Another difference is OS: NUC is using Debian 10 with qemu 3.1.0, Linux kernel 4.19.194-2 Desktop is using Debian 11 with qemu 5.2.0, Linux kernel 5.10.40-1
gansteed <ganst...@gmail.com> 于2021年7月22日周四 上午9:53写道： > Hello, > > I'm using spice in virt-manager, but it's slow in video. I've been > using spice in my NUC, with the same configuration, that's fluently. The > biggest difference between my NUC and desktop is hardware is different. NUC > is using a integrated graphics while desktop using a RTI RX 550/560(I don't > remember). > > Is there any suggestions to make the VM video performance faster? > > Hardware of my desktop: > > $ lspci | grep VGA > 09:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] > Baffin [Radeon RX 550 640SP / RX 560/560X] (rev ff) > $ lscpu | grep 'Model name' > Model name: AMD Ryzen 7 5800X 8-Core Processor > > XML of my VM: > > <domain type='kvm' id='13'> > <name>win7</name> > <uuid>5d9cee98-36b5-475e-a74d-4e8a19e74ba9</uuid> > <metadata> > <libosinfo:libosinfo xmlns:libosinfo=" > http://libosinfo.org/xmlns/libvirt/domain/1.0";> > <libosinfo:os id="http://microsoft.com/win/7"/> > </libosinfo:libosinfo> > </metadata> > <memory unit='KiB'>8388608</memory> > <currentMemory unit='KiB'>8388608</currentMemory> > <vcpu placement='static'>4</vcpu> > <resource> > <partition>/machine</partition> > </resource> > <os> > <type arch='x86_64' machine='pc-q35-5.2'>hvm</type> > <boot dev='hd'/> > </os> > <features> > <acpi/> > <apic/> > <hyperv> > <relaxed state='on'/> > <vapic state='on'/> > <spinlocks state='on' retries='8191'/> > </hyperv> > <vmport state='off'/> > </features> > <cpu mode='custom' match='exact' check='full'> > <model fallback='forbid'>EPYC-Rome</model> > <vendor>AMD</vendor> > <feature policy='require' name='x2apic'/> > <feature policy='require' name='tsc-deadline'/> > <feature policy='require' name='hypervisor'/> > <feature policy='require' name='tsc_adjust'/> > <feature policy='require' name='erms'/> > <feature policy='require' name='invpcid'/> > <feature policy='require' name='pku'/> > <feature policy='require' name='vaes'/> > <feature policy='require' name='vpclmulqdq'/> > <feature policy='require' name='fsrm'/> > <feature policy='require' name='spec-ctrl'/> > <feature policy='require' name='stibp'/> > <feature policy='require' name='arch-capabilities'/> > <feature policy='require' name='ssbd'/> > <feature policy='require' name='xsaves'/> > <feature policy='require' name='cmp_legacy'/> > <feature policy='require' name='amd-ssbd'/> > <feature policy='require' name='virt-ssbd'/> > <feature policy='require' name='rdctl-no'/> > <feature policy='require' name='skip-l1dfl-vmentry'/> > <feature policy='require' name='mds-no'/> > <feature policy='require' name='pschange-mc-no'/> > <feature policy='disable' name='svm'/> > <feature policy='require' name='topoext'/> > <feature policy='disable' name='npt'/> > <feature policy='disable' name='nrip-save'/> > </cpu> > <clock offset='localtime'> > <timer name='rtc' tickpolicy='catchup'/> > <timer name='pit' tickpolicy='delay'/> > <timer name='hpet' present='no'/> > <timer name='hypervclock' present='yes'/> > </clock> > <on_poweroff>destroy</on_poweroff> > <on_reboot>restart</on_reboot> > <on_crash>destroy</on_crash> > <pm> > <suspend-to-mem enabled='no'/> > <suspend-to-disk enabled='no'/> > </pm> > <devices> > <emulator>/usr/bin/qemu-system-x86_64</emulator> > <disk type='file' device='disk'> > <driver name='qemu' type='qcow2'/> > <source file='/data/vms/win7.qcow2' index='1'/> > <backingStore/> > <target dev='vda' bus='virtio'/> > <alias name='virtio-disk0'/> > <address type='pci' domain='0x0000' bus='0x03' slot='0x00' > function='0x0'/> > </disk> > <controller type='usb' index='0' model='ich9-ehci1'> > <alias name='usb'/> > <address type='pci' domain='0x0000' bus='0x00' slot='0x1d' > function='0x7'/> > </controller> > <controller type='usb' index='0' model='ich9-uhci1'> > <alias name='usb'/> > <master startport='0'/> > <address type='pci' domain='0x0000' bus='0x00' slot='0x1d' > function='0x0' multifunction='on'/> > </controller> > <controller type='usb' index='0' model='ich9-uhci2'> > <alias name='usb'/> > <master startport='2'/> > <address type='pci' domain='0x0000' bus='0x00' slot='0x1d' > function='0x1'/> > </controller> > <controller type='usb' index='0' model='ich9-uhci3'> > <alias name='usb'/> > <master startport='4'/> > <address type='pci' domain='0x0000' bus='0x00' slot='0x1d' > function='0x2'/> > </controller> > <controller type='sata' index='0'> > <alias name='ide'/> > <address type='pci' domain='0x0000' bus='0x00' slot='0x1f' > function='0x2'/> > </controller> > <controller type='pci' index='0' model='pcie-root'> > <alias name='pcie.0'/> > </controller> > <controller type='pci' index='1' model='pcie-root-port'> > <model name='pcie-root-port'/> > <target chassis='1' port='0x10'/> > <alias name='pci.1'/> > <address type='pci' domain='0x0000' bus='0x00' slot='0x02' > function='0x0' multifunction='on'/> > </controller> > <controller type='pci' index='2' model='pcie-root-port'> > <model name='pcie-root-port'/> > <target chassis='2' port='0x11'/> > <alias name='pci.2'/> > <address type='pci' domain='0x0000' bus='0x00' slot='0x02' > function='0x1'/> > </controller> > <controller type='pci' index='3' model='pcie-root-port'> > <model name='pcie-root-port'/> > <target chassis='3' port='0x12'/> > <alias name='pci.3'/> > <address type='pci' domain='0x0000' bus='0x00' slot='0x02' > function='0x2'/> > </controller> > <controller type='pci' index='4' model='pcie-root-port'> > <model name='pcie-root-port'/> > <target chassis='4' port='0x13'/> > <alias name='pci.4'/> > <address type='pci' domain='0x0000' bus='0x00' slot='0x02' > function='0x3'/> > </controller> > <controller type='pci' index='5' model='pcie-root-port'> > <model name='pcie-root-port'/> > <target chassis='5' port='0x14'/> > <alias name='pci.5'/> > <address type='pci' domain='0x0000' bus='0x00' slot='0x02' > function='0x4'/> > </controller> > <controller type='virtio-serial' index='0'> > <alias name='virtio-serial0'/> > <address type='pci' domain='0x0000' bus='0x02' slot='0x00' > function='0x0'/> > </controller> > <interface type='network'> > <mac address='52:54:00:3b:e8:0f'/> > <source network='default' > portid='4814d165-b576-4bfe-9e61-afd02fee8ca2' bridge='virbr0'/> > <target dev='vnet12'/> > <model type='virtio'/> > <alias name='net0'/> > <address type='pci' domain='0x0000' bus='0x01' slot='0x00' > function='0x0'/> > </interface> > <serial type='pty'> > <source path='/dev/pts/0'/> > <target type='isa-serial' port='0'> > <model name='isa-serial'/> > </target> > <alias name='serial0'/> > </serial> > <console type='pty' tty='/dev/pts/0'> > <source path='/dev/pts/0'/> > <target type='serial' port='0'/> > <alias name='serial0'/> > </console> > <channel type='spicevmc'> > <target type='virtio' name='com.redhat.spice.0' state='connected'/> > <alias name='channel0'/> > <address type='virtio-serial' controller='0' bus='0' port='1'/> > </channel> > <input type='mouse' bus='ps2'> > <alias name='input0'/> > </input> > <input type='keyboard' bus='ps2'> > <alias name='input1'/> > </input> > <graphics type='spice' port='5900' autoport='no' listen='127.0.0.1'> > <listen type='address' address='127.0.0.1'/> > <gl enable='no'/> > </graphics> > <video> > <model type='qxl' ram='65536' vram='65536' vgamem='16384' heads='1' > primary='yes'/> > <alias name='video0'/> > <address type='pci' domain='0x0000' bus='0x00' slot='0x01' > function='0x0'/> > </video> > <memballoon model='virtio'> > <alias name='balloon0'/> > <address type='pci' domain='0x0000' bus='0x04' slot='0x00' > function='0x0'/> > </memballoon> > </devices> > <seclabel type='dynamic' model='apparmor' relabel='yes'> > <label>libvirt-5d9cee98-36b5-475e-a74d-4e8a19e74ba9</label> > <imagelabel>libvirt-5d9cee98-36b5-475e-a74d-4e8a19e74ba9</imagelabel> > </seclabel> > <seclabel type='dynamic' model='dac' relabel='yes'> > <label>+64055:+64055</label> > <imagelabel>+64055:+64055</imagelabel> > </seclabel> > </domain> > >
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