% CPU in ps command

Source: Internet
Author: User
The meaning of % CPU in the ps command-Linux general technology-Linux programming and kernel information. The following is a detailed description. In the ps command, % CPU refers to the percentage of CPU usage time of a process. What does it mean?

The man manual of ps is explained as follows:
CODE: cpu utilization of the process in "##.. #" format.
Currently, it is the CPU time used divided by the time
Process has been running (cputime/realtime ratio ),
Expressed as a percentage. It will not add up to 100%
Unless you are lucky. (alias pcpu ).
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