https://bugs.kde.org/show_bug.cgi?id=409074
Bug ID: 409074
Summary: System load viewer sometimes sees no load while there
is some
Product: kdeplasma-addons
Version: 5.14.5
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: systemloadviewer
Assignee: plasma-b...@kde.org
Reporter: p...@ralfj.de
Target Milestone: ---
Created attachment 121093
--> https://bugs.kde.org/attachment.cgi?id=121093&action=edit
A screenshot demonstrating the issue
SUMMARY
When switching the system load viewer to show per-CPU load, during a long
compilation session (where there's always load on at least one core), the laod
seems to regularly drop to 0 according to the load viewer. Watching htop at the
same time shows that there is always load, though.
STEPS TO REPRODUCE
0. Configure system load viewer to show per-CPU load and a high update
frequency (e.g. 0.5s). The issue also happens with 2s, but is easier to observe
with higher frequencies.
1. Start a long build.
2. Start htop.
3. Watch htop and the load viewer.
OBSERVED RESULT
They should show roughly the same thing.
EXPECTED RESULT
The load viewer frequently claims no load when there actually is plenty. I
attached a screenshot. The system load viewer widget is marked in the
bottom-left corner. You can't see it because it shows 0 load.
SOFTWARE/OS VERSIONS
Operating System: Debian GNU/Linux 10
KDE Plasma Version: 5.14.5
Qt Version: 5.11.3
KDE Frameworks Version: 5.54.0
Kernel Version: 4.19.0-5-amd64
OS Type: 64-bit
Processors: 8 × Intel® Xeon® CPU E3-1505M v5 @ 2.80GHz
Memory: 15,5 GiB of RAM
ADDITIONAL INFORMATION
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