Bug 466502 - GPU Usage/Memory shows "inf%" on Processes tab scaled modes
Summary: GPU Usage/Memory shows "inf%" on Processes tab scaled modes
Status: REPORTED
Alias: None
Product: plasma-systemmonitor
Classification: Applications
Component: general (other bugs)
Version First Reported In: 5.27.1
Platform: Arch Linux Linux
: NOR minor
Target Milestone: ---
Assignee: KSysGuard Developers
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2023-02-27 03:08 UTC by homie
Modified: 2025-05-29 01:39 UTC (History)
3 users (show)

See Also:
Latest Commit:
Version Fixed/Implemented In:
Sentry Crash Report:


Attachments
Screencap showing inf% with a visible chart, a blank line, and two chart histories visible with no text. Above is Psensor readings of the "graphics" and "video" sensors' current/min/max values. (37.01 KB, image/png)
2023-02-27 03:08 UTC, homie
Details

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Description homie 2023-02-27 03:08:29 UTC
Created attachment 156773 [details]
Screencap showing inf% with a visible chart, a blank line, and two chart histories visible with no text. Above is Psensor readings of the "graphics" and "video" sensors' current/min/max values.

SUMMARY
When using the GPU Usage & GPU Memory columns in the processes tab set to the "Line Chart (Scaled to 100%)" or "Text Only (Scaled to 100%)" modes, the text values read either "inf%", or are blank. The line charts don't seem to work properly either.


STEPS TO REPRODUCE
1. Open System Monitor
2. Switch to Processes tab
3. In "Configure columns..." switch GPU Usage or GPU Memory from "hidden" to "Line Chart (Scaled to 100%)" or "Text Only (Scaled to 100%)"
4. Run a GPU-intensive operation (i.e. hardware transcoding video in Handbrake)
5. Observe the columns for a moment

OBSERVED RESULT
Text reads either "inf%" or is blank; line charts appear to stay near the top or are blank.

EXPECTED RESULT
Text should read a percentage from 0-100 based on process usage; charts should accurately follow that as well.

SOFTWARE/OS VERSIONS
Operating System: Arch Linux 
KDE Plasma Version: 5.27.1
KDE Frameworks Version: 5.103.0
Qt Version: 5.15.8
Kernel Version: 6.1.12-arch1-1 (64-bit)
Graphics Platform: X11
Processors: 8 × Intel® Core™ i7-7700K CPU @ 4.20GHz
Memory: 15.6 GiB of RAM
Graphics Processor: NVIDIA GeForce RTX 2060/PCIe/SSE2

ADDITIONAL INFORMATION
My GPU is the MSI RTX 2060 Ventus GP 12GB OC - perhaps the overclocking is breaking things? When using a System Monitor widget to show overall GPU Usage, the percentage can rise above 100%. Cross-referencing with Psensor, it appears the GPU usage sensor adds the "graphics" and "video" sensors together, both of which presumably go from 0-100% (though when testing, the "graphics" sensor had only hit a max of 70%).
Comment 1 John Kizer 2025-05-10 03:43:07 UTC
Thank you for the bug report. Unfortunately we were not able to get to it yet. Can we ask you to please check if this is still an issue with Plasma 6.3.5?
Comment 2 Bug Janitor Service 2025-05-25 03:48:15 UTC
🐛🧹 ⚠️ This bug has been in NEEDSINFO status with no change for at least 15 days. Please provide the requested information, then set the bug status to REPORTED. If there is no change for at least 30 days, it will be automatically closed as RESOLVED WORKSFORME.

For more information about our bug triaging procedures, please read https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging.

Thank you for helping us make KDE software even better for everyone!
Comment 3 homie 2025-05-27 21:42:00 UTC
(In reply to John Kizer from comment #1)
> Thank you for the bug report. Unfortunately we were not able to get to it
> yet. Can we ask you to please check if this is still an issue with Plasma
> 6.3.5?

Sorry for the late response. Yes, it still happens, although I noticed that it appears to happen almost randomly to a few more applications than before; for example, Xwayland, plasmashell, and plasma-systemmonitor are all blinking with inf% now. Not sure if this happened before and I didn't notice, or if it's new... I'm inclined to say the former as the text only shows up occasionally. Even more strangely, I had System Monitor open while typing out the rest of this message, and Discord started showing spikes on the usage/memory graphs without showing any text/percentages - even though the ones that show inf% don't show anything on their graphs.
Not sure how important this is, but I have upgraded my system in the intervening time - I now have an i5-14500 and 64GB of RAM, though the same 2060 GPU.