Hi
I have met an interesting problem between different kvm&linux version.
Both the two run on the same platform.
HW Platform:
Processors | physical = 2, cores = 8, virtual = 16, hyperthreading = yes
Speeds | 16x2266.804
Models | 16xIntel(R) Xeon(R) CPU E5520 @ 2.27GHz
Caches | 16x8192 KB
Memory | 23.54G
OS | CentOS 5
Configuration 1:
Configuration:2
Kernel | 2.6.18-194.el5
Kernel | 2.6.32-71.24.1.el6.x86_64
Architecture | CPU = 64-bit, OS = 64-bit
KVM | kvm-83-164.el5_5.23 KVM
| Follow kernel's version
Guest:
Configuration 1:
Configuration:2
Platform | Windows
Release | Windows Server 2003 Enterprise Edition SP2
Processors | SMP=4
Processor | SMP=2
Memory | 4G
I run the wprime in the Guest; From Guest's Task Manager, the CPU Usage is 100%
In both Configurations, the corresponding PCPU is 100% too from Linux
Host's top view.
And in Configuration 1, the PCPU's cpu time is nearly 100% in sys space.
But in Configuration 2, the situation is totally reversed, the PCPU's
time is nearly 100% in Usr space.
Could anyone tell me the reason?
Thank you very much!
Best Regards
Peijie Yu
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