[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Carsten Pfeiffer]

https://bugs.kde.org/show_bug.cgi?id=356479

Carsten Pfeiffer  changed:

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 CC||pfeif...@kde.org

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Jose Angel Pastrana]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #143 from Jose Angel Pastrana  ---
This problem was gone for me by setting QSG_RENDER_LOOP=basic as environment
variable. It looks like a QT bug, not a Plasma bug.

Review this article for more information:
https://doc.qt.io/qt-5/qtquick-visualcanvas-scenegraph.html

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Jose Angel Pastrana]

https://bugs.kde.org/show_bug.cgi?id=356479

Jose Angel Pastrana  changed:

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 CC||japp0...@red.ujaen.es

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Timo Ollech]

https://bugs.kde.org/show_bug.cgi?id=356479

Timo Ollech  changed:

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 CC|t...@gmx.net|

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Sven]

https://bugs.kde.org/show_bug.cgi?id=356479

Sven  changed:

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 CC|brettschneider.sven@gmail.c |
   |om  |

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Sergey]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #142 from Sergey  ---
Ubuntu 19.04
plasmashell 5.16.5
Qt 5.12.4
The bug was encountered while copying files on usb flash drive

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Sergey]

https://bugs.kde.org/show_bug.cgi?id=356479

Sergey  changed:

   What|Removed |Added

 CC||rion...@gmail.com

--- Comment #141 from Sergey  ---
I have exactly the same problem as Dreyk

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Dreyk]

https://bugs.kde.org/show_bug.cgi?id=356479

Dreyk  changed:

   What|Removed |Added

   Platform|Neon Packages   |Manjaro

--- Comment #140 from Dreyk  ---
After years bug is comeback.
This time on Manjaro Linux (hardware: VMware Workstation 15.0.2) immediately
after upgrading QT version from 5.12.1 to 5.12.2. More simply, after this
update (on Manjaro KDE edition):
https://forum.manjaro.org/t/stable-update-2019-03-29-kernels-gnome-libreoffice-mesa-budgie-browsers-qt/80902

Same behavior

>From inxi:
Graphics:
Device-1: VMware SVGA II Adapter driver: vmwgfx v: 2.15.0.0 bus ID: 00:0f.0 
Display: x11 server: X.Org 1.20.4 driver: vmware tty: N/A 
OpenGL: renderer: SVGA3D; build v: 3.3 Mesa 18.3.5 direct render: Yes 

Additional Info:
https://forum.manjaro.org/t/stable-update-2019-03-29-kernels-gnome-libreoffice-mesa-budgie-browsers-qt/80902/229?u=dreyk

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[David Edmundson]

https://bugs.kde.org/show_bug.cgi?id=356479

David Edmundson  changed:

   What|Removed |Added

 Status|RESOLVED|CLOSED

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[David Edmundson]

https://bugs.kde.org/show_bug.cgi?id=356479

David Edmundson  changed:

   What|Removed |Added

 Resolution|--- |FIXED
 Status|REOPENED|RESOLVED

--- Comment #139 from David Edmundson  ---
See comment #90.

If you have new information, please make a new bug.

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #138 from thomas.mesch...@ilr.tu-berlin.de ---
Sorry, one more thing: just to be clear why I reopened this bug:  this is NOT
just about the file transfer. This is about any animation in the taskbar or
system tray or widgets such as starting a new application (also includes any
sort of file transfer of course or a simple download with the webbrowser).

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=356479

thomas.mesch...@ilr.tu-berlin.de changed:

   What|Removed |Added

 Resolution|FIXED   |---
 CC||thomas.mesch...@ilr.tu-berl
   ||in.de
Version|5.5.2   |master
 Status|RESOLVED|REOPENED
   Platform|Archlinux Packages  |Neon Packages

--- Comment #137 from thomas.mesch...@ilr.tu-berlin.de ---
The bug still persists in KDE neon. And Kubuntu 18.04. as of August 3,  2018

I am using KDE plasma 5.13.4.

Comment #90 asks to not reopen this bug as it is being resolved in other bug
reports. These have been marked as resolved or they are inactive since 2016: 
https://bugs.kde.org/show_bug.cgi?id=312919 and
https://phabricator.kde.org/D2986. As that comment is from 2 years ago and
still nothing has been fixed or gotten better by disabling animations (actually
worse, as there are now more animations) I reopened this bug.

If there are several errors that need to be fixed for this problem, then either
these errors should all be fixed here or 3 new valid bug reports should be
opened. If there is no one taking care of this problem, then this should be
stated here so that someone can take over ;).

The patches don't help all the systems. The bug affects all animations in
systray, desktop widgets, taskbar, and menu. 

This has been around since more than 3 years for me. I am willing to help to
resolve this bug creating reports etc... . If this is about nvidia cards, this
should get a pretty high priority as it probably affects quite a few people.

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Adam Felson]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #136 from Adam Felson  ---
this bug still persists in kubuntu 17.10, kde 5.10.5

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Adam Felson]

https://bugs.kde.org/show_bug.cgi?id=356479

Adam Felson  changed:

   What|Removed |Added

 CC||adam.bugzi...@thefelsons.us

--- Comment #135 from Adam Felson  ---
this bug still persists in kubuntu 17.10, kde 5.10.5

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #134 from kde2e...@tromer.org ---
This issue persists in plasmashell 5.12.4 + 

I consistently see 100% CPU usage of plasmashell while the Ethernet connection
is waiting for DHCP (which happens to take a long time on my network) and
there's a corresponding panel animation in the NetworkManager icon.

Running Fedora 28 beta, plasma-workspace-5.12.4-1.fc28.x86_64.rpm,
plasma-nm-5.12.4-1.fc28.x86_64.rpm, Intel UHD Graphics 620 GPU.

Comment #90 asks not to reopen this bug. How to proceed?

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Alan Prescott]

https://bugs.kde.org/show_bug.cgi?id=356479

Alan Prescott  changed:

   What|Removed |Added

 CC||a...@fudokai.org.uk

--- Comment #133 from Alan Prescott  ---
I'm having the same problem (plamashell v 5.8.7) which seems to be caused by
the bluetooth icon in the system tray.
I set the icon to hidden and things seem OK now
(openSUSE 42.3, Plasma 5.8.7)

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Nicolas Frattaroli]

https://bugs.kde.org/show_bug.cgi?id=356479

Nicolas Frattaroli  changed:

   What|Removed |Added

 CC|kdeb...@fratti.ch   |

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Marcin Ciosek]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #132 from Marcin Ciosek  ---
(In reply to robspamm from comment #130)
> THanks for the hint with the hidden panel. This really reduces CPU load to
> zero.

Second tip - open tray's settings and set the notification option to hidden.
This way the panel can stay and you still have access to file operations
progress via opening the tray list.

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Marcin Ciosek]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #131 from Marcin Ciosek  ---
My system is Optimus based laptop (Intel HD4600 and nVidia GTX 860).
I don't use Bumblebee but prime-switch feature.
The high cpu load during file operations notification progress (the wheel is
spinning like crazy!!) is showing only while using nVidia card.
If I switch to Intel - no cpu load issue - the wheel is spinning slow.

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #130 from robsp...@fastmail.fm ---
THanks for the hint with the hidden panel. This really reduces CPU load to
zero.

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Dr . Chapatin]

https://bugs.kde.org/show_bug.cgi?id=356479

Dr. Chapatin  changed:

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 CC||bugsefor...@gmx.com

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Marcin Ciosek]

https://bugs.kde.org/show_bug.cgi?id=356479

Marcin Ciosek  changed:

   What|Removed |Added

 CC||presid...@people.pl

--- Comment #129 from Marcin Ciosek  ---
Plasma 5.11.1 openSUSE Tumbleweed
Same issue here - while copying via Dolphin the spinning notification animation
kills the CPU - 100%
Workaround 1 - use console/mc
Workaround 2 - turn off notification (progress can man see at the task manager
(if enabled) but cannot stop.
Workaround 3 - put the notification tray on an auto-hidden panel.
For now I use combination of 1 and 3.

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[juraj]

https://bugs.kde.org/show_bug.cgi?id=356479

juraj  changed:

   What|Removed |Added

 CC||juraj.micha...@gmail.com

--- Comment #127 from juraj  ---
I had problem that plasmashell was utilizing CPU a lot during tray icon
animations (e.g., dropbox sync, copying files via konqueror). I was very
frustrated and thinking about leaving KDE. But today I found out that I had
running approx 5 panels. 5 running panels were caused by the fact that when I
migrate laptop from room to room in work and connect LED TV to present
something sometimes panel just disappeared and I had to manually add new one. I
did "right click -> Panel Options -> Remove this Panel" on all panels (they
were overlay-ed) and started one new panel. After this CPU utilization by
plasmashell is OK and doesn't cause slowness of whole system.

--- Comment #128 from juraj  ---
I had problem that plasmashell was utilizing CPU a lot during tray icon
animations (e.g., dropbox sync, copying files via konqueror). I was very
frustrated and thinking about leaving KDE. But today I found out that I had
running approx 5 panels. 5 running panels were caused by the fact that when I
migrate laptop from room to room in work and connect LED TV to present
something sometimes panel just disappeared and I had to manually add new one. I
did "right click -> Panel Options -> Remove this Panel" on all panels (they
were overlay-ed) and started one new panel. After this CPU utilization by
plasmashell is OK and doesn't cause slowness of whole system.

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[juraj]

https://bugs.kde.org/show_bug.cgi?id=356479

juraj  changed:

   What|Removed |Added

 CC||juraj.micha...@gmail.com

--- Comment #127 from juraj  ---
I had problem that plasmashell was utilizing CPU a lot during tray icon
animations (e.g., dropbox sync, copying files via konqueror). I was very
frustrated and thinking about leaving KDE. But today I found out that I had
running approx 5 panels. 5 running panels were caused by the fact that when I
migrate laptop from room to room in work and connect LED TV to present
something sometimes panel just disappeared and I had to manually add new one. I
did "right click -> Panel Options -> Remove this Panel" on all panels (they
were overlay-ed) and started one new panel. After this CPU utilization by
plasmashell is OK and doesn't cause slowness of whole system.

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=356479

jon33...@yahoo.co.uk changed:

   What|Removed |Added

 CC||jon33...@yahoo.co.uk

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Jan Grulich]

https://bugs.kde.org/show_bug.cgi?id=356479

Jan Grulich  changed:

   What|Removed |Added

 CC||torres.sold...@gmail.com

--- Comment #126 from Jan Grulich  ---
*** Bug 378316 has been marked as a duplicate of this bug. ***

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Bastian Holst]

https://bugs.kde.org/show_bug.cgi?id=356479

Bastian Holst  changed:

   What|Removed |Added

 CC||bastianho...@gmx.de

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Stefano Forli]

https://bugs.kde.org/show_bug.cgi?id=356479

Stefano Forli  changed:

   What|Removed |Added

 CC||ntro...@gmail.com

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[David Edmundson]

https://bugs.kde.org/show_bug.cgi?id=356479

David Edmundson  changed:

   What|Removed |Added

 Resolution|--- |FIXED
 Status|REOPENED|RESOLVED

--- Comment #125 from David Edmundson  ---
See comment #90

We have about 3 different bugs all merged into one here, which is partly why we
haven't moved this much.

We have:
1) The heavy kiconloader usage when using an SNI which is updating constantly 

2) We have the extreme number of pointless X messages causing us to spend lots
of CPU time in nativeEventFilter (and thus strcmp)

3) Any other GL related delays stuff, such as (hopefully now gone) NVidia busy
loop waiting for vsync.


Lets keep this bug as (1) and can close with https://phabricator.kde.org/D2986

I will reopen as 370003 issue for (2) and track that there.

For that reason, when this is merged if you still have high CPU, please don't
reopen this as it's probably a different cause.

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Dmitriy]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #124 from Dmitriy  ---
I have integrated Intel HD3*** video card and experience this problem. It
doesn't seem like Nvidia-specific problem.

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Lindsay Roberts]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #123 from Lindsay Roberts  ---
As mentioned in comment #92 and by Andreas above, high CPU usage whilst copying
is tracked in (the still open) https://bugs.kde.org/show_bug.cgi?id=312919 .
Please retarget downstream dependency issues around copying onto that.

(In reply to Dreyk from comment #122)
> This cause only when i switch to Nvidia Prime card (notebook with Nvidia 
> Optimus). When I switch back to Intel integrated graphics - everything is 
> fine. 
> So several years already I can not use Nvidia card with KDE desktop :(

If there is an Nvidia specific problem causing high CPU usage for systray
animations, I think it warrants a new issue. The fix in this item solved this
for all other cases I've heard, and an Nvidia specific problem would require a
new investigation and a new fix, and almost certainly doesn't invalidate the
fix done here.

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Dreyk]

https://bugs.kde.org/show_bug.cgi?id=356479

Dreyk  changed:

   What|Removed |Added

 CC||dreyksm...@gmail.com

--- Comment #122 from Dreyk  ---
This bug should be re-open. KDE 5.9.4 and all previous.

Plasma uses 100% CPU (Intel Core i7-2670QM) load, when there is an any
animation in the task bar or system tray.

This cause only when i switch to Nvidia Prime card (notebook with Nvidia
Optimus). When I switch back to Intel integrated graphics - everything is fine.
So several years already I can not use Nvidia card with KDE desktop :(

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Manuel Bärenz]

https://bugs.kde.org/show_bug.cgi?id=356479

Manuel Bärenz  changed:

   What|Removed |Added

 CC|man...@enigmage.de  |

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #121 from andreas.sturmlech...@gmail.com ---
As mentioned in comment #90 there are several issues lumped together in this
bug. The one that this bug was supposed to be about has long been fixed, it is
in >=5.8.6 and >=5.9.0.

The file transfer cpu load bug is a different one.

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Dmitriy]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #120 from Dmitriy  ---
Some info from mine side:

Then my skype app losts its connection it shows rotating icon in system tray
area and it makes the plasma consume cpu.

The same happens with Wifi icon then NetworkManager tries to connect to some
router -- it shows "loading icon" and Plasma consumes whole CPU (one of them).

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Fabian Vogt]

https://bugs.kde.org/show_bug.cgi?id=356479

Fabian Vogt  changed:

   What|Removed |Added

 Resolution|FIXED   |---
 Status|RESOLVED|REOPENED

--- Comment #119 from Fabian Vogt  ---
(In reply to Dmitriy from comment #118)
> Well, they say it was fixed:
> https://phabricator.kde.org/R120:749f60b89f4a166833fb64a5b593a801f63f9615
> 
> but in which Plasma release we'll get that patch - I don't know.
> According to tags in the link above, it's gonna be next releases:
> 
> v5.9.4, v5.9.3, v5.9.2, v5.9.1, v5.9.0, v5.8.95
> 
> So, stay tuned !

The patch is part of 5.8.6 and it does apparently not help:

https://bugzilla.opensuse.org/show_bug.cgi?id=1016920

IMO that's enough confirmation to reopen this issue.

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Dmitriy]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #118 from Dmitriy  ---
Well, they say it was fixed:
https://phabricator.kde.org/R120:749f60b89f4a166833fb64a5b593a801f63f9615

but in which Plasma release we'll get that patch - I don't know.
According to tags in the link above, it's gonna be next releases:

v5.9.4, v5.9.3, v5.9.2, v5.9.1, v5.9.0, v5.8.95

So, stay tuned !

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Branko]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #117 from Branko  ---
(In reply to Sven from comment #115)
> On "plasmashell 5.9.3" right now, same problem as descripted in other
> reports. When copying or extrating files, plasmashell takes 25% of the CPU
> power (intel i7-u).
> 
> Running KDE neon (intel integrated graphics)...

I don't know why nobody from KDE don't want to talk about that "file
operations" and cpu usage. Btw, im using plasma 5.8.6 and animated icons in
tray still causing high cpu load.

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Dmitriy]

https://bugs.kde.org/show_bug.cgi?id=356479

Dmitriy  changed:

   What|Removed |Added

 CC||dmitriy.gorbe...@gmail.com

--- Comment #116 from Dmitriy  ---
I have Plasma 5.8.5 (Kubuntu) and the issue exists: then there is some
animation in the task bar the process plasmashell "eats" all CPU.

Can we re-open this bug ?

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Sven]

https://bugs.kde.org/show_bug.cgi?id=356479

Sven  changed:

   What|Removed |Added

 CC||brettschneider.sven@gmail.c
   ||om

--- Comment #115 from Sven  ---
On "plasmashell 5.9.3" right now, same problem as descripted in other reports.
When copying or extrating files, plasmashell takes 25% of the CPU power (intel
i7-u).

Running KDE neon (intel integrated graphics)...

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=356479

bjoe...@arcor.de changed:

   What|Removed |Added

 CC||bjoe...@arcor.de

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Christoph Feck]

https://bugs.kde.org/show_bug.cgi?id=356479

Christoph Feck  changed:

   What|Removed |Added

 CC||andy...@mail.ru

--- Comment #114 from Christoph Feck  ---
*** Bug 374176 has been marked as a duplicate of this bug. ***

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Lindsay Roberts]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #113 from Lindsay Roberts  ---
Patch has now been backported to the Plasma/5.8 branch.

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Ignacio R . Morelle]

https://bugs.kde.org/show_bug.cgi?id=356479

Ignacio R. Morelle  changed:

   What|Removed |Added

 CC||shadowm2...@gmail.com

--- Comment #112 from Ignacio R. Morelle  ---
For the record, I had the same issue with tray icons and CPU usage with Plasma
5.8.4 from Debian sid before applying the patch from
 locally. I've been running a patched build
for the last four days and I've not experienced any unintended side-effects.

I imagine downstream will be more likely to adopt the patch once it becomes
part of Plasma 5.8.6. (It doesn't seem like it made it to 5.8.5, sadly.)

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Manas]

https://bugs.kde.org/show_bug.cgi?id=356479

Manas  changed:

   What|Removed |Added

 CC||em...@manas.ca

--- Comment #111 from Manas  ---
Also affects

'Linux 4.8.0-2-amd64 #1 SMP Debian 4.8.11-1 (2016-12-02) x86_64 GNU/Linux' and
'plasma-workspace' version 4:5.8.2-1

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=844707

Thanks for the patch! Hope Debian pulls in the changes. This is a serious
battery drainer on laptops.

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Lach Sławomir]

https://bugs.kde.org/show_bug.cgi?id=356479

Lach Sławomir  changed:

   What|Removed |Added

 CC||sla...@lach.art.pl

--- Comment #110 from Lach Sławomir  ---
My father's desktop PC is running OpenSUSE Leap 42.2 with Plasma 5.8. The CPU
usage is low, but when drawing file selection rectangle on Plasmashell window
or hovering file, then CPU usage is jumped to 50%. File selection updates to
slow and mouse can hover on file, but another file(previously hovered) is
highlighted.

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Martin M]

https://bugs.kde.org/show_bug.cgi?id=356479

Martin M  changed:

   What|Removed |Added

 CC||bugzi...@eyra.se

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Simon Andric]

https://bugs.kde.org/show_bug.cgi?id=356479

Simon Andric  changed:

   What|Removed |Added

 CC||simonandr...@gmail.com

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Branko]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #109 from Branko  ---
I run Gentoo with Plasma 5.8.3 and problem still exists. plasma-workspace is
patched with plasma-workspace-5.8.3-systray-cpuload.patch, but it seems like it
does not work for me.

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Christoph Feck]

https://bugs.kde.org/show_bug.cgi?id=356479

Christoph Feck  changed:

   What|Removed |Added

 CC||mar...@harrisonland.co.uk

--- Comment #108 from Christoph Feck  ---
*** Bug 373501 has been marked as a duplicate of this bug. ***

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #107 from andreas.sturmlech...@gmail.com ---
Same here, been running with this patch backported to 5.8.x for quite some
time, no issues.

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Lindsay Roberts]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #106 from Lindsay Roberts  ---
This change has now been in master for two months with no reports of
regression; I now think backporting is a reasonable step. Specifically because
of its impact on laptops and other battery powered machines -- being on battery
and having some kind of connecting icon in the tray are highly correlated.

Will leave it up to one of the more authoritative KDE devs to determine whether
it is tested enough and significant enough.

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[nicholas]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #105 from nicholas  ---
well done Lindsay Roberts et al.

+1 for backporting after field testing, this is an especially visible
and annoying bug and the LTS is obviously going to be around a long
time on opensuse etc.



On 10 December 2016 at 12:48, Piotr Kloc  wrote:
> https://bugs.kde.org/show_bug.cgi?id=356479
>
> --- Comment #104 from Piotr Kloc  ---
> (In reply to Lindsay Roberts from comment #91)
>> For all those playing at home, the change in
>> https://phabricator.kde.org/D2986 has now been committed. This makes the
>> changes I suggested above as well as completely removing the code identified
>> in the perf traces.
>>
>> Anyone willing to test master to help confirm the fix and it's lack of side
>> effects is extremely welcome.
>
>
> I have recompiled plasmashell with this patch. Now when copying files
> plasmashell is not exceeding 4% CPU. When connecting with Wifi network it 
> jumps
> to 7% for a second. Much better than 25% making cpu fan go crazy.
> 5.8.4 on Arch
> I hope there are no side effects.
>
> Please backport it to 5.8 if possible.
>
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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Piotr Kloc]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #104 from Piotr Kloc  ---
(In reply to Lindsay Roberts from comment #91)
> For all those playing at home, the change in
> https://phabricator.kde.org/D2986 has now been committed. This makes the
> changes I suggested above as well as completely removing the code identified
> in the perf traces.
> 
> Anyone willing to test master to help confirm the fix and it's lack of side
> effects is extremely welcome.


I have recompiled plasmashell with this patch. Now when copying files
plasmashell is not exceeding 4% CPU. When connecting with Wifi network it jumps
to 7% for a second. Much better than 25% making cpu fan go crazy.
5.8.4 on Arch
I hope there are no side effects.

Please backport it to 5.8 if possible.

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Piotr Kloc]

https://bugs.kde.org/show_bug.cgi?id=356479

Piotr Kloc  changed:

   What|Removed |Added

 CC||pepk...@gmail.com

--- Comment #103 from Piotr Kloc  ---
Plasmashell process eats 26% cpu which must be one thread on my Thinkpad.
All I'm doing is connecting to wifi.

i5-3320m
HD4000
Xorg modesetting driver
Plasma 5.8.4
Arch
If it's somehow relevant:
03:00.0 Network controller: Intel Corporation Centrino Advanced-N 6205 [Taylor
Peak] (rev 34)

https://paste.kde.org/p2ikerwvu

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Simone Gaiarin]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #102 from Simone Gaiarin  ---
After a superficial test, copying files over the network (that was usually
killing the CPU) the problem seems not be present in Plasma 5.8.4. But
since the problem kicks in randomly this test is not enough to say it's
solved.

On Tue, Nov 29, 2016 at 4:44 PM Jos van den Oever 
wrote:

> https://bugs.kde.org/show_bug.cgi?id=356479
>
> --- Comment #101 from Jos van den Oever  ---
> For me it's fixed since Plasma 5.8.
>
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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Jos van den Oever]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #101 from Jos van den Oever  ---
For me it's fixed since Plasma 5.8.

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Wulf Bolte]

https://bugs.kde.org/show_bug.cgi?id=356479

Wulf Bolte  changed:

   What|Removed |Added

 CC||mr.g...@web.de

--- Comment #100 from Wulf Bolte  ---
on my system

> KDE Frameworks 5.28.0
> Qt 5.7.0 (kompiliert gegen 5.7.0)
> Das xcb Fenstersystem

the problem ist still present. And I can only get rid of the load by killing
plasmashell and starting it again if i need it... :(

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[kolAflash]

https://bugs.kde.org/show_bug.cgi?id=356479

kolAflash  changed:

   What|Removed |Added

 CC||kolafl...@kolahilft.de

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Rex Dieter]

https://bugs.kde.org/show_bug.cgi?id=356479

Rex Dieter  changed:

   What|Removed |Added

 CC||m...@eliasprobst.eu

--- Comment #99 from Rex Dieter  ---
*** Bug 336274 has been marked as a duplicate of this bug. ***

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[David Edmundson]

https://bugs.kde.org/show_bug.cgi?id=356479

David Edmundson  changed:

   What|Removed |Added

 CC||de...@web.de

--- Comment #97 from David Edmundson  ---
*** Bug 371844 has been marked as a duplicate of this bug. ***

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[S . Christian Collins]

https://bugs.kde.org/show_bug.cgi?id=356479

S. Christian Collins  changed:

   What|Removed |Added

 CC||s_chriscoll...@hotmail.com

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[David Edmundson]

https://bugs.kde.org/show_bug.cgi?id=356479

David Edmundson  changed:

   What|Removed |Added

 CC||bagz...@gmail.com

--- Comment #98 from David Edmundson  ---
*** Bug 371853 has been marked as a duplicate of this bug. ***

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Igor Tarasov]

https://bugs.kde.org/show_bug.cgi?id=356479

Igor Tarasov  changed:

   What|Removed |Added

 CC||tarasov.i...@gmail.com

--- Comment #96 from Igor Tarasov  ---
But maybe it could be also added to 5.8.3, since it is a bugfix and also does
not involve any major changes? Thus users would get it in November already.

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Rex Dieter via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #95 from Rex Dieter  ---
> Did the patchset make it to 5.8.2? 

No, only master branch (which will become 5.9) so far.

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #94 from cristian...@gmail.com ---
On a side note, pausing the transfer does not stop the animation (it should).

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=356479

cristian...@gmail.com changed:

   What|Removed |Added

 CC||cristian...@gmail.com

--- Comment #93 from cristian...@gmail.com ---
Did the patchset make it to 5.8.2? I am currently suffering from this bug while
using the aforementioned version. Backing up my phone and the notification
wheel is spinning. Plasma feels choppy and using 29% of my i5-4670 constantly.

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Lindsay Roberts via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=356479

Lindsay Roberts  changed:

   What|Removed |Added

 Status|CONFIRMED   |RESOLVED
 Resolution|--- |FIXED

--- Comment #92 from Lindsay Roberts  ---
Am marking this bug resolved - it's scope being as David mentioned above,
systray related CPU usage.

High CPU usage when copying files via Dolphin with task status is still a
problem; suggest we track that in the existing specific item
https://bugs.kde.org/show_bug.cgi?id=312919 . Doesn't seem to be the same as
issue (2) mentioned above, perf shows lots of dbus.

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Lindsay Roberts via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #91 from Lindsay Roberts  ---
For all those playing at home, the change in https://phabricator.kde.org/D2986
has now been committed. This makes the changes I suggested above as well as
completely removing the code identified in the perf traces.

Anyone willing to test master to help confirm the fix and it's lack of side
effects is extremely welcome.

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[David Edmundson via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #90 from David Edmundson  ---
We have about 3 different bugs all merged into one here, which is partly why we
haven't moved this much.

We have:
1) The heavy kiconloader usage when using an SNI which is updating constantly 

2) We have the extreme number of pointless X messages causing us to spend lots
of CPU time in nativeEventFilter (and thus strcmp)

3) Any other GL related delays stuff, such as (hopefully now gone) NVidia busy
loop waiting for vsync.


Lets keep this bug as (1) and can close with https://phabricator.kde.org/D2986

I will reopen as 370003 issue for (2) and track that there.

For that reason, when this is merged if you still have high CPU, please don't
reopen this as it's probably a different cause.

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Lindsay Roberts via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #89 from Lindsay Roberts  ---
The file is
/usr/share/plasma/plasmoids/org.kde.plasma.private.systemtray/contents/ui/items/StatusNotifierItem.qml
locally. If you try this, let us know if you see the same icons before and
after or any other changes. Can't guarantee this doesn't produce some kind of
huge regression.

These are the changes I made:

Line 31:
//icon: ToolTipIcon != "" ? ToolTipIcon :
plasmoid.nativeInterface.resolveIcon(IconName != "" ? IconName : Icon,
IconThemePath)
icon: ToolTipIcon != "" ? ToolTipIcon : Icon ? Icon :
plasmoid.nativeInterface.resolveIcon(IconName, IconThemePath)

Line 51:
//source: plasmoid.nativeInterface.resolveIcon(IconName != "" ?
IconName : Icon, IconThemePath)
source: Icon ? Icon : plasmoid.nativeInterface.resolveIcon(IconName,
IconThemePath)

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Damian Kaczmarek via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #88 from Damian Kaczmarek  ---
@Lindsay Roberts: in which file did you apply this change? I'm hoping this can
be applied in-place in the filesystem if it's only a QML file.

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Lindsay Roberts via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=356479

Lindsay Roberts  changed:

   What|Removed |Added

 CC||lind...@gmail.com

--- Comment #87 from Lindsay Roberts  ---
Confirmed Fabian's cause locally using perf/timers.

It seems even worse than thought - in addition to legion allocations, it also
iterates through the filesystem during KIconTheme construction, disk waits and
IO on top of the visible CPU usage.

A trivial test program did also turn up one more interesting bit about the
problem; every time any icon in the systray changes - including a native
KStatusNotifier based icon - all icons are refreshed, and this includes calling
resolveIcon, and heap allocating KIconLoader/KIconTheme and it's associated
fileystem iteration. Not only that, but the system tray QML references the icon
(and resolveIcon) twice, so all this happens twice per affected icon, every
time any icon changes. To salt that quite open wound, this includes icons
hidden inside the expansion area, and in no plausible scenario needing
immediate repaint.

It is clear that KIconLoader is far too heavy to be constructed as part of any
interactive or continuous operation. Without having spent too long in the code,
the right place for any kind of cached per-application/per-icon data would seem
to be in the statusnotifieritem datasource. And it seems that class actually
has code for tracking a custom KIconLoader, resolving icons, and even sending
them. It's possible that the code in resolveIcon is redundant, and is being
used only because the QML prefers using the icon name to the QIcon() passed
along:

source: plasmoid.nativeInterface.resolveIcon(IconName != "" ? IconName
: Icon, IconThemePath)

Prefixing a preference for the provided icon before delving into resolveIcon
(Icon ? Icon : ...)  got rid of all significant CPU usage on my machine aside
from the QML scene graph and the graphics drivers. Would require someone more
knowledgeable in this area and/or significant testing to confirm this wouldn't
produce any negative behaviour, however.

Even with the above, we seem to be doing too much repainting due to small
changes here, I haven't delved in enough to attempt to discover where and why
the repaints are occurring.

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Witold Sosnowski via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=356479

Witold Sosnowski  changed:

   What|Removed |Added

 CC||a...@jabster.pl

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Larpon via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #86 from Larpon  ---
Popping by again just to say that I haven't got Skype or Spotify on my system

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Rex Dieter via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=356479

Rex Dieter  changed:

   What|Removed |Added

 CC||rdie...@math.unl.edu

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Damian Kaczmarek via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #85 from Damian Kaczmarek  ---
Before it was only animated icons that were causing high cpu usage but now it
seems it's anything ... I'm watching a movie with mpv and then after half an
hour I see jitter and then `ps aux` confirms it's plasmashell.  CPU usage is on
average 28% here but it jumps to 130% about every two seconds according to
`top`. And now I have confirmed it .. this cpu usage happens if either Skype or
Spotify are enabled so it leads me to believe it must be this SNI or XEmbed
integration that's somehow broken.

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Larpon via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #84 from Larpon  ---
Well video plays fine - at good framerates -  but the CPU cores are working
absurdly - which makes it feels like plasma is part of it. I'll have a look
at top the next time

On 15:22, Sun, 2 Oct 2016 Simone Gaiarin via KDE Bugzilla, <
bugzilla_nore...@kde.org> wrote:

> https://bugs.kde.org/show_bug.cgi?id=356479
>
> --- Comment #83 from Simone Gaiarin  ---
> The video lag on chrome may be related to other causes. I had the problem
> as
> well.
> See this:
>
> https://forum.manjaro.org/t/chrome-chromium-and-html5-video-lags-low-fps/2257/30
>
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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[wcramer via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=356479

wcramer  changed:

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Simone Gaiarin via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #83 from Simone Gaiarin  ---
The video lag on chrome may be related to other causes. I had the problem as
well. 
See this:
https://forum.manjaro.org/t/chrome-chromium-and-html5-video-lags-low-fps/2257/30

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Larpon via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #82 from Larpon  ---
On my system it seem to be whenever theres "movement" on the screen;
animated icons, youtube playback in chrome makes CPUs sweat, animated fades
between two images in the Picture frame plasmoid, drawing in Krita etc. the
CPU is up 20 - 40%. I've developed a game in Qt which uses a lot of QML
animations but it doesn't do anything to the CPU so it must be a plasma
thing of some sort :/

On 11:57, Sun, 2 Oct 2016 Fabian Vogt via KDE Bugzilla, <
bugzilla_nore...@kde.org> wrote:

> https://bugs.kde.org/show_bug.cgi?id=356479
>
> --- Comment #81 from Fabian Vogt  ---
> (In reply to Simone Gaiarin from comment #78)
> > My workaround for the spinning file transfer is to modify the qml code
> and
> > make it not spin. What other  "animated task manager (?) icons"  are
> causing
> > the problem beside the file transfer spinner?
>
> I don't know, I haven't hit that bug, only the tray icon one with skype.
>
> > I still haven't tried your patch for the system tray icon. Can I just
> > recompile the system tray or does it require to recompile the whole
> plasma?
>
> You only need to rebuild
> %{_libdir}/qt5/plugins/plasma/applets/org.kde.plasma.private.systemtray.so
>
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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Fabian Vogt via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #81 from Fabian Vogt  ---
(In reply to Simone Gaiarin from comment #78)
> My workaround for the spinning file transfer is to modify the qml code and
> make it not spin. What other  "animated task manager (?) icons"  are causing
> the problem beside the file transfer spinner?

I don't know, I haven't hit that bug, only the tray icon one with skype.

> I still haven't tried your patch for the system tray icon. Can I just
> recompile the system tray or does it require to recompile the whole plasma?

You only need to rebuild
%{_libdir}/qt5/plugins/plasma/applets/org.kde.plasma.private.systemtray.so

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[nicholas via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #80 from nicholas  ---
Modifying the qml gets tedious due to updates, especially tumbleweed

On 2 Oct 2016 11:49, "Simone Gaiarin via KDE Bugzilla" <
bugzilla_nore...@kde.org> wrote:

> https://bugs.kde.org/show_bug.cgi?id=356479
>
> --- Comment #78 from Simone Gaiarin  ---
> My workaround for the spinning file transfer is to modify the qml code and
> make
> it not spin. What other  "animated task manager (?) icons"  are causing the
> problem beside the file transfer spinner?
>
> I still haven't tried your patch for the system tray icon. Can I just
> recompile
> the system tray or does it require to recompile the whole plasma?
>
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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[AnAkkk via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #79 from AnAkkk  ---
The weird thing is that this issue does not happen with Plasma Wayland, so it
is probably not only related to only "malloc", but this might be an issue in
the X11 specific code.

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Simone Gaiarin via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #78 from Simone Gaiarin  ---
My workaround for the spinning file transfer is to modify the qml code and make
it not spin. What other  "animated task manager (?) icons"  are causing the
problem beside the file transfer spinner?

I still haven't tried your patch for the system tray icon. Can I just recompile
the system tray or does it require to recompile the whole plasma?

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[nicholas via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #76 from nicholas  ---
(In reply to Fabian Vogt from comment #74)
> (In reply to Simone Gaiarin from comment #72)
> > Is it there any progress on this? Plasma 5.8 is LTS and still has this bug,
> > that seems quite critical to  me. There are multiple animated icons in the
> > task bar and some of them keep the animation running for a long time causing
> > the CPU to be always on.
> > 
> > 
> > - File transfer
> > - Skype
> > - Update notification on Manjaro (I need to kill this or update the system,
> > or my CPU is always on).
> 
> As far as I can tell there are actually two separate bugs: The one is for
> system tray icons (such as skype or your update notification) and my patch
> fixes that and the other one is with animated task manager (?) icons, such
> as file transfer.

1. your patch does not seem to have progressed since proposal?, or could you
update on status?

2. instead of trying to fix this why not bypass the issue, use a static graphic
e.g. a "cloud" around the icon instead of animated spinners? using half my
system resources to indicate a file is transferring is an extremely poor
trade-off.

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Fabian Vogt via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #77 from Fabian Vogt  ---
(In reply to nicholas from comment #76)
> (In reply to Fabian Vogt from comment #74)
> > As far as I can tell there are actually two separate bugs: The one is for
> > system tray icons (such as skype or your update notification) and my patch
> > fixes that and the other one is with animated task manager (?) icons, such
> > as file transfer.
> 
> 1. your patch does not seem to have progressed since proposal?, or could you
> update on status?

It's mainly a PoC and workaround and not a proper fix. It still applies to
current plasma-workspace git.

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[nicholas via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #75 from nicholas  ---
(In reply to Fabian Vogt from comment #74)
> (In reply to Simone Gaiarin from comment #72)
> > Is it there any progress on this? Plasma 5.8 is LTS and still has this bug,
> > that seems quite critical to  me. There are multiple animated icons in the
> > task bar and some of them keep the animation running for a long time causing
> > the CPU to be always on.
> > 
> > 
> > - File transfer
> > - Skype
> > - Update notification on Manjaro (I need to kill this or update the system,
> > or my CPU is always on).
> 
> As far as I can tell there are actually two separate bugs: The one is for
> system tray icons (such as skype or your update notification) and my patch
> fixes that and the other one is with animated task manager (?) icons, such
> as file transfer.

1. your patch does not seem to have progressed since proposal?, or could you
update on status?

2. instead of trying to fix this why not bypass the issue, use a static graphic
e.g. a "cloud" around the icon instead of animated spinners? using half my
system resources to indicate a file is transferring is an extremely poor
trade-off.

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #73 from andreas.sturmlech...@gmail.com ---
I've basically removed every widget from the desktop that would (even if not
visible) drive up my CPU like crazy - especially to save battery time.

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Fabian Vogt via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #74 from Fabian Vogt  ---
(In reply to Simone Gaiarin from comment #72)
> Is it there any progress on this? Plasma 5.8 is LTS and still has this bug,
> that seems quite critical to  me. There are multiple animated icons in the
> task bar and some of them keep the animation running for a long time causing
> the CPU to be always on.
> 
> 
> - File transfer
> - Skype
> - Update notification on Manjaro (I need to kill this or update the system,
> or my CPU is always on).

As far as I can tell there are actually two separate bugs: The one is for
system tray icons (such as skype or your update notification) and my patch
fixes that and the other one is with animated task manager (?) icons, such as
file transfer.

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Simone Gaiarin via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #72 from Simone Gaiarin  ---
Is it there any progress on this? Plasma 5.8 is LTS and still has this bug,
that seems quite critical to  me. There are multiple animated icons in the task
bar and some of them keep the animation running for a long time causing the CPU
to be always on.


- File transfer
- Skype
- Update notification on Manjaro (I need to kill this or update the system, or
my CPU is always on).

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[avlas via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=356479

avlas  changed:

   What|Removed |Added

 CC||jsar...@gmail.com

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Søren Holm via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=356479

Søren Holm  changed:

   What|Removed |Added

 CC||s...@sgh.dk

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=356479

t...@gmx.net changed:

   What|Removed |Added

 CC||t...@gmx.net

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Bogdan Mihaila via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=356479

Bogdan Mihaila  changed:

   What|Removed |Added

 CC||bogdan.miha...@gmx.de

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[David Edmundson via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=356479

David Edmundson  changed:

   What|Removed |Added

 CC||a...@cryptomilk.org

--- Comment #71 from David Edmundson  ---
*** Bug 351448 has been marked as a duplicate of this bug. ***

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[nicholas via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #70 from nicholas  ---
Glad you found the patch.

Just thinking of alternate approach to identify the source of this:
1. someone who knows QT writes a small app containing spinner.
2. spinner can now be triggered in a controlled manner, we can test the effect
of controlling parameters. 
3. uses on different systems can compare behaviour in a quantitative manner
4. push this back up through KDE/QT to find the source of the issue.
At a guess i assume it is something relatively simple like excessive/duplicate
screen updates

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Simone Gaiarin via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #69 from Simone Gaiarin  ---
Searching I've found a workaround to disable the spinning in BusyIndicator.
Works for me, but disables the animation.

https://bugs.kde.org/show_bug.cgi?id=312920#c3

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Simone Gaiarin via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=356479

--- Comment #68 from Simone Gaiarin  ---
What is the modification to NotificationIcon.qml mentioned by Nicholas? I've
the same problem especially for copying file over the network,

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[plasmashell] [Bug 356479] plasmashell uses 100% CPU when there is an animation in the task bar

[Simone Gaiarin via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=356479

Simone Gaiarin  changed:

   What|Removed |Added

 CC||simg...@gmail.com

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