https://bugs.kde.org/show_bug.cgi?id=492896
Bug ID: 492896
Summary: Resizing embedded terminal requires quite some CPU
power
Classification: Applications
Product: kate
Version: 24.08.0
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: application
Assignee: kwrite-bugs-n...@kde.org
Reporter: vincenzo.rom...@gmail.com
Target Milestone: ---
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SUMMARY
Resizing embedded terminal requires quite some CPU power and gar show lags
STEPS TO REPRODUCE
1. Open kate and display an embedded terminal (F4)
2. Open a suitable CPU monitoring tool like htop in a another standalone
terminal
3. Grab the resizing line in the embedded terminal and move it to make it
bigger or smaller
OBSERVED RESULT
The CPU monitoring tool shows CPU usage for kate to jump close to 100% for the
application in a single core.
kate lags in updating its window when the terminal is displayed aside
(vertically) of the editor panels.
No change if the terminal is empty or displays something.
EXPECTED RESULT
CPU usage is increased slightly and no lags can be noticed when the terminal is
vertical.
SOFTWARE/OS VERSIONS
GPU Intel Corporation TigerLake-LP GT2 [Iris Xe Graphics] (rev 01)
Kernel Version : 6.10.8.zen1-1
Plasma Version : 6.1.4-1
KDE Version : 24.08.0-1
Frameworks Version : 6.5.0-1
Qt5 Version : 5.15.15+kde+r4-1
Qt6 Version : 6.7.2-2
Wayland Version : 1.23.0-1
XOrg/Wayland Version : 24.1.2-1
Mesa Version : 1:24.2.2-1
LibVA Version : 2.22.0-1
LIBVA_DRIVER_NAME=iHD
ADDITIONAL INFORMATION
Two monitors setup with different scaling factors. Not sure this is relevant.
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