POWERTOP(8)               (2014-08-02)                POWERTOP(8)

     NAME
          powertop - a power consumption and power management
          diagnosis tool.

     SYNOPSIS
          powertop [options]

     DESCRIPTION
          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.

     OPTIONS
          --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 measure-
               ments, 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 activi-
               ties 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 speci-
               fied then the default name powertop.html is used.  The
               HTML report can be sent to others to help diagnose
               power issues.

          -i, --iteration[=iterations]

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     POWERTOP(8)               (2014-08-02)                POWERTOP(8)

               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.

     COMMANDS
          In interactive mode, the following key bindings are avail-
          able:

               tab(@); l l.  Tab@Show next tab BackTab@Show previous
               tab Right Arrow@Scroll to the right Left Arrow@Scroll
               to the left Up Arrow, PageUp@Scroll up or select previ-
               ous item Down Arrow, 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

     BUGS
          Send bug reports to

     SEE ALSO
          The program is more fully described at

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

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