1.\"- 2.\" Copyright (c) 2007 Dag-Erling Co�dan Sm�rgrav 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.\" 26.\" $FreeBSD: src/share/man/man4/coretemp.4,v 1.1 2007/08/23 20:05:09 des Exp $ 27.\" $DragonFly: src/share/man/man4/coretemp.4,v 1.1 2007/10/02 13:16:42 hasso Exp $ 28.\" 29.Dd September 13, 2007 30.Dt CORETEMP 4 31.Os 32.Sh NAME 33.Nm coretemp 34.Nd device driver for Intel Core on-die digital thermal sensor 35.Sh SYNOPSIS 36To compile this driver into the kernel, 37place the following line in your 38kernel configuration file: 39.Bd -ragged -offset indent 40.Cd "device coretemp" 41.Ed 42.Pp 43Alternatively, to load the driver as a 44module at boot time, place the following line in 45.Xr loader.conf 5 : 46.Bd -literal -offset indent 47coretemp_load="YES" 48.Ed 49.Sh DESCRIPTION 50The 51.Nm 52driver provides support for the on-die digital thermal sensor present 53in Intel Core and newer CPUs. 54The values are exposed through the 55.Va HW_SENSORS 56.Xr sysctl 3 57tree. 58For example: 59.Bd -literal -offset indent 60%sysctl hw.sensors 61hw.sensors.cpu0.temp0: 28.00 degC 62hw.sensors.cpu1.temp0: 29.00 degC 63.Ed 64.Sh SEE ALSO 65.Xr systat 1 , 66.Xr sysctl 3 , 67.Xr sensorsd 8 , 68.Xr sysctl 8 69.Sh HISTORY 70The 71.Nm 72driver first appeared in 73.Fx 7.0 . 74.Sh AUTHORS 75.An -nosplit 76The 77.Nm 78driver was written by 79.An Rui Paulo Aq rpaulo@FreeBSD.org 80as part of a Google Summer of Code project. 81This manual page was written by 82.An Dag-Erling Sm\(/orgrav Aq des@FreeBSD.org . 83