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Issue 895724 link

Starred by 1 user
Status: Assigned
Owner:
bokan@chromium.org
Cc:
bokan@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Chrome
Pri: 2
Type: Bug



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Pixel 3 website is very janky when scrolling

Reported by espr...@gmail.com, Oct 16 
UserAgent: Mozilla/5.0 (X11; CrOS x86_64 10895.56.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.95 Safari/537.36

Steps to reproduce the problem:
This is on my Pixelbook Chromebook.

1. Load https://store.google.com/us/product/pixel_3
2. Scroll up and down.

What is the expected behavior?
Scrolls fast

What went wrong?
Super janky.

Did this work before? N/A 

Does this work in other browsers? N/A

Chrome version: 69.0.3497.95  Channel: n/a
OS Version: 10895.56.0
Flash Version:

Comment 1 by bokan@chromium.org, Oct 18

Cc: bokan@chromium.org
Is it still janky in M70? I just tried on a pixel 2XL with 70.0.3538.64 and it feels pretty good. Captured a trace (attached) and we are scrolling on the compositor thread.
trace_p2_pixel3_page.json.gz
6.9 MB Download

Comment 2 by bokan@chromium.org, Oct 18 

Never mind, just noticed this is from a ChromeOS device. Will check again.

Comment 3 by bokan@chromium.org, Oct 18

Owner: bokan@chromium.org
Status: Assigned (was: Unconfirmed)

Comment 4 by esprehn@google.com, Oct 18 

Here's a trace from my Pixel 1 laptop:
https://drive.google.com/file/d/1uqT7BFnF1ckvBEWNMGnSWFyIEivxftEy/view?usp=sharing

That machine is fairly old, but it highlights how bad things are. It looks like the compositor and the GPU process are both very busy.
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