1571087 - Slow Frames detected on MEGA

Status: RESOLVED WORKSFORME

(Core :: Graphics: WebRender, defect, P3)

Description

[Asif Youssuff]

Seeing the red animation after enabling gfx.webrender.debug.slow-frame-indicator on https://mega.nz/#F!psRixS7R!rvjSWfiVYwdE2x-p9XqW5w

Profile: https://perfht.ml/2YI1rcI

Profile is of me scrolling down the page using touchpad scroll.

Slow Frame #01 Frame 1(moz-extension://68e210f0-1a9a-424f-8cce-f3d9553a6567/popup.html) CONTENT_FRAME_TIME 2663 - Transaction start 0.038684, main-thread time 23.713305, full paint time 24.029233, Skipped composites 0, Composite start 429.079521, Resource upload time 3.085002, GPU cache upload time 0.167073, Render time 11.560778, Composite time 13.456976
Slow Frame #02 Frame 2(moz-extension://68e210f0-1a9a-424f-8cce-f3d9553a6567/popup.html) CONTENT_FRAME_TIME 2566 - Transaction start 0.031371, main-thread time 0.381523, full paint time 0.551149, Skipped composites 0, Composite start 404.742116, Resource upload time 3.085002, GPU cache upload time 0.167073, Render time 11.560778, Composite time 13.456976
Slow Frame #03 Frame 3(moz-extension://68e210f0-1a9a-424f-8cce-f3d9553a6567/popup.html) CONTENT_FRAME_TIME 2566 - Transaction start 0.000000, main-thread time 10.065018, full paint time 10.397295, Skipped composites 0, Composite start 294.484114, Resource upload time 3.085002, GPU cache upload time 0.167073, Render time 11.560778, Composite time 13.456976
Slow Frame #04 Frame 290(https://mega.nz/#F!psRixS7R!rvjSWfiVYwdE2x-p9XqW5w) CONTENT_FRAME_TIME 617 - Transaction start 3.828979, main-thread time 6.399212, full paint time 10.427638, Skipped composites 0, Composite start 32.678744, Resource upload time 0.000845, GPU cache upload time 0.457124, Render time 51.356657, Composite time 54.445679
Slow Frame #05 Frame 234(https://mega.nz/#F!psRixS7R!rvjSWfiVYwdE2x-p9XqW5w) CONTENT_FRAME_TIME 600 - Transaction start 1.768099, main-thread time 12.362832, full paint time 23.998269, Skipped composites 0, Composite start 35.705044, Resource upload time 20.106037, GPU cache upload time 0.355333, Render time 45.553155, Composite time 50.911142
Slow Frame #06 Frame 158(https://mega.nz/#F!psRixS7R!rvjSWfiVYwdE2x-p9XqW5w) CONTENT_FRAME_TIME 589 - Transaction start 0.674863, main-thread time 12.383161, full paint time 18.293864, Skipped composites 0, Composite start 28.990522, Resource upload time 12.866178, GPU cache upload time 1.042909, Render time 54.732986, Composite time 65.503890
Slow Frame #07 Frame 198(https://mega.nz/#F!psRixS7R!rvjSWfiVYwdE2x-p9XqW5w) CONTENT_FRAME_TIME 536 - Transaction start 0.396370, main-thread time 13.850399, full paint time 16.558537, Skipped composites 0, Composite start 23.047406, Resource upload time 31.600019, GPU cache upload time 0.384821, Render time 51.511286, Composite time 57.147717
Slow Frame #08 Frame 160(https://mega.nz/#F!psRixS7R!rvjSWfiVYwdE2x-p9XqW5w) CONTENT_FRAME_TIME 526 - Transaction start 0.958043, main-thread time 17.561272, full paint time 19.589758, Skipped composites 0, Composite start 32.648995, Resource upload time 20.199545, GPU cache upload time 0.599737, Render time 34.292863, Composite time 39.401018
Slow Frame #09 Frame 132(https://mega.nz/#F!psRixS7R!rvjSWfiVYwdE2x-p9XqW5w) CONTENT_FRAME_TIME 510 - Transaction start 0.234140, main-thread time 7.338924, full paint time 9.290269, Skipped composites 0, Composite start 16.292441, Resource upload time 0.000554, GPU cache upload time 0.443583, Render time 28.766128, Composite time 52.300393
Slow Frame #10 Frame 199(https://mega.nz/#F!psRixS7R!rvjSWfiVYwdE2x-p9XqW5w) CONTENT_FRAME_TIME 493 - Transaction start 0.248743, main-thread time 25.713630, full paint time 46.428425, Skipped composites 0, Composite start 48.852224, Resource upload time 0.000567, GPU cache upload time 0.193847, Render time 24.932996, Composite time 31.685430

Comment 1

[Glenn Watson [:gw]]

Appears to run well now with no obvious slow parts in WR.