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Host IRQ Affinity
~~~~~~~~~~~~~~~~~
IRQs are pinned to core 0. The same configuration is applied in host Linux and guest VM.
::
$ for l in `ls /proc/irq`; do echo 1 | sudo tee /proc/irq/$l/smp_affinity; done
Host RCU Affinity
~~~~~~~~~~~~~~~~~
RCUs are pinned to core 0. The same configuration is applied in host Linux and guest VM.
::
$ for i in `pgrep rcu[^c]` ; do sudo taskset -pc 0 $i ; done
Host Writeback Affinity
~~~~~~~~~~~~~~~~~~~~~~~
Writebacks are pinned to core 0. The same configuration is applied in host Linux and guest VM.
::
$ echo 1 | sudo tee /sys/bus/workqueue/devices/writeback/cpumask
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