| .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>. |