[Konsole-devel] [Bug 301883] Elevated CPU usage after Konsole Color Theme Change, when two or more Konsoles are open

[John Stanley]

https://bugs.kde.org/show_bug.cgi?id=301883

--- Comment #3 from John Stanley <jpsinthemix at verizon.net> ---
Ok, playing with it some more, I did the following:
1) launch a konsole: Kickoff app launcher->applications->system->konsole
2) change konsole color theme; all Ok
3) either (a) repeat step (1), or (b) open a new window from konsole->File->New
window
4) change konsole color theme in either konsole window, with 'top' running in
the konsole
5) konsole and X cpu usage momentarily jumps high for 1-2 secs, and then
reduces to and stays at an elevated level (8% for konsole, 16% for X). At this
point, focus is still in the konsole in which I made the color theme change.
Waiting for 5-10min: cpu usage remains elevated.
6) now, change focus the other konsole (top is still running in the first); 
within 1-2 seconds, cpu usage returns to normal..

Repeating these steps; same results.  So, doing the color change in one
konsole, and then quickly clicking on the second konsole (thus changing focus),
and then clicking on the first konsole to return focus to it, restores  normal
cpu usage.. Peculiar. So, could be that some processing associated with the
color theme change, while done for the konsole in which the change was made, is
not done in the other konsole(s) until they get focus ?

Of course, if you cannot reproduce the issue, then I guess it must be something
else.

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