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Diffstat (limited to 'share/man/man4/man4.i386/longrun.4')
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diff --git a/share/man/man4/man4.i386/longrun.4 b/share/man/man4/man4.i386/longrun.4 new file mode 100644 index 000000000000..b9bfc66c5e21 --- /dev/null +++ b/share/man/man4/man4.i386/longrun.4 @@ -0,0 +1,67 @@ +.\" Copyright (c) 2001 Tamotsu HATTORI <athlete@kta.att.ne.jp> +.\" Copyright (c) 2001 Mitsuru IWASAKI <iwasaki@FreeBSD.org> +.\" All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" $FreeBSD$ +.Dd June 30, 2001 +.Dt LONGRUN 4 i386 +.Os +.Sh NAME +.Nm longrun +.Nd Transmeta(TM) Crusoe(TM) LongRun(TM) support +.Sh SYNOPSIS +LongRun support is a collection of power saving modes for the +Transmeta Crusoe chips, similar in scope to Intel's SpeedStep. +The following +.Xr sysctl 8 +MIBs control the different CPU modes: +.Bl -column ".Va hw.crusoe.percentage" ".Vt integer" "Changeable" +.It Sy "Name Type Changeable Description" +.It Va hw.crusoe.longrun Ta Vt integer Ta yes Ta "LongRun mode:" +.It Ta Ta Ta "0: minimum frequency mode" +.It Ta Ta Ta "1: power-saving mode" +.It Ta Ta Ta "2: performance mode" +.It Ta Ta Ta "3: maximum frequency mode" +.It Va hw.crusoe.frequency Ta Vt integer Ta no Ta "Current frequency (MHz)." +.It Va hw.crusoe.voltage Ta Vt integer Ta no Ta "Current voltage (mV)." +.It Va hw.crusoe.percentage Ta Vt integer Ta no Ta "Processing performance (%)." +.El +.Sh EXAMPLES +Print the current status: +.Pp +.Dl "% sysctl hw.crusoe" +.Pp +To set LongRun mode to performance oriented variable frequency mode +(less power savings): +.Pp +.Dl "# sysctl hw.crusoe.longrun=2" +.Sh HISTORY +The Transmeta(TM) Crusoe(TM) LongRun(TM) support first appeared in +.Fx 4.4 . +.Sh 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 . |