Merge pull request #2021 from ktsaou/master

[netdata.git] / charts.d / load_average.chart.sh

diff --git a/charts.d/load_average.chart.sh b/charts.d/load_average.chart.sh
old mode 100755 (executable)
new mode 100644 (file)
index 6e5d5e0..70d3aec
--- a/charts.d/load_average.chart.sh
+++ b/charts.d/load_average.chart.sh
@@ -1,19 +1,40 @@
-#!/bin/sh
+# no need for shebang - this file is loaded from charts.d.plugin
 
-load_average_update_every=
+# netdata
+# real-time performance and health monitoring, done right!
+# (C) 2016 Costa Tsaousis <costa@tsaousis.gr>
+# GPL v3+
+#
+
+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 example.load '' "System Load Average" "load" load load line 500 $load_average_update_every
+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
@@ -37,7 +58,7 @@ load_average_update() {
 
        # write the result of the work.
        cat <<VALUESEOF
-BEGIN example.load
+BEGIN system.load
 SET load1 = $load1
 SET load5 = $load5
 SET load15 = $load15