Hi everyone.
I'm trying to figure out how to measure the effects of a possible change
Morgan Phillips is making to the Slow Script dialog.[1] One specific thing
we want to measure is "responsiveness" in the few seconds after a user
chooses to stop a slow script. Whatever "responsiveness" means.
We have some Telemetry probes that seem related to responsiveness[2][3],
but I... can't really tell what they measure. The blurb on
telemetry.mozilla.org is not always super helpful.
Also I'm probably missing stuff. I don't see anything related to
frames-per-second while scrolling, for example.
Who knows more? Which Telemetry probes (or internal-to-Gecko
measurements/stats) are relevant to what users call "responsiveness"? Is
there one in particular that you've used in the past? Where can I get more
info?
Thanks,
-j
[1]: https://bugzilla.mozilla.org/show_bug.cgi?id=1270729
[2]: http://mzl.la/1Nxj8BL EVENTLOOP_UI_ACTIVITY_EXP_MS
[3]: http://mzl.la/1YzQQXO INPUT_EVENT_RESPONSE_MS
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