Open Bug 1586923 Opened 5 years ago Updated 2 years ago

Investigate overhead caused by BHR and how we could reduce it

Categories

(Core :: XPCOM, task)

Product:
Core
Component:
XPCOM
Type:
task

Tracking

()

People

(Reporter: florian, Unassigned)

References

(Blocks 1 open bug)

Details

BHR is known to cause significant overhead. I think this is a low priority issue as BHR is currently disabled for beta and release users. If we ever want to enable for more than Nightly, we should investigate what can be done to reduce overhead.

Blocks: 1586924

Here is a profile where BackgroundHangMonitor represents more than 5% of the samples in the main thread of the parent process: https://perfht.ml/33izVRF

Severity: normal → S3
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