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