The recent node exporter includes "hwmon" which allows to get information
about CPU temperature and also Fan status etc if available
We should enable it and add some graphs to system overview which shows this
information as overheating can cause CPU performance throttle and be cause
of performance problems.
Peter Zaitsev, CEO, Percona
Tel: +1 888 401 3401 ext 7360 Skype: peter_zaitsev