CPU/SystemLoadAverage这些参数可以帮助我们了解系统的运行情况，那么在Ubuntu如何查看CPU/SystemLoadAverage呢？
有很多方法可以得到这些参数信息：
1.uptime
Theuptimecommandgivesinformationonsystemloadaveragesforthepast1,5,and15minutes:
[root@ubuntu5laida]#uptime
11:25:29up4days,11:56,15users,loadaverage:0.00,0.00,0.00
2.w
Thewcommandshowswhoisloggedonandwhattheyaredoing,includingsystemloadaveragesforthepast1,5,and15minutes.
[root@ubuntu5laida]#w
11:26:51up400days,11:58,1users,loadaverage:0.00,0.00,0.00
USERTTYFROMLOGIN@IDLEJCPUPCPUWHAT
5laidapts/0192.168.1.11511:110.00s0.00s0.00s/usr/sbin/sshd
3./proc/loadavg
The/proc/loadavgfilecontainsinformationonthesystemload.Mostlikelytheuptime/wcommandsutilizethisinformation.Thefirst3valuescontainsystemloadaveragesforthepast1,5,and15minutes.
[root@ubuntu5laida]#cat/proc/loadavg
0.000.000.391/4915352
还有其他的一些方法来得到这些参数信息，不过这些是最常用的。
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