coretemp

#!/bin/sh
#
# Copyright (c) 2008 Dag-Erling Coïdan Smørgrav
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer
#    in this position and unchanged.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
#

# This plugin's functionality has been replaced by the dev_cpu_ plugin.
#%# family=legacy

# Munin plugin for CPU temperature on CPUs supported by FreeBSD's
# coretemp driver (includes all Intel Core and Core 2 CPUs)

die() {
	echo "$@" 1>&2
	exit 1
}

cpus() {
	sysctl -N dev.cpu |
	awk -F. '$4 == "temperature" { print $3 }'
}

reqcpus() {
	if [ -z "$cpus" ] ; then
		die "No supported CPUs"
	fi
}

autoconf() {
	if [ -n "$cpus" ] ; then
		echo "yes"
	else
		echo "no"
	fi
}

config() {
	reqcpus
	echo "graph_title CPU Core Temperature"
	echo -n "graph_order"
	for cpu in $cpus ; do
		echo -n " CPU$cpu"
	done
	echo ""
	echo "graph_category sensors"
	echo "graph_vlabel Core temperature in °C"
	echo "graph_scale no"
	for cpu in $cpus ; do
		echo "CPU$cpu.label CPU $cpu"
	done
}

get() {
	reqcpus
	for cpu in $cpus ; do
		echo -n "CPU$cpu.value "
		sysctl -n dev.cpu.$cpu.temperature | tr -d C
	done
}

self=$(basename $0)
cpus=$(cpus)

case "$*" in
autoconf)
	autoconf
	;;
config)
	config
        ;;
"")
	get
	;;
*)
	die "usage: $self [autoconf|config]"
	;;
esac