Il est possible de suivre la consommation mémoire d'un système Linux à l'aide de la commande 'slabtop'.
Exemple :
# slabtop
Active / Total Objects (% used) : 3051966 / 3073118 (99.3%)
Active / Total Slabs (% used) : 223976 / 223982 (100.0%)
Active / Total Caches (% used) : 101 / 183 (55.2%)
Active / Total Size (% used) : 856205.65K / 862530.44K (99.3%)
Minimum / Average / Maximum Object : 0.02K / 0.28K / 4096.00K
OBJS ACTIVE USE OBJ SIZE SLABS OBJ/SLAB CACHE SIZE NAME
2432920 2432824 99% 0.19K 121646 20 486584K dentry
350536 350513 99% 0.98K 87634 4 350536K ext4_inode_cache
42775 42114 98% 0.06K 725 59 2900K size-64
39963 38254 95% 0.05K 519 77 2076K anon_vma_chain
38285 37949 99% 0.20K 2015 19 8060K vm_area_struct
27202 27099 99% 0.05K 406 67 1624K anon_vma
20832 20686 99% 0.03K 186 112 744K size-32
12015 11973 99% 0.14K 445 27 1780K sysfs_dir_cache
11580 11344 97% 0.12K 386 30 1544K size-128
10125 8686 85% 0.25K 675 15 2700K filp
10115 3480 34% 0.55K 1445 7 5780K radix_tree_node
9504 9370 98% 0.64K 1584 6 6336K proc_inode_cache
9381 9276 98% 0.07K 177 53 708K Acpi-Operand
8798 8710 98% 0.07K 166 53 664K selinux_inode_security
7544 7474 99% 0.04K 82 92 328K Acpi-Namespace
7398 7341 99% 0.58K 1233 6 4932K inode_cache
4980 1524 30% 0.19K 249 20 996K cred_jar
2880 2253 78% 0.25K 192 15 768K skbuff_head_cache
2640 2629 99% 0.19K 132 20 528K size-192
2442 1654 67% 0.10K 66 37 264K buffer_head
2420 2404 99% 2.00K 1210 2 4840K size-2048
1880 1689 89% 1.00K 470 4 1880K size-1024
1380 1131 81% 0.12K 46 30 184K pid
1264 1243 98% 0.50K 158 8 632K size-512
1190 888 74% 0.11K 35 34 140K task_delay_info
999 799 79% 0.81K 111 9 888K task_xstate
786 745 94% 2.61K 262 3 2096K task_struct
770 753 97% 0.77K 154 5 616K shmem_inode_cache
767 260 33% 0.06K 13 59 52K tcp_bind_bucket
649 536 82% 0.06K 11 59 44K fs_cache
590 539 91% 0.69K 118 5 472K sock_inode_cache
555 483 87% 0.25K 37 15 148K size-256
525 499 95% 1.06K 75 7 600K signal_cache
495 480 96% 2.06K 165 3 1320K sighand_cache