1.\"- 2.\" Copyright (c) 2007 Dag-Erling Coïdan Smørgrav 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.\" $FreeBSD$ 27.\" 28.Dd August 23, 2007 29.Dt CORETEMP 4 30.Os 31.Sh NAME 32.Nm coretemp 33.Nd device driver for Intel Core on-die digital thermal sensor 34.Sh SYNOPSIS 35To compile this driver into the kernel, 36place the following line in your 37kernel configuration file: 38.Bd -ragged -offset indent 39.Cd "device coretemp" 40.Ed 41.Pp 42Alternatively, to load the driver as a 43module at boot time, place the following line in 44.Xr loader.conf 5 : 45.Bd -literal -offset indent 46coretemp_load="YES" 47.Ed 48.Sh DESCRIPTION 49The 50.Nm 51driver provides support for the on-die digital thermal sensor present 52in Intel Core and newer CPUs. 53.Pp 54The 55.Nm 56driver reports each core's temperature through a sysctl node in the 57corresponding CPU device's sysctl tree, named 58.Va dev.cpu.%d.temperature . 59.Sh SEE ALSO 60.Xr sysctl 8 61.Sh HISTORY 62The 63.Nm 64driver first appeared in 65.Fx 7.0 . 66.Sh AUTHORS 67.An -nosplit 68The 69.Nm 70driver was written by 71.An Rui Paulo Aq Mt rpaulo@FreeBSD.org 72as part of a Google Summer of Code project. 73This manual page was written by 74.An Dag-Erling Sm\(/orgrav Aq Mt des@FreeBSD.org . 75