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NAME

longrun - Transmeta(TM) Crusoe(TM) LongRun(TM) support

CONTENTS

Synopsis
Examples
History
Authors

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 Vt integer yes "LongRun mode:"
"0: minimum frequency mode"
"1: power-saving mode"
"2: performance mode"
"3: maximum frequency mode"
hw.crusoe.frequency Vt integer no "Current frequency (MHz)."
hw.crusoe.voltage Vt integer no "Current voltage (mV)."
hw.crusoe.percentage Vt 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=2"

HISTORY

The Transmeta(TM) Crusoe(TM) LongRun(TM) support first appeared in
.Fx 4.4 .

AUTHORS


.An -nosplit LongRun support and this manual page were written by
.An Tamotsu HATTORI Aq
athlete@kta.att.ne.jp and
.An Mitsuru IWASAKI Aq iwasaki@FreeBSD.org .

June 30, 2001 LONGRUN (4)
shtml">manServer 1.07 from longrun.4 using doc macros.


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