https://bugs.kde.org/show_bug.cgi?id=417592
David Edmundson changed:
What|Removed |Added
Status|REPORTED|RESOLVED
Resolution|---
https://bugs.kde.org/show_bug.cgi?id=417592
soredake changed:
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odzi...@gmail.com changed:
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--- Comment #15 from
https://bugs.kde.org/show_bug.cgi?id=417592
--- Comment #14 from bug2...@wolke7.net ---
For me it has also improved with linux-2.6.3 too.
But it also confirms, that we have two performance problems. The major one
probably haswell and suspend specific. And the second one that the compositor
is
https://bugs.kde.org/show_bug.cgi?id=417592
--- Comment #13 from Patrick Silva ---
I can't reproduce this problem with kernel 5.6.2.
Apparently it was a regression related to haswell cpus.
Operating System: Arch Linux
KDE Plasma Version: 5.18.4
KDE Frameworks Version: 5.68.0
Qt Version: 5.14.2
https://bugs.kde.org/show_bug.cgi?id=417592
--- Comment #12 from bug2...@wolke7.net ---
I can reproduce the same behavior with the unpatched version of kwin too (which
has worse performance).
At this point I can't say if the suspend resume cylce has anything to do with
that, except that it
https://bugs.kde.org/show_bug.cgi?id=417592
--- Comment #11 from bug2...@wolke7.net ---
I'm trying to understand what, what the plot in the showfps effect mean.
The most left blue bar is obviously the same fps value as displayed
numerically.
The left (colorful) plot show the compositors
https://bugs.kde.org/show_bug.cgi?id=417592
--- Comment #10 from Patrick Silva ---
I can reproduce this problem all the time with kernel 5.5.5.arch1-1.
For some reason refresh rate of my monitor was set to 50hz in "Display
configuration" kcm only on Wayland. I changed it to 60hz and refresh rate
https://bugs.kde.org/show_bug.cgi?id=417592
--- Comment #9 from bug2...@wolke7.net ---
Since my reboot on the 23rd I could not reproduce that problem with 4 resume
cycles. I had no relevant updates, so the same machine might or might not
reproduce the problem.
One question is: Does it needs to
https://bugs.kde.org/show_bug.cgi?id=417592
--- Comment #8 from Patrick Silva ---
I have just noticed that I can't reproduce this problem on my problematic
machine
with kernel 5.4.21-1 LTS. But fps is still permanently lower (50fps) on Wayland
session.
Operating System: Arch Linux
KDE Plasma
https://bugs.kde.org/show_bug.cgi?id=417592
--- Comment #7 from Patrick Silva ---
yes, the problem persists with Plasma 5.18.1 on my desktop computer.
I have just tested Wayland session on another computer (laptop) running
Neon unstable edition and the problem did not occur this time.
Framerate
https://bugs.kde.org/show_bug.cgi?id=417592
bug2...@wolke7.net changed:
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--- Comment #6 from
https://bugs.kde.org/show_bug.cgi?id=417592
--- Comment #5 from Patrick Silva ---
Restart kwin does not solve this issue. I need to relogin or reboot.
Here is the output of dmesg -T after resume on X11:
[Fri Feb 14 12:40:19 2020] perf: interrupt took too long (2580 > 2500),
lowering
https://bugs.kde.org/show_bug.cgi?id=417592
--- Comment #4 from Vlad Zahorodnii ---
It would helpful to have dmesg output. Also, is the issue still present after
restarting kwin_x11?
Side note: run kwin_x11 --replace from command line to restart kwin_x11
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--- Comment #3 from Patrick Silva ---
Created attachment 125987
--> https://bugs.kde.org/attachment.cgi?id=125987=edit
Wayland after suspend
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--- Comment #2 from Patrick Silva ---
Created attachment 125986
--> https://bugs.kde.org/attachment.cgi?id=125986=edit
Wayland before suspend
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--- Comment #1 from Patrick Silva ---
Created attachment 125985
--> https://bugs.kde.org/attachment.cgi?id=125985=edit
X11 after suspend
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