Answering to myself: the taskset needs to be applied to all guest threads, not
just the main process:ps -L -C kvm|awk '/kvm/ {print $2}'| xargs -n1 taskset -c
-p 0-7
Thanks to Daniele for the info! The actual bug is because of certain AMD
processors group cores in different NUMAs and the calcu
I have the same problem after upgrading from squeeze to wheezy. Only the first
half of the cores (4 out of 8) are visible to KVM host. I also have AMD
processor on my HP Proliant DL165 G7 (AMD Opteron(tm) Processor 6136).
The taskset workaround doesn't seem to help. The output of taskset indicat
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