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#!/bin/sh
load_average_update_every=
load_average_check() {
# this should return:
# - 0 to enable the chart
# - 1 to disable the chart
return 0
}
load_average_create() {
# create a chart with 3 dimensions
cat <<EOF
CHART example.load '' "System Load Average" "load" load load line 500 $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 example.load
SET load1 = $load1
SET load5 = $load5
SET load15 = $load15
END
VALUESEOF
return 0
}
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