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[root@localhost utx86]# ps -aux | grep my_process
Warning: bad syntax, perhaps a bogus '-'? See /usr/share/doc/procps-3.2.7/FAQ
root   14415  3.4  0.9   37436  20328  pts/12   SL+  14:18   0:05 ./my_process
root   14464  0.0   0.0   3852   572    pts/3    S+   14:20   0:00 grep my_process
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USER   PID   %CPU %MEM  VSZ  RSS TTY  STAT   START  TIME   COMMAND
¼´my_process½ø³Ìµ±Ç°Õ¼ÓÃcpu 3.4%, ÄÚ´æ0.9%
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top -n 1ÏÔʾºóÍ˳ö
[root@localhost utx86]# top -n 1
top - 14:23:20 up  5:14, 14 users,  load average: 0.00, 0.04, 0.01
Tasks: 183 total,   1 running, 181 sleeping,   1 stopped,   0 zombie
Cpu(s):  1.8%us,  1.4%sy,  0.0%ni, 95.8%id,  0.7%wa,  0.1%hi,  0.2%si,  0.0%st
Mem:   2066240k total,  1507316k used,   558924k free,   190472k buffers
Swap:  2031608k total,       88k used,  2031520k free,  1087184k cached
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[root@localhost utx86]# top -n 1 |grep Cpu
Cpu(s):  1.9%us,  1.3%sy,  0.0%ni, 95.9%id,  0.6%wa,  0.1%hi,  0.2%si,  0.0%st
½âÊÍ£º1.9%usÊÇÓû§Õ¼ÓÃcpuÇé¿ö
      1.3%sy,ÊÇϵͳռÓÃcpuÇé¿ö
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[root@localhost utx86]# top -n 1 |grep Cpu | cut -d "," -f 1 | cut -d ":" -f 2
  1.9%us
[root@localhost utx86]# top -n 1 |grep Cpu | cut -d "," -f 2
  1.3%sy
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[root@localhost utx86]# top -n 1 |grep Mem
Mem:   2066240k total,  1515784k used,   550456k free,   195336k


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