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mozilla-mobile / perf-frontend-issues

A repository to hold issues related to front-end mobile application performance.
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GeckoView Initialization END probe unexpectedly has duration #223

Open mcomella opened 2 years ago

mcomella commented 2 years ago

I was surprised that GeckoView Initialization END has a duration (profile: https://share.firefox.dev/3D45Lo0): image

I expected it to be a single point: the end point. This pairs with the GeckoView Initialization START marker. Is this end marker expected to have a duration? i.e. are we assuming the start of the profile is when gecko starts? (maybe now but when https://github.com/mozilla-mobile/perf-frontend-issues/issues/209 lands, maybe not?). If it is, maybe we should rename the probe. If not, we should probably remove the duration.