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- 2015-03-17
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dev_cpu_
Sadly there is no documentation for this plugin.
#!/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.
#
#
#%# family=auto
#%# capabilities=autoconf suggest
# Munin plugin for CPU temperature and frequency on FreeBSD
# Apparently sysctl is in /bin on Debian GNU/kFreeBSD. basename is in /usr/bin.
export PATH=/sbin:/usr/bin:/bin
die() {
echo "$@" 1>&2
exit 1
}
cpus() {
sysctl -N dev.cpu | awk -F. '$4 == "'"$func"'" { print $3 }'
}
reqcpus() {
if [ -z "$func" ] ; then
die "No function specified"
fi
cpus=$(cpus)
if [ -z "$cpus" ] ; then
die "No supported CPUs"
fi
}
autoconf() {
if [ -n "$cpus" ] ; then
echo "yes"
exit 0
else
echo "no (function not supported by kernel)"
exit 0
fi
}
suggest() {
if [ -n "$func" ] ; then
echo "$func"
exit 0
fi
# Suggest output must be newline separated, so get in newlines
# and preserve them.
for func in freq temperature ; do
if cpus >/dev/null ; then
funcs="$funcs
$func"
fi
done
[ -n "$funcs" ] && echo "$funcs"
exit $?
}
config() {
reqcpus
echo -n "graph_order"
for cpu in $cpus ; do
echo -n " CPU$cpu"
done
echo ""
echo "graph_category sensors"
echo "graph_scale no"
case $func in
freq)
echo "graph_title CPU Frequency"
echo "graph_vlabel Frequency in MHz"
;;
temperature)
echo "graph_title CPU Core Temperature"
echo "graph_vlabel Core temperature in °C"
;;
esac
for cpu in $cpus ; do
echo "CPU$cpu.label CPU $cpu"
done
exit 0
}
get() {
reqcpus
for cpu in $cpus ; do
echo -n "CPU$cpu.value "
sysctl -n "dev.cpu.$cpu.$func" | tr -d 'C'
done
}
self=$(basename $0)
func=${self##*_}
case "$*" in
autoconf)
autoconf
;;
suggest)
suggest
;;
config)
config
;;
"")
get
;;
*)
die "usage: $self [autoconf|config]"
;;
esac
exit 0