Open Bug 1850209 Opened 9 months ago Updated 9 months ago

It takes 30 seconds for measure about:memory If jp.mercari.com is open (60% of time spent in js::InefficientNonFlatteningStringHashPolicy::hash and AddStringToHash)

Categories

(Core :: JavaScript Engine, defect, P3)

Desktop
Windows 10
defect

Tracking

()

Tracking Status
firefox118 --- affected

People

(Reporter: alice0775, Unassigned)

References

(Blocks 1 open bug, )

Details

(Keywords: nightly-community)

Attachments

(1 file)

Attached file about:support

Steps to Reproduce:

  1. Open https://jp.mercari.com/ (not need sign-in)
  2. Open about:memory in a new tab
  3. Click on Measure

Expected Results:
It takes more than 20 seconds to display the results of memory measurement.

Actual Results:
It shouldn't take that long.

Profile URL:
https://share.firefox.dev/45nHgjx

Summary: It takes time for measure about:memory → It takes time for measure about:memory If jp.mercari.com is open
Component: Performance → JavaScript Engine
Summary: It takes time for measure about:memory If jp.mercari.com is open → It takes 30 seconds for measure about:memory If jp.mercari.com is open (60% of time spent in js::InefficientNonFlatteningStringHashPolicy::hash and AddStringToHash)
Blocks: sm-runtime
Severity: -- → S3
Priority: -- → P3
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