转自：http://hi.baidu.com/%CC%D8%B0%AE%C0%B6%C1%AB%BB%A8/blog/item/5b4856122dfabd5e43a9ade7.html

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top - 13:37:58 up 51 days, 20:48, 2 users, load average: 0.05, 0.03, 0.02
Tasks: 290 total, 1 running, 289 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 6096544k total, 4587432k used, 1509112k free, 437192k buffers
Swap: 8385888k total, 0k used, 8385888k free, 2846684k cached

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
22140 oracle 15 0 1694m 1.2g 1.1g S 0.0 19.8 1:20.40 oracle
22150 oracle 15 0 1688m 944m 936m S 0.0 15.9 0:30.19 oracle
22138 oracle 15 0 1681m 937m 934m S 0.0 15.7 0:02.14 oracle
4920 oracle 15 0 1686m 916m 908m S 0.0 15.4 3:14.46 oracle
4922 oracle 15 0 1686m 876m 868m S 0.0 14.7 2:17.30 oracle
4916 oracle 15 0 1686m 814m 806m S 0.0 13.7 1:55.11 oracle
22146 oracle 15 0 1686m 753m 745m S 0.0 12.7 0:31.55 oracle