Bug 495323 - High CPU load under virt-manager/qemu
Summary: High CPU load under virt-manager/qemu
Status: RESOLVED DUPLICATE of bug 434877
Alias: None
Product: plasma-systemmonitor
Classification: Applications
Component: general (show other bugs)
Version: 6.2.2
Platform: Neon Linux
: NOR normal
Target Milestone: ---
Assignee: KSysGuard Developers
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2024-10-25 00:47 UTC by Peter Eszlari
Modified: 2024-10-28 11:04 UTC (History)
4 users (show)

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Description Peter Eszlari 2024-10-25 00:47:07 UTC 
SUMMARY
Running Plasma inside virt-manager/qemu and opening system-monitor results in a high CPU load.

STEPS TO REPRODUCE
1. download https://files.kde.org/neon/images/user/20241023-1251/neon-user-20241023-1251.iso
2. in virt-manager create a new VM with that iso and boot into it
3. open system-monitor

OBSERVED RESULT
high CPU load at 95%

EXPECTED RESULT
lower CPU load

SOFTWARE/OS VERSIONS
qemu 9.0.2
virt-manager 4.1.0
Comment 1 Nate Graham 2024-10-28 03:15:34 UTC 
It's always got high CPU load. :/

*** This bug has been marked as a duplicate of bug 434877 ***
Comment 2 Peter Eszlari 2024-10-28 11:04:22 UTC 
I'm not sure this is the same bug. Here load is at 95%-100%, with kwin_wayland taking 30-40% and systemmonitor 70-60%.