longrun(4)
NAME
longrun - Transmeta(TM) Crusoe(TM) LongRun(TM) support
SYNOPSIS
LongRun support is a collection of power saving modes for the Transmeta Crusoe chips, similar in scope to Intel's SpeedStep. The following sysctl(8) MIBs control the different CPU modes: Name Type Changeable
Description
- hw.crusoe.longrun integer yes
- LongRun mode:
- 0:
- minimum
fre - quency mode
1: - power-saving
mode
2: - performance
mode
3: - maximum
fre - quency mode
- hw.crusoe.frequency integer no
- Current
- fre
- quency (MHz).
- hw.crusoe.voltage integer no
- Current voltage
- (mV).
- hw.crusoe.percentage integer no
- Processing
- per
- formance (%).
EXAMPLES
- Print the current status:
- % sysctl hw.crusoe
- To set LongRun mode to performance oriented variable fre
- quency mode (less
power savings):
# sysctl hw.crusoe.longrun=2
HISTORY
- The Transmeta(TM) Crusoe(TM) LongRun(TM) support first ap
- peared in
FreeBSD 4.4.
AUTHORS
- LongRun support and this manual page were written by Tamotsu
- HATTORI
<athlete@kta.att.ne.jp> and Mitsuru IWASAKI <iwasaki@FreeB - SD.org>.
- BSD June 30, 2001