LONGRUN(4FREEBSD) - Linux man page online | Special files
Transmeta(TM) Crusoe(TM) LongRun(TM) support.
Chapter
June 30, 2001
LONGRUN(4) BSD/i386 Kernel Interfaces Manual LONGRUN(4)
@kta.att.ne.jp>
and Mitsuru IWASAKI <
@FreeBSD.org>.
BSD June 30, 2001 BSD
NAME
longrun — Transmeta(TM) Crusoe(TM) LongRun(TM) supportSYNOPSIS
LongRun support is a collection of power saving modes for the Transmeta Crusoe chips, simi‐ lar 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 frequency mode 1: power-saving mode 2: performance mode 3: maximum frequency mode hw.crusoe.frequency integer no Current frequency (MHz). hw.crusoe.voltage integer no Current voltage (mV). hw.crusoe.percentage integer no Processing performance (%).EXAMPLES
Print the current status: % sysctl hw.crusoe To set LongRun mode to performance oriented variable frequency mode (less power savings): # sysctl hw.crusoe.longrun=2HISTORY
The Transmeta(TM) Crusoe(TM) LongRun(TM) support first appeared in FreeBSD 4.4.AUTHORS
LongRun support and this manual page were written by Tamotsu HATTORI <

This manual | Reference | Other manuals |
---|---|---|
longrun(4freebsd) | referred by | cpufreq(4freebsd) |
refer to | sysctl(8) |