Munin contributed plugins

#! /bin/sh

: <<=cut

=head1 NAME

cpu_freq_1sec - small supersampling plugin that samples cpu usage every second

=head1 AUTHORS

Copyright (C) 2013 Steve Schnepp <steve.schnepp@pwkf.org>

=head1 LICENSE

GNU Library General Public License v2 only

SPDX-License-Identifier: LGPL-2.0-only

=cut

pluginfull="$0"                 # full name of plugin

plugin="${0##*/}"               # name of plugin

pidfile="$MUNIN_PLUGSTATE/munin.$plugin.pid"

cache="$MUNIN_PLUGSTATE/munin.$plugin.value"

if [ ! -r "/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq" ]

then

	echo "# Cannot read CPU Freq"

	exit 1

fi

if [ "$1" = "acquire" ]

then

        (

                while sleep 1

                do

                        echo $(

                                date +%s

                                cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq

                        )

                done | awk "{

                    print \"scaling_cur_freq.value \" \$1 \":\" (\$2 * 1000);

                    system(\"\");

                }" >> $cache

        ) &

        echo $! > $pidfile

        exit 0

fi

if [ "$1" = "config" ]

then

        cat <<EOF

graph_title CPU Freq 1sec stats

graph_category 1sec

graph_data_size custom 1d, 10s for 1w, 1m for 1t, 5m for 1y

graph_vlabel Hz

update_rate 1

scaling_cur_freq.label Current CPU Scaling Frequence

scaling_cur_freq.type GAUGE

EOF

        exit 0

fi

# values

cat ${cache}

> ${cache}

exit 0