vmstat -zで個数は表示してくれるけど消費バイト数がわからないので1行スクリプト:

vmstat -z | awk -F '[:,]' 'NF==7{ printf("%d (%d x %d) %s\n", $2*$4, $2, $4, $1) }' | sort -rn | less

手元の環境だとdnode_t(ZFSのinode_tに相当)がいちばん多い。

277764144 (784 x 354291) dnode_t

177639424 (512 x 346952) 512

142510992 (208 x 685149) arc_buf_hdr_t

119323168 (568 x 210076) UMA Slabs

101736544 (224 x 454181) dmu_buf_impl_t

101142528 (4096 x 24693) 4096

49256000 (1048 x 47000) 128 Bucket

26031616 (128 x 203372) 128

20369408 (2048 x 9946) 2048

14091840 (480 x 29358) VNODE

9975680 (352 x 28340) zfs_znode_cache

8312832 (72 x 115456) arc_buf_t

7118848 (256 x 27808) 256

6109184 (64 x 95456) 64

4051080 (120 x 33759) KMAP ENTRY

3239936 (1024 x 3164) 1024

3128976 (108 x 28972) S VFS Cache

2621440 (2048 x 1280) mbuf_cluster

2139480 (216 x 9905) VM OBJECT

908400 (120 x 7570) MAP ENTRY

662032 (2056 x 322) mt_zone

657720 (1080 x 609) THREAD

535624 (568 x 943) UMA RCntSlabs

288384 (16 x 18024) 16

193120 (680 x 284) socket

187136 (256 x 731) FFS2 dinode

175840 (1120 x 157) PROC

175616 (896 x 196) UMA Zones

122880 (12288 x 10) nv_stack_t

122808 (168 x 731) FFS inode

119272 (136 x 877) TURNSTILE

104064 (32 x 3252) 32

99760 (80 x 1247) Files

89512 (536 x 167) 64 Bucket

76928 (128 x 601) KNOTE

70160 (80 x 877) SLEEPQUEUE

65536 (256 x 256) mbuf_packet

61936 (112 x 553) VNODEPOLL

55200 (160 x 345) ttyinq

50232 (728 x 69) pipe

47520 (240 x 198) unpcb

46400 (400 x 116) VMSPACE

45056 (256 x 176) ttyoutq

42840 (280 x 153) 32 Bucket

41048 (56 x 733) selfd

40768 (208 x 196) UMA Kegs

36512 (112 x 326) ksiginfo

34320 (880 x 39) tcpcb

23944 (328 x 73) L VFS Cache

21280 (760 x 28) Mountpoints

20480 (256 x 80) UMA Hash

20480 (1024 x 20) DIRHASH

15240 (120 x 127) SG fakepg

14448 (336 x 43) udp_inpcb

13104 (336 x 39) tcp_inpcb

12920 (152 x 85) 16 Bucket

7752 (136 x 57) hostcache

4400 (200 x 22) rtentry

2560 (256 x 10) mbuf

1624 (232 x 7) MAP

1400 (200 x 7) zil_lwb_cache

816 (816 x 1) zio_cache

728 (56 x 13) ip4flow

688 (16 x 43) udpcb

344 (344 x 1) itimer

144 (72 x 2) cpuset