Ready for Developer Testing: js-profiling in dedicated workers

[Chromestatus]

Contact emails

moni...@microsoft.com

Explainer

https://github.com/MicrosoftEdge/MSEdgeExplainers/blob/main/DocumentPolicy/DocumentPolicyInWorkers.md

Specification

https://wicg.github.io/js-self-profiling/#the-profiler-interface

Design docs

https://github.com/MicrosoftEdge/MSEdgeExplainers/blob/main/DocumentPolicy/DocumentPolicyInWorkers.md

Summary

Allows js-profiling in dedicated workers This feature enables the JavaScript Self‑Profiling (js-profiling) API in Dedicated Workers, while remaining gated by Document Policy. It allows developers to obtain low‑overhead CPU attribution for JavaScript execution in workers, with Document Policy support for workers tracked separately.

Blink component

Blink>PerformanceAPIs

Web Feature ID

profiler

Risks

Interoperability and Compatibility

No information provided

Gecko: No signal

WebKit: No signal

Web developers: No signals

Other signals:

WebView application risks

Does this intent deprecate or change behavior of existing APIs, such that it has potentially high risk for Android WebView-based applications?

No information provided

Debuggability

No information provided

Will this feature be supported on all six Blink platforms (Windows, Mac, Linux, ChromeOS, Android, and Android WebView)?

No

Is this feature fully tested by web-platform-tests?

Yes
https://wpt.fyi/results/js-self-profiling/with-document-policy?label=master&label=experimental&aligned&q=document-policy

DevTrial instructions

https://docs.google.com/document/d/1ip0obDEsVLT2WzyuEzi0LZlh5Sd78tDmo9QwRRqPKOw/edit?usp=sharing

Flag name on about://flags

No information provided

Finch feature name

DocumentPolicyInDedicatedWorker,ProfilerAPIForDedicatedWorker

Requires code in //chrome?

False

Tracking bug

https://issues.chromium.org/issues/482085416

Estimated milestones

No milestones specified

Link to entry on the Chrome Platform Status

https://chromestatus.com/feature/5159559872249856

Links to previous Intent discussions

Intent to Prototype: https://groups.google.com/a/chromium.org/d/msgid/blink-dev/69975252.050a0220.1f729.0da6.GAE%40google.com

This intent message was generated by Chrome Platform Status.