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How CPU IOWAIT parameter is calculated for CDM probe for Linux ENV

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Article ID: 226327

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Updated On:

Products

CA Unified Infrastructure Management On-Premise (Nimsoft / UIM)

Issue/Introduction

CDM probe has a QOS parameter called CPU IOWAIT. On Linux environment how CDM probe collect that data and calculate it? 

 

 

Environment

Release : 20.3

Component : UIM - CDM WITH IOSTAT (All version)

Resolution

Linux machine, "/proc/stat" file will have all cpu related information and the probe reads this file to retrieve the IOWAIT information.

For more about "/proc/stat" , Please check the below KB

https://knowledge.broadcom.com/external/article?articleId=34673