linux-top（查看各进程cpu用量等）

Linux查看进程top 命令显示了当前正运行的进程以及关于它们的重要信息，包括它们的内存和 CPU 用量。

该列表既是真实时间的也是互动的。

要退出 top，按 [q] 键。

如：

wooya@wooya-pc:/work/MT7601u官方驱动/DPO_MT7601U_LinuxSTA_3.0.0.4_20130913$ top

top - 22:55:28 up 3 days,  4:52,  2 users,  load average: 0.00, 0.01, 0.05
Tasks: 178 total,   1 running, 176 sleeping,   0 stopped,   1 zombie
Cpu(s):  0.7%us,  0.7%sy,  0.0%ni, 98.7%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
Mem:   1024700k total,   902424k used,   122276k free,   212604k buffers
Swap:  1147896k total,    17000k used,  1130896k free,   244552k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND              
 1655 root      20   0  151m  88m  10m S    2  8.9   6:43.44 Xorg                 
 3998 wooya     20   0  153m  16m  11m S    1  1.7   0:33.21 gnome-terminal       
    3 root      20   0     0    0    0 S    0  0.0   0:12.42 ksoftirqd/0          
 1677 root      20   0 15832 3092 2900 S    0  0.3   0:05.78 accounts-daemon      
 2812 wooya     20   0  135m  14m 9.8m S    0  1.4   0:18.41 gnome-settings-      
 2842 wooya     20   0  453m  51m  26m S    0  5.2   4:09.69 unity-2d-shell       
 2868 wooya     20   0  167m  12m 9544 S    0  1.3   6:10.35 vmtoolsd             
 3063 wooya     20   0 96888  11m 7092 S    0  1.1   0:08.32 unity-applicati      
 4703 root      20   0     0    0    0 S    0  0.0   0:00.46 kworker/0:2          
 7044 wooya     20   0  2856 1172  872 R    0  0.1   0:00.92 top                  
    1 root      20   0  3652 1912 1264 S    0  0.2   0:01.18 init                 
    2 root      20   0     0    0    0 S    0  0.0   0:00.05 kthreadd             
    5 root      20   0     0    0    0 S    0  0.0   0:04.51 kworker/u:0          
    6 root      RT   0     0    0    0 S    0  0.0   0:00.23 migration/0          
    7 root      RT   0     0    0    0 S    0  0.0   0:02.34 watchdog/0           
    8 root      RT   0     0    0    0 S    0  0.0   0:01.00 migration/1          
wooya@wooya-pc:/work/MT7601u官方驱动/DPO_MT7601U_LinuxSTA_3.0.0.4_20130913$ q