Today I modified the b2gperf tests that are measuring cold launch times and FPS scrolling across several apps on Firefox OS. Previously these were using the nightly builds and flashing gaia on top, but now they just use the mozilla-central tinderbox builds. This means we'll still get results several times a day, but they should be much easier to trace to a specific build. It also means the data will be more compatible with the recently announced regression hunting tool [1].

One side-effect is that we're now reporting the mercurial revisions instead of the git revisions that we were previously sending. This was an intended enhancement but was brought forward by the tinderbox builds not having the git revision in sources.xml. As a result, the gecko revisions links in datazilla will be invalid until bug 979840 is resolved.

Note that these changes are for hamachi devices only, as we do not have mozilla-central tinderbox builds for inari.

[1] http://blargon7.com/2014/03/hunting-for-performance-regressions-in-firefox-os/

Cheers,
Dave
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