Closed Bug 1238091 Opened 8 years ago Closed 2 years ago

Large janks when scrolling http://www.mccarroll.net/snippets/j2js/

Categories

(Core :: Panning and Zooming, defect, P3)

46 Branch
defect

Tracking

()

RESOLVED WORKSFORME

People

(Reporter: jrmuizel, Unassigned)

References

()

Details

(Keywords: perf, Whiteboard: [gfx-noted])

If I fling this page there will be a noticeable pause near the end of the fling and then the fling will continue. This suggests that the compositor is being blocked for a significant amount of time for some reason. (Perhaps tile allocation?)
Can't repro on my OS X nightly.

There's a bunch of nested scrollables on this page. Are you flinging the top-level page only? Assuming the issue isn't handoff-related, it would be good to grab a profile so we can see what's going on.
Version: unspecified → 46 Branch
I can reproduce with my cursor outside of the nested scrollables. I can try to grab a profile somehow.
Here's the profile. http://people.mozilla.org/~bgirard/cleopatra/#report=5e8ca305c6f03eab6ad12fa16c25bba094a7329f

We're spending large amount of time doing texture uploads and allocations. I suspect we're asking to upload too much at once and I expect we're churning texture for some reason.
Whiteboard: [gfx-noted]
Status: NEW → RESOLVED
Closed: 2 years ago
Resolution: --- → WORKSFORME
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