Closed Bug 1560728 Opened 4 years ago Closed 3 years ago

High CPU usage on youtube videos by RDD Process

Categories

(Core :: Audio/Video: Playback, defect)

67 Branch
defect
Not set
normal

Tracking

()

RESOLVED DUPLICATE of bug 1539043

People

(Reporter: Hritikxx8, Unassigned)

Details

User Agent: Mozilla/5.0 (X11; Linux x86_64; rv:67.0) Gecko/20100101 Firefox/67.0

Steps to reproduce:

Open youtube and play any video

Actual results:

Very high (80-90 %) CPU usage by RDD Process spawned by FF. Other sites such as d.tube seems to work just fine, also the usage shoots above average on twitch.tv but not too much. I suspect some youtube incompatibility.

Expected results:

Not more than 40% CPU usage.

Component: Untriaged → Audio/Video: Playback
Product: Firefox → Core

Hritik, it would help if you could give us a couple details. If you right-click on the video playing in YouTube and select "Stats for nerds", you'll see a small overlay. The Codecs line and the Viewport/Frames line would be helpful to start tracking this. This may be a duplicate report for a known issue with size of frame copies on the RDD process.

Thanks in advance for your help!

Flags: needinfo?(Hritikxx8)

The issue seems to be magically disappeared. I think it was video specific and I cannot seem to find the same video again.
Though, this video shoots the usage to 50% (only while I'm on the page). I'd update the report once I find one with 80%+ usage.

Video ID / sCPN
KfXvjxbRhZk / D858 DRNM AJ4X
Viewport / Frames
640x360*2.07 / 0 dropped of 1106
Current / Optimal Res
1280x720@24 / 1280x720@24
Volume / Normalized
100% / 62% (content loudness 4.2dB)
Codecs
av01.0.05M.08 (398) / opus (251)
Connection Speed
29814 Kbps
Network Activity
0 KB
Buffer Health
60.76 s
Mystery Text
s:8 t:46.10 b:0.000-106.773 

Same issue here, when video uses av01 codec.

Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0
GeForce_GT_520/PCIe/SSE2

Video ID / sCPN
akhmS1D2Ce4 / 26EY BKJW FYTR
Viewport / Frames
1280x720 / 1152 dropped of 1787
Current / Optimal Res
1280x720@25 / 1280x720@25
Volume / Normalized
100% / 100% (content loudness 0.0dB)
Codecs
av01.0.05M.08 (398) / mp4a.40.2 (140)
Connection Speed
3980 Kbps
Network Activity
0 KB
Buffer Health
122.51 s
Mystery Text
s:4 t:77.27 b:4.280-199.692 P
1:17 / 3:45

Same here:

Mozilla/5.0 (X11; Linux x86_64; rv:67.0) Gecko/20100101 Firefox/67.0
Intel HD Graphics 520

Video ID / sCPN
DipEiYAyKxY / 7T3Y N7M7 PP0M
Viewport / Frames
1159x652*1.50 / 79 dropped of 4995
Current / Optimal Res
1280x720@25 / 1280x720@25
Volume / Normalized
100% / 77% (content loudness 2.3dB)
Codecs
av01.0.05M.08 (398) / opus (251)

Same here, Firefox 69.0.3 (64-bit) Fedora 30, trigers everytime with this video:
https://www.youtube.com/watch?v=MURPf_6r8z4

Video ID / sCPN
MURPf_6r8z4 / E77F VKTA XT5R
Viewport / Frames
1280x720 / 0 dropped of 5474
Current / Optimal Res
1920x1080@60 / 1920x1080@60
Volume / Normalized
35% / 35% (content loudness -9.7dB)
Codecs
av01.0.09M.08 (399) / opus (251)
Color
bt709 / bt709

This is probably a duplicate of bug 1538195. For me RDD consumes >300% cpu when playing video from comment #5 and sometimes video completely freezes.

I compared RRD process CPU usage with mpv playing the same content via dav1d decoder and got similar results. Sorry for the noise.

Can the rest of the reporters check if the issue remains for them?

Yes, same behaviour as before.

Can you please provide a copy of the "stats for nerds" in YT?

Right click on the video, select "stats for nerds" copy the text in the overlay.

Status: UNCONFIRMED → RESOLVED
Closed: 3 years ago
Resolution: --- → DUPLICATE
Flags: needinfo?(Hritikxx8)

I have the same issue on Linux.

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"AzureCanvasBackend": "skia",
"AzureContentBackend": "skia",
"ApzWheelInput": 1,
"ApzDragInput": 1,
"ApzKeyboardInput": 1,
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},
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},
{
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},
{
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{
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{
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{
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{
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},
{
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},
{
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},
{
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},
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{
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{
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},
{
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},
{
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},
{
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},
{
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{
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{
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},
{
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{
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{
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}
]
}
],
"fallbacks": []
},
"crashGuards": []
},
"experimentalFeatures": [
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],
[
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],
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],
[
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],
[
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],
[
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],
[
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],
[
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false
],
[
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],
[
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],
[
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],
[
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false
],
[
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"media.videocontrols.picture-in-picture.allow-multiple",
true
],
[
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"browser.urlbar.keepPanelOpenDuringImeComposition",
false
],
[
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"dom.forms.inputmode",
false
],
[
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"dom.webgpu.enabled",
false
],
[
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"privacy.webrtc.globalMuteToggles",
false
],
[
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"security.sandbox.content.win32k-disable",
false
]
],
"addons": [
{
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"type": "extension",
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"isActive": true,
"id": "amazondotcom@search.mozilla.org"
},
{
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"isActive": true,
"id": "bing@search.mozilla.org"
},
{
"name": "DuckDuckGo",
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"id": "ddg@search.mozilla.org"
},
{
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},
{
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"id": "uBlock0@raymondhill.net"
},
{
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{
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{
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{
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{
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},
{
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{
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{
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{
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],
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{
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{
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}
],
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"prefStudies": [],
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"remoteConfigs": []
}
}

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