# slabtop -o -s=a
 Active / Total Objects (% used)    : 33431432 / 33664160 (99.3%)
 Active / Total Slabs (% used)      : 1346736 / 1346736 (100.0%)
 Active / Total Caches (% used)     : 78 / 114 (68.4%)
 Active / Total Size (% used)       : 10512136.19K / 10737701.80K (97.9%)
 Minimum / Average / Maximum Object : 0.01K / 0.32K / 15.62K

  OBJS ACTIVE  USE OBJ SIZE  SLABS OBJ/SLAB CACHE SIZE NAME
32493650 32492775  99%    0.31K 1299746       25  10397968K bio-1
323505 323447  99%    0.19K  15405       21     61620K dentry
176680 176680 100%    0.07K   3155       56     12620K btrfs_free_space
118208  41288  34%    0.12K   3694       32     14776K kmalloc-128
 94528  43378  45%    0.25K   2954       32     23632K kmalloc-256
 91872  41682  45%    0.50K   2871       32     45936K kmalloc-512
 83048  39031  46%    4.00K  10381        8    332192K kmalloc-4096
 69049  69049 100%    0.27K   2381       29     19048K btrfs_extent_buffer
 46872  46385  98%    0.57K   1674       28     26784K radix_tree_node
 23460  23460 100%    0.12K    690       34      2760K kernfs_node_cache
 17536  17536 100%    0.98K    548       32     17536K btrfs_inode
 16380  16007  97%    0.14K    585       28      2340K btrfs_path
 12444  11635  93%    0.08K    244       51       976K Acpi-State
 12404  12404 100%    0.55K    443       28      7088K inode_cache
 11648  10851  93%    0.06K    182       64       728K kmalloc-64
 10404   5716  54%    0.08K    204       51       816K btrfs_extent_state
  8954   8703  97%    0.18K    407       22      1628K vm_area_struct
  5888   4946  84%    0.03K     46      128       184K kmalloc-32
  5632   5632 100%    0.01K     11      512        44K kmalloc-8
  5049   4905  97%    0.08K     99       51       396K anon_vma
  4352   4352 100%    0.02K     17      256        68K kmalloc-16
  3723   3723 100%    0.05K     51       73       204K Acpi-Parse
  3230   3230 100%    0.05K     38       85       152K ftrace_event_field
  3213   2949  91%    0.19K    153       21       612K kmalloc-192
  3120   3090  99%    0.61K    120       26      1920K proc_inode_cache
  2814   2814 100%    0.09K     67       42       268K kmalloc-96
  1984   1510  76%    1.00K     62       32      1984K kmalloc-1024
  1904   1904 100%    0.07K     34       56       136K Acpi-Operand
  1472   1472 100%    0.09K     32       46       128K trace_event_file
  1224   1224 100%    0.04K     12      102        48K Acpi-Namespace
  1152   1152 100%    0.64K     48       24       768K shmem_inode_cache
   592    581  98%    2.00K     37       16      1184K kmalloc-2048
   528    457  86%    0.36K     24       22       192K blkdev_requests
   462    355  76%    0.38K     22       21       176K mnt_cache
   450    433  96%    1.06K     15       30       480K signal_cache
   429    429 100%    0.20K     11       39        88K btrfs_delayed_ref_head
   420    420 100%    2.05K     28       15       896K idr_layer_cache
   408    408 100%    0.04K      4      102        16K btrfs_delayed_extent_op
   400    400 100%    0.62K     16       25       256K sock_inode_cache
   364    364 100%    0.30K     14       26       112K btrfs_delayed_node
   351    351 100%    0.10K      9       39        36K buffer_head
   345    312  90%    2.06K     23       15       736K sighand_cache
   318    298  93%    5.25K     53        6      1696K task_struct
   256    256 100%    0.06K      4       64        16K kmem_cache_node
   256    256 100%    0.02K      1      256         4K jbd2_revoke_table_s