16cee4066SMitsuru IWASAKI.\" Copyright (c) 2001 Tamotsu HATTORI <athlete@kta.att.ne.jp> 26cee4066SMitsuru IWASAKI.\" Copyright (c) 2001 Mitsuru IWASAKI <iwasaki@FreeBSD.org> 36cee4066SMitsuru IWASAKI.\" All rights reserved. 46cee4066SMitsuru IWASAKI.\" 56cee4066SMitsuru IWASAKI.\" Redistribution and use in source and binary forms, with or without 66cee4066SMitsuru IWASAKI.\" modification, are permitted provided that the following conditions 76cee4066SMitsuru IWASAKI.\" are met: 86cee4066SMitsuru IWASAKI.\" 1. Redistributions of source code must retain the above copyright 96cee4066SMitsuru IWASAKI.\" notice, this list of conditions and the following disclaimer. 106cee4066SMitsuru IWASAKI.\" 2. Redistributions in binary form must reproduce the above copyright 116cee4066SMitsuru IWASAKI.\" notice, this list of conditions and the following disclaimer in the 126cee4066SMitsuru IWASAKI.\" documentation and/or other materials provided with the distribution. 136cee4066SMitsuru IWASAKI.\" 146cee4066SMitsuru IWASAKI.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 156cee4066SMitsuru IWASAKI.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 166cee4066SMitsuru IWASAKI.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 176cee4066SMitsuru IWASAKI.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 186cee4066SMitsuru IWASAKI.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 196cee4066SMitsuru IWASAKI.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 206cee4066SMitsuru IWASAKI.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 216cee4066SMitsuru IWASAKI.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 226cee4066SMitsuru IWASAKI.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 236cee4066SMitsuru IWASAKI.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 246cee4066SMitsuru IWASAKI.\" SUCH DAMAGE. 254b6c8c64SRuslan Ermilov.Dd June 30, 2001 266cee4066SMitsuru IWASAKI.Dt LONGRUN 4 i386 276cee4066SMitsuru IWASAKI.Os 286cee4066SMitsuru IWASAKI.Sh NAME 296cee4066SMitsuru IWASAKI.Nm longrun 306cee4066SMitsuru IWASAKI.Nd Transmeta(TM) Crusoe(TM) LongRun(TM) support 316cee4066SMitsuru IWASAKI.Sh SYNOPSIS 326cee4066SMitsuru IWASAKILongRun support is a collection of power saving modes for the 336cee4066SMitsuru IWASAKITransmeta Crusoe chips, similar in scope to Intel's SpeedStep. 346cee4066SMitsuru IWASAKIThe following 356cee4066SMitsuru IWASAKI.Xr sysctl 8 366cee4066SMitsuru IWASAKIMIBs control the different CPU modes: 373cdf42d2SRuslan Ermilov.Bl -column ".Va hw.crusoe.percentage" ".Vt integer" "Changeable" 383cdf42d2SRuslan Ermilov.It Sy "Name Type Changeable Description" 393cdf42d2SRuslan Ermilov.It Va hw.crusoe.longrun Ta Vt integer Ta yes Ta "LongRun mode:" 403cdf42d2SRuslan Ermilov.It Ta Ta Ta "0: minimum frequency mode" 413cdf42d2SRuslan Ermilov.It Ta Ta Ta "1: power-saving mode" 423cdf42d2SRuslan Ermilov.It Ta Ta Ta "2: performance mode" 433cdf42d2SRuslan Ermilov.It Ta Ta Ta "3: maximum frequency mode" 443cdf42d2SRuslan Ermilov.It Va hw.crusoe.frequency Ta Vt integer Ta no Ta "Current frequency (MHz)." 453cdf42d2SRuslan Ermilov.It Va hw.crusoe.voltage Ta Vt integer Ta no Ta "Current voltage (mV)." 463cdf42d2SRuslan Ermilov.It Va hw.crusoe.percentage Ta Vt integer Ta no Ta "Processing performance (%)." 476cee4066SMitsuru IWASAKI.El 486cee4066SMitsuru IWASAKI.Sh EXAMPLES 496cee4066SMitsuru IWASAKIPrint the current status: 503cdf42d2SRuslan Ermilov.Pp 513cdf42d2SRuslan Ermilov.Dl "% sysctl hw.crusoe" 526cee4066SMitsuru IWASAKI.Pp 536cee4066SMitsuru IWASAKITo set LongRun mode to performance oriented variable frequency mode 546cee4066SMitsuru IWASAKI(less power savings): 553cdf42d2SRuslan Ermilov.Pp 56e21a315eSRuslan Ermilov.Dl "# sysctl hw.crusoe.longrun=2" 579cbda590SRuslan Ermilov.Sh HISTORY 589cbda590SRuslan ErmilovThe Transmeta(TM) Crusoe(TM) LongRun(TM) support first appeared in 599cbda590SRuslan Ermilov.Fx 4.4 . 606cee4066SMitsuru IWASAKI.Sh AUTHORS 616cee4066SMitsuru IWASAKI.An -nosplit 626cee4066SMitsuru IWASAKILongRun support and this manual page were written by 63*6c899950SBaptiste Daroussin.An Tamotsu HATTORI Aq Mt athlete@kta.att.ne.jp 646cee4066SMitsuru IWASAKIand 65*6c899950SBaptiste Daroussin.An Mitsuru IWASAKI Aq Mt iwasaki@FreeBSD.org . 66