The privileged content process starts image animations in the background and keeps vsync ticking forever
Categories
(Firefox :: New Tab Page, defect)
Tracking
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People
(Reporter: florian, Unassigned, NeedInfo)
References
(Depends on 1 open bug, Blocks 1 open bug)
Details
(Keywords: perf)
See this profile: https://share.firefox.dev/3vWPfat
In the screenshot track you can see that the about:newtab page was not visible (I just profiled loading the wikipedia home page).
In the markers of the privileged content process, there is a network load for a 102KB gif image, after which there are "RefreshDriverTick - Tick reasons: HasImageAnimations" markers at 120Hz.
The process priority is "background".
:quality(60):no_upscale():strip_exif()/https%3A%2F%2Fs3.us-east-1.amazonaws.com%2Fpocket-curatedcorpusapi-prod-images%2F3c5ebd59-257f-4311-801f-373d192a84f4.gif){kind=link}
The root cause is probably bug 1548683, but I wonder if there might be additional things we might do to avoid image animations. Especially as even opening the new tab page is not enough to actually see the animation, as the image is below the fold.
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Reporter | |
Updated•1 year ago
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Comment 1•1 year ago
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The severity field is not set for this bug.
:amy, could you have a look please?
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Description
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