Open Bug 1943503 Opened 26 days ago Updated 11 days ago

High CPU usage on Debian x64 bookworm (VMware player guest)

Categories

(Core :: Graphics: WebRender, defect)

Firefox 128
defect

Tracking

()

UNCONFIRMED
Performance Impact ?

People

(Reporter: apal851t2, Unassigned)

References

(Blocks 1 open bug)

Details

User Agent: Mozilla/5.0 (X11; Linux x86_64; rv:128.0) Gecko/20100101 Firefox/128.0

Steps to reproduce:

Just open https://www.binance.com/en/futures

It happens with Firefox 134 too.

Actual results:

High CPU usage.

Expected results:

Low CPU usage. On Windows I don't have this behavior.

Link to Firefox Profiler - https://share.firefox.dev/40KAg03

Component: Untriaged → Performance
Product: Firefox → Core

This bug was moved into the Performance component.

:apal851t2, could you make sure the following information is on this bug?

  • ✅ For slowness or high CPU usage, capture a profile with http://profiler.firefox.com/, upload it and share the link here.
  • For memory usage issues, capture a memory dump from about:memory and attach it to this bug.
  • Troubleshooting information: Go to about:support, click "Copy raw data to clipboard", paste it into a file, save it, and attach the file here.

If the requested information is already in the bug, please confirm it is recent.

Thank you.

Flags: needinfo?(apal851t2)
Performance Impact: --- → ?

I confirm that the provided information is recent.

Flags: needinfo?(apal851t2)

This is apparently due to Software WebRender taking a lot of resources.

The Performance Impact Calculator has determined this bug's performance impact to be low. If you'd like to request re-triage, you can reset the Performance Impact flag to "?" or needinfo the triage sheriff.

Impact on browser: Causes noticeable jank
Configuration: Rare
Resource impact: Severe

Performance Impact: ? → low
Component: Performance → Graphics: WebRender
Performance Impact: low → ?
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