If you can access the remaining battery status of a large enough population over time it should be easy to use telemetry to measure this pre and post patch.
Andreas Sent from Mobile. > On Nov 5, 2013, at 16:46, David Rajchenbach-Teller <dtel...@mozilla.com> > wrote: > > Context: I am currently working on patches designed to improve > performance of some subsystems in Firefox Desktop by decreasing disk > I/O, but I hope that they will also have an effect (hopefully > beneficial) on power/battery usage. I'd like to confirm/infirm that > hypothesis. > > Measuring and collecting performance improvement is relatively easy, > thanks to Telemetry. Measuring power usage, though? That looks harder. > > So, here are my questions: > - do we already have a good way to measure power usage by some thread > between two points in time? > - if not, would there be interest in developing a library for this > purpose ? Note that I don't even know if that's possible in userland. > - do we already have a good way to measure total power usage by a > xpcshell test, perhaps by interfacing with powertop or Intel Power Gadget? > > Cheers, > David > > -- > David Rajchenbach-Teller, PhD > Performance Team, Mozilla > _______________________________________________ > dev-platform mailing list > dev-platform@lists.mozilla.org > https://lists.mozilla.org/listinfo/dev-platform _______________________________________________ dev-platform mailing list dev-platform@lists.mozilla.org https://lists.mozilla.org/listinfo/dev-platform