[plasmashell] [Bug 469532] KDE laggs horrible when io is active

2025-06-15 Thread Moritz
https://bugs.kde.org/show_bug.cgi?id=469532

--- Comment #8 from Moritz  ---
*** Bug 410760 has been marked as a duplicate of this bug. ***

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[plasmashell] [Bug 469532] KDE laggs horrible when io is active

2025-06-15 Thread Moritz
https://bugs.kde.org/show_bug.cgi?id=469532

Moritz  changed:

   What|Removed |Added

 Ever confirmed|1   |0
 Resolution|WAITINGFORINFO  |---
 Status|NEEDSINFO   |REPORTED

--- Comment #7 from Moritz  ---
I don't think so (the attachment is from 2023).

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[plasmashell] [Bug 469532] KDE laggs horrible when io is active

2025-06-13 Thread John Kizer
https://bugs.kde.org/show_bug.cgi?id=469532

John Kizer  changed:

   What|Removed |Added

 Status|REOPENED|NEEDSINFO
 Resolution|--- |WAITINGFORINFO
 CC||john.ki...@proton.me

--- Comment #6 from John Kizer  ---
Hi - I noticed in the System Monitor screenshot that there was a lot of network
activity shown - does the interface lag you're describing occur when copying
between two standard user folders on the same local, physical device, or does a
remote/network device need to be involved somehow?

Thanks!

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[plasmashell] [Bug 469532] KDE laggs horrible when io is active

2025-05-30 Thread Méven
https://bugs.kde.org/show_bug.cgi?id=469532

Méven  changed:

   What|Removed |Added

 CC||me...@kde.org

--- Comment #5 from Méven  ---
Using hotspot https://github.com/KDAB/hotspot on plasmashell process during the
lag would be very helpful.

I suspect we do some synchronized IO on the busy device, when we can probably
avoid it.
But spotting which part of plasmashell does it is not easy, using hotspot can
identify it.

kwin might be concerned too, but you can't use hotspot on it, or you would
break your input...

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[plasmashell] [Bug 469532] KDE laggs horrible when io is active

2025-04-23 Thread Matthias Dahl
https://bugs.kde.org/show_bug.cgi?id=469532

Matthias Dahl  changed:

   What|Removed |Added

 CC||ua_bugz_kde@binary-island.e
   ||u

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[plasmashell] [Bug 469532] KDE laggs horrible when io is active

2025-04-18 Thread Moritz
https://bugs.kde.org/show_bug.cgi?id=469532

--- Comment #4 from Moritz  ---
Kind of, but more by design (or by money).

"Only" enterprise ssds are better in this case, but consumer ssds are just
shit. I am observing this on 3 of my computers. 

But KDE has its issues there too, because I am kind of thinking there is some
issue of doing or waiting for disk io in the rendering thread. In the
application and probably also in the window manager, because applications that
don't interact with io are often hanging/freezing.

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[plasmashell] [Bug 469532] KDE laggs horrible when io is active

2025-04-11 Thread Nate Graham
https://bugs.kde.org/show_bug.cgi?id=469532

--- Comment #3 from Nate Graham  ---
It sounds like a hardware issue honestly.

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[plasmashell] [Bug 469532] KDE laggs horrible when io is active

2025-04-10 Thread Moritz
https://bugs.kde.org/show_bug.cgi?id=469532

Moritz  changed:

   What|Removed |Added

 Resolution|DUPLICATE   |---
 Status|RESOLVED|REOPENED
 Ever confirmed|0   |1

--- Comment #2 from Moritz  ---
This is actually not a duplicate of the mentioned bug, the other bug describes
high dolphin cpu load.


So reproducing this is quite easy with cheap consumer ssds. You copy files and
the ssd cache fills up and then io operations on the ssd get really slow and
pretty much stop. That is when everything (including the cursor) starts lagging
and there are way less screen updates, applications (like dolphin) start to
freeze and eventuelly (when the os flushed all file system changes and the ssd
can write again) become response again.

Probably something (maybe in kwin?) is waiting for something from the ssd.
Maybe it is also some io bug in the kernel? Did not track this one down.

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[plasmashell] [Bug 469532] KDE laggs horrible when io is active

2023-08-04 Thread Nate Graham
https://bugs.kde.org/show_bug.cgi?id=469532

Nate Graham  changed:

   What|Removed |Added

 Resolution|--- |DUPLICATE
 CC||n...@kde.org
   Target Milestone|--- |1.0
Version|unspecified |5.27.4
   Assignee|unassigned-b...@kde.org |plasma-b...@kde.org
  Component|general |generic-performance
Product|kde |plasmashell
 Status|REPORTED|RESOLVED

--- Comment #1 from Nate Graham  ---


*** This bug has been marked as a duplicate of bug 469753 ***

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