PowerTOP is a software utility designed to measure, explain and minimize a computer’s electrical power consumption

Step1. Install the package

yum install powertop

Step2. Run commands

powertop

Note:: press q for quit

Step3. Calibrate mode

powertop --calibrate

Step4. HTML mode

powertop --html[=FILENAME]

Step5. Access via browser

file:///root/powertop.html

Step6. Debug mode

powertop –debug

Step6. Debug mode

powertop –debug

Step8. Workload mode

powertop --workload[=WORKLOAD]

Step9. CSV mode

powertop --csv[=FILENAME]
powertop --csv=powertop_report.txt --time=20s

Step10. review the file

cat powertop_report.csv

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