SReclaimableとSUnreclaimを足すとSlabになる
[vagrant@localhost python]$ cat /proc/meminfo | grep “Slab\|claim”
Slab: 116948 kB
SReclaimable: 58056 kB
SUnreclaim: 58892 kB
slabの内訳。avtab_nodeが多いか。
[vagrant@localhost python]$ slabtop –once –sort=c | head -n 12
Active / Total Objects (% used) : 1312788 / 1350423 (97.2%)
Active / Total Slabs (% used) : 26234 / 26234 (100.0%)
Active / Total Caches (% used) : 98 / 183 (53.6%)
Active / Total Size (% used) : 97729.34K / 103000.36K (94.9%)
Minimum / Average / Maximum Object : 0.02K / 0.08K / 4096.00K
OBJS ACTIVE USE OBJ SIZE SLABS OBJ/SLAB CACHE SIZE NAME
27184 27184 100% 0.98K 6796 4 27184K ext4_inode_cache
640944 640732 99% 0.02K 4451 144 17804K avtab_node
417872 417265 99% 0.03K 3731 112 14924K size-32
117216 87569 74% 0.10K 3168 37 12672K buffer_head
182 182 100% 32.12K 182 1 11648K kmem_cache
[vagrant@localhost python]$ sync; echo 2 > /proc/sys/vm/drop_caches
-bash: /proc/sys/vm/drop_caches: 許可がありません
何いいいいいいいいいいいい
