[plasma-systemmonitor] [Bug 524424] New: Intel Arc (DG2) GPU Usage stuck at 0% in System Monitor (i915/xe fdinfo issue)

https://bugs.kde.org/show_bug.cgi?id=524424

            Bug ID: 524424
           Summary: Intel Arc (DG2) GPU Usage stuck at 0% in System
                    Monitor (i915/xe fdinfo issue)
    Classification: Applications
           Product: plasma-systemmonitor
      Version First 6.7.4
       Reported In:
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: [email protected]
          Reporter: [email protected]
                CC: [email protected], [email protected]
  Target Milestone: ---

Created attachment 195256
  --> https://bugs.kde.org/attachment.cgi?id=195256&action=edit
Screenshot showing System Monitor at 0% GPU usage while intel_gpu_top and
PasCube show active GPU load (~50%).

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DESCRIPTION
GPU usage continuously shows 0% in Plasma System Monitor even under heavy GPU
load. Checking via `intel_gpu_top` in terminal confirms that the GPU is active
(~70-80% usage), but System Monitor fails to display this metric.

STEPS TO REPRODUCE
1. Open Plasma System Monitor.
2. Launch a game or heavy GPU workload in the background (e.g. CS2 or 7-Zip
benchmark).
3. Check the GPU usage graph in System Monitor. 

OBSERVED RESULT
GPU Usage stays stuck at 0% in System Monitor, even though intel_gpu_top shows
high load (~70-80%).

EXPECTED RESULT
System Monitor should display accurate GPU usage percentage and history graphs
for Intel Arc A770.

SOFTWARE/OS VERSIONS
Operating System: Garuda Linux
KDE Plasma Version: 6.7.4
KDE Frameworks Version: 6.29.0
Qt Version: 6.11.1
Kernel Version: 6.18.44-1-lts
Graphics Platform: Wayland

ADDITIONAL INFORMATION
GPU: Intel Arc A770 16GB
Notes: intel_gpu_top shows active GPU usage (~75%), but System Monitor remains
stuck at 0% with no history graphs generated.

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