How is "CPU Usage" calculated by the cdm probe For Tru64 UNIX-based systems?

Document ID : KB000014007
Last Modified Date : 14/02/2018
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Introduction:

Introduction:

Describe how CPU usage is calculated on Tru64 UNIX-based systems.

Question:

Question:

How is "CPU Usage" calculated by the cdm probe For Tru64 UNIX-based systems?

Environment:
Environment: CDM 6.0 or higher; Tru64 UNIX
Answer:

Answer:

--  The CPU usage information is found by running the command “/usr/sbin/collect -s c -t -i” in a separate thread and parsing the data it provides.

 --  The load data is found using the system call table(). Based on the data gathering interval either the 1, 5 or 15 minute average is used.