1884711 - The route preview transition is janky after selecting destinations at maps.google.com

Status: RESOLVED DUPLICATE of bug 1887161

(Core :: Performance, defect)

Description

[Raul Bucata]

Attachment: 20240311_181532.mp4

Environment:
Operating System: Windows 10 PRO x64
Firefox version: Firefox Nightly 125.0a1 (2024-03-10)

Preconditions:
Clean profile

Steps to reproduce:

1. Navigate to: https://www.google.com/maps/
2. Input a destination and click on "Indications".
3. Select a departure point or arrival point (as asked by the page)
4. Hit enter and observe the result.

Expected Behavior:
The route preview transition is smooth

Actual Behavior:
The route preview transition is janky

Notes:

• Reproducible regardless of the status of ETP
• Reproducible on the latest build of Firefox Nightly and Release
• Works as expected using Chrome
• Best observed for very long routes
• Screenrec attached
• Issue found during WebCompat team [Top100] websites testing

Comment 1

[Ksenia Berezina [:ksenia]]

Hi Raul, could you capture a profile, please?

Comment 2

[Raul Bucata]

Sure. Here it its: https://share.firefox.dev/3vecTiw

Comment 3

[Ksenia Berezina [:ksenia]]

Thank you! I'll move this to Performance component.

Comment 4

[Markus Stange [:mstange]]

This profile is showing the same mozilla::nsRFPService::RandomizePixels issue as the one from bug 1876532.

Comment 5

[BugBot [:suhaib / :marco/ :calixte]]

This bug was moved into the Performance component.

:rbucata, 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.

Comment 6

[Dave Hunt [:davehunt] [he/him] ⌚BST]

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

Platforms: Windows
Impact on browser: Causes noticeable jank
Websites affected: Major
[x] Able to reproduce locally

Comment 7

[Raul Bucata]

Attachment: about.support.gmaps.txt

Comment 8

[Raul Bucata]

Hi Markus, I have attached a new fresh performance profile, with ETP turned off, in normal browsing mode, with no configs altered: https://share.firefox.dev/3vn1Rro

Info requested from the bot:

• Memory report attached
• about:support info attached

Comment 9

[Raul Bucata]

Attachment: memory-report-gmaps.json

Comment 10

[Markus Stange [:mstange]]

I've decided to mark this bug as a duplicate of bug 1887161 because there's nothing else to do in this bug for now.