*** all: average frame interval over all recorded intervals.
*** And the run logs also include the explicit intervals from which these 3 values were derived.
TART can be used as a stand-alone addon:
* Set the browser to ASAP mode (preferences layout.frame_rate=0, docshell.event_starvation_delay_hint=1). This makes the browser refresh the screen as fast as possible instead of limiting it to 60hz, thus allows higher resolution measurements. Requires restart to take effect.
* [https://hg.mozilla.org/mozilla-central/raw-file/tip/testing/talos/talos/generate-tart-xpi.html Install the latest addon xpi], or zip the addon dir of the source code, rename the extension to xpi and install.
* Visit chrome://tart/content/tart.html
* Select subtests to run. By default the selected tests are all the TART tests.
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