added cpu_apps chart

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

diff --git a/charts.d/cpu_apps.chart.sh b/charts.d/cpu_apps.chart.sh
new file mode 100755 (executable)
index 0000000..1733b7d
--- /dev/null
+++ b/charts.d/cpu_apps.chart.sh
@@ -0,0 +1,60 @@
+#!/bin/sh
+
+cpu_apps_apps="netdata asterisk squid apache2 mysqld dovecot cupsd sshd named clamd smbd"
+
+# these are required for computing memory in bytes and cpu in seconds
+#cpu_apps_pagesize="`getconf PAGESIZE`"
+cpu_apps_clockticks="`getconf CLK_TCK`"
+
+cpu_apps_check() {
+       # this should return:
+       #  - 0 to enable the chart
+       #  - 1 to disable the chart
+
+       if [ -z "$cpu_apps_apps" ]
+       then
+               echo >&2 "cpu_apps: Please set cpu_apps_apps='command1 command2 ...' in $confd/cpu_apps_apps.conf"
+               return 1
+       fi
+       return 0
+}
+
+cpu_apps_bc_finalze=
+
+cpu_apps_create() {
+
+       echo "CHART apps.cpu '' 'Apps CPU' 'milliseconds/s' apps apps stacked 20001 $update_every"
+
+       local x=
+       for x in $cpu_apps_apps
+       do
+               echo "DIMENSION $x $x incremental 1000 $cpu_apps_clockticks"
+
+               # this string is needed later in the update() function
+               # to finalize the instructions for the bc command
+               cpu_apps_bc_finalze="$cpu_apps_bc_finalze \"SET $x = \"; $x;"
+       done
+       return 0
+}
+
+cpu_apps_update() {
+       # do all the work to collect / calculate the values
+       # for each dimension
+       # remember: KEEP IT SIMPLE AND SHORT
+
+       echo "BEGIN apps.cpu"
+       ps -o pid,comm -C "$cpu_apps_apps" |\
+               grep -v "COMMAND" |\
+               (
+                       while read pid name
+                       do
+                               echo "$name+=`cat /proc/$pid/stat | cut -d ' ' -f 14-15`"
+                       done
+               ) |\
+               (       sed -e "s/ \+/ /g" -e "s/ /+/g";
+                       echo "$cpu_apps_bc_finalze"
+               ) | bc
+       echo "END"
+
+       return 0
+}