Section: powertop manual (8)
Updated: June 1, 2012
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powertop - a power consumption and power management diagnosis tool.
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.
:--calibrate <DD CLASS="c2|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.:
:--debug <DD CLASS="c2|
run in "debug" mode.:
:--help <DD CLASS="c2|
show the help message.:
:--quiet <DD CLASS="c2|
suppress stderr output.:
:--version <DD CLASS="c2|print version information and exit.:
In interactive mode, the following key bindings are available:
:Tab <DD CLASS="c2|Show next tab:
:BackTab <DD CLASS="c2|Show previous tab:
:Right Arrow <DD CLASS="c2|Scroll to the right:
:Left Arrow <DD CLASS="c2|Scroll to the left:
:Up Arrow, PageUp <DD CLASS="c2|Scroll up or select previous item:
:Down Arrow, PageDown <DD CLASS="c2|Scroll down or select next item:
:Space, Return <DD CLASS="c2|Activate current item:
:s <DD CLASS="c2|Set refresh timeout:
:r <DD CLASS="c2|Refresh window:
:q, Ctrl-C, Escape <DD CLASS="c2|Exit powertop:
Send bug reports to <powertop@lists.01.org>
The program is more fully described at https://01.org/powertop
powertop was written by Arjan van de Ven <arjan@linux.intel.com>, and is currently maintained by Chris E Ferron <chris.e.ferron@linux.intel.com>.
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