virsh --connect qemu:///system capabilities
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virsh --connect qemu:///system capabilities
<capabilities>
<host>
<uuid>01aa4d56-ec8d-5b81-8574-f8a2a1451771</uuid>
<cpu>
<arch>x86_64</arch>
<model>Broadwell-noTSX-IBRS</model>
<vendor>Intel</vendor>
<microcode version='154'/>
<topology sockets='8' dies='1' cores='1' threads='1'/>
<feature name='vme'/>
<feature name='ss'/>
<feature name='osxsave'/>
<feature name='f16c'/>
<feature name='rdrand'/>
<feature name='hypervisor'/>
<feature name='arat'/>
<feature name='tsc_adjust'/>
<feature name='clflushopt'/>
<feature name='stibp'/>
<feature name='arch-capabilities'/>
<feature name='ssbd'/>
<feature name='xsaveopt'/>
<feature name='xsavec'/>
<feature name='xsaves'/>
<feature name='pdpe1gb'/>
<feature name='abm'/>
<feature name='invtsc'/>
<pages unit='KiB' size='4'/>
<pages unit='KiB' size='2048'/>
<pages unit='KiB' size='1048576'/>
</cpu>
<power_management>
<suspend_mem/>
<suspend_disk/>
<suspend_hybrid/>
</power_management>
<iommu support='no'/>
<migration_features>
<live/>
<uri_transports>
<uri_transport>tcp</uri_transport>
<uri_transport>rdma</uri_transport>
</uri_transports>
</migration_features>
<topology>
<cells num='1'>
<cell id='0'>
<memory unit='KiB'>4025324</memory>
<pages unit='KiB' size='4'>1006331</pages>
<pages unit='KiB' size='2048'>0</pages>
<pages unit='KiB' size='1048576'>0</pages>
<distances>
<sibling id='0' value='10'/>
</distances>
<cpus num='8'>
<cpu id='0' socket_id='0' die_id='0' core_id='0' siblings='0'/>
<cpu id='1' socket_id='2' die_id='0' core_id='0' siblings='1'/>
<cpu id='2' socket_id='4' die_id='0' core_id='0' siblings='2'/>
<cpu id='3' socket_id='6' die_id='0' core_id='0' siblings='3'/>
<cpu id='4' socket_id='8' die_id='0' core_id='0' siblings='4'/>
<cpu id='5' socket_id='10' die_id='0' core_id='0' siblings='5'/>
<cpu id='6' socket_id='12' die_id='0' core_id='0' siblings='6'/>
<cpu id='7' socket_id='14' die_id='0' core_id='0' siblings='7'/>
</cpus>
</cell>
</cells>
</topology>
<cache>
<bank id='0' level='3' type='both' size='8' unit='MiB' cpus='0'/>
<bank id='2' level='3' type='both' size='8' unit='MiB' cpus='1'/>
<bank id='4' level='3' type='both' size='8' unit='MiB' cpus='2'/>
<bank id='6' level='3' type='both' size='8' unit='MiB' cpus='3'/>
<bank id='8' level='3' type='both' size='8' unit='MiB' cpus='4'/>
<bank id='10' level='3' type='both' size='8' unit='MiB' cpus='5'/>
<bank id='12' level='3' type='both' size='8' unit='MiB' cpus='6'/>
<bank id='14' level='3' type='both' size='8' unit='MiB' cpus='7'/>
</cache>
<secmodel>
<model>apparmor</model>
<doi>0</doi>
</secmodel>
<secmodel>
<model>dac</model>
<doi>0</doi>
<baselabel type='kvm'>+64055:+129</baselabel>
<baselabel type='qemu'>+64055:+129</baselabel>
</secmodel>
</host>
<guest>
<os_type>hvm</os_type>
<arch name='i686'>
<wordsize>32</wordsize>
<emulator>/usr/bin/qemu-system-i386</emulator>
<machine maxCpus='255'>pc-i440fx-groovy</machine>
<machine canonical='pc-i440fx-groovy' maxCpus='255'>ubuntu</machine>
<machine maxCpus='255'>pc-i440fx-2.12</machine>
<machine maxCpus='255'>pc-i440fx-2.0</machine>
<machine maxCpus='255'>pc-i440fx-xenial</machine>
<machine maxCpus='288'>pc-q35-4.2</machine>
<machine maxCpus='255'>pc-i440fx-2.5</machine>
<machine maxCpus='255'>pc-i440fx-4.2</machine>
<machine maxCpus='255'>pc-i440fx-focal</machine>
<machine maxCpus='255'>pc-q35-xenial</machine>
<machine maxCpus='255'>pc-i440fx-1.5</machine>
<machine maxCpus='255'>pc-q35-2.7</machine>
<machine maxCpus='288'>pc-q35-eoan-hpb</machine>
<machine maxCpus='255'>pc-i440fx-disco-hpb</machine>
<machine maxCpus='255'>pc-i440fx-zesty</machine>
<machine maxCpus='288'>pc-q35-groovy</machine>
<machine canonical='pc-q35-groovy' maxCpus='288'>ubuntu-q35</machine>
<machine maxCpus='288'>pc-q35-artful</machine>
<machine maxCpus='255'>pc-i440fx-trusty</machine>
<machine maxCpus='255'>pc-i440fx-2.2</machine>
<machine maxCpus='255'>pc-i440fx-eoan-hpb</machine>
<machine maxCpus='288'>pc-q35-focal-hpb</machine>
<machine maxCpus='255'>pc-1.1</machine>
<machine maxCpus='288'>pc-q35-bionic-hpb</machine>
<machine maxCpus='255'>pc-i440fx-artful</machine>
<machine maxCpus='255'>pc-i440fx-2.7</machine>
<machine maxCpus='255'>pc-i440fx-yakkety</machine>
<machine maxCpus='255'>pc-q35-2.4</machine>
<machine maxCpus='288'>pc-q35-cosmic-hpb</machine>
<machine maxCpus='288'>pc-q35-2.10</machine>
<machine maxCpus='255'>pc-i440fx-1.7</machine>
<machine maxCpus='288'>pc-q35-2.9</machine>
<machine maxCpus='255'>pc-i440fx-2.11</machine>
<machine maxCpus='288'>pc-q35-3.1</machine>
<machine maxCpus='288'>pc-q35-4.1</machine>
<machine maxCpus='255'>pc-i440fx-2.4</machine>
<machine maxCpus='255'>pc-1.3</machine>
<machine maxCpus='255'>pc-i440fx-4.1</machine>
<machine maxCpus='288'>pc-q35-eoan</machine>
<machine maxCpus='255'>pc-i440fx-2.9</machine>
<machine maxCpus='255'>pc-i440fx-bionic-hpb</machine>
<machine maxCpus='1'>isapc</machine>
<machine maxCpus='255'>pc-i440fx-1.4</machine>
<machine maxCpus='288'>pc-q35-cosmic</machine>
<machine maxCpus='255'>pc-q35-2.6</machine>
<machine maxCpus='255'>pc-i440fx-3.1</machine>
<machine maxCpus='288'>pc-q35-bionic</machine>
<machine maxCpus='288'>pc-q35-disco-hpb</machine>
<machine maxCpus='255'>pc-i440fx-cosmic</machine>
<machine maxCpus='288'>pc-q35-2.12</machine>
<machine maxCpus='255'>pc-i440fx-bionic</machine>
<machine maxCpus='288'>pc-q35-groovy-hpb</machine>
<machine maxCpus='288'>pc-q35-disco</machine>
<machine maxCpus='255'>pc-i440fx-cosmic-hpb</machine>
<machine maxCpus='255'>pc-i440fx-2.1</machine>
<machine maxCpus='255'>pc-1.0</machine>
<machine maxCpus='255'>pc-i440fx-wily</machine>
<machine maxCpus='255'>pc-i440fx-2.6</machine>
<machine maxCpus='288'>pc-q35-4.0.1</machine>
<machine maxCpus='255'>pc-i440fx-1.6</machine>
<machine maxCpus='288'>pc-q35-5.0</machine>
<machine canonical='pc-q35-5.0' maxCpus='288'>q35</machine>
<machine maxCpus='288'>pc-q35-2.8</machine>
<machine maxCpus='255'>pc-i440fx-2.10</machine>
<machine maxCpus='288'>pc-q35-3.0</machine>
<machine maxCpus='288'>pc-q35-zesty</machine>
<machine maxCpus='288'>pc-q35-4.0</machine>
<machine maxCpus='288'>pc-q35-focal</machine>
<machine maxCpus='288'>microvm</machine>
<machine maxCpus='255'>pc-i440fx-2.3</machine>
<machine maxCpus='255'>pc-i440fx-disco</machine>
<machine maxCpus='255'>pc-1.2</machine>
<machine maxCpus='255'>pc-i440fx-4.0</machine>
<machine maxCpus='255'>pc-i440fx-focal-hpb</machine>
<machine maxCpus='255'>pc-i440fx-groovy-hpb</machine>
<machine maxCpus='255'>pc-i440fx-5.0</machine>
<machine canonical='pc-i440fx-5.0' maxCpus='255'>pc</machine>
<machine maxCpus='255'>pc-i440fx-2.8</machine>
<machine maxCpus='255'>pc-i440fx-eoan</machine>
<machine maxCpus='255'>pc-q35-2.5</machine>
<machine maxCpus='255'>pc-i440fx-3.0</machine>
<machine maxCpus='255'>pc-q35-yakkety</machine>
<machine maxCpus='288'>pc-q35-2.11</machine>
<domain type='qemu'/>
</arch>
<features>
<pae/>
<nonpae/>
<acpi default='on' toggle='yes'/>
<apic default='on' toggle='no'/>
<cpuselection/>
<deviceboot/>
<disksnapshot default='on' toggle='no'/>
</features>
</guest>
<guest>
<os_type>hvm</os_type>
<arch name='x86_64'>
<wordsize>64</wordsize>
<emulator>/usr/bin/qemu-system-x86_64</emulator>
<machine maxCpus='255'>pc-i440fx-groovy</machine>
<machine canonical='pc-i440fx-groovy' maxCpus='255'>ubuntu</machine>
<machine maxCpus='255'>pc-i440fx-2.12</machine>
<machine maxCpus='255'>pc-i440fx-2.0</machine>
<machine maxCpus='255'>pc-i440fx-xenial</machine>
<machine maxCpus='288'>pc-q35-4.2</machine>
<machine maxCpus='255'>pc-i440fx-2.5</machine>
<machine maxCpus='255'>pc-i440fx-4.2</machine>
<machine maxCpus='255'>pc-i440fx-focal</machine>
<machine maxCpus='255'>pc-q35-xenial</machine>
<machine maxCpus='255'>pc-i440fx-1.5</machine>
<machine maxCpus='255'>pc-q35-2.7</machine>
<machine maxCpus='288'>pc-q35-eoan-hpb</machine>
<machine maxCpus='255'>pc-i440fx-zesty</machine>
<machine maxCpus='255'>pc-i440fx-disco-hpb</machine>
<machine maxCpus='288'>pc-q35-groovy</machine>
<machine canonical='pc-q35-groovy' maxCpus='288'>ubuntu-q35</machine>
<machine maxCpus='288'>pc-q35-artful</machine>
<machine maxCpus='255'>pc-i440fx-trusty</machine>
<machine maxCpus='255'>pc-i440fx-2.2</machine>
<machine maxCpus='255'>pc-i440fx-eoan-hpb</machine>
<machine maxCpus='288'>pc-q35-focal-hpb</machine>
<machine maxCpus='255'>pc-1.1</machine>
<machine maxCpus='288'>pc-q35-bionic-hpb</machine>
<machine maxCpus='255'>pc-i440fx-artful</machine>
<machine maxCpus='255'>pc-i440fx-2.7</machine>
<machine maxCpus='255'>pc-i440fx-yakkety</machine>
<machine maxCpus='255'>pc-q35-2.4</machine>
<machine maxCpus='288'>pc-q35-cosmic-hpb</machine>
<machine maxCpus='288'>pc-q35-2.10</machine>
<machine maxCpus='255'>pc-i440fx-1.7</machine>
<machine maxCpus='288'>pc-q35-2.9</machine>
<machine maxCpus='255'>pc-i440fx-2.11</machine>
<machine maxCpus='288'>pc-q35-3.1</machine>
<machine maxCpus='288'>pc-q35-4.1</machine>
<machine maxCpus='255'>pc-i440fx-2.4</machine>
<machine maxCpus='255'>pc-1.3</machine>
<machine maxCpus='255'>pc-i440fx-4.1</machine>
<machine maxCpus='288'>pc-q35-eoan</machine>
<machine maxCpus='255'>pc-i440fx-2.9</machine>
<machine maxCpus='255'>pc-i440fx-bionic-hpb</machine>
<machine maxCpus='1'>isapc</machine>
<machine maxCpus='255'>pc-i440fx-1.4</machine>
<machine maxCpus='288'>pc-q35-cosmic</machine>
<machine maxCpus='255'>pc-q35-2.6</machine>
<machine maxCpus='288'>pc-q35-bionic</machine>
<machine maxCpus='255'>pc-i440fx-3.1</machine>
<machine maxCpus='288'>pc-q35-disco-hpb</machine>
<machine maxCpus='255'>pc-i440fx-cosmic</machine>
<machine maxCpus='288'>pc-q35-2.12</machine>
<machine maxCpus='255'>pc-i440fx-bionic</machine>
<machine maxCpus='288'>pc-q35-groovy-hpb</machine>
<machine maxCpus='288'>pc-q35-disco</machine>
<machine maxCpus='255'>pc-i440fx-cosmic-hpb</machine>
<machine maxCpus='255'>pc-i440fx-2.1</machine>
<machine maxCpus='255'>pc-1.0</machine>
<machine maxCpus='255'>pc-i440fx-wily</machine>
<machine maxCpus='255'>pc-i440fx-2.6</machine>
<machine maxCpus='288'>pc-q35-4.0.1</machine>
<machine maxCpus='255'>pc-i440fx-1.6</machine>
<machine maxCpus='288'>pc-q35-5.0</machine>
<machine canonical='pc-q35-5.0' maxCpus='288'>q35</machine>
<machine maxCpus='288'>pc-q35-2.8</machine>
<machine maxCpus='255'>pc-i440fx-2.10</machine>
<machine maxCpus='288'>pc-q35-3.0</machine>
<machine maxCpus='288'>pc-q35-zesty</machine>
<machine maxCpus='288'>pc-q35-4.0</machine>
<machine maxCpus='288'>microvm</machine>
<machine maxCpus='288'>pc-q35-focal</machine>
<machine maxCpus='255'>pc-i440fx-2.3</machine>
<machine maxCpus='255'>pc-i440fx-focal-hpb</machine>
<machine maxCpus='255'>pc-1.2</machine>
<machine maxCpus='255'>pc-i440fx-4.0</machine>
<machine maxCpus='255'>pc-i440fx-disco</machine>
<machine maxCpus='255'>pc-i440fx-groovy-hpb</machine>
<machine maxCpus='255'>pc-i440fx-5.0</machine>
<machine canonical='pc-i440fx-5.0' maxCpus='255'>pc</machine>
<machine maxCpus='255'>pc-i440fx-2.8</machine>
<machine maxCpus='255'>pc-i440fx-eoan</machine>
<machine maxCpus='255'>pc-q35-2.5</machine>
<machine maxCpus='255'>pc-i440fx-3.0</machine>
<machine maxCpus='255'>pc-q35-yakkety</machine>
<machine maxCpus='288'>pc-q35-2.11</machine>
<domain type='qemu'/>
</arch>
<features>
<acpi default='on' toggle='yes'/>
<apic default='on' toggle='no'/>
<cpuselection/>
<deviceboot/>
<disksnapshot default='on' toggle='no'/>
</features>
</guest>
</capabilities>
Related terms[edit]
See also[edit]
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