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powertop

POWERTOP(8)							  powertop manual						       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

       --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.

       --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 levesl and USB device activities and workloads.

       --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  con-
	      necting to the Extech Power Analyzer, for example /dev/ttyUSB0.

       --help
	       show the help message.

       --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.

       --iteration[=iterations]
	      number of times to run each test.

       --time[=seconds]
	      generate a report for a specified number of seconds.

       --version
	      print version information and exit.

BUGS

       Send bug reports to <powertop@lists.01.org>

SEE ALSO

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

AUTHOR

       powertop was written by	Arjan  van  de	Ven  <arjan@linux.intel.com>,  and  is	currently  maintained  by  Chris  E  Ferron  <chris.e.fer-
       ron@linux.intel.com>.

Linux								   June 1, 2012 						       POWERTOP(8)