$ ps -elx|sort -k 10b,10rn|more
F S UID PID PPID C PRI NI ADDR SZ WCHAN TTY TIME COMD
1401 S 113 6938 1 0 154 20 e000000163528680 9728 e000000149c7d080 ? 465:09 ora_s000_mydb
1401 S 113 6083 1 0 154 20 e0000001bcc40400 9620 e0000001674f6ee8 ? 0:00 oraclemydb (LOCAL=NO)
1401 S 113 6940 1 0 154 20 e0000001635c5100 9147 e000000149c7d080 ? 3:13 ora_d000_mydb
1401 S 113 6932 1 0 156 20 e0000001636fc700 9103 e000000167e27128 ? 2:40 ora_smon_mydb
1401 S 113 6926 1 0 156 20 e000000163664980 9012 e000000167e270f8 ? 25:24 ora_dbw0_mydb
1401 S 113 6934 1 0 156 20 e00000016362a700 8992 e000000167e27138 ? 0:02 ora_reco_mydb
1401 S 113 6924 1 0 154 20 e00000016340b700 8979 e000000149c7d080 ? 9:48 ora_pmon_mydb
1401 S 113 6936 1 0 156 20 e00000016348ba00 8967 e000000167e27148 ? 12:17 ora_cjq0_mydb
1401 S 113 6930 1 0 156 20 e000000163370980 8938 e000000167e27118 ? 12:59 ora_ckpt_mydb
1401 S 113 6928 1 0 156 20 e0000001634d6980 8924 e000000167e27108 ? 9:48 ora_lgwr_mydb
2541 R 0 6003 1 0 -16 10 e0000001a7370d00 4271 - ? 0:22 /opt/perf/bin/midaemon
2401 S 113 5999 5798 0 154 10 e0000001bb0fba00 1016 e00000018409c800 pts/0 0:19 glance
541 R 0 1 0 0 152 20 e00000010853e380 574 - ? 0:10 init
1401 S 113 6961 1 0 154 20 e000000163945a00 552 e000000149c7d080 ? 1:02 /oracle92/product/9.2.0/bin/tnslsnr LISTENER -inherit
1401 S 0 6088 1564 0 154 20 e0000001b1098980 491 e00000030f73fe68 ? 0:00 sshd: oracle [priv]
3401 S 113 6090 6088 0 154 20 e0000001b2c90100 491 e000000149c7d080 ? 0:00 sshd: oracle@pts/1
3401 S 127 6333 6331 0 154 20 e0000001c2b09d00 487 e000000149c7d080 ? 0:00 sshd: myuser@pts/2
1401 S 0 6331 1564 0 154 20 e0000001c8a15d00 471 e00000014eeffee8 ? 0:00 sshd: myuser [priv]
1401 S 0 6605 1564 0 154 20 e0000001ac0fc980 471 e000000164a63568 ? 0:00 sshd: otherusr [priv]
3401 S 12 6617 6605 0 154 20 e0000001b550c680 471 e000000149c7d080 ? 0:00 sshd: otherusr@pts/3
3401 S 113 5794 5791 0 154 20 e0000001b8695380 466 e000000149c7d080 ? 0:00 sshd: oracle@pts/0
$ top
System: myserver Fri Apr 8 10:37:43 2011
Load averages: 0.02, 0.12, 0.34
182 processes: 141 sleeping, 41 running
Cpu states:
CPU LOAD USER NICE SYS IDLE BLOCK SWAIT INTR SSYS
0 0.02 0.2% 0.0% 0.2% 99.6% 0.0% 0.0% 0.0% 0.0%
--- ---- ----- ----- ----- ----- ----- ----- ----- -----
avg 0.02 0.2% 0.0% 0.2% 99.6% 0.0% 0.0% 0.0% 0.0%
System Page Size: 4Kbytes
Memory: 1151700K (788492K) real, 3840196K (2936972K) virtual, 26556K free Page# 1/14
CPU TTY PID USERNAME PRI NI SIZE RES STATE TIME %WCPU %CPU COMMAND
0 ? 27479 root 152 20 264M 20128K run 95:34 0.34 0.34 agctrlcell
0 ? 6938 oracle 154 20 1973M 4444K sleep 465:16 0.32 0.31 ora_s000_mydb
0 ? 2731 root 152 20 155M 7928K run 4:22 0.31 0.31 vxpal
0 ? 75 root 152 20 17208K 15296K run 44:50 0.29 0.29 vxfsd
0 ? 2666 root 152 20 112M 4332K run 1:30 0.29 0.29 vxsvc
0 ? 27475 root 152 20 694M 15332K run 84:10 0.29 0.29 evtcell
0 ? 3532 root 168 20 11700K 592K sleep 307:47 0.29 0.29 utild
0 ? 2357 root 152 20 26072K 1880K run 0:29 0.14 0.14 rpcd
0 ? 3021 root 152 20 92272K 2296K run 0:09 0.14 0.14 vxpal
0 ? 3078 root 152 20 99636K 1568K run 0:08 0.14 0.14 vxpal
0 ? 3197 root 152 20 25832K 1612K run 0:54 0.14 0.14 swagentd
$ glance
C - cum/interval toggle Page 1 of 2
ProcList CPU Rpt Mem Rpt Disk Rpt NextKeys SlctProc Help Exit
Glance C.04.70.001 10:31:24 myserver ia64 Current Avg High
------------------------------------------------------------------------------------------------------------------------------------------------------
CPU Util SSU U | 5% 32% 86%
Disk Util F | 1% 30% 77%
Mem Util S SU U | 99% 100% 100%
Swap Util U UR R | 26% 26% 26%
------------------------------------------------------------------------------------------------------------------------------------------------------
MEMORY REPORT Users= 4
Event Current Cumulative Current Rate Cum Rate High Rate
--------------------------------------------------------------------------------
Page Faults 0 7593 0.0 12.5 548.6
Page In 0 5149 0.0 8.4 350.8
Page Out 0 56 0.0 0.0 1.3
KB Paged In 0kb 20.1mb 0.0 33.9 7455.2
KB Paged Out 0kb 224kb 0.0 0.3 5.4
Reactivations 0 0 0.0 0.0 0.0
Deactivations 0 0 0.0 0.0 0.0
KB Deactivated 0kb 0kb 0.0 0.0 0.0
VM Reads 0 435 0.0 0.7 33.1
VM Writes 0 0 0.0 0.0 0.0
Total VM : 3.6gb Sys Mem : 2.6gb User Mem: 924mb Phys Mem : 3.7gb
Active VM: 2.3gb Buf Cache: 1mb Free Mem: 25mb FileCache: 215mb
MemFS Blk Cnt: 0 MemFS Swp Cnt: 0
ProcList CPU Rpt Mem Rpt Disk Rpt NextKeys SlctProc Help Exit
$ vmstat 10
procs memory page faults cpu
r b w avm free re at pi po fr de sr in sy cs us sy id
3 1 0 667747 14981 1 0 7 10 1 0 34 297 2178 238 3 1 96
1 1 0 562145 14956 4 0 12 0 0 0 0 221 644 139 1 1 98
1 1 0 762287 14964 0 0 0 0 0 0 0 133 545 97 1 0 98
1 1 0 761304 14980 0 0 0 0 0 0 0 118 451 87 0 0 100
1 1 0 550784 14964 0 0 0 0 0 0 0 118 387 88 0 0 100
Also, if you have root access you can check memory usage with swapinfo, sam and in /dev/mem like this (example from a different server):
# swapinfo -tm
Mb Mb Mb PCT START/ Mb
TYPE AVAIL USED FREE USED LIMIT RESERVE PRI NAME
dev 8192 490 3606 6% 0 - 1 /dev/vg00/lvol2
reserve - 2986 -2986
memory 3016 2780 236 92%
total 11208 6256 856 56% - 0 -
# echo phys_mem_pages/D | adb -k /stand/vmunix /dev/mem
phys_mem_pages:
phys_mem_pages: 1048064
# sam
┌ System Properties (MYSERVR) ┐
│┌────────────────────────────────────────┐│
││ ^│
││ [ Refresh ] │
││ │
││ ┌─────┐┌────┐┌─────────┐┌─────┐┌────┐ │
││ │ Processor ││ Memory ││ Operating System ││ Network ││ Dynamic │ │
││ ┌───────/ \──────────────────────────┐ │
││ │┌────────────────────────────────────┐│ │
││ ││Physical Memory: 4097.7 MB ││ │
││ ││Real Memory: ││ │
││ ││ Active: 954731.6 KB ││ │
││ ││ Total: 1318838.6 KB ││ │
││ ││Virtual Memory: ││ │
││ ││ Active: 1850220.6 KB ││ │
││ ││ Total: 2375723.8 KB ││ │
││ ││Free Memory Pages: 21640 at 4 KB/page ││ │
││ ││Swap Space: ││ │
││ ││ Avail: 8192 MB ││ │
││ ││ Used: 3461 MB ││v│
│└────────────────────────────────────────┘│
│──────────────────────────────────────────│
│ [ OK ] [ Help ] │
└──────────────────────────────────────────┘
More Information:
Memory Usage (What is using all of the memory?)
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