Open Bug 1701951 Opened 4 years ago Updated 4 years ago

Record whether a GC slice is running in idle time

Categories

(Core :: JavaScript: GC, enhancement, P2)

Product:
Core
Component:
JavaScript: GC
Type:
enhancement

Tracking

()

People

(Reporter: sfink, Unassigned)

Details

I often infer whether a GC slice is running during idle time by its budget (49ms or close to it is a long idle period; I think 10ms and 5ms are inter-frame idle). It would be better to record it explicitly as a record of the scheduling behavior.

It could perhaps be 3 possibilities: short idle, refresh driver idle, non-idle?

Given how much of GC happens in idle time these days, we could go further and color the non-idle slices differently in the marker view.

Severity: -- → N/A
Priority: -- → P2
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