cat /proc/cmdline
isolcpus=0-3 transparent_hugepage=always intel_iommu=on elevator=deadline quiet
<vcpu placement='static'>4</vcpu>
<cputune>
<vcpupin vcpu='0' cpuset='0'/>
<vcpupin vcpu='1' cpuset='1'/>
<vcpupin vcpu='2' cpuset='2'/>
<vcpupin vcpu='3' cpuset='3'/>
<emulatorpin cpuset='4-7'/>
</cputune>
<os>
<type arch='x86_64' machine='pc-q35-2.1'>hvm</type>
<boot dev='hd'/>
<bootmenu enable='no'/>
</os>
<features>
<acpi/>
<apic/>
<hap/>
<hyperv>
<relaxed state='on'/>
<vapic state='on'/>
<spinlocks state='on' retries='8191'/>
</hyperv>
<pvspinlock state='on'/>
</features>
<cpu mode='host-passthrough'>
<topology sockets='1' cores='4' threads='1'/>
</cpu>
<clock offset='utc'>
<timer name='rtc' tickpolicy='catchup'/>
<timer name='pit' tickpolicy='delay'/>
<timer name='hypervclock' present='yes'/>
</clock>