- Repository
- Munin (contrib)
- Last change
- 2018-09-16
- Graph Categories
- Family
- auto
- Capabilities
- Keywords
- Language
- Shell
xen
Sadly there is no documentation for this plugin.
#!/bin/sh
#
# Script to monitor CPU usage of Xen domains
#
# Author: unknown
# Modifications: Sebastian Wyder <sebastian.wyder@me.com>, Matthias Pfafferodt, syntron@web.de, Roland Mohrbacher
# License: GPL v. 2
#
# Parameters understood:
#
# conifg (required)
# autoconf (optional - used by munin-config)
#
#%# family=auto
#%# capabilities=autoconf
# statefile: name of seen xen domains
statefile="$MUNIN_PLUGSTATE/munin-plugin-xen.state"
if [ "$1" = "autoconf" ]; then
if which xm > /dev/null ; then
echo yes
else
echo "no (xm not found)"
fi
exit 0
fi
if [ "$1" = "config" ]; then
if [ ! -e "$statefile" ]; then
touch "$statefile"
fi
echo 'graph_title Xen Domain Utilisation'
echo 'graph_args --base 1000 -l 0 --upper-limit 100 --rigid'
echo 'graph_scale no'
echo 'graph_vlabel %'
echo 'graph_category virtualization'
echo 'graph_info This graph shows how many percent of the CPU time was used by each domain'
xm list | grep -v "^Name .* Time(s)$" | while read -r name domid mem cpu state time console; do
name=$(echo "$name" | sed -e"s/[-.]/_/g")
TEST=$(grep "^${name}$" "$statefile" | wc -l)
if [ "$TEST" -ne 1 ]; then
echo "$name" >> "$statefile"
fi
done
FIRST=1
sort < "$statefile" | while read -r name; do
echo "$name.label $name"
echo "$name.type COUNTER"
if [ "$FIRST" -eq 1 ]; then
echo "$name.draw AREA"
FIRST=0
else
echo "$name.draw STACK"
fi
echo "$name.min 0"
echo "$name.max 100"
echo "$name.info % of the CPU time spent for $name"
done
exit 0
fi
# shellcheck disable=SC2034
xm list | grep -v "^Name .* Time(s)$" | while read -r name domid mem cpu state time console; do
name=$(echo "$name" | sed -e "s/[-.]/_/g")
# scale 60s/60s => 100%/60s
time=$(echo "$time" | awk '{print ($1 * 100 / 60) }')
echo "$name.value $time"
done