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Enable sampling profiler for bootup time attribution

See original GitHub issue

Provide the steps to reproduce

Run LH on https://lighthouse-script-module-attribution-a59aq0b77.now.sh/

What is the current behavior?

v8.moduleEvaluation script evaluation tasks are not attributed to URLs
bootup-time (Reduce JavaScript execution time) audit aggregates all module script execution under Other instead of showing URL breakdown

What is the expected behavior?

all script evaluation tasks (even for modules) are attributed to URLs
module URLs show up in the bootup-time audit instead of aggregated as Other

Environment Information

Affected Channels: CLI, Node, Extension, DevTools
Lighthouse version: 5.1.0 and before
Node.js version: 10.15.1
Operating System: macOS

Related issues N/A

Issue Analytics

State:
Created 4 years ago
Reactions:1
Comments:7 (4 by maintainers)

Top GitHub Comments

1reaction

patrickhulcecommented, Jun 26, 2019

Oh yeah there it is I thought we had one! @csabapalfi we’ll merge this into #8526 as the same root fix, but thank you very much for the repro URL that will help implementation!

1reaction

patrickhulcecommented, Jun 14, 2019

Yeah getting attribution for several of these remaining Other cases is going to be pretty tricky. My gut says we will need to enable the sampling profiler to solve them, but we’ll see.

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