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author | Federico Ceratto <federico.ceratto@gmail.com> | 2016-03-30 21:40:42 +0000 |
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committer | Federico Ceratto <federico.ceratto@gmail.com> | 2016-03-30 21:40:42 +0000 |
commit | 9ce153ce7167c11adba8ac225edc7a707e97c6eb (patch) | |
tree | 9f6e849cce2dcc7e5b4e9e6252c843dc2d0787a2 /charts.d/load_average.chart.sh | |
download | netdata-9ce153ce7167c11adba8ac225edc7a707e97c6eb.tar.xz netdata-9ce153ce7167c11adba8ac225edc7a707e97c6eb.zip |
Imported Upstream version 1.0.0upstream/1.0.0
Diffstat (limited to 'charts.d/load_average.chart.sh')
-rwxr-xr-x | charts.d/load_average.chart.sh | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/charts.d/load_average.chart.sh b/charts.d/load_average.chart.sh new file mode 100755 index 000000000..257ea7cad --- /dev/null +++ b/charts.d/load_average.chart.sh @@ -0,0 +1,64 @@ +#!/bin/sh + +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 +} + |