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# no need for shebang - this file is loaded from charts.d.plugin
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
}
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