Answers:
Irix / Solaris模式(man 1 top
):
<I> :Irix/Solaris_Mode_toggle
When operating in 'Solaris mode' ('I' toggled Off), a
task's cpu usage will be divided by the total number of
CPUs. After issuing this command, you'll be informed of
the new state of this toggle.
...
if 'Irix mode' is Off, top will operate in
'Solaris mode' where a task's cpu usage will be divided by the
total number of CPUs. You toggle 'Irix/Solaris' modes with the
'I' interactive command
可以说N
是CPU的总数。然后在Irix
模式下,%CPU
CPU使用率是否超出N * 100%
。在Solaris
模式下,%CPU
是%CPU in Irix mode
/ N
。
看到: Comprehending 'top' CPU usage
编辑:
用户总CPU时间为43%
我认为你已经忽略%的系统(CPU利用率的百分比在系统(内核)的水平。执行)的时间。尝试其他工具一样mpstat
,iostat
和sar
用于分析CPU利用率。