.TH POWERTOP 8 "June 1, 2012" "Linux" "powertop manual"
.SH NAME
powertop \- a power consumption and power management diagnosis tool.
.SH SYNOPSIS
.B powertop
.RB [
.IR options
.RB ]
.SH DESCRIPTION
.P
\fBpowertop\fP 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.
.SH OPTIONS
.TP
\fB\-\-csv[\fR=\fIFILENAME\fR]
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.
.TP
\fB\-\-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.
.TP
\fB\-\-debug
 run in "debug" mode.
.TP
\fB\-\-extech\fR=\fIdevnode\fR
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.
.TP
\fB\-\-help
 show the help message.
.TP
\fB\-\-html[\fR=\fIFILENAME\fR]
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.
.TP
\fB\-\-iteration[\fR=\fIiterations\fR]
number of times to run each test.
.TP
\fB\-\-time[\fR=\fIseconds\fR]
generate a report for a specified number of seconds.
.TP
\fB\-\-version
print version information and exit.
.SH BUGS
Send bug reports to <powertop@lists.01.org>
.SH SEE ALSO
The program is more fully described at https://01.org/powertop
.SH 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>.