Wednesday, November 8, 2017

How to read Cisco CPU utilization?

I have a router that when I do a 'show processes cpu history' is showing for the last 24 hours my CPU utilization at ~90-95%. I know how to read that graph fairly easily.

When I do a 'show processes cpu sorted' however, it's showing me a chart that I don't understand, because even the biggest hit (PID 140) is only taking up 2.17% CPU utilization, and a few lines later it MIGHT add up to 8-10%

Why the discrepancy? Does anyone have a napkin drawing to show how to read the output of the 'show processes cpu sorted' command? Thanks.



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