powertop (8) - Linux Manuals

powertop: a power consumption and power management diagnosis tool.

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 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[FILENAME], --csv[=FILENAME]

generate a CSV report. If a filename is not specified then the default name "powertop.csv" is used. If filename is "-" then STDOUT is used. The CSV report can be used for reporting and data analysis.

-d[FILENAME], --dump[=FILENAME]

generate a plain text report. If a filename is not specified or it is "-" then STDOUT is used.

--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.

-r[FILENAME], --html[=FILENAME]

generate an HTML report. If a filename is not specified then the default name "powertop.html" is used. If filename is "-" then STDOUT is used. The HTML report can be sent to others to help diagnose power issues.

--iteration[=iterations]

number of times to run each test.

--workload[=workload]

file to execute for workload.

--quiet

 supress stderr output.

--time[=seconds]

generate a report for a specified number of seconds.

--version

print version information and exit.

BUGS

Send bug reports to <powertop [at] lists.01.org>

AUTHOR

powertop was written by Arjan van de Ven <arjan [at] linux.intel.com>, and is currently maintained by Chris E Ferron <chris.e.ferron [at] linux.intel.com>.