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Question by Ken B. · Oct 18, 2014 at 06:29 AM ·

CPU usage on a Linux Server

When i run the TOP command on the server

Cpu(s): 14.4%us,  1.1%sy,  0.0%ni, 80.6%id,  0.1%wa,  0.2%hi,  3.6%si,  0.0%st

DCRUM says: 38%

Dynatrace Plugin (Host Performance–>Unix Monitor–> AMD Monitor–>Unix CPU Usage) When i display all 5 counters (I/O Wait Time, Idle Time, Processor Time, System Time and User Time) the total usage is at 22%

 

So my question is, why are they all different and how can i get just the CPU % by itself without having to add all 5 counters in?

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Answer by Ramon F. · Oct 20, 2014 at 11:11 PM

Can be the time between the data, for example dynaTrace do the agragation for every 10 sec and DCRUM 5 minutes (example!) That what I guess, and already seen in others tools.

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Answer by Andreas G. · Oct 19, 2014 at 07:00 AM

Do you have an agent running on that Linux Server? If not - can you install a Host Monitoring Agent? This agent (as any other Java, .NET, Web Server, ... ) will automatically capture CPU Usage of the whole Host - presented as a single measure.

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