https://bugs.kde.org/show_bug.cgi?id=455973
Bug ID: 455973
Summary: High CPU and memory usage related to QMimeData and
DataControlSource
Product: plasmashell
Version: 5.25.1
Platform: openSUSE RPMs
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: generic-performance
Assignee: plasma-b...@kde.org
Reporter: scripp...@tutanota.com
Target Milestone: 1.0
Created attachment 150173
--> https://bugs.kde.org/attachment.cgi?id=150173&action=edit
Picture of GammaRay showing the continuous instanciation of QMimeData &
DataControlSource classes
SUMMARY
After boot, Plasmashell used a very high amount of CPU power and RAM.
It seems to be related to QMimeData (Drag & Drop) and DataControlSource as
there was a huge amount of these objects (at the end ~ 8 million).
This information was shown by GammaRay (screenshot attached).
STEPS TO REPRODUCE
Unknown.
OBSERVED RESULT
High CPU and RAM usage until Plasmashell was killed by the system.
EXPECTED RESULT
No high CPU and memory usage.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma:
KDE Plasma Version: 5.25.1
KDE Frameworks Version: 5.95.0
Qt Version: 5.15.2
ADDITIONAL INFORMATION
Probably related to bugs 454590 & 455625, but now in a newer version.
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