mirror of
https://github.com/munin-monitoring/contrib.git
synced 2018-11-08 00:59:34 +01:00
56 lines
1.6 KiB
Plaintext
56 lines
1.6 KiB
Plaintext
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#!/bin/sh
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#
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# Plugin to monitor CPU speed on system that allow to reduce it for power saving
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#
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# probably only useful on laptops if you configure it to lower CPU frequency for
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# less power consumptoin. This plugin works by reading from the /sys file system.
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#
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# by dominik dot stadler at gmx.at
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#
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# Magic markers (optional - only used by munin-config and some
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# installation scripts):
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#
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#%# family=auto
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#%# capabilities=autoconf
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if [ "$1" = "autoconf" ]; then
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if [ -r /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq ]; then
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echo yes
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exit 0
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else
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echo no
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exit 1
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fi
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fi
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if [ "$1" = "config" ]; then
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echo 'graph_title CPU speed'
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echo 'graph_args --base 1000 -l 0'
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echo 'graph_vlabel speed'
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# echo 'graph_scale no'
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echo 'graph_category system'
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echo 'graph_info This graph shows the speed of the system fan.'
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echo 'maxspeed.label maxspeed'
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echo 'maxspeed.info The maximum speed of the CPU.'
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echo 'minspeed.label minspeed'
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echo 'minspeed.info The minimum speed of the CPU.'
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echo 'cpuspeed.label speed'
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echo 'cpuspeed.info The current speed of the CPU.'
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exit 0
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fi
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echo -n "maxspeed.value "
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cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq
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echo -n "minspeed.value "
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cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_min_freq
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echo -n "cpuspeed.value "
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# cpuinfo_cur_freq is not readable for user munin, therefore using scaling_cur_freq for now, should
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# be equal information, see http://wiki.ubuntuusers.de/Prozessortaktung
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# We could also configure this plugin to require root access, but I like it better this way.
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#cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_cur_freq
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cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq
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