Battery drain on N9 caused by Battery Icon
Editor: Andrew Flegg
Philip Van Hoof was suffering unexplained battery drain on his N9, and dug out some of his special skills to identify it: Because of Battery-Icon, which people are probably installing to monitor their battery, tracker-miner-fs wakes up to update the metadata. That in turn wakes up tracker-store to store the metadata. That in turn wakes up smartsearch which will fetch from Tracker some textual data. All three will consume power periodically because of this .desktop file write trigger. I’m guessing the power consumption is triggering Battery-Icon to update the .desktop file. And circular power consumption was born.
There is then an interesting discussion of Harmattan power management, tracker, fixes to core software and the tools Philip used in the comments.