https://bugs.kde.org/show_bug.cgi?id=393548
Bug ID: 393548
Summary: Dolphin uses one entire CPU core during scrolling when
the folder contains hundreds/thousands of jpg files
Product: dolphin
Version: 18.04.0
Platform: Archlinux Packages
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Target Milestone: ---
open ksysguard to observe cpu usage and enable "always on top" feature for its
window
Use Dolphin to open a folder containing hundreds or thousands of jpg files (my
test folders have 902 and 2140 files)
use your mouse wheel to scroll the folder content and observe Dolphin cpu usage
My cpu is Intel Celeron G1820 (2 cores, 2 threads), Dolphin cpu usage varies
between 25% and 30% almost all the time if preview (thumbnails) feature is
enabled. CPU usage varies more if preview is disabled (between 10 and 30%).
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