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Diffstat (limited to 'collectors/charts.d.plugin/load_average/load_average.chart.sh')
| -rw-r--r-- | collectors/charts.d.plugin/load_average/load_average.chart.sh | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/collectors/charts.d.plugin/load_average/load_average.chart.sh b/collectors/charts.d.plugin/load_average/load_average.chart.sh new file mode 100644 index 000000000..b30cb850f --- /dev/null +++ b/collectors/charts.d.plugin/load_average/load_average.chart.sh @@ -0,0 +1,71 @@ +# shellcheck shell=bash disable=SC2154,SC1072,SC1073,SC2009,SC2162,SC2006,SC2002,SC2086,SC1117 +# no need for shebang - this file is loaded from charts.d.plugin +# SPDX-License-Identifier: GPL-3.0-or-later + +# netdata +# real-time performance and health monitoring, done right! +# (C) 2016 Costa Tsaousis <costa@tsaousis.gr> +# + +load_average_update_every=5 +load_priority=100 + +# this is an example charts.d collector +# it is disabled by default. +# there is no point to enable it, since netdata already +# collects this information using its internal plugins. +load_average_enabled=0 + +load_average_check() { + # this should return: + # - 0 to enable the chart + # - 1 to disable the chart + + if [ ${load_average_update_every} -lt 5 ] + then + # there is no meaning for shorter than 5 seconds + # the kernel changes this value every 5 seconds + load_average_update_every=5 + fi + + [ ${load_average_enabled} -eq 0 ] && return 1 + return 0 +} + +load_average_create() { + # create a chart with 3 dimensions +cat <<EOF +CHART system.load '' "System Load Average" "load" load system.load line $((load_priority + 1)) $load_average_update_every +DIMENSION load1 '1 min' absolute 1 100 +DIMENSION load5 '5 mins' absolute 1 100 +DIMENSION load15 '15 mins' absolute 1 100 +EOF + + return 0 +} + +load_average_update() { + # do all the work to collect / calculate the values + # for each dimension + # remember: KEEP IT SIMPLE AND SHORT + + # here we parse the system average load + # it is decimal (with 2 decimal digits), so we remove the dot and + # at the definition we have divisor = 100, to have the graph show the right value + loadavg="`cat /proc/loadavg | sed -e "s/\.//g"`" + load1=`echo $loadavg | cut -d ' ' -f 1` + load5=`echo $loadavg | cut -d ' ' -f 2` + load15=`echo $loadavg | cut -d ' ' -f 3` + + # write the result of the work. + cat <<VALUESEOF +BEGIN system.load +SET load1 = $load1 +SET load5 = $load5 +SET load15 = $load15 +END +VALUESEOF + + return 0 +} + |