High CPU usage & jank with simple svg animation on android
Categories
(Core :: SVG, defect)
Tracking
()
Webcompat Priority | P3 |
People
(Reporter: oyejorge, Unassigned)
References
Details
Steps to reproduce:
Opened this svg: https://raw.githubusercontent.com/oyejorge/firefox-android-svg/main/example.svg
Actual results:
Saw cpu usage and jank in the performance profile
Originally report (with performance profiles) on github: https://github.com/webcompat/web-bugs/issues/107241
Submitting here per request from denschub
Expected results:
A simple svg animation shouldn't use so much cpu or cause jank
Comment 1•2 years ago
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For reference, here are some of the profiles from that bug:
- Motorola Moto G Power: https://share.firefox.dev/3AJDBjB
- Motorola Moto G6: https://share.firefox.dev/3uMwLWF
Updated•2 years ago
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Comment 2•2 years ago
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Can't really see difference when comparing locally Nightly to Chrome on Sony 10 II.
And the profiles have plenty of idle time between paints. So it is hard to see the jank.
Comment 3•2 years ago
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Dennis, the profiles there don't seem to have native stacks... But from the colors it looks mostly graphics?
Comment 4•2 years ago
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I didn't capture those profiles, these are from the Reporter's WebCompat report. I just copy-pasted them over here so they don't get lost. I can't even reproduce this on my device, so I also can't capture new profiles, sadly.
Comment 5•2 years ago
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The severity field is not set for this bug.
:boris, could you have a look please?
For more information, please visit auto_nag documentation.
Updated•2 years ago
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Description
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