On the impact of setting halt_poll_ns with qemu-kvm
Issue
On the impact of setting halt_poll_ns with qemu-kvm:
- How does halt-polling work?
- Why does the hypervisor show less time spent in
%idle
than the virtual machine? - Why is halt-polling not accounted within the
%steal
variable? - When is halt-polling active?
Environment
Red Hat Enterprise Linux 7.3 - 7.5
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