powertop --version (return code: 0)
PowerTOP version v2.8, compiled on Apr 12 2017
powertop --help (return code: 0)
Usage: powertop [OPTIONS]
--auto-tune sets all tunable options to their GOOD setting
-c, --calibrate runs powertop in calibration mode
-C, --csv[=filename] generate a csv report
--debug run in "debug" mode
--extech[=devnode] uses an Extech Power Analyzer for measurements
-r, --html[=filename] generate a html report
-i, --iteration[=iterations] number of times to run each test
-q, --quiet suppress stderr output
-t, --time[=seconds] generate a report for 'x' seconds
-w, --workload[=workload] file to execute for workload
-V, --version print version information
-h, --help print this help menu
For more help please refer to the 'man 8 powertop'