FG

How to tell which process is hogging my CPU when they don't add up to 100%?

Fresh3 days ago
Mar 15, 202611688 views
Confidence Score0%
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Problem

Ubuntu's System Monitor applet shows 100% CPU usage continuously. If I click it, the resources tab shows it at 100% continuously, too. If I go to processes, though, to find out which process is the culprit, there is nothing above 10%. If I run top there is nothing above 10%. The individual processe…

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Fix for: How to tell which process is hogging my CPU when they don't add up to 100%?

Low Risk

When you say "nothing above 10%" do you mean "no one thing above 10%"? It only takes 11 things at ~9% to hit 100% in total. Also, some of the measured used CPU time could be I/O wait time - time in which a process could be doing something but isn't …

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