can you try lstopo command > On Mar 19, 2017, at 9:54 PM, <[email protected]> <[email protected]> wrote: > > Hello, I was hoping someone help me regarding my KVM Domain XML file. I have > a 1 socket, 6 core processor with hyperthreading. I wanted to pin 3 full > cores (6 threads on 3 cores) to my KVM instance with a 1-1 mapping (so that > the KVM instance has 3 cores and 6 total threads). I thus used the following > in my xml file: > > <cpu mode='host-model> <topology sockets='1' cores='3' threads='2'/> </cpu> > > I know what physical cpu ids are siblings (share the same processor cores) > through $(cat /proc/cpu) or $(virsh capabilities). However, in the <cputune> > section, when pinning vcpus ids to physical cpus, I need to know which vcpu > ids are "siblings" (which vcpu ids share the same virtual core). I would > imagine vcpu ids 0 & 1 are siblings, 2 & 3 are siblings etc, but I cannot > find anywhere in the documentation which confirms this. > > Could someone please help? > Many thanks! > > > _______________________________________________ > libvirt-users mailing list > [email protected] > https://www.redhat.com/mailman/listinfo/libvirt-users
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