1.\" Copyright (c) 2001 Tamotsu HATTORI <athlete@kta.att.ne.jp> 2.\" Copyright (c) 2001 Mitsuru IWASAKI <iwasaki@FreeBSD.org> 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. 10.\" 2. Redistributions in binary form must reproduce the above copyright 11.\" notice, this list of conditions and the following disclaimer in the 12.\" documentation and/or other materials provided with the distribution. 13.\" 14.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24.\" SUCH DAMAGE. 25.Dd June 30, 2001 26.Dt LONGRUN 4 i386 27.Os 28.Sh NAME 29.Nm longrun 30.Nd Transmeta(TM) Crusoe(TM) LongRun(TM) support 31.Sh SYNOPSIS 32LongRun support is a collection of power saving modes for the 33Transmeta Crusoe chips, similar in scope to Intel's SpeedStep. 34The following 35.Xr sysctl 8 36MIBs control the different CPU modes: 37.Bl -column ".Va hw.crusoe.percentage" ".Vt integer" "Changeable" 38.It Sy "Name Type Changeable Description" 39.It Va hw.crusoe.longrun Ta Vt integer Ta yes Ta "LongRun mode:" 40.It Ta Ta Ta "0: minimum frequency mode" 41.It Ta Ta Ta "1: power-saving mode" 42.It Ta Ta Ta "2: performance mode" 43.It Ta Ta Ta "3: maximum frequency mode" 44.It Va hw.crusoe.frequency Ta Vt integer Ta no Ta "Current frequency (MHz)." 45.It Va hw.crusoe.voltage Ta Vt integer Ta no Ta "Current voltage (mV)." 46.It Va hw.crusoe.percentage Ta Vt integer Ta no Ta "Processing performance (%)." 47.El 48.Sh EXAMPLES 49Print the current status: 50.Pp 51.Dl "% sysctl hw.crusoe" 52.Pp 53To set LongRun mode to performance oriented variable frequency mode 54(less power savings): 55.Pp 56.Dl "# sysctl hw.crusoe.longrun=2" 57.Sh HISTORY 58The Transmeta(TM) Crusoe(TM) LongRun(TM) support first appeared in 59.Fx 4.4 . 60.Sh AUTHORS 61.An -nosplit 62LongRun support and this manual page were written by 63.An Tamotsu HATTORI Aq Mt athlete@kta.att.ne.jp 64and 65.An Mitsuru IWASAKI Aq Mt iwasaki@FreeBSD.org . 66