https://bugs.kde.org/show_bug.cgi?id=373501
Bug ID: 373501
Summary: Animated icons in system tray consume massive CPU
Product: plasmashell
Version: master
Platform: Other
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: System Tray
Assignee: plasma-b...@kde.org
Reporter: mar...@harrisonland.co.uk
Target Milestone: 1.0
I have noticed that, under normal usage, my laptop running KDE on Fedora 24 is
fast and responsive. However, when system tray notifications display
animations, the CPU usage of Xorg and plasmashell rise, with Xorg reaching 20%
and plasmashell reaching 30%. My laptop has 4 CPU cores and this usage appears
to correspond with two cores being completely occupied, bringing my laptop's
performance down considerably. The effect ends immediately after the animated
system tray icons stop animating, or are removed.
The two that I have found cause this the most reliably are the Network Manager
plasma widget and the Skype notification icon, which leads me to believe it is
consistent across plasma widgets and icons registered with libnotify or
similar.
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