mutex             28          [<ffffffff81329d24>] btrfs_async_run_delayed_node_done+0xa4/0x210

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

               &sb->s_type->i_lock_key#1:          4315           4340           0.25          16.07        3363.32        1008181       13694595           0.09         225.43     2311069.82
               -------------------------
               &sb->s_type->i_lock_key#1           1686          [<ffffffff81138d68>] inode_get_bytes+0x28/0x60
               &sb->s_type->i_lock_key#1           1057          [<ffffffff81138dce>] inode_sub_bytes+0x2e/0x90
               &sb->s_type->i_lock_key#1           1596          [<ffffffff81138e5e>] inode_add_bytes+0x2e/0xa0
               &sb->s_type->i_lock_key#1              1          [<ffffffff8114d738>] igrab+0x28/0x70
               -------------------------
               &sb->s_type->i_lock_key#1            655          [<ffffffff81138e5e>] inode_add_bytes+0x2e/0xa0
               &sb->s_type->i_lock_key#1           1346          [<ffffffff81138dce>] inode_sub_bytes+0x2e/0x90
               &sb->s_type->i_lock_key#1           2334          [<ffffffff81138d68>] inode_get_bytes+0x28/0x60
               &sb->s_type->i_lock_key#1              4          [<ffffffff8115cbc2>] writeback_single_inode+0x212/0x400

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

                                &q->lock:          3476           3814           0.22          12.82        5001.41         569924         586712           0.00         223.41      437312.77
                                --------
                                &q->lock           2589          [<ffffffff8108ae58>] generic_exec_single+0x48/0xb0
                                &q->lock           1226          [<ffffffff8108b627>] generic_smp_call_function_single_interrupt+0x57/0x120
                                --------
                                &q->lock           2216          [<ffffffff8108b627>] generic_smp_call_function_single_interrupt+0x57/0x120
                                &q->lock           1599          [<ffffffff8108ae58>] generic_exec_single+0x48/0xb0

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

                                   key#9:          2529           2850           0.28        2505.78     1568680.78           8684          11142           0.00         873.34       36313.36
                                   -----
                                   key#9           1497          [<ffffffff8106e73a>] prepare_to_wait+0x2a/0x90
                                   key#9           1353          [<ffffffff8106e641>] finish_wait+0x41/0x80
                                   -----
                                   key#9           1126          [<ffffffff8106e73a>] prepare_to_wait+0x2a/0x90
                                   key#9           1005          [<ffffffff81034bb2>] __wake_up+0x32/0x70
                                   key#9            719          [<ffffffff8106e641>] finish_wait+0x41/0x80

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

                        rcu_node_level_0:          1779           1970           0.32          10.43        4094.58          48694          84804           0.00          12.43       77011.03
                        ----------------
                        rcu_node_level_0            888          [<ffffffff810b6070>] __rcu_process_callbacks+0x280/0x370
                        rcu_node_level_0            538          [<ffffffff810b548f>] rcu_report_qs_rnp+0x5f/0x170
                        rcu_node_level_0             87          [<ffffffff810b5bb5>] force_quiescent_state+0x245/0x290
                        rcu_node_level_0             15          [<ffffffff810b5190>] rcu_start_gp+0xa0/0x340
                        ----------------
                        rcu_node_level_0           1228          [<ffffffff810b6070>] __rcu_process_callbacks+0x280/0x370
                        rcu_node_level_0            514          [<ffffffff810b548f>] rcu_report_qs_rnp+0x5f/0x170
                        rcu_node_level_0            111          [<ffffffff810b5bb5>] force_quiescent_state+0x245/0x290
                        rcu_node_level_0             47          [<ffffffff810b5280>] rcu_start_gp+0x190/0x340

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

                             &rq->lock/1:          1629           1629           0.39          91.38       17530.87          13567          36540           0.00         180.39      145391.87
                             -----------
                             &rq->lock/1           1623          [<ffffffff810350a2>] double_rq_lock+0x62/0x80
                             &rq->lock/1              6          [<ffffffff81035082>] double_rq_lock+0x42/0x80
                             -----------
                             &rq->lock/1            432          [<ffffffff81035075>] double_rq_lock+0x35/0x80
                             &rq->lock/1            822          [<ffffffff810350a2>] double_rq_lock+0x62/0x80
                             &rq->lock/1            340          [<ffffffff8162770e>] __schedule+0xbe/0x8f0
                             &rq->lock/1             12          [<ffffffff81042e7f>] try_to_wake_up+0x18f/0x2d0

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

               &(&zone->lru_lock)->rlock:          1376           1414           0.26          38.32        6332.54         782672        3236268           0.00         288.31     3874951.45
               -------------------------
               &(&zone->lru_lock)->rlock           1403          [<ffffffff810f2572>] pagevec_lru_move_fn+0xb2/0x120
               &(&zone->lru_lock)->rlock              6          [<ffffffff810f891e>] putback_lru_pages.clone.55+0x4e/0x280
               &(&zone->lru_lock)->rlock              5          [<ffffffff810f9347>] shrink_zone+0x137/0x520
               -------------------------
               &(&zone->lru_lock)->rlock           1407          [<ffffffff810f2572>] pagevec_lru_move_fn+0xb2/0x120
               &(&zone->lru_lock)->rlock              7          [<ffffffff810f8c11>] shrink_inactive_list+0xc1/0x3e0

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

                                    #8-W:          1278           1317           0.43          69.72        2855.29         434143       15045134           0.00         313.81    13823319.42
                                    #8-R:             0              0           0.00           0.00           0.00            626           8241           0.14          10.95        3619.79
                                    ----
                                      #8            564          [<ffffffff813122b1>] btrfs_tree_lock+0x111/0x250
                                      #8            302          [<ffffffff81311f11>] btrfs_clear_lock_blocking_rw+0x81/0xd0
                                      #8            451          [<ffffffff81312154>] btrfs_try_tree_write_lock+0x44/0x90
                                    ----
                                      #8           1052          [<ffffffff81311f11>] btrfs_clear_lock_blocking_rw+0x81/0xd0
                                      #8            137          [<ffffffff813122b1>] btrfs_tree_lock+0x111/0x250
                                      #8            128          [<ffffffff81312154>] btrfs_try_tree_write_lock+0x44/0x90

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

                                   key#8:          1102           1237           0.34        2580.36      724817.08           3615           4622           0.00         843.12       19255.47
                                   -----
                                   key#8            641          [<ffffffff8106e73a>] prepare_to_wait+0x2a/0x90
                                   key#8            596          [<ffffffff8106e641>] finish_wait+0x41/0x80
                                   -----
                                   key#8            524          [<ffffffff8106e73a>] prepare_to_wait+0x2a/0x90
                                   key#8            429          [<ffffffff81034bb2>] __wake_up+0x32/0x70
                                   key#8            284          [<ffffffff8106e641>] finish_wait+0x41/0x80

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

                                   key#4:          1037           1045           0.26          10.51         837.86        1709933        3318765           0.00         287.38     1421624.22
                                   -----
                                   key#4           1045          [<ffffffff81385520>] __percpu_counter_add+0x50/0x80
                                   -----
                                   key#4           1045          [<ffffffff81385520>] __percpu_counter_add+0x50/0x80

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

                           &tree->lock-W:           530            538           0.38          16.33         945.44         440667       16632795           0.12        2156.57     8974303.94
                           &tree->lock-R:           338            340           0.42          14.58         770.64         483546       68351079           0.00        1203.00    12419120.13
                           -------------
                             &tree->lock             32          [<ffffffff8130690f>] __btrfs_map_block+0xff/0x870
                             &tree->lock              2          [<ffffffff813088ab>] __btrfs_alloc_chunk+0x47b/0x750
                             &tree->lock            136          [<ffffffff812e54ad>] get_extent_allocation_hint+0x3d/0xd0
                             &tree->lock            163          [<ffffffff812f330e>] btrfs_drop_extent_cache+0x8e/0x3a0
                           -------------
                             &tree->lock             31          [<ffffffff813088ab>] __btrfs_alloc_chunk+0x47b/0x750
                             &tree->lock              3          [<ffffffff8130690f>] __btrfs_map_block+0xff/0x870
                             &tree->lock            610          [<ffffffff812f50b5>] unpin_extent_cache+0x35/0xc0
                             &tree->lock            115          [<ffffffff812f330e>] btrfs_drop_extent_cache+0x8e/0x3a0

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

                                    #1-W:           850            850           0.36          10.56        1515.36         198293      135225562           0.00         581.76    27965093.99
                                    #1-R:             0              0           0.00           0.00           0.00              1           1725           0.14          73.34         326.14
                                    ----
                                      #1            106          [<ffffffff813122b1>] btrfs_tree_lock+0x111/0x250
                                      #1            744          [<ffffffff81312154>] btrfs_try_tree_write_lock+0x44/0x90
                                    ----
                                      #1            840          [<ffffffff81311f11>] btrfs_clear_lock_blocking_rw+0x81/0xd0
                                      #1             10          [<ffffffff81312154>] btrfs_try_tree_write_lock+0x44/0x90

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

         &(&cluster->refill_lock)->rlock:           605            605           0.59          12.35        1017.68         252986         411342           0.58         220.15      445389.72
         -------------------------------
         &(&cluster->refill_lock)->rlock            605          [<ffffffff812d2858>] find_free_extent.clone.64+0x2e8/0xb10
         -------------------------------
         &(&cluster->refill_lock)->rlock            605          [<ffffffff812d2858>] find_free_extent.clone.64+0x2e8/0xb10

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

                                    #1-W:           226            250           0.51          70.90         475.35          81380        2342781           0.10         289.17     2504202.77
                                    #1-R:           334            335           0.45          15.98        1043.64         241103       12543719           0.13         305.00    11689393.45
                                    ----
                                      #1            263          [<ffffffff81312000>] btrfs_tree_read_lock+0xa0/0x130
                                      #1            161          [<ffffffff81311f11>] btrfs_clear_lock_blocking_rw+0x81/0xd0
                                      #1             76          [<ffffffff813122b1>] btrfs_tree_lock+0x111/0x250
                                      #1              6          [<ffffffff81311ecc>] btrfs_clear_lock_blocking_rw+0x3c/0xd0
                                    ----
                                      #1            381          [<ffffffff81311f11>] btrfs_clear_lock_blocking_rw+0x81/0xd0
                                      #1            114          [<ffffffff81312000>] btrfs_tree_read_lock+0xa0/0x130
                                      #1             29          [<ffffffff81311ecc>] btrfs_clear_lock_blocking_rw+0x3c/0xd0
                                      #1             22          [<ffffffff813122b1>] btrfs_tree_lock+0x111/0x250

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

                             &rq->lock#2:           568            569           0.28          53.83        3449.62           4802         365998           0.00         256.24      479614.53
                             -----------
                             &rq->lock#2            314          [<ffffffff81035075>] double_rq_lock+0x35/0x80
                             &rq->lock#2            137          [<ffffffff8162770e>] __schedule+0xbe/0x8f0
                             &rq->lock#2             22          [<ffffffff81042e7f>] try_to_wake_up+0x18f/0x2d0
                             &rq->lock#2             89          [<ffffffff81042f05>] try_to_wake_up+0x215/0x2d0
                             -----------
                             &rq->lock#2            161          [<ffffffff8162770e>] __schedule+0xbe/0x8f0
                             &rq->lock#2            371          [<ffffffff81035075>] double_rq_lock+0x35/0x80
                             &rq->lock#2             18          [<ffffffff810350a2>] double_rq_lock+0x62/0x80
                             &rq->lock#2              2          [<ffffffff81035095>] double_rq_lock+0x55/0x80

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

                             &rq->lock#3:           429            430           0.36          38.72        2440.71           2511        1148285           0.00         282.76     1016274.07
                             -----------
                             &rq->lock#3              1          [<ffffffff81034edb>] task_rq_lock+0x5b/0xb0
                             &rq->lock#3            210          [<ffffffff81035075>] double_rq_lock+0x35/0x80
                             &rq->lock#3             69          [<ffffffff8162770e>] __schedule+0xbe/0x8f0
                             &rq->lock#3            143          [<ffffffff81042f05>] try_to_wake_up+0x215/0x2d0
                             -----------
                             &rq->lock#3              1          [<ffffffff81627ee4>] __schedule+0x894/0x8f0
                             &rq->lock#3            236          [<ffffffff81035075>] double_rq_lock+0x35/0x80
                             &rq->lock#3            178          [<ffffffff8162770e>] __schedule+0xbe/0x8f0
                             &rq->lock#3              9          [<ffffffff810350a2>] double_rq_lock+0x62/0x80

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

                                   key#3:           242            230           0.36           6.23         282.46          16385          16594           0.00          15.94       16914.01
                                   -----
                                   key#3            242          [<ffffffff81385520>] __percpu_counter_add+0x50/0x80
                                   -----
                                   key#3            242          [<ffffffff81385520>] __percpu_counter_add+0x50/0x80

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

                   &(&zone->lock)->rlock:           211            211           0.29          54.41        1477.48         329661        1575702           0.00         247.31     2459116.97
                   ---------------------
                   &(&zone->lock)->rlock             11          [<ffffffff810ed2c8>] get_page_from_freelist+0x428/0x770
                   &(&zone->lock)->rlock             72          [<ffffffff810ee983>] __free_pages_ok+0xb3/0x510
                   &(&zone->lock)->rlock            128          [<ffffffff810ed5a9>] get_page_from_freelist+0x709/0x770
                   ---------------------
                   &(&zone->lock)->rlock              3          [<ffffffff810eddb4>] free_pcppages_bulk+0x34/0x430
                   &(&zone->lock)->rlock            117          [<ffffffff810ed5a9>] get_page_from_freelist+0x709/0x770
                   &(&zone->lock)->rlock             43          [<ffffffff810ed2c8>] get_page_from_freelist+0x428/0x770
                   &(&zone->lock)->rlock             48          [<ffffffff810ee983>] __free_pages_ok+0xb3/0x510

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

                &(&cluster->lock)->rlock:           206            209           0.31          18.17         195.75         256406         828575           0.11         218.67      306690.76
                ------------------------
                &(&cluster->lock)->rlock            171          [<ffffffff812d2673>] find_free_extent.clone.64+0x103/0xb10
                &(&cluster->lock)->rlock             37          [<ffffffff8131c04c>] btrfs_alloc_from_cluster+0x3c/0x230
                &(&cluster->lock)->rlock              1          [<ffffffff8131acf1>] __btrfs_add_free_space+0xf1/0x400
                ------------------------
                &(&cluster->lock)->rlock            127          [<ffffffff8131c04c>] btrfs_alloc_from_cluster+0x3c/0x230
                &(&cluster->lock)->rlock             80          [<ffffffff812d2673>] find_free_extent.clone.64+0x103/0xb10
                &(&cluster->lock)->rlock              2          [<ffffffff8131c2a7>] btrfs_find_space_cluster+0x67/0x210

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

                &(&cache->lock)->rlock#2:           174            175           0.31           2.82         161.43         582303        9333761           0.11         310.02     2579475.33
                ------------------------
                &(&cache->lock)->rlock#2             84          [<ffffffff812d24da>] btrfs_update_reserved_bytes+0x9a/0x130
                &(&cache->lock)->rlock#2             74          [<ffffffff812ce542>] update_block_group.clone.61+0x172/0x2c0
                &(&cache->lock)->rlock#2             17          [<ffffffff812d350f>] btrfs_free_tree_block+0x15f/0x310
                ------------------------
                &(&cache->lock)->rlock#2             96          [<ffffffff812ce542>] update_block_group.clone.61+0x172/0x2c0
                &(&cache->lock)->rlock#2             69          [<ffffffff812d24da>] btrfs_update_reserved_bytes+0x9a/0x130
                &(&cache->lock)->rlock#2             10          [<ffffffff812d350f>] btrfs_free_tree_block+0x15f/0x310

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

                   &(&base->lock)->rlock:           172            172           0.41           5.10         198.26          46868        6135164           0.00         280.27     3286381.40
                   ---------------------
                   &(&base->lock)->rlock             39          [<ffffffff8105a9e7>] run_timer_softirq+0x47/0x3d0
                   &(&base->lock)->rlock            110          [<ffffffff8105a11b>] lock_timer_base.clone.20+0x3b/0x70
                   &(&base->lock)->rlock             23          [<ffffffff8105af9f>] add_timer_on+0x5f/0x110
                   ---------------------
                   &(&base->lock)->rlock             39          [<ffffffff8105af9f>] add_timer_on+0x5f/0x110
                   &(&base->lock)->rlock            109          [<ffffffff8105a11b>] lock_timer_base.clone.20+0x3b/0x70
                   &(&base->lock)->rlock             24          [<ffffffff8105a9e7>] run_timer_softirq+0x47/0x3d0

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

               &(&ctl->tree_lock)->rlock:           139            139           0.32           8.36         124.35         255855      227435342           0.00         287.88    27870783.12
               -------------------------
               &(&ctl->tree_lock)->rlock             35          [<ffffffff812d2819>] find_free_extent.clone.64+0x2a9/0xb10
               &(&ctl->tree_lock)->rlock             85          [<ffffffff8131c1b4>] btrfs_alloc_from_cluster+0x1a4/0x230
               &(&ctl->tree_lock)->rlock             14          [<ffffffff8131ac4d>] __btrfs_add_free_space+0x4d/0x400
               &(&ctl->tree_lock)->rlock              5          [<ffffffff8131bdaa>] btrfs_find_space_for_alloc+0x3a/0x1f0
               -------------------------
               &(&ctl->tree_lock)->rlock             85          [<ffffffff812d2819>] find_free_extent.clone.64+0x2a9/0xb10
               &(&ctl->tree_lock)->rlock             16          [<ffffffff8131ac4d>] __btrfs_add_free_space+0x4d/0x400
               &(&ctl->tree_lock)->rlock             25          [<ffffffff8131c1b4>] btrfs_alloc_from_cluster+0x1a4/0x230
               &(&ctl->tree_lock)->rlock             13          [<ffffffff8131bdaa>] btrfs_find_space_for_alloc+0x3a/0x1f0

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

                                    #3-W:           134            134           0.49           6.94         249.28         878859       10762523           0.00        1017.37     8699970.40
                                    #3-R:             0              0           0.00           0.00           0.00              4             60           0.14           0.64          14.41
                                    ----
                                      #3            133          [<ffffffff81312154>] btrfs_try_tree_write_lock+0x44/0x90
                                      #3              1          [<ffffffff813122b1>] btrfs_tree_lock+0x111/0x250
                                    ----
                                      #3            134          [<ffffffff81311f11>] btrfs_clear_lock_blocking_rw+0x81/0xd0

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

                   &fs_info->chunk_mutex:           117            125         196.26      101210.37     3575772.52           1661          49592           0.15       61023.64     4650299.07
                   ---------------------
                   &fs_info->chunk_mutex            124          [<ffffffff812cffeb>] do_chunk_alloc+0x16b/0x370
                   &fs_info->chunk_mutex              1          [<ffffffff812d0020>] do_chunk_alloc+0x1a0/0x370
                   ---------------------
                   &fs_info->chunk_mutex            124          [<ffffffff812d0020>] do_chunk_alloc+0x1a0/0x370
                   &fs_info->chunk_mutex              1          [<ffffffff812cffeb>] do_chunk_alloc+0x16b/0x370

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

            &(&tree->buffer_lock)->rlock:            98             98           0.28           4.69          97.37         259512         469436           0.13         113.17      241216.14
            ----------------------------
            &(&tree->buffer_lock)->rlock             65          [<ffffffff813027d4>] alloc_extent_buffer+0x3c4/0x4e0
            &(&tree->buffer_lock)->rlock             33          [<ffffffff81304ec0>] try_release_extent_buffer+0x40/0xe0
            ----------------------------
            &(&tree->buffer_lock)->rlock             40          [<ffffffff813027d4>] alloc_extent_buffer+0x3c4/0x4e0
            &(&tree->buffer_lock)->rlock             58          [<ffffffff81304ec0>] try_release_extent_buffer+0x40/0xe0

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

            &(&bp->indirect_lock)->rlock:            75             76           0.67           4.75         152.01           1755           3640           0.13          64.31        4630.62
            ----------------------------
            &(&bp->indirect_lock)->rlock             48          [<ffffffffa01939ce>] bnx2_reg_rd_ind+0x2e/0x60 [bnx2]
            &(&bp->indirect_lock)->rlock             28          [<ffffffffa01963f8>] bnx2_send_heart_beat+0x28/0x70 [bnx2]
            ----------------------------
            &(&bp->indirect_lock)->rlock             45          [<ffffffffa01939ce>] bnx2_reg_rd_ind+0x2e/0x60 [bnx2]
            &(&bp->indirect_lock)->rlock             31          [<ffffffffa01963f8>] bnx2_send_heart_beat+0x28/0x70 [bnx2]

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

                                pci_lock:            67             67           1.12          14.31         326.89           4239          16337           1.29         189.04       43110.44
                                --------
                                pci_lock             67          [<ffffffff8138ad22>] pci_bus_read_config_word+0x42/0x90
                                --------
                                pci_lock             67          [<ffffffff8138ad22>] pci_bus_read_config_word+0x42/0x90

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

   &(&fs_info->delayed_iput_lock)->rlock:            51             54           0.21           9.69         121.32          74465         270686           0.10          69.71      195098.45
   -------------------------------------
   &(&fs_info->delayed_iput_lock)->rlock             54          [<ffffffff812e8d42>] btrfs_run_delayed_iputs+0x42/0x130
   -------------------------------------
   &(&fs_info->delayed_iput_lock)->rlock             54          [<ffffffff812e8d42>] btrfs_run_delayed_iputs+0x42/0x130

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

                                    #5-W:            50             50           0.46           6.48         111.58         508950       19223423           0.00        1483.26    11226409.32
                                    #5-R:             0              0           0.00           0.00           0.00             90           5301           0.13           4.40        3019.68
                                    ----
                                      #5              3          [<ffffffff813122b1>] btrfs_tree_lock+0x111/0x250
                                      #5             47          [<ffffffff81312154>] btrfs_try_tree_write_lock+0x44/0x90
                                    ----
                                      #5             50          [<ffffffff81311f11>] btrfs_clear_lock_blocking_rw+0x81/0xd0

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

                             &rq->lock#5:            31             31           0.56           6.45          61.44            358         171374           0.08         204.44      198014.42
                             -----------
                             &rq->lock#5              1          [<ffffffff81035075>] double_rq_lock+0x35/0x80
                             &rq->lock#5              3          [<ffffffff8162770e>] __schedule+0xbe/0x8f0
                             &rq->lock#5             27          [<ffffffff81042f05>] try_to_wake_up+0x215/0x2d0
                             -----------
                             &rq->lock#5              4          [<ffffffff810350a2>] double_rq_lock+0x62/0x80
                             &rq->lock#5             27          [<ffffffff8162770e>] __schedule+0xbe/0x8f0

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

                     &(&ei->lock)->rlock:            26             28           0.42          10.57          54.85         487320       65158282           0.00         287.51     8749705.84
                     -------------------
                     &(&ei->lock)->rlock              7          [<ffffffff812ca34b>] drop_outstanding_extent+0x2b/0x70
                     &(&ei->lock)->rlock             19          [<ffffffff812d0b5a>] btrfs_delalloc_reserve_metadata+0x6a/0x150
                     &(&ei->lock)->rlock              1          [<ffffffff812e4152>] btrfs_merge_extent_hook+0x32/0x50
                     &(&ei->lock)->rlock              1          [<ffffffff812e4102>] btrfs_split_extent_hook+0x32/0x50
                     -------------------
                     &(&ei->lock)->rlock              6          [<ffffffff812d0b5a>] btrfs_delalloc_reserve_metadata+0x6a/0x150
                     &(&ei->lock)->rlock             22          [<ffffffff812ca34b>] drop_outstanding_extent+0x2b/0x70

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

               &(&dentry->d_lock)->rlock:            20             20           0.33           7.35          30.19          37160         455795           0.09         121.97      105037.53
               -------------------------
               &(&dentry->d_lock)->rlock              4          [<ffffffff8114c731>] __d_lookup+0xe1/0x1a0
               &(&dentry->d_lock)->rlock             12          [<ffffffff8114b822>] dput+0x32/0x1d0
               &(&dentry->d_lock)->rlock              4          [<ffffffff811412ce>] follow_managed+0x16e/0x2e0
               -------------------------
               &(&dentry->d_lock)->rlock              2          [<ffffffff8114c731>] __d_lookup+0xe1/0x1a0
               &(&dentry->d_lock)->rlock              5          [<ffffffff8113fab1>] unlazy_walk+0x71/0x250
               &(&dentry->d_lock)->rlock             10          [<ffffffff8114b822>] dput+0x32/0x1d0
               &(&dentry->d_lock)->rlock              3          [<ffffffff8113fa26>] path_get+0x36/0x50

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

                           &rq->lock#2/1:            18             18           0.98          14.54         126.28            312            746           0.09          47.31        4253.87
                           -------------
                           &rq->lock#2/1             17          [<ffffffff810350a2>] double_rq_lock+0x62/0x80
                           &rq->lock#2/1              1          [<ffffffff81035082>] double_rq_lock+0x42/0x80
                           -------------
                           &rq->lock#2/1              4          [<ffffffff8162770e>] __schedule+0xbe/0x8f0
                           &rq->lock#2/1             13          [<ffffffff81035075>] double_rq_lock+0x35/0x80
                           &rq->lock#2/1              1          [<ffffffff810440c5>] scheduler_tick+0x45/0x290

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

                   &fs_info->reloc_mutex:            11             11          18.57       14056.63       27502.51             74             75           0.87       21782.28      252912.81
                   ---------------------
                   &fs_info->reloc_mutex             11          [<ffffffff812e2569>] btrfs_record_root_in_trans+0x49/0x90
                   ---------------------
                   &fs_info->reloc_mutex             11          [<ffffffff812e2569>] btrfs_record_root_in_trans+0x49/0x90

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

                                   key#2:             7              7           0.87          14.19          40.58          82439         110086           0.12          37.91      126028.70
                                   -----
                                   key#2              7          [<ffffffff81034bb2>] __wake_up+0x32/0x70
                                   -----
                                   key#2              6          [<ffffffff81034bb2>] __wake_up+0x32/0x70
                                   key#2              1          [<ffffffff8106e641>] finish_wait+0x41/0x80

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

                           &rq->lock#4/1:             6              6           1.67           6.87          21.42            321            936           0.09          21.38        2689.62
                           -------------
                           &rq->lock#4/1              6          [<ffffffff810350a2>] double_rq_lock+0x62/0x80
                           -------------
                           &rq->lock#4/1              4          [<ffffffff810350a2>] double_rq_lock+0x62/0x80
                           &rq->lock#4/1              2          [<ffffffff81035075>] double_rq_lock+0x35/0x80

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

                         tasklist_lock-W:             6              6           0.89           7.06          21.31            227            883           0.13          15.31        1986.40
                         tasklist_lock-R:             0              0           0.00           0.00           0.00             92            997           0.16          16.54        2720.55
                         ---------------
                           tasklist_lock              2          [<ffffffff8104e944>] do_exit+0x1f4/0x880
                           tasklist_lock              3          [<ffffffff8104d17a>] release_task+0x7a/0x4a0
                           tasklist_lock              1          [<ffffffff8104ebe8>] do_exit+0x498/0x880
                         ---------------
                           tasklist_lock              3          [<ffffffff8104ebe8>] do_exit+0x498/0x880
                           tasklist_lock              3          [<ffffffff8104d17a>] release_task+0x7a/0x4a0

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

                                   key#5:             6              6           0.41           1.05           4.97         288421         673853           0.00          12.09      179091.72
                                   -----
                                   key#5              6          [<ffffffff81385520>] __percpu_counter_add+0x50/0x80
                                   -----
                                   key#5              6          [<ffffffff81385520>] __percpu_counter_add+0x50/0x80

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

                     &(&fs->lock)->rlock:             5              5           1.27           5.28          11.92           4673          14436           0.13          74.02       37805.03
                     -------------------
                     &(&fs->lock)->rlock              5          [<ffffffff8113fbe0>] unlazy_walk+0x1a0/0x250
                     -------------------
                     &(&fs->lock)->rlock              5          [<ffffffff8113fbe0>] unlazy_walk+0x1a0/0x250

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

                        &input_pool.lock:             5              5           0.73           3.77           8.17            807         329677           0.00           7.61      110276.02
                        ----------------
                        &input_pool.lock              5          [<ffffffff81418c4e>] mix_pool_bytes_extract+0x5e/0x180
                        ----------------
                        &input_pool.lock              5          [<ffffffff81418c4e>] mix_pool_bytes_extract+0x5e/0x180

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

                           &rq->lock#3/1:             4              4           1.50          38.47          74.77             61            177           0.09          19.06        1134.12
                           -------------
                           &rq->lock#3/1              4          [<ffffffff810350a2>] double_rq_lock+0x62/0x80
                           -------------
                           &rq->lock#3/1              4          [<ffffffff81035075>] double_rq_lock+0x35/0x80

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

              &(&newf->file_lock)->rlock:             2              2           1.19           1.40           2.59           4674          79488           0.12          45.38       19678.49
              --------------------------
              &(&newf->file_lock)->rlock              2          [<ffffffff81150cbb>] alloc_fd+0x3b/0x150
              --------------------------
              &(&newf->file_lock)->rlock              2          [<ffffffff81132227>] fd_install+0x47/0x80

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

                    &found->groups_sem-W:             0              1       30213.72       30213.72       30213.72           1465           2800           0.12          14.08        1575.89
                    &found->groups_sem-R:             0              1       24342.67       24342.67       24342.67         251811        4561755           0.11         321.56    71751956.65
                    --------------------
                      &found->groups_sem              1          [<ffffffff812d60bf>] btrfs_make_block_group+0x24f/0x360
                      &found->groups_sem              1          [<ffffffff812d2d59>] find_free_extent.clone.64+0x7e9/0xb10
                    --------------------
                      &found->groups_sem              2          [<ffffffff812d2d59>] find_free_extent.clone.64+0x7e9/0xb10

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

                         &mm->mmap_sem-W:             0              0           0.00           0.00           0.00             22          33362           0.12       30049.84      125854.31
                         &mm->mmap_sem-R:             1              1          27.19          27.19          27.19            205          22744           0.19        5684.31       47938.40
                         ---------------
                           &mm->mmap_sem              1          [<ffffffff8162ebbf>] do_page_fault+0x1ef/0x4e0
                         ---------------
                           &mm->mmap_sem              1          [<ffffffff8110fdef>] sys_mmap_pgoff+0x5f/0x240

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

              &sb->s_type->i_mutex_key#7:             1              1          21.79          21.79          21.79             30            217           0.20          14.98         172.02
              --------------------------
              &sb->s_type->i_mutex_key#7              1          [<ffffffff8113d78a>] pipe_write+0x7a/0x5a0
              --------------------------
              &sb->s_type->i_mutex_key#7              1          [<ffffffff8113dd3e>] pipe_read+0x8e/0x4d0

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

        &(&journal->j_state_lock)->rlock:             1              1          19.65          19.65          19.65             38            844           0.12          22.18         679.35
        --------------------------------
        &(&journal->j_state_lock)->rlock              1          [<ffffffff81214502>] start_this_handle+0x72/0x450
        --------------------------------
        &(&journal->j_state_lock)->rlock              1          [<ffffffff81216bf3>] journal_commit_transaction+0x93/0x12e0

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

                                   key#2:             1              1           0.70           0.70           0.70            130           3849           0.12          12.33         616.34
                                   -----
                                   key#2              1          [<ffffffff8106e7c1>] remove_wait_queue+0x21/0x70
                                   -----
                                   key#2              1          [<ffffffff81034b17>] __wake_up_sync_key+0x37/0x80

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

                 &sb->s_type->i_lock_key:             0              0           0.00           0.00           0.00              1             92           0.16           0.64          30.78
                         inode_hash_lock:             0              0           0.00           0.00           0.00             57          24818           0.12          16.26       13324.32
                             sysfs_mutex:             0              0           0.00           0.00           0.00              3         175207           0.16         255.69       77670.26
                    &irq_desc_lock_class:             0              0           0.00           0.00           0.00            208         661098           0.00         232.32      444588.58
                                 sb_lock:             0              0           0.00           0.00           0.00            311           3715           0.12          15.51        2696.01
                                pgd_lock:             0              0           0.00           0.00           0.00             32             43           0.15           4.99          53.30
                 &rcu_bh_state.onofflock:             0              0           0.00           0.00           0.00              0            186           3.48          19.88        1552.26
                     file_systems_lock-R:             0              0           0.00           0.00           0.00              2              2           7.72          17.46          25.18
                                events-R:             0              0           0.00           0.00           0.00              0          43679           3.18      123194.47      648573.94
                                   key#4:             0              0           0.00           0.00           0.00              7             14           0.16           0.80           5.38
                             sysctl_lock:             0              0           0.00           0.00           0.00              4             29           0.12           1.08           6.73
                        &namespace_sem-R:             0              0           0.00           0.00           0.00              2              9           0.21         152.83         349.86
                         vfsmount_lock-R:             0              0           0.00           0.00           0.00              0         137140           0.09         190.88      117354.86
               __vsyscall_gtod_data.lock:             0              0           0.00           0.00           0.00              0          90747           0.00           6.20       48673.09
              &rcu_sched_state.onofflock:             0              0           0.00           0.00           0.00           5547           9277           2.44          38.62       99957.77
                &(&stopper->lock)->rlock:             0              0           0.00           0.00           0.00            186            300           0.13          22.32         628.21
                     tick_broadcast_lock:             0              0           0.00           0.00           0.00              0              3           0.69           1.44           2.95
                           big_tty_mutex:             0              0           0.00           0.00           0.00              2              8           0.13          11.62          31.99
                   &(&gcwq->lock)->rlock:             0              0           0.00           0.00           0.00             85         133964           0.15         207.65      490762.51
                  random_write_wait.lock:             0              0           0.00           0.00           0.00             12            206           0.12           1.10          31.52
                                     key:             0              0           0.00           0.00           0.00             50             74           0.13           9.49         157.80
                     kthread_create_lock:             0              0           0.00           0.00           0.00             30             57           0.12           1.31          25.92
                           watchdog_lock:             0              0           0.00           0.00           0.00           1815           1815           3.78          27.10       14303.57
             &(&sighand->siglock)->rlock:             0              0           0.00           0.00           0.00            261           1286           0.12          13.34        1676.72
                &(&p->alloc_lock)->rlock:             0              0           0.00           0.00           0.00            231           1424           0.11          12.57        1573.35
                             pidmap_lock:             0              0           0.00           0.00           0.00            222            443           0.18           4.05         370.71
                           vmlist_lock-R:             0              0           0.00           0.00           0.00              2              2           5.15          19.67          24.82
                             &p->pi_lock:             0              0           0.00           0.00           0.00        1842090        6247594           0.00         289.84    10938220.67
                         pci_config_lock:             0              0           0.00           0.00           0.00           4239          16337           1.05         188.70       21518.54
                &rcu_sched_state.fqslock:             0              0           0.00           0.00           0.00              0           9413           0.10          66.17      134300.90
              &sb->s_type->i_mutex_key#4:             0              0           0.00           0.00           0.00              5             27           3.65           8.34         150.50
                               balancing:             0              0           0.00           0.00           0.00              0        1005730           0.00         268.58     1415670.42
                         &cpu_base->lock:             0              0           0.00           0.00           0.00            154        8716987           0.00         261.55    29909691.88
               &sb->s_type->i_lock_key#9:             0              0           0.00           0.00           0.00              8             48           0.09           1.83          18.76
                               bdev_lock:             0              0           0.00           0.00           0.00              2              2           6.58          20.51          27.09
                               tty_mutex:             0              0           0.00           0.00           0.00              2              6           0.82           7.82          18.04
                              &tbl->lock:             0              0           0.00           0.00           0.00              0           1106           0.12          21.72        1097.89
                                  &timer:             0              0           0.00           0.00           0.00              0         856193           0.00          57.46       76981.29
                          files_lglock-R:             0              0           0.00           0.00           0.00              0          52758           0.09          36.49       22293.15
                  &mapping->i_mmap_mutex:             0              0           0.00           0.00           0.00            185            900           0.16           3.93         467.77
                   &fsnotify_mark_srcu-R:             0              0           0.00           0.00           0.00              0       32305172           0.00         286.03     2891689.03
                &child->perf_event_mutex:             0              0           0.00           0.00           0.00            215            219           0.21           2.98         191.43
                                   key#1:             0              0           0.00           0.00           0.00             85           1875           0.12          10.92         305.21
                        &ei->xattr_sem-R:             0              0           0.00           0.00           0.00              9             10           0.18           0.60           3.50
                                bdi_lock:             0              0           0.00           0.00           0.00              0              5          11.98          24.25          88.41
                          &port_lock_key:             0              0           0.00           0.00           0.00              4             13           0.13          24.08          84.59
                         rcu_read_lock-R:             0              0           0.00           0.00           0.00              0      535572225           0.00        3720.10   120604590.70
                      nl_table_wait.lock:             0              0           0.00           0.00           0.00              0             76           0.12           1.37          18.43
                         nl_table_lock-R:             0              0           0.00           0.00           0.00              0             76           0.12           1.36          19.64
                        proc_subdir_lock:             0              0           0.00           0.00           0.00              8           7928           0.13          11.28        8026.12
               &sb->s_type->i_lock_key#8:             0              0           0.00           0.00           0.00              1            102           0.09           1.26          26.52
               &sb->s_type->i_lock_key#4:             0              0           0.00           0.00           0.00              2          84141           0.09         180.26       15333.69
                            &port->mutex:             0              0           0.00           0.00           0.00              3              5           0.48           4.00           9.01
                         &watchdog_timer:             0              0           0.00           0.00           0.00              0           1815           4.60          31.94       16697.64
                          &hcd->rh_timer:             0              0           0.00           0.00           0.00              0           3629           7.69          32.42       46000.92
                   &(&uhci->lock)->rlock:             0              0           0.00           0.00           0.00              0           3629           6.89          20.61       33556.87
         &(&ent->pde_unload_lock)->rlock:             0              0           0.00           0.00           0.00              4          21268           0.12          11.21        3016.68
                           &ndev->lock-R:             0              0           0.00           0.00           0.00              0             36           0.24           1.44          20.79
                 &(&mc->mca_lock)->rlock:             0              0           0.00           0.00           0.00              0             12           0.20           0.27           2.83
                      rcu_read_lock_bh-R:             0              0           0.00           0.00           0.00              0            838           0.08           4.18         558.47
                    addrconf_verify_lock:             0              0           0.00           0.00           0.00              0             12           2.30           3.30          32.19
                               cdev_lock:             0              0           0.00           0.00           0.00              4              4           1.03           1.49           5.10
   &(&dev->mode_config.output_poll_work):             0              0           0.00           0.00           0.00              0             91           3.90          38.22        1028.73
                     &tty->termios_mutex:             0              0           0.00           0.00           0.00              1              1           0.66           0.66           0.66
                                   key#1:             0              0           0.00           0.00           0.00              2              7           0.12           0.52           1.48
                          tty_files_lock:             0              0           0.00           0.00           0.00              2              8           0.13           0.85           3.04
                     tty_ldisc_idle.lock:             0              0           0.00           0.00           0.00              1              2           0.18           0.32           0.50
                   &(&port->lock)->rlock:             0              0           0.00           0.00           0.00              2              4           0.15           0.47           1.33
                      &(&i->lock)->rlock:             0              0           0.00           0.00           0.00              0              4          16.98          28.45          91.03
                  &sig->cred_guard_mutex:             0              0           0.00           0.00           0.00              8              9         199.29        6765.42       20717.40
          &(&mm->page_table_lock)->rlock:             0              0           0.00           0.00           0.00            273          41909           0.12         192.21       18344.63
                        &anon_vma->mutex:             0              0           0.00           0.00           0.00            367          66534           0.16          19.27       14041.05
                             rename_lock:             0              0           0.00           0.00           0.00              6             82           0.38          76.47         178.68
                         &mm->mmap_sem/1:             0              0           0.00           0.00           0.00              0              8          45.95         942.89        2696.96
        &(&mm->page_table_lock)->rlock/1:             0              0           0.00           0.00           0.00              0            205           0.15         129.95        1810.51
                                   key#2:             0              0           0.00           0.00           0.00             18            424           0.11           0.77          61.39
           &flush_state[i].tlbstate_lock:             0              0           0.00           0.00           0.00              7            260           1.55         101.80        2217.68
                          &(work)->timer:             0              0           0.00           0.00           0.00              0          43558           0.68         222.49      468812.26
                         (&(work)->work):             0              0           0.00           0.00           0.00              0          43558           2.49      123193.76      609053.07
                 &type->s_umount_key#1-R:             0              0           0.00           0.00           0.00              4              4           0.57           0.71           2.55
              &sb->s_type->i_mutex_key#6:             0              0           0.00           0.00           0.00             10           7931           3.40       13044.85       57525.66
                         dcache_lru_lock:             0              0           0.00           0.00           0.00              7           1037           0.13           4.46         572.76
             &(&dentry->d_lock)->rlock/1:             0              0           0.00           0.00           0.00           4486          10590           0.12           4.18        5921.14
                                &p->lock:             0              0           0.00           0.00           0.00              0           5058           0.19         647.18      102145.54
                 &type->s_umount_key#1-R:             0              0           0.00           0.00           0.00              4              4           0.47           0.58           2.17
                 &type->s_umount_key#1-R:             0              0           0.00           0.00           0.00              4              4           0.51           0.59           2.22
            &sb->s_type->i_mutex_key#7/1:             0              0           0.00           0.00           0.00              2              2           1.50           3.52           5.02
                 &tty->atomic_write_lock:             0              0           0.00           0.00           0.00              0              1          10.12          10.12          10.12
                         unix_table_lock:             0              0           0.00           0.00           0.00              6             28           0.13           0.93          10.69
                            &u->readlock:             0              0           0.00           0.00           0.00              3              6           3.15          19.01          69.47
              &sb->s_type->i_mutex_key#8:             0              0           0.00           0.00           0.00              1          13234           0.17         108.43       16755.90
                  sysfs_open_dirent_lock:             0              0           0.00           0.00           0.00              0          52776           0.12           1.57        7062.25
                          &buffer->mutex:             0              0           0.00           0.00           0.00              0          17592           1.14         229.21       51969.51
                               swap_lock:             0              0           0.00           0.00           0.00            182           8366           0.12           8.28        1356.25
                               uts_sem-R:             0              0           0.00           0.00           0.00              2              2           1.34           1.69           3.03
                                   key#2:             0              0           0.00           0.00           0.00              8             16           0.12          11.63          30.62
                      &(&u->lock)->rlock:             0              0           0.00           0.00           0.00             13             32           0.12           3.32          37.54
                &(&wb->list_lock)->rlock:             0              0           0.00           0.00           0.00           1940           7808           0.12         293.71       20902.85
                    &(&f->f_lock)->rlock:             0              0           0.00           0.00           0.00              0              4           0.87           1.55           4.59
      &af_unix_sk_receive_queue_lock_key:             0              0           0.00           0.00           0.00             14             36           0.12           1.06          12.33
                                   key#2:             0              0           0.00           0.00           0.00              4             18           0.12           0.56           4.18
        &(&mapping->private_lock)->rlock:             0              0           0.00           0.00           0.00             59            190           0.12           7.94         121.30
                   random_read_wait.lock:             0              0           0.00           0.00           0.00            114           1984           0.12           2.70         707.15
                                   key#3:             0              0           0.00           0.00           0.00              2              2           0.50           0.58           1.08
               &sb->s_type->i_lock_key#1:             0              0           0.00           0.00           0.00            422            908           0.10           3.10         386.12
                &fs_info->tree_log_mutex:             0              0           0.00           0.00           0.00             16             31        4401.93      888819.99    10020544.14
                                   key#3:             0              0           0.00           0.00           0.00              9             22           0.12           6.03          17.62
                                   key#3:             0              0           0.00           0.00           0.00             13             18           0.13          10.37          34.50
         &(&journal->j_list_lock)->rlock:             0              0           0.00           0.00           0.00             23            602           0.13          15.76         297.91
                                   key#3:             0              0           0.00           0.00           0.00              6              8           0.15           0.90           3.87
                           clock-AF_UNIX:             0              0           0.00           0.00           0.00              1             12           0.12           0.68           2.86
              &sb->s_type->i_mutex_key#1:             0              0           0.00           0.00           0.00             31            395           0.16        8041.29       34823.88
                       &tty->ldisc_mutex:             0              0           0.00           0.00           0.00              2              2           0.77           1.04           1.81
                             fasync_lock:             0              0           0.00           0.00           0.00              4              4           0.43           0.81           2.37
                                    #1-W:             0              0           0.00           0.00           0.00             17          16530           0.15          56.35       13996.74
                                    #1-R:             0              0           0.00           0.00           0.00           1581         436830           0.14         243.03      626145.97
         &(&futex_queues[i].lock)->rlock:             0              0           0.00           0.00           0.00            314            608           0.14          31.32        1539.50
               &sb->s_type->i_lock_key#3:             0              0           0.00           0.00           0.00              6             15           0.13           1.47          11.70
                            init_fs.lock:             0              0           0.00           0.00           0.00             16             32           0.12           2.32          10.52
   &(&(kretprobe_table_locks[i].lock))->:             0              0           0.00           0.00           0.00            203            219           0.12           3.14         170.60
                          file_lock_lock:             0              0           0.00           0.00           0.00              3              6           0.79           3.06          11.03
         &(&sbi->s_next_gen_lock)->rlock:             0              0           0.00           0.00           0.00              2              2           0.57           0.59           1.15
           &(&bgl->locks[i].lock)->rlock:             0              0           0.00           0.00           0.00              7             10           0.15           0.72           4.14
                     edac_pci_ctls_mutex:             0              0           0.00           0.00           0.00             85            886           0.62          30.14        5417.59
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              4              4           0.51           3.02           4.68
                    &(&ifa->lock)->rlock:             0              0           0.00           0.00           0.00              0             24           0.13           0.27           4.25
                         &tb->tb6_lock-W:             0              0           0.00           0.00           0.00              0             84           0.24          56.31         618.35
                         &tb->tb6_lock-R:             0              0           0.00           0.00           0.00              0             36           0.28           2.46          36.01
                      fib6_walker_lock-W:             0              0           0.00           0.00           0.00              0            120           0.12           1.03          23.03
                      fib6_walker_lock-R:             0              0           0.00           0.00           0.00              0             24           0.14           1.40          11.36
                           slock-AF_INET:             0              0           0.00           0.00           0.00              0              9           0.15           0.94           3.59
                           clock-AF_INET:             0              0           0.00           0.00           0.00              0              9           0.13           0.80           3.01
           &sig->threadgroup_fork_lock-R:             0              0           0.00           0.00           0.00              4            195           3.99          30.68         931.09
       &(&futex_queues[i].lock)->rlock/1:             0              0           0.00           0.00           0.00              5              5           0.15          18.84          19.84
          &(&table->hash[i].lock)->rlock:             0              0           0.00           0.00           0.00              0            722           0.12           0.77         171.43
             &(&rt_hash_locks[i])->rlock:             0              0           0.00           0.00           0.00              0            147           0.36           1.52         126.37
               &(&sem->wait_lock)->rlock:             0              0           0.00           0.00           0.00              5              6           0.36          13.54          39.93
                            s_active#3-R:             0              0           0.00           0.00           0.00              0           8640           0.55          14.91        7236.65
                            s_active#4-R:             0              0           0.00           0.00           0.00              0          17280           0.50         226.23       15673.79
                            s_active#4-R:             0              0           0.00           0.00           0.00              0           8460           0.34          78.46        7000.52
                            events_nrt-R:             0              0           0.00           0.00           0.00              0             91        2103.27       20651.89      239267.14
                     &ei->truncate_mutex:             0              0           0.00           0.00           0.00              6              8           0.79         157.58         271.40
                &journal->j_commit_timer:             0              0           0.00           0.00           0.00              0             13           0.09           9.30          41.68
                                   key#5:             0              0           0.00           0.00           0.00              4              6           0.19           6.48          14.11
                 &dev->mode_config.mutex:             0              0           0.00           0.00           0.00              0             91        2100.17       20647.95      238857.60
             &dev->mode_config.idr_mutex:             0              0           0.00           0.00           0.00              0             91           0.72           5.18         122.10
                                   key#4:             0              0           0.00           0.00           0.00             16            371           0.12           0.90          61.65
      &(&intf->waiting_msgs_lock)->rlock:             0              0           0.00           0.00           0.00              0            907           0.12           2.24         333.62
                             &ipmi_timer:             0              0           0.00           0.00           0.00              0            907           3.62          40.88        8211.84
               &(&intf->seq_lock)->rlock:             0              0           0.00           0.00           0.00              0            907           0.40           8.58        1624.70
                    &(&pci->work)->timer:             0              0           0.00           0.00           0.00              0            886           1.93          87.22        9153.86
                           edac-poller-R:             0              0           0.00           0.00           0.00              0            886           1.25          39.15        7980.00
                   (&(&pci->work)->work):             0              0           0.00           0.00           0.00              0            886           0.97          35.64        7374.55
                 &(&bp->phy_lock)->rlock:             0              0           0.00           0.00           0.00              0            925           0.14          72.20        4299.17
          &(&dev->tx_global_lock)->rlock:             0              0           0.00           0.00           0.00              0            181           5.31          19.70        2012.98
                           _xmit_ETHER#2:             0              0           0.00           0.00           0.00              0           1448           0.12           1.14         463.15
                 &(&list->lock)->rlock#2:             0              0           0.00           0.00           0.00              0           1448           0.11           5.06         623.55
                             &vha->timer:             0              0           0.00           0.00           0.00              0          16337           1.80         194.88       86547.07
                   &rcu_bh_state.fqslock:             0              0           0.00           0.00           0.00              0            173           0.11          39.35        2530.43
                              &n->lock-W:             0              0           0.00           0.00           0.00              0            297           0.14           2.57         164.50
                              &n->lock-R:             0              0           0.00           0.00           0.00              0             28           0.20           1.43          12.36
                            s_active#5-R:             0              0           0.00           0.00           0.00              0            396           0.32           5.21         375.57
                            s_active#5-R:             0              0           0.00           0.00           0.00              0            204           0.36           4.32         158.09
                            s_active#5-R:             0              0           0.00           0.00           0.00              0            204           0.54           4.74         174.86
                              &bp->timer:             0              0           0.00           0.00           0.00              0            908           5.08          45.42        9545.35
                 &(&list->lock)->rlock#4:             0              0           0.00           0.00           0.00              0             28           0.12           0.38           4.31
                          icmp6_dst_lock:             0              0           0.00           0.00           0.00              0             30           0.27           1.49          23.90
                       &wb->wakeup_timer:             0              0           0.00           0.00           0.00              0              4           7.52          18.73          44.15
                 &(&bdi->wb_lock)->rlock:             0              0           0.00           0.00           0.00             72            377           0.12          22.84         463.18
          &(&(&n->ha_lock)->lock)->rlock:             0              0           0.00           0.00           0.00              0              9           0.15           0.16           1.37
                    &dev->watchdog_timer:             0              0           0.00           0.00           0.00              0            181           5.85          22.11        2202.85
                          tty_ldisc_lock:             0              0           0.00           0.00           0.00              1              2           0.51           0.79           1.30
   (&(&dev->mode_config.output_poll_work:             0              0           0.00           0.00           0.00              0             91        2102.89       20651.05      239172.38
                 &(&tbl->gc_work)->timer:             0              0           0.00           0.00           0.00              0            121           4.30          35.21        1278.77
                (&(&tbl->gc_work)->work):             0              0           0.00           0.00           0.00              0            121           6.15          41.65        1503.42
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              4              8           0.56         196.32         468.72
                                   key#5:             0              0           0.00           0.00           0.00              4              6           0.14           0.79           2.58
                &net->ipv6.ip6_fib_timer:             0              0           0.00           0.00           0.00              0             30          14.28          87.41         925.21
                            fib6_gc_lock:             0              0           0.00           0.00           0.00              0             30          13.42          83.76         859.87
                                   key#6:             0              0           0.00           0.00           0.00         220420         333040           0.00          21.05      131432.43
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              8              8           0.28           0.84           3.84
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              4              4           0.56           0.58           2.28
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00             13             16           0.19           0.62           5.98
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              4              4           0.52           0.57           2.22
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              4              4           0.36           0.68           2.11
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              4              4           0.55           0.68           2.45
                 &type->s_umount_key#3-R:             0              0           0.00           0.00           0.00              4              4           0.52           0.57           2.16
                 &type->s_umount_key#3-R:             0              0           0.00           0.00           0.00              4              4           0.52           0.58           2.22
                                   key#6:             0              0           0.00           0.00           0.00             66             87           0.15          12.63         233.56
                 &type->s_umount_key#3-R:             0              0           0.00           0.00           0.00              3              4           0.46           0.64           2.18
       &(&journal->j_revoke_lock)->rlock:             0              0           0.00           0.00           0.00              2              8           0.29           0.85           4.21
                                   key#6:             0              0           0.00           0.00           0.00            620            676           0.16          11.00        2603.57
                    &in_dev->mr_gq_timer:             0              0           0.00           0.00           0.00              0             15           0.99           6.30          41.33
                     &sbi->s_orphan_lock:             0              0           0.00           0.00           0.00              3              4           3.08           8.21          17.79
                              jbd_handle:             0              0           0.00           0.00           0.00              0            371           2.16         378.27        2844.24
                                       t:             0              0           0.00           0.00           0.00              0            144           2.56          42.32        1558.06
                        &f->secret_timer:             0              0           0.00           0.00           0.00              0              4           9.38          29.69          93.81
                                &f->lock:             0              0           0.00           0.00           0.00              0              4           7.96          24.86          79.61
                          &fc->rnd_timer:             0              0           0.00           0.00           0.00              0              2          32.60          36.19          68.79
                              &rif_timer:             0              0           0.00           0.00           0.00              0              3           1.57           4.60           8.32
                                rif_lock:             0              0           0.00           0.00           0.00              0              3           0.41           0.57           1.52
                     &(&pl->lock)->rlock:             0              0           0.00           0.00           0.00            415            421           0.12           2.44         137.21
                   &(&pl->lock)->rlock#2:             0              0           0.00           0.00           0.00              3              3           1.00          22.84          25.53
                 swapper_space.tree_lock:             0              0           0.00           0.00           0.00            167            743           0.14          14.85         816.50
                             mmlist_lock:             0              0           0.00           0.00           0.00              8              8           0.53           2.86           7.76
                         swap_token_lock:             0              0           0.00           0.00           0.00              0             32           0.09           1.01           6.50
   &(&transaction->t_handle_lock)->rlock:             0              0           0.00           0.00           0.00             16            750           0.12           2.16         253.27
               &s->s_dquot.dqonoff_mutex:             0              0           0.00           0.00           0.00              4              6           0.21           3.82          10.26
          &fs_devices->device_list_mutex:             0              0           0.00           0.00           0.00             19             31         128.87       24655.93       80455.94
                           binfmt_lock-R:             0              0           0.00           0.00           0.00              8             19           0.15           0.91           8.17
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              4              8          31.01        1428.11        3043.45
                                   key#8:             0              0           0.00           0.00           0.00        4744952       14382533           0.00         279.99     2012925.35
                                      -W:             0              0           0.00           0.00           0.00           1851          17203           0.12          49.14        6832.65
                                      -R:             0              0           0.00           0.00           0.00           1588           5669           0.14          43.07        2997.19
                                    #2-W:             0              0           0.00           0.00           0.00              6            346           0.15          14.31         166.76
                                    #2-R:             0              0           0.00           0.00           0.00             16            148           0.14           1.28          37.49
                  &(&cache->lock)->rlock:             0              0           0.00           0.00           0.00            715          20556           0.11          73.04        7061.12
       &fs_info->durable_block_rsv_mutex:             0              0           0.00           0.00           0.00             16             31           3.59          25.81         236.96
                 &fs_info->cleaner_mutex:             0              0           0.00           0.00           0.00              0             31           2.45        7003.85       13556.54
     &fs_info->transaction_kthread_mutex:             0              0           0.00           0.00           0.00             15             31         113.46     2676216.42    18836969.83
   &(&fs_info->fs_roots_radix_lock)->rlo:             0              0           0.00           0.00           0.00             62             93           0.14          10.45         304.65
                       &tty->output_lock:             0              0           0.00           0.00           0.00              1              2           1.46           5.52           6.98
   &(&fs_info->defrag_inodes_lock)->rloc:             0              0           0.00           0.00           0.00              4             31           0.53           5.39          42.50
             &(&root->inode_lock)->rlock:             0              0           0.00           0.00           0.00              2           3084           0.13           7.49        4294.23
                 &type->s_umount_key#3-R:             0              0           0.00           0.00           0.00             22           1755           2.45   173512795.84   884507618.02
                              rtnl_mutex:             0              0           0.00           0.00           0.00              0              9           1.59           5.00          28.98
      &fs_info->ordered_operations_mutex:             0              0           0.00           0.00           0.00             48          83781           0.40          95.12      100960.04
                              xtime_lock:             0              0           0.00           0.00           0.00              0          90747           0.00          42.28      597578.49
       &(&cur_trans->commit_lock)->rlock:             0              0           0.00           0.00           0.00             31             31           0.29           2.56          18.24
                                   key#8:             0              0           0.00           0.00           0.00             18             31           0.14           3.21          15.05
                    &fs_info->scrub_lock:             0              0           0.00           0.00           0.00             16             31           0.20           1.08          16.49
              &sb->s_type->i_mutex_key#1:             0              0           0.00           0.00           0.00              6              8           0.44           4.75          18.19
           &fs_info->extent_commit_sem-W:             0              0           0.00           0.00           0.00             16             63           0.20           1.55          40.17
           &fs_info->extent_commit_sem-R:             0              0           0.00           0.00           0.00              1              1           7.56           7.56           7.56
                     &caching_ctl->mutex:             0              0           0.00           0.00           0.00              1              1          12.06          12.06          12.06
                                   key#8:             0              0           0.00           0.00           0.00              2              4           0.14           5.14           6.29
                        &head_ref->mutex:             0              0           0.00           0.00           0.00              0        4875053           0.10      161059.87   112886693.83
            &sb->s_type->i_mutex_key#1/1:             0              0           0.00           0.00           0.00              1              2          11.36          12.68          24.04
                                   key#9:             0              0           0.00           0.00           0.00             31             31           0.19           0.55          11.98
                                   key#9:             0              0           0.00           0.00           0.00             16             31           0.12           2.27           9.43
                                    #6-W:             0              0           0.00           0.00           0.00            126          11604           0.11          55.27        2502.57
                                    #6-R:             0              0           0.00           0.00           0.00          84768         424914           0.11         241.05      361311.39
            &sb->s_type->i_mutex_key#1/1:             0              0           0.00           0.00           0.00              0              8           0.93         123.16         173.76
                   &root->objectid_mutex:             0              0           0.00           0.00           0.00              2           1027           0.18           5.13         471.65
        &(&root->accounting_lock)->rlock:             0              0           0.00           0.00           0.00         247836         352907           0.12          80.83      212543.19
                 &type->s_umount_key#1-R:             0              0           0.00           0.00           0.00              4              4           0.56           0.80           2.50
                                    #1-W:             0              0           0.00           0.00           0.00             17          24846           0.15          50.11       24110.62
                                    #1-R:             0              0           0.00           0.00           0.00           1581          27377           0.14          59.38       22715.06
                  &root->fs_commit_mutex:             0              0           0.00           0.00           0.00             15             31           0.91           2.63          50.15
                    &(&u->lock)->rlock/1:             0              0           0.00           0.00           0.00              1              4           0.12           0.84           2.03
                                   key#9:             0              0           0.00           0.00           0.00        4143664        4148840           0.12         227.63      663828.98
                      &sync_supers_timer:             0              0           0.00           0.00           0.00              0            151           4.91          26.29        1775.63
                             &eb->lock-W:             0              0           0.00           0.00           0.00            189           2166           0.14           1.95         463.50
                             &eb->lock-R:             0              0           0.00           0.00           0.00            223           1138           0.13          12.95         926.28
                                   key#3:             0              0           0.00           0.00           0.00            644            778           0.13          11.87        2422.84
                      inode_sb_list_lock:             0              0           0.00           0.00           0.00             67          19135           0.12          98.35        5429.89
                  &nonblocking_pool.lock:             0              0           0.00           0.00           0.00             12         393859           0.12           4.10      105627.29
