1904602 - Record DOM Mutation in js-tracer profiler output

Status: NEW

(DevTools :: Debugger, enhancement)

Description

[Alexandre Poirot [:ochameau]]

Some tweak is required on the profiler frontend in order to make them appear nicely on the stack chart:
https://github.com/firefox-devtools/profiler/issues/5018

WIP patch:
https://phabricator.services.mozilla.com/D212718

Comment 1

[Alexandre Poirot [:ochameau]]

Attachment: Bug 1904602 - [devtools] Use new "DOMMutation" marker type (instead of UserTiming)

Comment 2

[Alexandre Poirot [:ochameau]]

Attachment: Bug 1904602 - [devtools] Try to show DOM Mutation in stack chart.

This records a fake "UserTiming" marker, which are optionaly shown in the marker chart.
But given that DOM Mutations don't have a duration, they are barely visible, and can't be hovered.