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core(trace): add PrePaint event, renamed from UpdateLayerTree #13950

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merged 2 commits into from
May 5, 2022

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connorjclark
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M102 will rename UpdateLayerTree to PrePaint. See https://chromium-review.googlesource.com/c/chromium/src/+/3519012

Trace data is the same.

lighthouse-core/lib/tracehouse/task-groups.js Outdated Show resolved Hide resolved
Co-authored-by: Paul Irish <paulirish@users.noreply.github.com>
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brendankenny commented May 4, 2022

I wish we had a test that had to change for this, but I assume tests for our various audits with grouped tasks don't have big enough UpdateLayerTree/PrePaint tasks to matter.

Maybe we should look into a smoke test in the future that tries to exercise as many RenderingNG stages as possible? I don't have a good idea of how feasible that actually is.

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@connorjclark hope you weren't waiting on me with two other approvals :) LGTM

@connorjclark connorjclark changed the title core(trace): add PrePaint trace event, renamed from UpdateLayerTree core(trace): add PrePaint event, renamed from UpdateLayerTree May 5, 2022
@connorjclark connorjclark merged commit 5aff8e4 into master May 5, 2022
@connorjclark connorjclark deleted the trace-prepaint branch May 5, 2022 16:28
@connorjclark connorjclark mentioned this pull request May 9, 2022
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5 participants