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
connecting 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.ferron@linux.intel.com>.