xref: /freebsd/share/man/man4/coretemp.4 (revision e738085b94631f90e21a49852538ac95974baf44)
1c0103f02SDag-Erling Smørgrav.\"-
2*e738085bSDag-Erling Smørgrav.\" Copyright (c) 2007 Dag-Erling Smørgrav
3c0103f02SDag-Erling Smørgrav.\" All rights reserved.
4c0103f02SDag-Erling Smørgrav.\"
5c0103f02SDag-Erling Smørgrav.\" Redistribution and use in source and binary forms, with or without
6c0103f02SDag-Erling Smørgrav.\" modification, are permitted provided that the following conditions
7c0103f02SDag-Erling Smørgrav.\" are met:
8c0103f02SDag-Erling Smørgrav.\" 1. Redistributions of source code must retain the above copyright
9c0103f02SDag-Erling Smørgrav.\"    notice, this list of conditions and the following disclaimer.
10c0103f02SDag-Erling Smørgrav.\" 2. Redistributions in binary form must reproduce the above copyright
11c0103f02SDag-Erling Smørgrav.\"    notice, this list of conditions and the following disclaimer in the
12c0103f02SDag-Erling Smørgrav.\"    documentation and/or other materials provided with the distribution.
13c0103f02SDag-Erling Smørgrav.\"
14c0103f02SDag-Erling Smørgrav.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15c0103f02SDag-Erling Smørgrav.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16c0103f02SDag-Erling Smørgrav.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17c0103f02SDag-Erling Smørgrav.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18c0103f02SDag-Erling Smørgrav.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19c0103f02SDag-Erling Smørgrav.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20c0103f02SDag-Erling Smørgrav.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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22c0103f02SDag-Erling Smørgrav.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23c0103f02SDag-Erling Smørgrav.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24c0103f02SDag-Erling Smørgrav.\" SUCH DAMAGE.
25c0103f02SDag-Erling Smørgrav.\"
269f05d312SAlexander Leidinger.Dd August 23, 2007
27c0103f02SDag-Erling Smørgrav.Dt CORETEMP 4
28c0103f02SDag-Erling Smørgrav.Os
29c0103f02SDag-Erling Smørgrav.Sh NAME
30c0103f02SDag-Erling Smørgrav.Nm coretemp
31c0103f02SDag-Erling Smørgrav.Nd device driver for Intel Core on-die digital thermal sensor
32c0103f02SDag-Erling Smørgrav.Sh SYNOPSIS
33c0103f02SDag-Erling SmørgravTo compile this driver into the kernel,
34c0103f02SDag-Erling Smørgravplace the following line in your
35c0103f02SDag-Erling Smørgravkernel configuration file:
36c0103f02SDag-Erling Smørgrav.Bd -ragged -offset indent
37c0103f02SDag-Erling Smørgrav.Cd "device coretemp"
38c0103f02SDag-Erling Smørgrav.Ed
39c0103f02SDag-Erling Smørgrav.Pp
40c0103f02SDag-Erling SmørgravAlternatively, to load the driver as a
41c0103f02SDag-Erling Smørgravmodule at boot time, place the following line in
42c0103f02SDag-Erling Smørgrav.Xr loader.conf 5 :
43c0103f02SDag-Erling Smørgrav.Bd -literal -offset indent
44c0103f02SDag-Erling Smørgravcoretemp_load="YES"
45c0103f02SDag-Erling Smørgrav.Ed
46c0103f02SDag-Erling Smørgrav.Sh DESCRIPTION
47c0103f02SDag-Erling SmørgravThe
48c0103f02SDag-Erling Smørgrav.Nm
49c0103f02SDag-Erling Smørgravdriver provides support for the on-die digital thermal sensor present
50c0103f02SDag-Erling Smørgravin Intel Core and newer CPUs.
51c0103f02SDag-Erling Smørgrav.Pp
529f05d312SAlexander LeidingerThe
539f05d312SAlexander Leidinger.Nm
549f05d312SAlexander Leidingerdriver reports each core's temperature through a sysctl node in the
559f05d312SAlexander Leidingercorresponding CPU device's sysctl tree, named
569f05d312SAlexander Leidinger.Va dev.cpu.%d.temperature .
57c0103f02SDag-Erling Smørgrav.Sh SEE ALSO
58005b7c57SMitchell Horne.Xr amdtemp 4 ,
59c0103f02SDag-Erling Smørgrav.Xr sysctl 8
60c0103f02SDag-Erling Smørgrav.Sh HISTORY
61c0103f02SDag-Erling SmørgravThe
62c0103f02SDag-Erling Smørgrav.Nm
63c0103f02SDag-Erling Smørgravdriver first appeared in
64c0103f02SDag-Erling Smørgrav.Fx 7.0 .
65c0103f02SDag-Erling Smørgrav.Sh AUTHORS
66c0103f02SDag-Erling Smørgrav.An -nosplit
67c0103f02SDag-Erling SmørgravThe
68c0103f02SDag-Erling Smørgrav.Nm
69c0103f02SDag-Erling Smørgravdriver was written by
706c899950SBaptiste Daroussin.An Rui Paulo Aq Mt rpaulo@FreeBSD.org
71c0103f02SDag-Erling Smørgravas part of a Google Summer of Code project.
72c0103f02SDag-Erling SmørgravThis manual page was written by
736c899950SBaptiste Daroussin.An Dag-Erling Sm\(/orgrav Aq Mt des@FreeBSD.org .
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