POWERTOP(8)powertop manual POWERTOP(8)NAMEpowertop - a power consumption and power management diagnosis tool.
SYNOPSISpowertop [ options ]
DESCRIPTIONpowertop 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--calibrate
runs powertop in calibration mode. When running on battery, pow‐
ertop 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.
--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.
--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.
--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@lists.01.org>
SEE ALSO
The program is more fully described at https://01.org/powertop
AUTHORpowertop 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)