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

                   &(&tree->lock)->rlock:      23496437       23972267           0.10         410.19    44624567.71       88319412      382049853           0.00         420.96   178650991.59
                   ---------------------
                   &(&tree->lock)->rlock         362408          [<ffffffff81300359>] test_range_bit+0x39/0x180
                   &(&tree->lock)->rlock        7568949          [<ffffffff812ff3b1>] set_extent_bit+0x71/0x500
                   &(&tree->lock)->rlock        7383468          [<ffffffff8130064d>] end_bio_extent_readpage+0x15d/0x2f0
                   &(&tree->lock)->rlock        7950931          [<ffffffff812fec84>] clear_extent_bit+0x94/0x420
                   ---------------------
                   &(&tree->lock)->rlock        7176258          [<ffffffff8130064d>] end_bio_extent_readpage+0x15d/0x2f0
                   &(&tree->lock)->rlock        5619210          [<ffffffff812ff3b1>] set_extent_bit+0x71/0x500
                   &(&tree->lock)->rlock         225985          [<ffffffff81300359>] test_range_bit+0x39/0x180
                   &(&tree->lock)->rlock       10365993          [<ffffffff812fec84>] clear_extent_bit+0x94/0x420

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

                                   key#2:        220200         220498           0.12         224.41      353804.45       25595830       26144533           0.00         303.56    50547210.09
                                   -----
                                   key#2         138993          [<ffffffff81034bb2>] __wake_up+0x32/0x70
                                   key#2          68467          [<ffffffff8106e641>] finish_wait+0x41/0x80
                                   key#2          13038          [<ffffffff8106e6aa>] prepare_to_wait_exclusive+0x2a/0x90
                                   -----
                                   key#2          29149          [<ffffffff8106e6aa>] prepare_to_wait_exclusive+0x2a/0x90
                                   key#2         185033          [<ffffffff81034bb2>] __wake_up+0x32/0x70
                                   key#2           6316          [<ffffffff8106e641>] finish_wait+0x41/0x80

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

                      &(&h->lock)->rlock:         94244          95346           0.27         293.55      550094.77        1295251        2364574           0.00         429.08     6629402.03
                      ------------------
                      &(&h->lock)->rlock          17278          [<ffffffff81354006>] blk_end_bidi_request+0x46/0x80
                      &(&h->lock)->rlock           8390          [<ffffffffa0004c92>] do_cciss_msix_intr+0x22/0x230 [cciss]
                      &(&h->lock)->rlock          35274          [<ffffffffa0003861>] do_cciss_request+0x4a1/0x5f0 [cciss]
                      &(&h->lock)->rlock           2146          [<ffffffff8135530a>] blk_flush_plug_list+0x19a/0x220
                      ------------------
                      &(&h->lock)->rlock          17082          [<ffffffffa0004c92>] do_cciss_msix_intr+0x22/0x230 [cciss]
                      &(&h->lock)->rlock          31165          [<ffffffffa0003861>] do_cciss_request+0x4a1/0x5f0 [cciss]
                      &(&h->lock)->rlock              3          [<ffffffff813556c9>] __make_request+0x2e9/0x330
                      &(&h->lock)->rlock           7389          [<ffffffff813555d4>] __make_request+0x1f4/0x330

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

                 &(&n->list_lock)->rlock:         28774          28880           0.21          19.40       25189.58        3548537        6366253           0.00         277.18     3047359.95
                 -----------------------
                 &(&n->list_lock)->rlock          16048          [<ffffffff8112abd3>] __slab_free+0x123/0x2c0
                 &(&n->list_lock)->rlock          12832          [<ffffffff8112a945>] get_partial_node+0x55/0x1c0
                 -----------------------
                 &(&n->list_lock)->rlock          19538          [<ffffffff8112a945>] get_partial_node+0x55/0x1c0
                 &(&n->list_lock)->rlock           9342          [<ffffffff8112abd3>] __slab_free+0x123/0x2c0

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

               &(&zone->lru_lock)->rlock:         12025          12044           0.18         239.10       13377.99         913063        5242001           0.00         294.74     3069476.28
               -------------------------
               &(&zone->lru_lock)->rlock          12026          [<ffffffff810f2572>] pagevec_lru_move_fn+0xb2/0x120
               &(&zone->lru_lock)->rlock             17          [<ffffffff810f234c>] release_pages+0x10c/0x280
               &(&zone->lru_lock)->rlock              1          [<ffffffff810f891e>] putback_lru_pages.clone.55+0x4e/0x280
               -------------------------
               &(&zone->lru_lock)->rlock          12043          [<ffffffff810f2572>] pagevec_lru_move_fn+0xb2/0x120
               &(&zone->lru_lock)->rlock              1          [<ffffffff810f234c>] release_pages+0x10c/0x280

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

                        rcu_node_level_1:          7556           7650           0.42          46.25       32235.78          30442          81257           0.08          14.36       85102.11
                        ----------------
                        rcu_node_level_1           7443          [<ffffffff810b604a>] __rcu_process_callbacks+0x25a/0x370
                        rcu_node_level_1            142          [<ffffffff810b5280>] rcu_start_gp+0x190/0x340
                        rcu_node_level_1             65          [<ffffffff810b5ad8>] force_quiescent_state+0x168/0x290
                        ----------------
                        rcu_node_level_1           6966          [<ffffffff810b604a>] __rcu_process_callbacks+0x25a/0x370
                        rcu_node_level_1            165          [<ffffffff810b5ad8>] force_quiescent_state+0x168/0x290
                        rcu_node_level_1            142          [<ffffffff810b5190>] rcu_start_gp+0xa0/0x340
                        rcu_node_level_1            377          [<ffffffff810b5280>] rcu_start_gp+0x190/0x340

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

                                &q->lock:          5264           5556           0.29          29.58        7252.17         817358         827379           0.00         248.06      686101.64
                                --------
                                &q->lock           4108          [<ffffffff8108ae58>] generic_exec_single+0x48/0xb0
                                &q->lock           1448          [<ffffffff8108b627>] generic_smp_call_function_single_interrupt+0x57/0x120
                                --------
                                &q->lock           3612          [<ffffffff8108b627>] generic_smp_call_function_single_interrupt+0x57/0x120
                                &q->lock           1944          [<ffffffff8108ae58>] generic_exec_single+0x48/0xb0

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

                               &rq->lock:          4865           5055           0.25          47.58       33680.25          20314       60621677           0.00         298.03    39070583.73
                               ---------
                               &rq->lock            418          [<ffffffff8162770e>] __schedule+0xbe/0x8f0
                               &rq->lock           1113          [<ffffffff81042f05>] try_to_wake_up+0x215/0x2d0
                               &rq->lock           2750          [<ffffffff81035075>] double_rq_lock+0x35/0x80
                               &rq->lock              6          [<ffffffff81034edb>] task_rq_lock+0x5b/0xb0
                               ---------
                               &rq->lock           2759          [<ffffffff81035075>] double_rq_lock+0x35/0x80
                               &rq->lock           1196          [<ffffffff8162770e>] __schedule+0xbe/0x8f0
                               &rq->lock              5          [<ffffffff81627ee4>] __schedule+0x894/0x8f0
                               &rq->lock              2          [<ffffffff81034edb>] task_rq_lock+0x5b/0xb0

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

                 &(&worker->lock)->rlock:          4237           4238           0.23          31.74       15167.52         479571        1186675           0.00         267.73     1281132.54
                 -----------------------
                 &(&worker->lock)->rlock           3703          [<ffffffff8130c3b4>] btrfs_queue_worker+0x154/0x330
                 &(&worker->lock)->rlock            419          [<ffffffff8130c737>] worker_loop+0x1a7/0x540
                 &(&worker->lock)->rlock             88          [<ffffffff8130c887>] worker_loop+0x2f7/0x540
                 &(&worker->lock)->rlock             28          [<ffffffff8130c6aa>] worker_loop+0x11a/0x540
                 -----------------------
                 &(&worker->lock)->rlock             64          [<ffffffff8130c887>] worker_loop+0x2f7/0x540
                 &(&worker->lock)->rlock           3740          [<ffffffff8130c3b4>] btrfs_queue_worker+0x154/0x330
                 &(&worker->lock)->rlock            419          [<ffffffff8130c737>] worker_loop+0x1a7/0x540
                 &(&worker->lock)->rlock             15          [<ffffffff8130c6aa>] worker_loop+0x11a/0x540

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

                        &input_pool.lock:          2960           2961           0.33           7.54        4219.91         197532         458326           0.12         237.41      518531.25
                        ----------------
                        &input_pool.lock           2961          [<ffffffff81418c4e>] mix_pool_bytes_extract+0x5e/0x180
                        ----------------
                        &input_pool.lock           2961          [<ffffffff81418c4e>] mix_pool_bytes_extract+0x5e/0x180

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

           &(&mapping->tree_lock)->rlock:          2012           2203           0.28          11.45        1951.37          36413       54649640           0.00         295.57     8567776.70
           -----------------------------
           &(&mapping->tree_lock)->rlock           2172          [<ffffffff810e64c7>] add_to_page_cache_locked+0x77/0xf0
           &(&mapping->tree_lock)->rlock             31          [<ffffffff810f0e12>] test_clear_page_writeback+0x62/0x180
           -----------------------------
           &(&mapping->tree_lock)->rlock           2172          [<ffffffff810e64c7>] add_to_page_cache_locked+0x77/0xf0
           &(&mapping->tree_lock)->rlock             31          [<ffffffff810f0e12>] test_clear_page_writeback+0x62/0x180

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

                   &(&zone->lock)->rlock:          1696           1696           0.25           8.56        2258.48         139921        1965883           0.13         301.45     3535926.82
                   ---------------------
                   &(&zone->lock)->rlock            133          [<ffffffff810ee983>] __free_pages_ok+0xb3/0x510
                   &(&zone->lock)->rlock           1204          [<ffffffff810ed2c8>] get_page_from_freelist+0x428/0x770
                   &(&zone->lock)->rlock            356          [<ffffffff810ed5a9>] get_page_from_freelist+0x709/0x770
                   &(&zone->lock)->rlock              3          [<ffffffff810eddb4>] free_pcppages_bulk+0x34/0x430
                   ---------------------
                   &(&zone->lock)->rlock             49          [<ffffffff810ee983>] __free_pages_ok+0xb3/0x510
                   &(&zone->lock)->rlock           1493          [<ffffffff810ed2c8>] get_page_from_freelist+0x428/0x770
                   &(&zone->lock)->rlock            147          [<ffffffff810ed5a9>] get_page_from_freelist+0x709/0x770
                   &(&zone->lock)->rlock              7          [<ffffffff810eddb4>] free_pcppages_bulk+0x34/0x430

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

                &(&workers->lock)->rlock:          1249           1250           0.25          10.94        1132.72         283416         672400           0.00         237.99      305085.21
                ------------------------
                &(&workers->lock)->rlock           1043          [<ffffffff8130c303>] btrfs_queue_worker+0xa3/0x330
                &(&workers->lock)->rlock             97          [<ffffffff8130c501>] btrfs_queue_worker+0x2a1/0x330
                &(&workers->lock)->rlock            110          [<ffffffff8130c989>] worker_loop+0x3f9/0x540
                ------------------------
                &(&workers->lock)->rlock           1041          [<ffffffff8130c303>] btrfs_queue_worker+0xa3/0x330
                &(&workers->lock)->rlock            100          [<ffffffff8130c501>] btrfs_queue_worker+0x2a1/0x330
                &(&workers->lock)->rlock            109          [<ffffffff8130c989>] worker_loop+0x3f9/0x540

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

                             &rq->lock/1:           627            627           0.38          45.04        4371.39           6710          34176           0.09          40.64       54452.14
                             -----------
                             &rq->lock/1            627          [<ffffffff810350a2>] double_rq_lock+0x62/0x80
                             -----------
                             &rq->lock/1            356          [<ffffffff81035075>] double_rq_lock+0x35/0x80
                             &rq->lock/1             70          [<ffffffff8162770e>] __schedule+0xbe/0x8f0
                             &rq->lock/1            178          [<ffffffff810350a2>] double_rq_lock+0x62/0x80
                             &rq->lock/1              6          [<ffffffff81042e7f>] try_to_wake_up+0x18f/0x2d0

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

                      &(&t->lock)->rlock:           285            295           0.28          15.05         250.90          38288      109125218           0.00         302.04    14214079.57
                      ------------------
                      &(&t->lock)->rlock            295          [<ffffffff812fcedd>] btrfs_lookup_ordered_extent+0x3d/0x110
                      ------------------
                      &(&t->lock)->rlock            295          [<ffffffff812fcedd>] btrfs_lookup_ordered_extent+0x3d/0x110

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

                             &rq->lock#3:           237            238           0.47          74.32        1561.96           2009         451735           0.00          52.06      421749.79
                             -----------
                             &rq->lock#3             22          [<ffffffff8162770e>] __schedule+0xbe/0x8f0
                             &rq->lock#3            206          [<ffffffff81035075>] double_rq_lock+0x35/0x80
                             &rq->lock#3              1          [<ffffffff810440c5>] scheduler_tick+0x45/0x290
                             &rq->lock#3              3          [<ffffffff81042f05>] try_to_wake_up+0x215/0x2d0
                             -----------
                             &rq->lock#3            212          [<ffffffff81035075>] double_rq_lock+0x35/0x80
                             &rq->lock#3             12          [<ffffffff8162770e>] __schedule+0xbe/0x8f0
                             &rq->lock#3              8          [<ffffffff810350a2>] double_rq_lock+0x62/0x80
                             &rq->lock#3              2          [<ffffffff81042ad0>] active_load_balance_cpu_stop+0x40/0x260

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

                             &rq->lock#2:           158            158           0.69          32.55         982.02           1478         375524           0.00         235.77      401665.63
                             -----------
                             &rq->lock#2            144          [<ffffffff81035075>] double_rq_lock+0x35/0x80
                             &rq->lock#2              9          [<ffffffff8162770e>] __schedule+0xbe/0x8f0
                             &rq->lock#2              3          [<ffffffff81042f05>] try_to_wake_up+0x215/0x2d0
                             &rq->lock#2              2          [<ffffffff81042ad0>] active_load_balance_cpu_stop+0x40/0x260
                             -----------
                             &rq->lock#2            140          [<ffffffff81035075>] double_rq_lock+0x35/0x80
                             &rq->lock#2              5          [<ffffffff8162770e>] __schedule+0xbe/0x8f0
                             &rq->lock#2             12          [<ffffffff810350a2>] double_rq_lock+0x62/0x80
                             &rq->lock#2              1          [<ffffffff810423ef>] load_balance+0x5bf/0x820

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

               &(&dentry->d_lock)->rlock:            70             72           0.32          18.39         128.86           6165         142722           0.09          84.55       23574.83
               -------------------------
               &(&dentry->d_lock)->rlock             56          [<ffffffff8114b822>] dput+0x32/0x1d0
               &(&dentry->d_lock)->rlock             10          [<ffffffff8114c731>] __d_lookup+0xe1/0x1a0
               &(&dentry->d_lock)->rlock              2          [<ffffffff8113fa26>] path_get+0x36/0x50
               &(&dentry->d_lock)->rlock              2          [<ffffffff8113fab1>] unlazy_walk+0x71/0x250
               -------------------------
               &(&dentry->d_lock)->rlock             30          [<ffffffff8113fab1>] unlazy_walk+0x71/0x250
               &(&dentry->d_lock)->rlock             26          [<ffffffff8114b822>] dput+0x32/0x1d0
               &(&dentry->d_lock)->rlock              6          [<ffffffff8114c731>] __d_lookup+0xe1/0x1a0
               &(&dentry->d_lock)->rlock              6          [<ffffffff811412ce>] follow_managed+0x16e/0x2e0

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

                                   key#8:            59             59           0.26           1.52          46.10         536742        4262391           0.00         227.28      758351.42
                                   -----
                                   key#8             59          [<ffffffff81034bb2>] __wake_up+0x32/0x70
                                   -----
                                   key#8             59          [<ffffffff81034bb2>] __wake_up+0x32/0x70

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

            &(&bp->indirect_lock)->rlock:            57             58           1.04           5.53         160.33            544           1278           0.13          10.29        1929.60
            ----------------------------
            &(&bp->indirect_lock)->rlock             41          [<ffffffffa01939ce>] bnx2_reg_rd_ind+0x2e/0x60 [bnx2]
            &(&bp->indirect_lock)->rlock             17          [<ffffffffa01963f8>] bnx2_send_heart_beat+0x28/0x70 [bnx2]
            ----------------------------
            &(&bp->indirect_lock)->rlock             19          [<ffffffffa01963f8>] bnx2_send_heart_beat+0x28/0x70 [bnx2]
            &(&bp->indirect_lock)->rlock             39          [<ffffffffa01939ce>] bnx2_reg_rd_ind+0x2e/0x60 [bnx2]

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

                   &(&base->lock)->rlock:            51             51           0.48           5.39         102.48         102917        2108357           0.00         281.58     1857208.28
                   ---------------------
                   &(&base->lock)->rlock             20          [<ffffffff8105a11b>] lock_timer_base.clone.20+0x3b/0x70
                   &(&base->lock)->rlock             22          [<ffffffff8105a9e7>] run_timer_softirq+0x47/0x3d0
                   &(&base->lock)->rlock              9          [<ffffffff8105af9f>] add_timer_on+0x5f/0x110
                   ---------------------
                   &(&base->lock)->rlock             18          [<ffffffff8105a11b>] lock_timer_base.clone.20+0x3b/0x70
                   &(&base->lock)->rlock             22          [<ffffffff8105af9f>] add_timer_on+0x5f/0x110
                   &(&base->lock)->rlock             11          [<ffffffff8105a9e7>] run_timer_softirq+0x47/0x3d0

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

                        rcu_node_level_0:            49             49           0.66           7.00         122.81           2657           4853           0.12          10.37        6712.95
                        ----------------
                        rcu_node_level_0             12          [<ffffffff810b6070>] __rcu_process_callbacks+0x280/0x370
                        rcu_node_level_0             11          [<ffffffff810b5280>] rcu_start_gp+0x190/0x340
                        rcu_node_level_0             21          [<ffffffff810b548f>] rcu_report_qs_rnp+0x5f/0x170
                        rcu_node_level_0              5          [<ffffffff810b5bb5>] force_quiescent_state+0x245/0x290
                        ----------------
                        rcu_node_level_0             23          [<ffffffff810b6070>] __rcu_process_callbacks+0x280/0x370
                        rcu_node_level_0              5          [<ffffffff810b5bb5>] force_quiescent_state+0x245/0x290
                        rcu_node_level_0             20          [<ffffffff810b548f>] rcu_report_qs_rnp+0x5f/0x170
                        rcu_node_level_0              1          [<ffffffff810b5338>] rcu_start_gp+0x248/0x340

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

          &(&workers->order_lock)->rlock:            35             35           0.64           6.20          57.24            273            612           0.11           5.54         337.61
          ------------------------------
          &(&workers->order_lock)->rlock             16          [<ffffffff8130c4bf>] btrfs_queue_worker+0x25f/0x330
          &(&workers->order_lock)->rlock              5          [<ffffffff8130bca3>] run_ordered_completions+0x93/0xf0
          &(&workers->order_lock)->rlock             14          [<ffffffff8130bc64>] run_ordered_completions+0x54/0xf0
          ------------------------------
          &(&workers->order_lock)->rlock             13          [<ffffffff8130bca3>] run_ordered_completions+0x93/0xf0
          &(&workers->order_lock)->rlock             18          [<ffffffff8130bc64>] run_ordered_completions+0x54/0xf0
          &(&workers->order_lock)->rlock              4          [<ffffffff8130c4bf>] btrfs_queue_worker+0x25f/0x330

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

                     &(&fs->lock)->rlock:            23             23           0.31           8.67          65.76            410           3983           0.12          10.39        4412.59
                     -------------------
                     &(&fs->lock)->rlock             23          [<ffffffff8113fbe0>] unlazy_walk+0x1a0/0x250
                     -------------------
                     &(&fs->lock)->rlock             23          [<ffffffff8113fbe0>] unlazy_walk+0x1a0/0x250

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

                           &rq->lock#2/1:            14             14           1.20          30.04          74.56            419           1169           0.09          13.75         729.72
                           -------------
                           &rq->lock#2/1             14          [<ffffffff810350a2>] double_rq_lock+0x62/0x80
                           -------------
                           &rq->lock#2/1              6          [<ffffffff81035075>] double_rq_lock+0x35/0x80
                           &rq->lock#2/1              4          [<ffffffff810350a2>] double_rq_lock+0x62/0x80
                           &rq->lock#2/1              3          [<ffffffff8162770e>] __schedule+0xbe/0x8f0
                           &rq->lock#2/1              1          [<ffffffff81042e7f>] try_to_wake_up+0x18f/0x2d0

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

                         tasklist_lock-W:            11             11           0.52          11.38          58.47             75            243           0.23          10.65         567.70
                         tasklist_lock-R:             0              0           0.00           0.00           0.00             46            335           0.26           8.22         539.32
                         ---------------
                           tasklist_lock              3          [<ffffffff8104e944>] do_exit+0x1f4/0x880
                           tasklist_lock              3          [<ffffffff8104ebe8>] do_exit+0x498/0x880
                           tasklist_lock              5          [<ffffffff8104d17a>] release_task+0x7a/0x4a0
                         ---------------
                           tasklist_lock              4          [<ffffffff8104ebe8>] do_exit+0x498/0x880
                           tasklist_lock              2          [<ffffffff8104e944>] do_exit+0x1f4/0x880
                           tasklist_lock              5          [<ffffffff8104d17a>] release_task+0x7a/0x4a0

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

                             &rq->lock#5:            10             10           1.41          14.11          49.99             57         626615           0.08         296.15      431743.69
                             -----------
                             &rq->lock#5              3          [<ffffffff81035075>] double_rq_lock+0x35/0x80
                             &rq->lock#5              5          [<ffffffff8162770e>] __schedule+0xbe/0x8f0
                             &rq->lock#5              2          [<ffffffff81042f05>] try_to_wake_up+0x215/0x2d0
                             -----------
                             &rq->lock#5              6          [<ffffffff810350a2>] double_rq_lock+0x62/0x80
                             &rq->lock#5              2          [<ffffffff81035075>] double_rq_lock+0x35/0x80
                             &rq->lock#5              2          [<ffffffff8162770e>] __schedule+0xbe/0x8f0

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

          &(&mm->page_table_lock)->rlock:             9              9           0.99           3.54          17.93             82          15213           0.11         204.39        7680.71
          ------------------------------
          &(&mm->page_table_lock)->rlock              9          [<ffffffff81108b56>] unmap_vmas+0x326/0x6b0
          ------------------------------
          &(&mm->page_table_lock)->rlock              9          [<ffffffff81108b56>] unmap_vmas+0x326/0x6b0

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

              &(&device->io_lock)->rlock:             9              9           0.67           1.97          10.86            152            587           0.10           1.08         147.13
              --------------------------
              &(&device->io_lock)->rlock              6          [<ffffffff813051c6>] run_scheduled_bios+0xb6/0x510
              &(&device->io_lock)->rlock              3          [<ffffffff81305a9f>] schedule_bio.clone.35+0x5f/0x120
              --------------------------
              &(&device->io_lock)->rlock              6          [<ffffffff81305a9f>] schedule_bio.clone.35+0x5f/0x120
              &(&device->io_lock)->rlock              3          [<ffffffff813051c6>] run_scheduled_bios+0xb6/0x510

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

            &(&tree->buffer_lock)->rlock:             8              8           0.59           1.27           7.01           6292          73749           0.13         114.33       14968.65
            ----------------------------
            &(&tree->buffer_lock)->rlock              8          [<ffffffff813027d4>] alloc_extent_buffer+0x3c4/0x4e0
            ----------------------------
            &(&tree->buffer_lock)->rlock              8          [<ffffffff813027d4>] alloc_extent_buffer+0x3c4/0x4e0

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

                           &rq->lock#3/1:             8              8           1.37          66.19         122.24             97            237           0.09           9.87         150.38
                           -------------
                           &rq->lock#3/1              8          [<ffffffff810350a2>] double_rq_lock+0x62/0x80
                           -------------
                           &rq->lock#3/1              8          [<ffffffff81035075>] double_rq_lock+0x35/0x80

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

             &(&sighand->siglock)->rlock:             7              7           0.36           1.34           5.54             89            374           0.12           8.27         434.76
             ---------------------------
             &(&sighand->siglock)->rlock              1          [<ffffffff8105ffb0>] exit_signals+0x60/0x100
             &(&sighand->siglock)->rlock              3          [<ffffffff81093d33>] acct_collect+0x193/0x1b0
             &(&sighand->siglock)->rlock              3          [<ffffffff810b92e3>] taskstats_exit+0x233/0x3c0
             ---------------------------
             &(&sighand->siglock)->rlock              2          [<ffffffff8105ffb0>] exit_signals+0x60/0x100
             &(&sighand->siglock)->rlock              4          [<ffffffff81093d33>] acct_collect+0x193/0x1b0
             &(&sighand->siglock)->rlock              1          [<ffffffff810b92e3>] taskstats_exit+0x233/0x3c0

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

              &(&newf->file_lock)->rlock:             5              5           0.90           4.34          10.03            433          25932           0.12          10.56        4117.98
              --------------------------
              &(&newf->file_lock)->rlock              2          [<ffffffff81132227>] fd_install+0x47/0x80
              &(&newf->file_lock)->rlock              1          [<ffffffff81150cbb>] alloc_fd+0x3b/0x150
              &(&newf->file_lock)->rlock              2          [<ffffffff81132103>] sys_close+0x43/0x120
              --------------------------
              &(&newf->file_lock)->rlock              2          [<ffffffff81150cbb>] alloc_fd+0x3b/0x150
              &(&newf->file_lock)->rlock              2          [<ffffffff81132227>] fd_install+0x47/0x80
              &(&newf->file_lock)->rlock              1          [<ffffffff81132103>] sys_close+0x43/0x120

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

                           &rq->lock#4/1:             4              4           3.17           9.66          26.35             15            611           0.11          20.08        1553.62
                           -------------
                           &rq->lock#4/1              4          [<ffffffff810350a2>] double_rq_lock+0x62/0x80
                           -------------
                           &rq->lock#4/1              3          [<ffffffff810350a2>] double_rq_lock+0x62/0x80
                           &rq->lock#4/1              1          [<ffffffff81035075>] double_rq_lock+0x35/0x80

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

         &(&futex_queues[i].lock)->rlock:             3              3           0.98           1.48           3.54            130            177           0.13          28.73         454.69
         -------------------------------
         &(&futex_queues[i].lock)->rlock              3          [<ffffffff8108773a>] futex_wake+0x7a/0x130
         -------------------------------
         &(&futex_queues[i].lock)->rlock              2          [<ffffffff8108773a>] futex_wake+0x7a/0x130
         &(&futex_queues[i].lock)->rlock              1          [<ffffffff81086e49>] futex_wait_setup+0x69/0x100

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

        &(&journal->j_state_lock)->rlock:             2              3           1.87           6.65          11.86             23            674           0.12          15.18         467.71
        --------------------------------
        &(&journal->j_state_lock)->rlock              1          [<ffffffff8121c3c2>] journal_start_commit+0x32/0xa0
        &(&journal->j_state_lock)->rlock              2          [<ffffffff81214502>] start_this_handle+0x72/0x450
        --------------------------------
        &(&journal->j_state_lock)->rlock              2          [<ffffffff81216bf3>] journal_commit_transaction+0x93/0x12e0
        &(&journal->j_state_lock)->rlock              1          [<ffffffff81214502>] start_this_handle+0x72/0x450

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

                    &irq_desc_lock_class:             2              2           9.67          11.71          21.38            464         893424           0.00          36.64      645430.87
                    --------------------
                    &irq_desc_lock_class              1          [<ffffffff810b340e>] handle_edge_irq+0x1e/0x110
                    &irq_desc_lock_class              1          [<ffffffff810b0c73>] handle_irq_event+0x53/0x70
                    --------------------
                    &irq_desc_lock_class              2          [<ffffffff810b4905>] show_interrupts+0x125/0x310

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

                                 sb_lock:             1              1           1.56           1.56           1.56             78            222           0.12          18.20         507.58
                                 -------
                                 sb_lock              1          [<ffffffff81137635>] grab_super_passive+0x25/0xc0
                                 -------
                                 sb_lock              1          [<ffffffff81137a22>] iterate_supers+0xb2/0xf0

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

                                   key#3:             1              1           1.67           1.67           1.67           1625           1625           0.00          11.54        3324.00
                                   -----
                                   key#3              1          [<ffffffff81385520>] __percpu_counter_add+0x50/0x80
                                   -----
                                   key#3              1          [<ffffffff81385520>] __percpu_counter_add+0x50/0x80

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

                                pgd_lock:             0              0           0.00           0.00           0.00             18             20           0.52           1.94          24.90
                 &rcu_bh_state.onofflock:             0              0           0.00           0.00           0.00              0             67           3.50          18.88         632.56
                                   key#4:             0              0           0.00           0.00           0.00              3              6           0.21           0.61           2.51
                             sysfs_mutex:             0              0           0.00           0.00           0.00              8          63624           0.16          87.04       25960.67
                         inode_hash_lock:             0              0           0.00           0.00           0.00             12           9263           0.12           5.70        4534.06
                 &sb->s_type->i_lock_key:             0              0           0.00           0.00           0.00              7             33           0.17           0.50          10.15
               __vsyscall_gtod_data.lock:             0              0           0.00           0.00           0.00              0          32344           0.00          13.46       27931.45
              &rcu_sched_state.onofflock:             0              0           0.00           0.00           0.00            314            456           3.52          34.89        5586.91
                     tick_broadcast_lock:             0              0           0.00           0.00           0.00              0              1           0.60           0.60           0.60
                   &(&gcwq->lock)->rlock:             0              0           0.00           0.00           0.00             43          47720           0.16         263.71      303897.07
                  random_write_wait.lock:             0              0           0.00           0.00           0.00              5             53           0.12           1.14           9.86
                           watchdog_lock:             0              0           0.00           0.00           0.00            647            647           4.61          24.56        6411.26
                           vmlist_lock-R:             0              0           0.00           0.00           0.00              2              2          15.43          19.65          35.09
                             &p->pi_lock:             0              0           0.00           0.00           0.00         648888       11937747           0.00         302.01    31585039.00
                             pidmap_lock:             0              0           0.00           0.00           0.00             62            127           0.32           5.92          95.78
                &(&p->alloc_lock)->rlock:             0              0           0.00           0.00           0.00             62            436           0.12          10.91         430.64
                     kthread_create_lock:             0              0           0.00           0.00           0.00             34             51           0.12           1.18          25.04
                                     key:             0              0           0.00           0.00           0.00             36             56           0.13          13.22         120.55
                           big_tty_mutex:             0              0           0.00           0.00           0.00              2              8           0.13          10.97          29.71
                &(&stopper->lock)->rlock:             0              0           0.00           0.00           0.00           1230           1854           0.13          20.94        4206.86
                                events-R:             0              0           0.00           0.00           0.00              0          15558           4.67          76.42      233351.45
                             sysctl_lock:             0              0           0.00           0.00           0.00              2             11           0.13           0.74           2.62
                        &namespace_sem-R:             0              0           0.00           0.00           0.00              1              3           0.21          65.92          99.30
                         vfsmount_lock-R:             0              0           0.00           0.00           0.00              0          41348           0.09          20.23       19002.10
                                   key#1:             0              0           0.00           0.00           0.00             31            671           0.12           0.87          92.49
                          &port_lock_key:             0              0           0.00           0.00           0.00              3             13           0.12          22.87          83.57
                         rcu_read_lock-R:             0              0           0.00           0.00           0.00              0      277188951           0.00         369.32    60080972.24
                        proc_subdir_lock:             0              0           0.00           0.00           0.00             10           2820           0.14          12.34        2894.12
               &sb->s_type->i_lock_key#8:             0              0           0.00           0.00           0.00              0             18           0.10           0.64           3.93
               &sb->s_type->i_lock_key#4:             0              0           0.00           0.00           0.00              2          29933           0.09           1.41        5270.64
                         nl_table_lock-R:             0              0           0.00           0.00           0.00              0             26           0.12           0.85           6.90
                      nl_table_wait.lock:             0              0           0.00           0.00           0.00              0             26           0.12           1.00           6.69
                                bdi_lock:             0              0           0.00           0.00           0.00              1              1          48.49          48.49          48.49
                                pci_lock:             0              0           0.00           0.00           0.00           1377           5818           1.29          22.69       22306.36
                         pci_config_lock:             0              0           0.00           0.00           0.00           1377           5818           1.05           6.02        9008.78
                &rcu_sched_state.fqslock:             0              0           0.00           0.00           0.00              0            555           0.69          42.33       10651.34
              &sb->s_type->i_mutex_key#4:             0              0           0.00           0.00           0.00              1              9          10.35          12.08         103.15
                               balancing:             0              0           0.00           0.00           0.00              0         394342           0.09         272.86      662462.02
                         &cpu_base->lock:             0              0           0.00           0.00           0.00            140        3107653           0.00         261.34    17105456.81
               &sb->s_type->i_lock_key#9:             0              0           0.00           0.00           0.00              6             36           0.10           0.89          12.35
                               bdev_lock:             0              0           0.00           0.00           0.00              2              2          16.66          18.18          34.85
              &sb->s_type->i_mutex_key#7:             0              0           0.00           0.00           0.00             28            191           0.20          14.10         128.61
                               tty_mutex:             0              0           0.00           0.00           0.00              2              6           0.83           8.17          17.99
                              &tbl->lock:             0              0           0.00           0.00           0.00              0            393           0.12          14.18         501.84
                                  &timer:             0              0           0.00           0.00           0.00              0         270645           0.00         234.83       25608.10
                          files_lglock-R:             0              0           0.00           0.00           0.00              0          16128           0.09           2.09        1963.12
                  &mapping->i_mmap_mutex:             0              0           0.00           0.00           0.00             78            340           0.18           2.20         187.51
                   &fsnotify_mark_srcu-R:             0              0           0.00           0.00           0.00              0            461           0.08           5.90          51.87
                &child->perf_event_mutex:             0              0           0.00           0.00           0.00             55             58           0.34           3.66         139.43
                        &ei->xattr_sem-R:             0              0           0.00           0.00           0.00              3              3           0.26           0.56           1.16
               &sb->s_type->i_lock_key#3:             0              0           0.00           0.00           0.00              2              7           0.15           1.65           6.10
                            init_fs.lock:             0              0           0.00           0.00           0.00              6             22           0.12           0.52           5.14
   &(&(kretprobe_table_locks[i].lock))->:             0              0           0.00           0.00           0.00             54             58           0.12           0.88          28.91
                            &port->mutex:             0              0           0.00           0.00           0.00              2              4           0.44           3.95           7.46
                         &watchdog_timer:             0              0           0.00           0.00           0.00              0            647           5.26          42.33        7699.51
                          &hcd->rh_timer:             0              0           0.00           0.00           0.00              0           1294           9.96          38.96       26344.22
                   &(&uhci->lock)->rlock:             0              0           0.00           0.00           0.00              0           1294           7.66          20.84       16446.24
         &(&ent->pde_unload_lock)->rlock:             0              0           0.00           0.00           0.00            158           7564           0.12           1.27        1062.30
                            s_active#5-R:             0              0           0.00           0.00           0.00              0            102           0.34           1.00          70.74
                           &ndev->lock-R:             0              0           0.00           0.00           0.00              0             12           0.25           0.99           6.39
                 &(&mc->mca_lock)->rlock:             0              0           0.00           0.00           0.00              0              4           0.23           0.26           0.96
                      rcu_read_lock_bh-R:             0              0           0.00           0.00           0.00              0            228           0.11           4.36         238.30
                    addrconf_verify_lock:             0              0           0.00           0.00           0.00              0              4           3.22           3.88          13.64
                               cdev_lock:             0              0           0.00           0.00           0.00              3              3           0.93           1.47           3.62
   &(&dev->mode_config.output_poll_work):             0              0           0.00           0.00           0.00              0             32           6.99          42.06         599.31
                                   key#1:             0              0           0.00           0.00           0.00              2              7           0.12           0.50           1.54
                          tty_files_lock:             0              0           0.00           0.00           0.00              2              8           0.13           1.00           2.74
                     tty_ldisc_idle.lock:             0              0           0.00           0.00           0.00              1              1           0.47           0.47           0.47
                   &(&port->lock)->rlock:             0              0           0.00           0.00           0.00              2              4           0.14           0.68           1.42
                      &(&i->lock)->rlock:             0              0           0.00           0.00           0.00              0              4          17.77          26.40          89.43
                  &sig->cred_guard_mutex:             0              0           0.00           0.00           0.00              3              3        1477.40       21275.77       24430.10
                         &mm->mmap_sem-W:             0              0           0.00           0.00           0.00             16          11895           0.15         829.80       26358.82
                         &mm->mmap_sem-R:             0              0           0.00           0.00           0.00             59           8360           0.26       10760.05       39300.86
                        &anon_vma->mutex:             0              0           0.00           0.00           0.00            160          23773           0.16           5.68        5024.82
                             rename_lock:             0              0           0.00           0.00           0.00              3             28           0.39           5.06          41.85
                         &mm->mmap_sem/1:             0              0           0.00           0.00           0.00              0              2         739.72         828.66        1568.39
        &(&mm->page_table_lock)->rlock/1:             0              0           0.00           0.00           0.00              0             86           0.24         114.24        1232.46
                                   key#2:             0              0           0.00           0.00           0.00              8            112           0.11           0.69          17.08
           &flush_state[i].tlbstate_lock:             0              0           0.00           0.00           0.00              0             69           1.33          91.65         292.95
                          &(work)->timer:             0              0           0.00           0.00           0.00              0          15515           0.66         103.05      292169.54
                         (&(work)->work):             0              0           0.00           0.00           0.00              0          15515           3.98          69.59      213720.55
                 &type->s_umount_key#1-R:             0              0           0.00           0.00           0.00              1              4           0.12           0.54           1.06
              &sb->s_type->i_mutex_key#6:             0              0           0.00           0.00           0.00             18           2823           3.44          24.13       15345.77
                         dcache_lru_lock:             0              0           0.00           0.00           0.00              4            406           0.12           0.75          51.86
             &(&dentry->d_lock)->rlock/1:             0              0           0.00           0.00           0.00            358           2605           0.12           5.91         430.73
                                &p->lock:             0              0           0.00           0.00           0.00              0           1798           0.21         446.99       34263.07
                 &type->s_umount_key#1-R:             0              0           0.00           0.00           0.00              1              4           0.14           0.57           1.17
                 &type->s_umount_key#1-R:             0              0           0.00           0.00           0.00              1              4           0.14           0.68           1.36
                                   key#2:             0              0           0.00           0.00           0.00             75           1499           0.12          12.26         265.96
            &sb->s_type->i_mutex_key#7/1:             0              0           0.00           0.00           0.00              2              2           2.04           3.05           5.09
                 &tty->atomic_write_lock:             0              0           0.00           0.00           0.00              0              1          18.16          18.16          18.16
              &sb->s_type->i_mutex_key#8:             0              0           0.00           0.00           0.00            877           4706           0.17         104.42        3287.81
                  sysfs_open_dirent_lock:             0              0           0.00           0.00           0.00              6          18936           0.12           0.95        2534.71
                          &buffer->mutex:             0              0           0.00           0.00           0.00              0           6312           1.20          94.55       17482.66
                               swap_lock:             0              0           0.00           0.00           0.00             10           2165           0.12           1.14         296.64
                               uts_sem-R:             0              0           0.00           0.00           0.00              2              2           0.80           2.00           2.79
                &(&wb->list_lock)->rlock:             0              0           0.00           0.00           0.00            197            573           0.15          15.17        1071.57
                    &(&f->f_lock)->rlock:             0              0           0.00           0.00           0.00              0              2           1.07           1.33           2.40
        &(&mapping->private_lock)->rlock:             0              0           0.00           0.00           0.00             22             68           0.12           1.23          27.38
                   random_read_wait.lock:             0              0           0.00           0.00           0.00             15             17           0.16           0.83           9.02
               &sb->s_type->i_lock_key#1:             0              0           0.00           0.00           0.00           1111           4287           0.11           5.79        1415.99
          &(&fs_info->trans_lock)->rlock:             0              0           0.00           0.00           0.00            194            272           0.13           2.61         145.25
               &sb->s_type->i_lock_key#1:             0              0           0.00           0.00           0.00            590           1213           0.12           1.68         601.63
                &fs_info->tree_log_mutex:             0              0           0.00           0.00           0.00              5              9         443.32      401377.19      427839.68
                                   key#3:             0              0           0.00           0.00           0.00              9             17           0.12           4.66          15.36
                                   key#3:             0              0           0.00           0.00           0.00              8             11           0.13           5.66          18.00
         &(&journal->j_list_lock)->rlock:             0              0           0.00           0.00           0.00             10            404           0.13           9.92         134.99
                                   key#3:             0              0           0.00           0.00           0.00              2              4           0.15           0.56           1.24
              &sb->s_type->i_mutex_key#1:             0              0           0.00           0.00           0.00             12            302           0.37       11905.25       13955.61
                       &tty->ldisc_mutex:             0              0           0.00           0.00           0.00              2              2           0.63           1.05           1.68
                             fasync_lock:             0              0           0.00           0.00           0.00              2              2           0.56           0.57           1.14
                                    #1-R:             0              0           0.00           0.00           0.00              2              5           1.21           6.37          15.29
                                   key#4:             0              0           0.00           0.00           0.00              6            310           0.12           0.90          47.74
                          tty_ldisc_lock:             0              0           0.00           0.00           0.00              1              1           0.73           0.73           0.73
                           binfmt_lock-R:             0              0           0.00           0.00           0.00              3              6           0.20           0.85           3.27
                       &tty->output_lock:             0              0           0.00           0.00           0.00              1              2           6.53           6.84          13.37
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              1              6          46.63        1642.99        2688.08
               &s->s_dquot.dqonoff_mutex:             0              0           0.00           0.00           0.00              1              6           0.20           1.52           5.06
   &(&transaction->t_handle_lock)->rlock:             0              0           0.00           0.00           0.00              8            624           0.13           2.06         198.14
                              jbd_handle:             0              0           0.00           0.00           0.00              0            310           2.22         207.54        1629.35
       &(&journal->j_revoke_lock)->rlock:             0              0           0.00           0.00           0.00              1              3           0.34           0.69           1.38
                     &ei->truncate_mutex:             0              0           0.00           0.00           0.00              3              6           3.48          85.82         200.99
           &(&bgl->locks[i].lock)->rlock:             0              0           0.00           0.00           0.00              4              6           0.14           0.45           1.88
       &(&sbi->s_rsv_window_lock)->rlock:             0              0           0.00           0.00           0.00              1              3           0.16           0.76           1.37
                              rtnl_mutex:             0              0           0.00           0.00           0.00              1              3           1.25           3.17           7.47
                     edac_pci_ctls_mutex:             0              0           0.00           0.00           0.00             43            317           2.93          19.00        2043.54
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              1              4           0.13           0.63           1.26
                    &(&ifa->lock)->rlock:             0              0           0.00           0.00           0.00              0              8           0.13           0.21           1.33
                         &tb->tb6_lock-W:             0              0           0.00           0.00           0.00              0             30           0.24          59.96         352.10
                         &tb->tb6_lock-R:             0              0           0.00           0.00           0.00              0             12           0.48           2.39          13.69
                      fib6_walker_lock-W:             0              0           0.00           0.00           0.00              0             44           0.12           1.62          12.46
                      fib6_walker_lock-R:             0              0           0.00           0.00           0.00              0             10           0.14           1.36           6.48
                           slock-AF_INET:             0              0           0.00           0.00           0.00              0              3           0.16           0.58           0.93
                           clock-AF_INET:             0              0           0.00           0.00           0.00              0              3           0.14           0.45           0.73
           &sig->threadgroup_fork_lock-R:             0              0           0.00           0.00           0.00              2             50           4.00          13.28         240.28
       &(&futex_queues[i].lock)->rlock/1:             0              0           0.00           0.00           0.00              2              2           0.16           0.17           0.33
          &(&table->hash[i].lock)->rlock:             0              0           0.00           0.00           0.00              0            216           0.12           1.53          63.32
             &(&rt_hash_locks[i])->rlock:             0              0           0.00           0.00           0.00              0             52           0.51           1.30          53.00
                            s_active#3-R:             0              0           0.00           0.00           0.00              0           3072           0.59           4.31        2495.05
                            s_active#4-R:             0              0           0.00           0.00           0.00              0           6144           0.52           3.89        5415.87
                            s_active#4-R:             0              0           0.00           0.00           0.00              0           3008           0.41           3.50        2319.82
                              xtime_lock:             0              0           0.00           0.00           0.00              0          32344           0.00          58.21      339158.49
                            events_nrt-R:             0              0           0.00           0.00           0.00              0             32        2111.59        2183.73       68043.68
                                   key#4:             0              0           0.00           0.00           0.00              7              7           0.34           0.66           3.55
                &journal->j_commit_timer:             0              0           0.00           0.00           0.00              0              5           0.09           7.01           7.40
                 &dev->mode_config.mutex:             0              0           0.00           0.00           0.00              0             32        2107.91        2172.00       67833.12
             &dev->mode_config.idr_mutex:             0              0           0.00           0.00           0.00              0             32           0.82           5.95          60.68
      &(&intf->waiting_msgs_lock)->rlock:             0              0           0.00           0.00           0.00              0            324           0.44           2.20         343.33
                             &ipmi_timer:             0              0           0.00           0.00           0.00              0            324           8.23          33.84        5400.16
               &(&intf->seq_lock)->rlock:             0              0           0.00           0.00           0.00              0            324           1.85           7.25        1379.27
                    &(&pci->work)->timer:             0              0           0.00           0.00           0.00              0            317           4.34          55.52        6032.55
                           edac-poller-R:             0              0           0.00           0.00           0.00              0            317           5.02          24.22        2889.05
                   (&(&pci->work)->work):             0              0           0.00           0.00           0.00              0            317           4.33          22.22        2608.99
                 &(&bp->phy_lock)->rlock:             0              0           0.00           0.00           0.00              0            316           1.84          20.48        2189.91
          &(&dev->tx_global_lock)->rlock:             0              0           0.00           0.00           0.00              0             65           9.68          22.73        1078.83
                           _xmit_ETHER#2:             0              0           0.00           0.00           0.00              0            520           0.13           1.37         216.66
                 &(&list->lock)->rlock#2:             0              0           0.00           0.00           0.00              0            520           0.26           5.69         329.20
                             &vha->timer:             0              0           0.00           0.00           0.00              0           5818           1.81          48.94       47756.85
                   &rcu_bh_state.fqslock:             0              0           0.00           0.00           0.00              0             59           0.43          33.67        1087.03
                              &n->lock-W:             0              0           0.00           0.00           0.00              0             99           0.20           2.36          61.93
                              &n->lock-R:             0              0           0.00           0.00           0.00              0              9           0.20           0.50           3.25
                            s_active#5-R:             0              0           0.00           0.00           0.00              0            196           0.33           1.48         153.07
                            s_active#5-R:             0              0           0.00           0.00           0.00              0            102           0.55           1.21          79.48
                              &bp->timer:             0              0           0.00           0.00           0.00              0            323           7.35          39.75        5797.35
                 &(&list->lock)->rlock#4:             0              0           0.00           0.00           0.00              0              9           0.13           0.16           1.27
                          icmp6_dst_lock:             0              0           0.00           0.00           0.00              0             11           0.83           1.50          11.95
                       &wb->wakeup_timer:             0              0           0.00           0.00           0.00              0              2           8.52          22.47          30.99
                 &(&bdi->wb_lock)->rlock:             0              0           0.00           0.00           0.00             70            136           0.13          14.87         138.23
          &(&(&n->ha_lock)->lock)->rlock:             0              0           0.00           0.00           0.00              0              3           0.15           0.16           0.47
                                   key#5:             0              0           0.00           0.00           0.00              5              5           0.37           0.47           2.14
                    &dev->watchdog_timer:             0              0           0.00           0.00           0.00              0             65          10.11          25.09        1191.31
   (&(&dev->mode_config.output_poll_work:             0              0           0.00           0.00           0.00              0             32        2111.23        2179.21       67981.82
                 &(&tbl->gc_work)->timer:             0              0           0.00           0.00           0.00              0             43           8.40          49.42         881.40
                (&(&tbl->gc_work)->work):             0              0           0.00           0.00           0.00              0             43           7.58          43.60         677.59
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              1              6           0.15          88.45          94.49
                                   key#5:             0              0           0.00           0.00           0.00              2              3           0.18           0.83           1.51
                &net->ipv6.ip6_fib_timer:             0              0           0.00           0.00           0.00              0             11          28.83          88.70         520.13
                            fib6_gc_lock:             0              0           0.00           0.00           0.00              0             11          24.85          85.45         483.31
                                   key#6:             0              0           0.00           0.00           0.00              0              1           0.73           0.73           0.73
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              2              8           0.14           0.81           2.92
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              1              4           0.17           0.59           1.19
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              4             16           0.12           0.51           3.92
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              1              4           0.12           0.58           1.07
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              1              4           0.18           0.88           1.80
                 &type->s_umount_key#2-R:             0              0           0.00           0.00           0.00              1              4           0.13           0.76           1.45
                 &type->s_umount_key#3-R:             0              0           0.00           0.00           0.00              1              4           0.13           0.59           1.27
                 &type->s_umount_key#3-R:             0              0           0.00           0.00           0.00              1              4           0.13           0.62           1.30
                                   key#6:             0              0           0.00           0.00           0.00             16             24           0.14           8.84          60.34
                 &type->s_umount_key#3-R:             0              0           0.00           0.00           0.00              1              4           0.18           0.69           1.44
                    &in_dev->mr_gq_timer:             0              0           0.00           0.00           0.00              0              6           2.32           3.29          16.36
                                       t:             0              0           0.00           0.00           0.00              0             48           6.11          33.31         829.54
                        &f->secret_timer:             0              0           0.00           0.00           0.00              0              2          27.74          65.46          93.20
                                &f->lock:             0              0           0.00           0.00           0.00              0              2          24.19          54.60          78.78
                          &fc->rnd_timer:             0              0           0.00           0.00           0.00              0              1          41.37          41.37          41.37
                              &rif_timer:             0              0           0.00           0.00           0.00              0              1           1.81           1.81           1.81
                                rif_lock:             0              0           0.00           0.00           0.00              0              1           0.48           0.48           0.48
                     &(&pl->lock)->rlock:             0              0           0.00           0.00           0.00              2              2           0.22           0.57           0.80
                 swapper_space.tree_lock:             0              0           0.00           0.00           0.00              4              7           0.20           2.89          13.55
                             mmlist_lock:             0              0           0.00           0.00           0.00              4              4           0.32           0.91           2.33
          &fs_devices->device_list_mutex:             0              0           0.00           0.00           0.00              8              9         141.98      162733.81      165361.78
                 &type->s_umount_key#1-R:             0              0           0.00           0.00           0.00              1              4           0.13           0.54           1.24
                   &fs_info->chunk_mutex:             0              0           0.00           0.00           0.00              1              1         592.87         592.87         592.87
                           &tree->lock-W:             0              0           0.00           0.00           0.00              7           4828           0.13           3.43        1471.46
                           &tree->lock-R:             0              0           0.00           0.00           0.00       27703063      109597103           0.00         295.95    27230346.66
                                   key#8:             0              0           0.00           0.00           0.00       52360250       54599266           0.00         296.51     8846291.84
                                    #2-W:             0              0           0.00           0.00           0.00              2             66           0.16           5.27          28.67
                                    #2-R:             0              0           0.00           0.00           0.00              3             23           0.14           0.71           5.31
                                      #3:             0              0           0.00           0.00           0.00             27            943           0.12          12.57         730.77
               &(&ctl->tree_lock)->rlock:             0              0           0.00           0.00           0.00             10            481           0.12           5.50         116.82
                  &(&found->lock)->rlock:             0              0           0.00           0.00           0.00             15            699           0.12         367.15         597.18
                    &found->groups_sem-R:             0              0           0.00           0.00           0.00              6            204           1.36          14.73         393.34
   &(&fs_info->block_group_cache_lock)->:             0              0           0.00           0.00           0.00             10          31334           0.13           8.50        5639.16
                  &(&cache->lock)->rlock:             0              0           0.00           0.00           0.00            422           1340           0.12           1.39         308.15
       &fs_info->durable_block_rsv_mutex:             0              0           0.00           0.00           0.00              6              9           2.46           7.22          37.19
                    &(&rsv->lock)->rlock:             0              0           0.00           0.00           0.00            161            590           0.12           5.72         236.31
                 &fs_info->cleaner_mutex:             0              0           0.00           0.00           0.00              0             23           2.65           5.99          85.04
   &(&fs_info->delayed_iput_lock)->rlock:             0              0           0.00           0.00           0.00              8             25           0.25           0.84           9.32
     &fs_info->transaction_kthread_mutex:             0              0           0.00           0.00           0.00              9             23           8.26      952584.25      994603.78
   &(&fs_info->fs_roots_radix_lock)->rlo:             0              0           0.00           0.00           0.00             14             23           0.16           5.68          61.06
   &(&fs_info->defrag_inodes_lock)->rloc:             0              0           0.00           0.00           0.00              6             23           0.55           0.89          15.31
                                   key#8:             0              0           0.00           0.00           0.00             17             32           0.24           1.05          18.10
                                    #5-W:             0              0           0.00           0.00           0.00            125            610           0.15           6.48         191.54
                                    #5-R:             0              0           0.00           0.00           0.00            355          10219           0.14           6.06        2493.31
             &(&root->inode_lock)->rlock:             0              0           0.00           0.00           0.00            142           1102           0.13           3.27         441.34
                 &type->s_umount_key#3-R:             0              0           0.00           0.00           0.00              1             40           4.21        9606.29       19359.89
       &(&fs_info->delalloc_lock)->rlock:             0              0           0.00           0.00           0.00              6            817           0.12           3.94         159.47
   &(&fs_info->ordered_extent_lock)->rlo:             0              0           0.00           0.00           0.00              4             20           0.13           1.43           8.98
      &fs_info->ordered_operations_mutex:             0              0           0.00           0.00           0.00              4             18           0.44           4.56          31.46
   &(&cur_trans->delayed_refs.lock)->rlo:             0              0           0.00           0.00           0.00              7           1316           0.13          11.20         625.87
       &(&cur_trans->commit_lock)->rlock:             0              0           0.00           0.00           0.00              6              9           0.12           0.22           1.66
                                   key#8:             0              0           0.00           0.00           0.00              4              9           0.14           0.53           2.51
           &(&delayed_root->lock)->rlock:             0              0           0.00           0.00           0.00            150            468           0.12           3.30         203.25
                                   key#8:             0              0           0.00           0.00           0.00              6             18           0.12           0.48           4.18
                   &fs_info->reloc_mutex:             0              0           0.00           0.00           0.00             14             16           4.74      550081.29      564390.25
                    &fs_info->scrub_lock:             0              0           0.00           0.00           0.00              5              9           0.51           1.89           7.10
                &(&cluster->lock)->rlock:             0              0           0.00           0.00           0.00              6            408           0.11           1.36          61.93
             &fs_info->extent_commit_sem:             0              0           0.00           0.00           0.00              5             18           0.24           1.18          12.32
         &(&cluster->refill_lock)->rlock:             0              0           0.00           0.00           0.00              6            204           0.58           3.16         148.11
                                   key#9:             0              0           0.00           0.00           0.00            102           2953           0.12           0.47         367.88
                        &head_ref->mutex:             0              0           0.00           0.00           0.00              0            407           7.01      276951.03      553460.33
                      &sync_supers_timer:             0              0           0.00           0.00           0.00              0             54           8.80          27.20         934.57
                                   key#9:             0              0           0.00           0.00           0.00              7              9           0.15           0.58           2.70
                                   key#9:             0              0           0.00           0.00           0.00              6              9           0.14           0.24           1.80
                                    #6-R:             0              0           0.00           0.00           0.00              1              2           0.71           0.76           1.47
              &sb->s_type->i_mutex_key#1:             0              0           0.00           0.00           0.00              1            405           6.35       33738.52       66923.44
            &sb->s_type->i_mutex_key#1/1:             0              0           0.00           0.00           0.00              0              1          20.94          20.94          20.94
                    &delayed_node->mutex:             0              0           0.00           0.00           0.00            137            882           0.18         175.57        5435.54
                                    #7-W:             0              0           0.00           0.00           0.00             12            357           0.15           4.29         279.69
                                    #7-R:             0              0           0.00           0.00           0.00            186          14305           0.15          70.11       10054.33
        &(&root->accounting_lock)->rlock:             0              0           0.00           0.00           0.00              1              1           0.77           0.77           0.77
                                    #8-W:             0              0           0.00           0.00           0.00             10           1301           0.15          13.14        1211.94
                                    #8-R:             0              0           0.00           0.00           0.00              0             54           0.15           2.48          37.79
                                    #9-W:             0              0           0.00           0.00           0.00              1             67           0.17          11.58         139.78
                                    #9-R:             0              0           0.00           0.00           0.00            252          16289           0.15         121.66       15102.03
                                    #1-W:             0              0           0.00           0.00           0.00              0           1310           0.15           4.87         813.25
                                    #1-R:             0              0           0.00           0.00           0.00              6           1118           0.14           2.90         613.14
                  &root->fs_commit_mutex:             0              0           0.00           0.00           0.00              3              7           1.33           1.77          11.05
                                    #1-R:             0              0           0.00           0.00           0.00          94897        1050318           0.00         112.67      224505.22
                                    #1-R:             0              0           0.00           0.00           0.00          29424        1587143           0.00         275.87     1464008.53
                                    #1-R:             0              0           0.00           0.00           0.00         134476        1594390           0.00         285.82     1448094.16
                                    #1-R:             0              0           0.00           0.00           0.00         320563        1595171           0.00         295.65     2455219.33
                             &eb->lock-W:             0              0           0.00           0.00           0.00              5             14           0.15           0.47           3.81
                             &eb->lock-R:             0              0           0.00           0.00           0.00             70           1515           0.15          97.02        1289.04
                                   key#3:             0              0           0.00           0.00           0.00          48193          57204           0.21         251.11      232115.78
                      inode_sb_list_lock:             0              0           0.00           0.00           0.00             15           6406           0.12         427.47        2747.41
                  &nonblocking_pool.lock:             0              0           0.00           0.00           0.00              5          98418           0.12           5.47       26313.50
