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2013 Mar 15
2
strange phenomenon on CPU affinity
Hello,
My testing machine has 2 quad-core CPU (It supports hyperthreading,
but i disable it in BIOS). I uses Xen 4.0.1 as the hypervisor. When I use 8
VMs to conduct a test, CPU affinity of the VMs is very strange. Like this:
vm_name vcpu_num cpu_affinity
Domain-0 8 any
VM1 4 1,3,5,7
VM2 4 1,3,5,7
VM3 4 1,3,5,7
VM4 4 1,3,5,7
VM5 4 1,3,5,7
VM6 4 0,2,4,6
VM7 4 0,2,4,6
VM8 4 0,2,4,6
I do not set the CPU...