powertop - a power consumption and power management diagnosis tool.

       powertop was written by Arjan van de Ven, and is currently maintained by Chris E Ferron.

powertop manual                                    2014-08-02                                        POWERTOP(8)

       Send bug reports to powertop@lists.01.org

       In interactive mode, the following key bindings are available:

              Tab                    Show next tab
              BackTab                Show previous tab
              RightArrow            Scroll to the right
              LeftArrow             Scroll to the left
              UpArrow, PageUp       Scroll up or select previous item
              DownArrow, PageDown   Scroll down or select next item
              Space, Return          Activate current item
              s                      Set refresh timeout
              r                      Refresh window
              q, Ctrl-C, Escape      Exit powertop

powertop  is a program that helps to diagnose various issues with power consumption and power management.
       It also has an interactive mode allowing one to experiment with various power management settings.   When
       invoking powertop without arguments powertop starts in interactive mode.

       powertop - a power consumption and power management diagnosis tool.

--auto-tune
              Set all tunable options to their good setting without interaction.

       -c, --calibrate
              Runs  powertop in calibration mode.  When running on battery, powertop can track power consumption
              as well as system activity.  When there are enough measurements,  powertop  can  start  to  report
              power estimates.  One can get more accurate estimates by using this option to enable a calibration
              cycle.  This will cycle through various display levels and USB device activities and workloads.

       -C, --csv[=filename]
              Generate a CSV report.  If a filename is not specified then the default name powertop.csv is used.
              The CSV report can be used for reporting and data analysis.

       --debug
              Run in debug mode.

       --extech=devnode
              Use the Extech Power Analyzer for measurements.  This allows one to specify the serial device node
              of the serial to USB adaptor connecting to the Extech Power Analyzer, for example /dev/ttyUSB0.

       -r, --html[=filename]
              Generate  an  HTML  report.  If a filename is not specified then the default name powertop.html is
              used.  The HTML report can be sent to others to help diagnose power issues.

       -i, --iteration[=iterations]
              Number of times to run each test.

       -q, --quiet
              Suppress stderr output.

       -t, --time[=seconds]
              Generate a report for a specified number of seconds.

       -w, --workload[=workload]
              Execute workload file as a part of calibration before making a report.

       -V, --version
              Print version information and exit.

       -h, --help
              Show the help message and exit.

       The program is more fully described at https://01.org/powertop

powertop [options]