1 files changed, 56 insertions, 0 deletions
diff --git a/charts.d/mem_apps.chart.sh b/charts.d/mem_apps.chart.sh
new file mode 100755
index 000000000..f537ada48
--- /dev/null
+++ b/charts.d/mem_apps.chart.sh
@@ -0,0 +1,56 @@
+#!/bin/sh
+
+mem_apps_apps=
+
+# these are required for computing memory in bytes and cpu in seconds
+#mem_apps_pagesize="`getconf PAGESIZE`"
+#mem_apps_clockticks="`getconf CLK_TCK`"
+
+mem_apps_update_every=
+
+mem_apps_check() {
+	# this should return:
+	#  - 0 to enable the chart
+	#  - 1 to disable the chart
+
+	if [ -z "$mem_apps_apps" ]
+	then
+		echo >&2 "$PROGRAM_NAME: mem_apps: not configured. Please set mem_apps_apps='command1 command2 ...' in $confd/mem_apps_apps.conf"
+		return 1
+	fi
+	return 0
+}
+
+mem_apps_bc_finalze=
+
+mem_apps_create() {
+
+	echo "CHART chartsd_apps.mem '' 'Apps Memory' MB apps apps.mem stacked 20000 $mem_apps_update_every"
+
+	local x=
+	for x in $mem_apps_apps
+	do
+		echo "DIMENSION $x $x absolute 1 1024"
+
+		# this string is needed later in the update() function
+		# to finalize the instructions for the bc command
+		mem_apps_bc_finalze="$mem_apps_bc_finalze \"SET $x = \"; $x;"
+	done
+	return 0
+}
+
+mem_apps_update() {
+	# do all the work to collect / calculate the values
+	# for each dimension
+	# remember: KEEP IT SIMPLE AND SHORT
+
+	echo "BEGIN chartsd_apps.mem"
+	ps -o comm,rss -C "$mem_apps_apps" |\
+		grep -v "^COMMAND" |\
+		(	sed -e "s/ \+/ /g" -e "s/ /+=/g";
+			echo "$mem_apps_bc_finalze"
+		) | bc
+	echo "END"
+
+	return 0
+}