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
