[plasmashell] [Bug 386846] High CPU with Animator vs Animation on some systems

https://bugs.kde.org/show_bug.cgi?id=386846 Simon Andric changed: What|Removed |Added CC||simonandr...@gmail.com

[plasmashell] [Bug 386846] High CPU with Animator vs Animation on some systems

https://bugs.kde.org/show_bug.cgi?id=386846 David Edmundson changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED

[plasmashell] [Bug 386846] High CPU with Animator vs Animation on some systems

https://bugs.kde.org/show_bug.cgi?id=386846 Stefan Krüger changed: What|Removed |Added CC||m...@s-light.eu -- You are

[plasmashell] [Bug 386846] High CPU with Animator vs Animation on some systems

https://bugs.kde.org/show_bug.cgi?id=386846 Thomas Bettler changed: What|Removed |Added CC|

[plasmashell] [Bug 386846] High CPU with Animator vs Animation on some systems

https://bugs.kde.org/show_bug.cgi?id=386846 --- Comment #20 from David Edmundson --- That might be why I struggled to reproduce (I've been on 5.10 branches for a while). Thanks again for following up. 6990ae6c1bad32952e371fa72bee65a7af11c313 is probably relevant

[plasmashell] [Bug 386846] High CPU with Animator vs Animation on some systems

https://bugs.kde.org/show_bug.cgi?id=386846 --- Comment #19 from Vova Mshanetskiy --- Both of my systems have updated to Qt 5.10.0 and i can no longer reproduce the issue. Neither with bug.qml nor in Plasma Shell nor in System Settings. Fixed, i think. One thing i noted,

[plasmashell] [Bug 386846] High CPU with Animator vs Animation on some systems

https://bugs.kde.org/show_bug.cgi?id=386846 Kevin Ottens changed: What|Removed |Added CC||er...@kde.org -- You are

[plasmashell] [Bug 386846] High CPU with Animator vs Animation on some systems

https://bugs.kde.org/show_bug.cgi?id=386846 Brendon Higgins changed: What|Removed |Added CC|

[plasmashell] [Bug 386846] High CPU with Animator vs Animation on some systems

https://bugs.kde.org/show_bug.cgi?id=386846 Christoph Erhardt changed: What|Removed |Added CC||k...@sicherha.de -- You

[plasmashell] [Bug 386846] High CPU with Animator vs Animation on some systems

https://bugs.kde.org/show_bug.cgi?id=386846 --- Comment #18 from Vova Mshanetskiy --- I have reproduced the issue on my home PC which, i thought, was not affected. I just started qmlscene and plasmashell with QSG_RENDER_LOOP=basic (my home PC uses threaded rendering by

[plasmashell] [Bug 386846] High CPU with Animator vs Animation on some systems

https://bugs.kde.org/show_bug.cgi?id=386846 Todor Todorov changed: What|Removed |Added CC||todo...@yahoo.com -- You

[plasmashell] [Bug 386846] High CPU with Animator vs Animation on some systems

https://bugs.kde.org/show_bug.cgi?id=386846 --- Comment #17 from David Edmundson --- Oh, I might be getting confused. I shall review that bit of code you referenced. Thanks. -- You are receiving this mail because: You are watching all bug changes.

[plasmashell] [Bug 386846] High CPU with Animator vs Animation on some systems

https://bugs.kde.org/show_bug.cgi?id=386846 --- Comment #16 from Vova Mshanetskiy --- I think we are talking about different bugs now... What you seem to be trying to fix is high CPU usage *during* the animation. What i (and probably most people in the original bug 381000)

[plasmashell] [Bug 386846] High CPU with Animator vs Animation on some systems

https://bugs.kde.org/show_bug.cgi?id=386846 --- Comment #15 from David Edmundson --- Created attachment 109021 --> https://bugs.kde.org/attachment.cgi?id=109021=edit QtDeclarative patch to only update after frame I've made a patch. I can confirm that on my system

[plasmashell] [Bug 386846] High CPU with Animator vs Animation on some systems

https://bugs.kde.org/show_bug.cgi?id=386846 --- Comment #14 from David Edmundson --- The animation driver has a bit of code that says at the start of the render "queue render me again!". It's not great, but you can see how it'd work. What I think we want to see is

[plasmashell] [Bug 386846] High CPU with Animator vs Animation on some systems

https://bugs.kde.org/show_bug.cgi?id=386846 --- Comment #13 from Vova Mshanetskiy --- Created attachment 109012 --> https://bugs.kde.org/attachment.cgi?id=109012=edit A backtrace from call to maybeUpdate when the bug is in effect QSGGuiThreadRenderLoop::maybeUpdate()

[plasmashell] [Bug 386846] High CPU with Animator vs Animation on some systems

https://bugs.kde.org/show_bug.cgi?id=386846 --- Comment #12 from David Edmundson --- Can I get the backtraces from when maybeUpdate is called please -- You are receiving this mail because: You are watching all bug changes.

[plasmashell] [Bug 386846] High CPU with Animator vs Animation on some systems

https://bugs.kde.org/show_bug.cgi?id=386846 --- Comment #11 from David Edmundson --- I've found our 5 second timer. It'll be QPlatformWindow::requestUpdate which is called from QWindow::requestUpdate(); Setting QT_QPA_UPDATE_IDLE_TIME=20 should prove that's the case.

[plasmashell] [Bug 386846] High CPU with Animator vs Animation on some systems

https://bugs.kde.org/show_bug.cgi?id=386846 --- Comment #10 from Vova Mshanetskiy --- Created attachment 109003 --> https://bugs.kde.org/attachment.cgi?id=109003=edit A backtrace which is usually seen when pausing when the bug is triggered This is the full backtrace i

[plasmashell] [Bug 386846] High CPU with Animator vs Animation on some systems

https://bugs.kde.org/show_bug.cgi?id=386846 --- Comment #9 from David Edmundson --- @Kai AFAIK, we're not in a QQuickWidget? >When i trigger the bug it keeps printing "true" forever. The window is always >the same. That's exactly what I half expected; we're told to

[plasmashell] [Bug 386846] High CPU with Animator vs Animation on some systems

https://bugs.kde.org/show_bug.cgi?id=386846 --- Comment #8 from Vova Mshanetskiy --- Calls made as a result of this timer are always in stack when i pause the debugger once i have triggered the bug. Also this timer leads to a call to the method David is asking about. @David

[plasmashell] [Bug 386846] High CPU with Animator vs Animation on some systems

https://bugs.kde.org/show_bug.cgi?id=386846 Kai Uwe Broulik changed: What|Removed |Added CC|

[plasmashell] [Bug 386846] High CPU with Animator vs Animation on some systems

https://bugs.kde.org/show_bug.cgi?id=386846 --- Comment #6 from David Edmundson --- <3 thanks! 200fps sounds problematic. Which timer specifically looking at? The QSGAnimationDriver reads the screen refresh rate, and then does some timer maths on that; but as I

[plasmashell] [Bug 386846] High CPU with Animator vs Animation on some systems

https://bugs.kde.org/show_bug.cgi?id=386846 --- Comment #5 from Vova Mshanetskiy --- I compiled Qt 5.9.2 from source to try to debug this a just a few hours ago. So far i see a timer with type Qt::PreciseTimer and a 5ms interval. By the way, compilation produced 15GiB of

[plasmashell] [Bug 386846] High CPU with Animator vs Animation on some systems

https://bugs.kde.org/show_bug.cgi?id=386846 --- Comment #4 from David Edmundson --- If anyone can reproduce this with the attached test in #1 and has a self-compiled up-to-date Qt. Please message me. -- You are receiving this mail because: You are watching all bug

[plasmashell] [Bug 386846] High CPU with Animator vs Animation on some systems

https://bugs.kde.org/show_bug.cgi?id=386846 k...@pcfe.net changed: What|Removed |Added CC||k...@pcfe.net --- Comment #3 from k...@pcfe.net

[plasmashell] [Bug 386846] High CPU with Animator vs Animation on some systems

https://bugs.kde.org/show_bug.cgi?id=386846 Kishore Gopalakrishnan changed: What|Removed |Added CC|

[plasmashell] [Bug 386846] High CPU with Animator vs Animation on some systems

https://bugs.kde.org/show_bug.cgi?id=386846 mark_p._sand...@web.de changed: What|Removed |Added CC||mark_p._sand...@web.de -- You are

[plasmashell] [Bug 386846] High CPU with Animator vs Animation on some systems

https://bugs.kde.org/show_bug.cgi?id=386846 Paul changed: What|Removed |Added CC||pip@gmx.com -- You are receiving

[plasmashell] [Bug 386846] High CPU with Animator vs Animation on some systems

https://bugs.kde.org/show_bug.cgi?id=386846 --- Comment #2 from David Edmundson --- Realistically Qt aren't going to do anything with the amount of info we currently have. -- You are receiving this mail because: You are watching all bug changes.

[plasmashell] [Bug 386846] High CPU with Animator vs Animation on some systems

https://bugs.kde.org/show_bug.cgi?id=386846 --- Comment #1 from Vova Mshanetskiy --- I think at this point it is clear that it is a Qt bug. Why have not you opened a Qt bug instead of creating this one here? -- You are receiving this mail because: You are watching all bug

[plasmashell] [Bug 386846] High CPU with Animator vs Animation on some systems

https://bugs.kde.org/show_bug.cgi?id=386846 TOM Harrison changed: What|Removed |Added CC||l12436...@gmail.com --

[plasmashell] [Bug 386846] High CPU with Animator vs Animation on some systems

https://bugs.kde.org/show_bug.cgi?id=386846 Per Pomsel changed: What|Removed |Added CC||phant...@gmx.net -- You are

[plasmashell] [Bug 386846] High CPU with Animator vs Animation on some systems

https://bugs.kde.org/show_bug.cgi?id=386846 David Edmundson changed: What|Removed |Added See Also|

[plasmashell] [Bug 386846] High CPU with Animator vs Animation on some systems

https://bugs.kde.org/show_bug.cgi?id=386846 David Edmundson changed: What|Removed |Added CC|