https://bugs.kde.org/show_bug.cgi?id=512776
Bug ID: 512776
Summary: Incorrect free memory reported by system widget
Classification: Plasma
Product: plasmashell
Version First 6.4.5
Reported In:
Platform: Ubuntu
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: System Monitor widgets
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Target Milestone: 1.0
SUMMARY
Incorrect free memory reported by system memory widget
STEPS TO REPRODUCE
1. Add a memory usage widget
2. Enable free memory display with line graph
3. Watch the free memory
OBSERVED RESULT
Comparing the free memory reported by the widget with the output of `free -k`
or its equivalent `/proc/meminfo` is intriguing. Free memory shown by the
system widget is not matching with what the kernel reports in the proc file
system or free -k.
The widget shows much higher value being free and does not negate the cached
memory from free memory.
EXPECTED RESULT
The system widget shall report the memory metrics from /proc/meminfo
accurately.
SOFTWARE/OS VERSIONS
$ kinfo
Operating System: Kubuntu 25.10
KDE Plasma Version: 6.4.5
KDE Frameworks Version: 6.17.0
Qt Version: 6.9.2
Kernel Version: 6.17.0-7-generic (64-bit)
Graphics Platform: Wayland
Processors: 8 × Intel® Core™ Ultra 7 258V
Memory: 32 GiB of RAM (30.8 GiB usable)
Graphics Processor: Intel® Graphics
ADDITIONAL INFORMATION
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