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To cite ACPI specification: Heterogeneous Memory Attribute Table describes the memory attributes, such as memory side cache attributes and bandwidth and latency details, related to the System Physical Address (SPA) Memory Ranges. The software is expected to use this information as hint for optimization. According to our upstream discussion [1] this is exposed under <numa/> as <cache/> under NUMA <cell/> and <latency> or <bandwidth/> under numa/latencies. 1: https://www.redhat.com/archives/libvir-list/2020-January/msg00422.html Signed-off-by: Michal Privoznik <mprivozn@redhat.com> Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
53 lines
1.8 KiB
XML
53 lines
1.8 KiB
XML
<domain type='qemu'>
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<name>QEMUGuest</name>
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<uuid>c7a5fdb2-cdaf-9455-926a-d65c16db1809</uuid>
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<memory unit='KiB'>8388608</memory>
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<currentMemory unit='KiB'>8388608</currentMemory>
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<vcpu placement='static'>12</vcpu>
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<os>
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<type arch='x86_64' machine='pc'>hvm</type>
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<boot dev='hd'/>
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</os>
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<features>
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<acpi/>
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<apic/>
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<pae/>
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</features>
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<cpu>
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<numa>
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<cell id='0' cpus='0-3' memory='2097152' unit='KiB'>
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<cache level='1' associativity='direct' policy='writeback'>
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<size value='10' unit='KiB'/>
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<line value='8' unit='B'/>
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</cache>
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</cell>
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<cell id='1' cpus='4-7' memory='2097152' unit='KiB'/>
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<cell id='2' cpus='8-11' memory='2097152' unit='KiB'/>
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<cell id='3' memory='2097152' unit='KiB'/>
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<cell id='4' memory='2097152' unit='KiB'/>
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<cell id='5' memory='2097152' unit='KiB'/>
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<interconnects>
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<latency initiator='0' target='0' type='access' value='5'/>
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<latency initiator='0' target='0' cache='1' type='access' value='10'/>
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<bandwidth initiator='0' target='0' type='access' value='204800' unit='KiB'/>
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</interconnects>
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</numa>
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</cpu>
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<clock offset='utc'/>
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<on_poweroff>destroy</on_poweroff>
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<on_reboot>restart</on_reboot>
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<on_crash>restart</on_crash>
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<devices>
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<emulator>/usr/bin/qemu-system-x86_64</emulator>
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<controller type='usb' index='0'>
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<address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
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</controller>
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<controller type='pci' index='0' model='pci-root'/>
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<input type='mouse' bus='ps2'/>
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<input type='keyboard' bus='ps2'/>
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<memballoon model='virtio'>
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<address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
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</memballoon>
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</devices>
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</domain>
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