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Home > Success Center > Server & Application Monitor (SAM) > SAM - Knowledgebase Articles > Linux CPU Monitoring Perl showing incorrect values

Linux CPU Monitoring Perl showing incorrect values

Created by William Muhle, last modified by Rodim Suarez_ret on Apr 10, 2017

Views: 259 Votes: 0 Revisions: 3

Updated April 10, 2017

Overview

The SAM Linux CPU Monitoring - Perl template and it shows the CPU information or values as incorrect (or does not change between polling).

Environment

All SAM versions

Detail 

The vmstat (which PERL uses to pull the information) does not report the actual value of the CPU, therefore the values are not real time. It reports instead a rolling average. This is by design and limitation within vmstat and not of SAM.

 

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