[konsole] [Bug 354082] high cpu usage for screen redrawing with qt5.5

https://bugs.kde.org/show_bug.cgi?id=354082 . changed: What|Removed |Added CC|dev.rindeal+bugs.kde.org@gm | |ail.com | -- You

[konsole] [Bug 354082] high cpu usage for screen redrawing with qt5.5

https://bugs.kde.org/show_bug.cgi?id=354082 Simon Andric changed: What|Removed |Added CC||simonandr...@gmail.com

[konsole] [Bug 354082] high cpu usage for screen redrawing with qt5.5

https://bugs.kde.org/show_bug.cgi?id=354082 --- Comment #26 from Martin Sandsmark --- the Qt bug report was linked above, and was closed with this: https://codereview.qt-project.org/#/c/166532 -- You are receiving this mail because: You are watching all bug changes.

[konsole] [Bug 354082] high cpu usage for screen redrawing with qt5.5

https://bugs.kde.org/show_bug.cgi?id=354082 --- Comment #25 from Sven Brauch --- Can you link to the upstream change which fixed this issue? -- You are receiving this mail because: You are watching all bug changes.

[konsole] [Bug 354082] high cpu usage for screen redrawing with qt5.5

https://bugs.kde.org/show_bug.cgi?id=354082 Antonio Rojas changed: What|Removed |Added CC|aro...@archlinux.org| -- You are receiving

[konsole] [Bug 354082] high cpu usage for screen redrawing with qt5.5

https://bugs.kde.org/show_bug.cgi?id=354082 Martin Sandsmark changed: What|Removed |Added Resolution|--- |UPSTREAM

[konsole] [Bug 354082] high cpu usage for screen redrawing with qt5.5

https://bugs.kde.org/show_bug.cgi?id=354082 Martin Sandsmark changed: What|Removed |Added CC|

[konsole] [Bug 354082] high cpu usage for screen redrawing with qt5.5

https://bugs.kde.org/show_bug.cgi?id=354082 Alexander Miroshnichenko changed: What|Removed |Added CC|

[konsole] [Bug 354082] high cpu usage for screen redrawing with qt5.5

https://bugs.kde.org/show_bug.cgi?id=354082 --- Comment #22 from Sven Brauch --- Can we maybe fix this in konsole instead? Its use of the API does seem strange judging from what you describe. -- You are receiving this mail because: You are watching all bug changes.

[konsole] [Bug 354082] high cpu usage for screen redrawing with qt5.5

https://bugs.kde.org/show_bug.cgi?id=354082 --- Comment #21 from Sven Brauch --- Cool, many thanks for investigating this! Your fix looks sensible to me (if the glyph height is zero there is nothing to do), but I'm not really qualified to review it. Did you submit it to the

[konsole] [Bug 354082] high cpu usage for screen redrawing with qt5.5

https://bugs.kde.org/show_bug.cgi?id=354082 --- Comment #20 from Viktor Kuzmin --- I had no time currently to investigate problem completely -> this patch is 'hack' for me right now. Will have more time next week. Anyway I have normal cpu usage in konsole (5-7% one core max)

[konsole] [Bug 354082] high cpu usage for screen redrawing with qt5.5

https://bugs.kde.org/show_bug.cgi?id=354082 --- Comment #19 from Viktor Kuzmin --- https://bugreports.qt.io/browse/QTBUG-49452 -- You are receiving this mail because: You are watching all bug changes.

[konsole] [Bug 354082] high cpu usage for screen redrawing with qt5.5

https://bugs.kde.org/show_bug.cgi?id=354082 Antonio Rojas changed: What|Removed |Added CC||aro...@archlinux.org ---

[konsole] [Bug 354082] high cpu usage for screen redrawing with qt5.5

https://bugs.kde.org/show_bug.cgi?id=354082 --- Comment #17 from Viktor Kuzmin --- Already done. -- You are receiving this mail because: You are watching all bug changes.

[konsole] [Bug 354082] high cpu usage for screen redrawing with qt5.5

https://bugs.kde.org/show_bug.cgi?id=354082 --- Comment #16 from Sven Brauch --- If that indeed improves things, you should definitely submit it to Qt. Here is not a good place for it :) -- You are receiving this mail because: You are watching all bug changes.

[konsole] [Bug 354082] high cpu usage for screen redrawing with qt5.5

https://bugs.kde.org/show_bug.cgi?id=354082 --- Comment #15 from Viktor Kuzmin --- It seems that konsole renders lot's of 'spaces' and glyph height is zero in that case. I've created small hacky patch and performance is OK now. Also I've not noticed any artifacts. Sorry if I'm

[konsole] [Bug 354082] high cpu usage for screen redrawing with qt5.5

https://bugs.kde.org/show_bug.cgi?id=354082 --- Comment #14 from Viktor Kuzmin --- Any chances for fix :( Bug is still here... -- You are receiving this mail because: You are watching all bug changes.

[konsole] [Bug 354082] high cpu usage for screen redrawing with qt5.5

https://bugs.kde.org/show_bug.cgi?id=354082 Dmitry changed: What|Removed |Added CC||nrn...@gmail.com -- You are

[konsole] [Bug 354082] high cpu usage for screen redrawing with qt5.5

https://bugs.kde.org/show_bug.cgi?id=354082 bugs.kde@online.posch.name changed: What|Removed |Added CC||bugs.kde.org@online.posch.n

[konsole] [Bug 354082] high cpu usage for screen redrawing with qt5.5

https://bugs.kde.org/show_bug.cgi?id=354082 cpon changed: What|Removed |Added CC||cpigat...@gmail.com -- You are

[konsole] [Bug 354082] high cpu usage for screen redrawing with qt5.5

https://bugs.kde.org/show_bug.cgi?id=354082 Teet Talviste changed: What|Removed |Added CC|

[konsole] [Bug 354082] high cpu usage for screen redrawing with qt5.5

https://bugs.kde.org/show_bug.cgi?id=354082 --- Comment #11 from Viktor Kuzmin --- Bug still exists. I'm using gentoo ~x64. I've tried both konsole-4 and latest konsole. My test is to launch top in konsole and to constantly make text selection. konsole-4 eats less then 5% of

[konsole] [Bug 354082] high cpu usage for screen redrawing with qt5.5

https://bugs.kde.org/show_bug.cgi?id=354082 Sven Brauch changed: What|Removed |Added Status|UNCONFIRMED |CONFIRMED Ever

[konsole] [Bug 354082] high cpu usage for screen redrawing with qt5.5

https://bugs.kde.org/show_bug.cgi?id=354082 --- Comment #10 from wojtek --- Strange. I'm still using qt.5.5.1 but I'm not able to reproduce this bug anymore. I have strange feeling that breeze style was the root this problem. For example this commit resolved slow startup and

[konsole] [Bug 354082] high cpu usage for screen redrawing with qt5.5

https://bugs.kde.org/show_bug.cgi?id=354082 --- Comment #9 from Sven Brauch --- Any news on this? Currently I have the choice between ugly and dog-slow font rendering, which is really annoying. :( -- You are receiving this mail because: You are watching all bug changes.

[konsole] [Bug 354082] high cpu usage for screen redrawing with qt5.5

https://bugs.kde.org/show_bug.cgi?id=354082 --- Comment #7 from Viktor Kuzmin --- konsole-4 have no problems with infinality. Also getting rid of infinality is really not an option IMHO. -- You are receiving this mail because: You are watching all bug changes.

[konsole] [Bug 354082] high cpu usage for screen redrawing with qt5.5

https://bugs.kde.org/show_bug.cgi?id=354082 --- Comment #8 from Sven Brauch --- Yes I guess this is a Qt5.5+ bug, no? -- You are receiving this mail because: You are watching all bug changes.

[konsole] [Bug 354082] high cpu usage for screen redrawing with qt5.5

https://bugs.kde.org/show_bug.cgi?id=354082 Sven Brauch changed: What|Removed |Added CC||m...@svenbrauch.de ---

[konsole] [Bug 354082] high cpu usage for screen redrawing with qt5.5

https://bugs.kde.org/show_bug.cgi?id=354082 rindeal changed: What|Removed |Added CC|