https://bugs.kde.org/show_bug.cgi?id=442075
Bug ID: 442075
Summary: OverviewWidget::generateThumbnail starts stroke
repeatedly when idle
Product: krita
Version: git master (please specify the git hash!)
Platform: unspecified
OS: Unspecified
Status: REPORTED
Severity: normal
Priority: NOR
Component: Dockers
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Target Milestone: ---
Created attachment 141333
--> https://bugs.kde.org/attachment.cgi?id=141333&action=edit
backtrace of OverviewWidget stroke spawning thread
For unknown reasons, OverviewWidget::generateThumbnail will repeatedly start a
stroke to generate the thumbnail, which triggers thread spawns about every one
second due to existing inefficiency with the thread pool implementation.
It seems to happen after creating/opening a file, closing it and then creating
another file.
(Note that this report is not about fixing the thread pool implementation.)
I have observed this behaviour with commit e7580089 on Linux docker build and
6ca8117 on Windows nightly build.
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