To view statistics of your xen server with Munin (source):

cd /usr/local/share/
mkdir -p munin/plugins
cd munin/plugins
wget http://wiki.kartbuilding.net/xen_traffic_all
wget http://wiki.kartbuilding.net/xen_cpu_percent
chmod 755 xen_traffic_all xen_cpu_percent
ln -s /usr/local/share/munin/plugins/xen_traffic_all /etc/munin/plugins/
ln -s /usr/local/share/munin/plugins/xen_cpu_percent /etc/munin/plugins/
vim /etc/munin/plugin-conf.d/munin-node

#add the following:
[xen_traffic_all]
user root
[xen_cpu_percent]
user root

/etc/init.d/munin-node restart

Original links:

I wanted to attach the scripts, but because of upload problems, I can’t…