slabtopq
介绍
slabtop展示内核实时的slab cache信息。
使用方式
slabtop -d
slabtop
Active / Total Objects (% used) : 3338395 / 3804494 (87.7%)
Active / Total Slabs (% used) : 98004 / 98004 (100.0%)
Active / Total Caches (% used) : 77 / 113 (68.1%)
Active / Total Size (% used) : 686579.71K / 747197.20K (91.9%)
Minimum / Average / Maximum Object : 0.01K / 0.20K / 15.88K
OBJS ACTIVE USE OBJ SIZE SLABS OBJ/SLAB CACHE SIZE NAME
2492451 2090208 83% 0.10K 63909 39 255636K buffer_head
425411 425411 100% 0.57K 15194 28 243104K radix_tree_node
109284 93563 85% 0.19K 2602 42 20816K dentry
61440 53404 86% 0.06K 960 64 3840K kmalloc-64
57035 55565 97% 0.05K 671 85 2684K shared_policy_node
56100 48070 85% 0.04K 550 102 2200K ext4_extent_status
51660 51660 100% 0.11K 1435 36 5740K sysfs_dir_cache
50787 43356 85% 1.02K 1641 31 52512K ext4_inode_cache
38106 38106 100% 0.05K 522 73 2088K uhci_urb_priv
31920 31692 99% 0.07K 570 56 2280K Acpi-ParseExt
28032 27776 99% 0.03K 219 128 876K jbd2_revoke_record_s
24995 23751 95% 0.58K 499 55 15968K inode_cache
23552 23552 100% 0.01K 46 512 184K kmalloc-8
23232 22976 98% 0.06K 363 64 1452K ext4_free_data
22596 21101 93% 0.19K 538 42 4304K kmalloc-192
21941 19370 88% 0.21K 593 37 4744K vm_area_struct
19606 17687 90% 0.64K 401 49 12832K proc_inode_cache
18240 16068 88% 0.12K 570 32 2280K kmalloc-128
16256 13650 83% 0.06K 254 64 1016K anon_vma
16128 14277 88% 0.02K 63 256 252K kmalloc-16
15792 14659 92% 0.09K 376 42 1504K kmalloc-96
15402 14804 96% 0.08K 302 51 1208K selinux_inode_security
13312 13200 99% 0.03K 104 128 416K kmalloc-32
12832 10100 78% 0.25K 401 32 3208K kmalloc-256
12138 11970 98% 0.62K 238 51 7616K sock_inode_cache
11883 11526 96% 0.31K 233 51 3728K nf_conntrack_ffffffff81a25e00
10728 10728 100% 0.11K 298 36 1192K jbd2_journal_head
7744 7344 94% 0.50K 242 32 3872K kmalloc-512
7684 7684 100% 0.12K 226 34 904K fsnotify_event
7200 6834 94% 1.00K 225 32 7200K kmalloc-1024
7176 6722 93% 0.81K 184 39 5888K task_xstate
7038 7038 100% 0.08K 138 51 552K ext4_io_end
6896 6340 91% 0.38K 168 42 2688K blkdev_requests
6552 6228 95% 0.44K 182 36 2912K scsi_cmd_cache
5440 5440 100% 0.02K 32 170 128K fsnotify_event_holder