In gnome-power-statistics, from the package gnome-power-manager, on battery-driven computers, there is a graph view called History, which can display battery charge level.
On Ubuntu 10.10, this view updated itself whenever a new data point was generated by the underlying system (upowerd, as I recall).
On Xubuntu 11.10, the view does not auto-update. You can force an update by changing Graph Type or Data Length, but that is obviously not very nice.
How do I get auto-updates back?
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