Bug 495323

Summary:	High CPU load under virt-manager/qemu
Product:	[Applications] plasma-systemmonitor	Reporter:	Peter Eszlari <peter.eszlari>
Component:	general	Assignee:	KSysGuard Developers <ksysguard-bugs>
Status:	RESOLVED DUPLICATE
Severity:	normal	CC:	ahiemstra, kde, nate, plasma-bugs-null
Priority:	NOR
Version First Reported In:	6.2.2
Target Milestone:	---
Platform:	Neon
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:

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%.