[kdenlive] [Bug 364837] High CPU usage when kdenlive window is on top

[Bug Janitor Service]

https://bugs.kde.org/show_bug.cgi?id=364837

Bug Janitor Service  changed:

   What|Removed |Added

 Resolution|WAITINGFORINFO  |WORKSFORME
 Status|NEEDSINFO   |RESOLVED

--- Comment #22 from Bug Janitor Service  ---
This bug has been in NEEDSINFO status with no change for at least
30 days. The bug is now closed as RESOLVED > WORKSFORME
due to lack of needed information.

For more information about our bug triaging procedures please read the
wiki located here:
https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging

Thank you for helping us make KDE software even better for everyone!

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[kdenlive] [Bug 364837] High CPU usage when kdenlive window is on top

[Bug Janitor Service]

https://bugs.kde.org/show_bug.cgi?id=364837

--- Comment #21 from Bug Janitor Service  ---
Dear Bug Submitter,

This bug has been in NEEDSINFO status with no change for at least
15 days. Please provide the requested information as soon as
possible and set the bug status as REPORTED. Due to regular bug
tracker maintenance, if the bug is still in NEEDSINFO status with
no change in 30 days the bug will be closed as RESOLVED > WORKSFORME
due to lack of needed information.

For more information about our bug triaging procedures please read the
wiki located here:
https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging

If you have already provided the requested information, please
mark the bug as REPORTED so that the KDE team knows that the bug is
ready to be confirmed.

Thank you for helping us make KDE software even better for everyone!

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[kdenlive] [Bug 364837] High CPU usage when kdenlive window is on top

[emohr]

https://bugs.kde.org/show_bug.cgi?id=364837

emohr  changed:

   What|Removed |Added

 Resolution|--- |WAITINGFORINFO
 Status|CONFIRMED   |NEEDSINFO

--- Comment #20 from emohr  ---
CPU issue should be better (lower) in actual refactoring version.

Please try with the actual Kdenlive_Nightly_Appimage
https://binary-factory.kde.org/job/Kdenlive_Nightly_Appimage_Build/lastSuccessfulBuild/artifact/

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[kdenlive] [Bug 364837] High CPU usage when kdenlive window is on top

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=364837

fritzib...@gmx.net changed:

   What|Removed |Added

 CC||fritzib...@gmx.net
  Flags||Brainstorm+

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[kdenlive] [Bug 364837] High CPU usage when kdenlive window is on top

[BobSCA]

https://bugs.kde.org/show_bug.cgi?id=364837

--- Comment #19 from BobSCA  ---
Just upgraded from kdenlive-master ppa -- problem still occurs.

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[kdenlive] [Bug 364837] High CPU usage when kdenlive window is on top

[farid]

https://bugs.kde.org/show_bug.cgi?id=364837

farid  changed:

   What|Removed |Added

 CC||snd.no...@gmail.com

--- Comment #18 from farid  ---
Could you please test if this has been fixed? Eitherwat I am thinking of
closing this since it is not a Kdenlive issue per se.

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[kdenlive] [Bug 364837] High CPU usage when kdenlive window is on top

[Wegwerf via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=364837

--- Comment #17 from Wegwerf  ---
As JBM just pointed out, the fix hasn't yet landed in Qt, so we'll have to
wait.

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[kdenlive] [Bug 364837] High CPU usage when kdenlive window is on top

[BobSCA via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=364837

--- Comment #16 from BobSCA  ---
Wegwerf, I am not familiar with Qt and don't know if there has been a Qt
upgrade. Is there something specific you would like me to check?

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[kdenlive] [Bug 364837] High CPU usage when kdenlive window is on top

[Jean-Baptiste Mardelle via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=364837

--- Comment #15 from Jean-Baptiste Mardelle  ---
Some update about this:
The Qt-bug is not fixed:
https://bugreports.qt.io/browse/QTBUG-54676
But I pushed a workaround in master so it shouldn't be a problem anymore.

The KDE Frameworks bug is still not fixed despite my patch proposal, I just
pinged the Frameworks maintainer:
https://git.reviewboard.kde.org/r/128421/

So it still causes CPU usage and prevents going to sleep. I hope we can find a
solution for KDE Framewors 5.28.

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[kdenlive] [Bug 364837] High CPU usage when kdenlive window is on top

[Wegwerf via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=364837

--- Comment #14 from Wegwerf  ---
As this is an Qt issue, did you see an Qt upgrade in the meantime?

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[kdenlive] [Bug 364837] High CPU usage when kdenlive window is on top

[BobSCA via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=364837

--- Comment #13 from BobSCA  ---
I did an upgrade from the kdenlive-master ppa and found there was no change in
CPU usage.

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[kdenlive] [Bug 364837] High CPU usage when kdenlive window is on top

[Wegwerf via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=364837

--- Comment #12 from Wegwerf  ---
Bob, can you please report as to the current status: please try with recent
development version and please report back if the bug is now fixed for you.
Thank you very much for your cooperation!

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[kdenlive] [Bug 364837] High CPU usage when kdenlive window is on top

[Wegwerf via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=364837

--- Comment #11 from Wegwerf  ---
I've checked the master and it lists JBM's fix for the Qt issue. Looks as it
didn't fix the bug for you. Thank you for quickly checking!

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[kdenlive] [Bug 364837] High CPU usage when kdenlive window is on top

[BobSCA via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=364837

--- Comment #10 from BobSCA  ---
I just did an upgrade from the kdenlive-master ppa and found that I still have
the problem. 

I'm not sure if the above commit into the Applications/16.08 branch is
currently merged and compiled on that ppa. Version shows as 16.11.70.

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[kdenlive] [Bug 364837] High CPU usage when kdenlive window is on top

[Wegwerf via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=364837

Wegwerf  changed:

   What|Removed |Added

 CC||wegwerf-1-...@gmx.de

--- Comment #9 from Wegwerf  ---
BobSCA, can you please check whether the fix correctly fixes the bug for you?
If yes, I would like to ask you to be so kind as to close this bug report as
resolved. Thank you very much for your cooperation!

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[kdenlive] [Bug 364837] High CPU usage when kdenlive window is on top

[Jean-Baptiste Mardelle via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=364837

--- Comment #8 from Jean-Baptiste Mardelle  ---
Git commit 98a3d5800d787414e44fc53ff3a39e78655fc7e4 by Jean-Baptiste Mardelle.
Committed on 29/07/2016 at 07:03.
Pushed by mardelle into branch 'Applications/16.08'.

Workaround Qt bug 54676 causing high CPU usage

M  +28   -13   src/bin/bin.cpp
M  +6-0src/bin/bin.h

http://commits.kde.org/kdenlive/98a3d5800d787414e44fc53ff3a39e78655fc7e4

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[kdenlive] [Bug 364837] High CPU usage when kdenlive window is on top

[Jean-Baptiste Mardelle via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=364837

--- Comment #7 from Jean-Baptiste Mardelle  ---
Yes, I have identified and reported another issue - this time in Qt - where the
project bin search bar uses huge cpu resources if it is resized to be very
small.
https://bugreports.qt.io/browse/QTBUG-54676

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[kdenlive] [Bug 364837] High CPU usage when kdenlive window is on top

[Guido via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=364837

--- Comment #6 from Guido  ---
if I remove the project bin the problem disappears

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[kdenlive] [Bug 364837] High CPU usage when kdenlive window is on top

[Guido via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=364837

--- Comment #5 from Guido  ---
I applied you proposed but the problem is still there also after a logout/login
Kdenlive uses about 100% CPU and Xorg about 30% CPU.

Xorg 1.18.4
Intel driver (SNA accelmethod)
KDE Plasma 5.7

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[kdenlive] [Bug 364837] High CPU usage when kdenlive window is on top

[Guido via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=364837

Guido  changed:

   What|Removed |Added

 CC||guido.iod...@gmail.com

--- Comment #4 from Guido  ---
I can confirm the behaviour descripted by J-B. 
Kdenlive uses about 100% CPU while is doing nothing.

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[kdenlive] [Bug 364837] High CPU usage when kdenlive window is on top

[BobSCA via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=364837

--- Comment #3 from BobSCA  ---
Thanks for your response, Jean-Baptiste. I tried resizing the bin from very
narrow to full window width, and even turned off the bin display and every
other windows shown in the View menu. CPU usage remains unchanged.

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[kdenlive] [Bug 364837] High CPU usage when kdenlive window is on top

[Jean-Baptiste Mardelle via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=364837

Jean-Baptiste Mardelle  changed:

   What|Removed |Added

 Status|UNCONFIRMED |CONFIRMED
 Ever confirmed|0   |1

--- Comment #2 from Jean-Baptiste Mardelle  ---
Thanks for your reports. I did trace part of the problem to an issue with KDE
Toolbars that I reported here: bug #365050

Also, I see a big CPU increase if the project bin's width is reduced so that
the search line in the project Bin is very small. Resizing bin so that the
search line is bigger fixes the high CPU usage

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[kdenlive] [Bug 364837] High CPU usage when kdenlive window is on top

[PenGYveR via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=364837

PenGYveR  changed:

   What|Removed |Added

 CC||puche.da...@gmail.com

--- Comment #1 from PenGYveR  ---
Same kind of problem for me. I just launch kdenlive and the CPU is instantly
completely used. Kdenlive is usable. Switching to another applications or
opening kdenlive dialogs doesn't reduce CPU usage.

OS : kaos
Kdenlive : 16.04.2
QT : 5.7.0
KDE Frameworks : 5.23.0

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