https://bugs.kde.org/show_bug.cgi?id=515910
Bug ID: 515910
Summary: Noticable lag (possibly caused by full-window updates)
Classification: Applications
Product: konsole
Version First master
Reported In:
Platform: Other
OS: Linux
Status: REPORTED
Severity: minor
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Since updating Konsole, I experience a very noticable lag.
Steps to reproduce:
- resize terminal as large as possible (here: 346x99 characters)
- set high keyboard repeat rate (here: 60 per second)
- hold down any character key
Expected result:
- the characters appear and cursor moves on each repeat
Actual result:
- the characters appear delayed and cursor jumps with a noticable lag (~15
fps?)
This is a regression when I updated from bac719d to b7b2037.
If I understand commit b84fdda correctly, it causes a full viewport update on
each cursor movement.
https://invent.kde.org/utilities/konsole/-/commit/b84fdda99382dde0eadc3a7a5cae32cfc6b4cba5#44da6138f6731f1622f59c0b0b6c2dd697e2160e_47_69
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