libvirt users - Feb 2020 - Re: can hotplug vcpus to running Windows 10 guest, but not unplug

----- On Feb 15, 2020, at 12:47 AM, Marc Roos M.Roos@f1-outsourcing.eu wrote:
> Would you mind sharing your xml? I have strange high host load on idle
> windows guest/domain
<domain type='kvm'>
  <name>pathway</name>
  <uuid>8235e5ae-0756-4286-5407-9fa02d372046</uuid>
  <description>Pathway Studio Dietrich</description>
  <memory unit='KiB'>16146944</memory>
  <currentMemory unit='KiB'>4147456</currentMemory>
  <!-- maxMemory unit='KiB'
slots='8'>16146944</maxMemory -->
  <vcpu placement='static' current='2'>4</vcpu>
  <vcpus>
    <vcpu id='0' enabled='yes' hotpluggable='no'/>
    <vcpu id='1' enabled='yes'
hotpluggable='yes'/>
    <vcpu id='2' enabled='no' hotpluggable='yes'/>
    <vcpu id='3' enabled='no' hotpluggable='yes'/>
  </vcpus>
  <os>
    <type arch='x86_64' machine='pc-0.15'>hvm</type>
    <boot dev='hd'/>
  </os>
  <features>
    <acpi/>
    <apic/>
    <pae/>
  </features>
  <clock offset='localtime'>
    <timer name='hpet' present='no'/>
  </clock>
  <on_poweroff>destroy</on_poweroff>
  <on_reboot>restart</on_reboot>
  <on_crash>destroy</on_crash>
  <pm>
    <suspend-to-mem enabled='yes'/>
    <suspend-to-disk enabled='yes'/>
  </pm>
  <devices>
    <emulator>/usr/bin/qemu-kvm</emulator>
    <disk type='file' device='disk'>
      <driver name='qemu' type='raw'/>
      <source file='/mnt/ocfs2/pathway.raw'/>
      <target dev='hda' bus='ide'/>
      <address type='drive' controller='0' bus='0'
target='0' unit='0'/>
    </disk>
    <disk type='file' device='cdrom'>
      <driver name='qemu' type='raw'/>
      <target dev='hdc' bus='ide'/>
      <readonly/>
      <address type='drive' controller='0' bus='1'
target='0' unit='0'/>
    </disk>
    <controller type='ide' index='0'>
      <address type='pci' domain='0x0000' bus='0x00'
slot='0x01' function='0x1'/>
    </controller>
    <controller type='usb' index='0'>
      <address type='pci' domain='0x0000' bus='0x00'
slot='0x01' function='0x2'/>
    </controller>
    <controller type='pci' index='0'
model='pci-root'/>
    <interface type='bridge'>
      <mac address='52:54:00:37:92:af'/>
      <source bridge='br0'/>
      <model type='e1000'/>
      <address type='pci' domain='0x0000' bus='0x00'
slot='0x03' function='0x0'/>
    </interface>
    <input type='tablet' bus='usb'/>
    <input type='mouse' bus='ps2'/>
    <graphics type='vnc' port='-1'
autoport='yes'/>
    <sound model='ac97'>
      <address type='pci' domain='0x0000' bus='0x00'
slot='0x04' function='0x0'/>
    </sound>
    <video>
      <model type='cirrus' vram='9216' heads='1'/>
      <address type='pci' domain='0x0000' bus='0x00'
slot='0x02' function='0x0'/>
    </video>
    <memballoon model='virtio'>
      <address type='pci' domain='0x0000' bus='0x00'
slot='0x05' function='0x0'/>
      <stats period='5'/>
    </memballoon>
  </devices>
</domain>
Helmholtz Zentrum München

Helmholtz Zentrum Muenchen
Deutsches Forschungszentrum fuer Gesundheit und Umwelt (GmbH)
Ingolstaedter Landstr. 1
85764 Neuherberg
www.helmholtz-muenchen.de
Aufsichtsratsvorsitzende: MinDir.in Prof. Dr. Veronika von Messling
Geschaeftsfuehrung: Prof. Dr. med. Dr. h.c. Matthias Tschoep, Kerstin Guenther
Registergericht: Amtsgericht Muenchen HRB 6466
USt-IdNr: DE 129521671

Thanks! Will compare it this weekend! 

-----Original Message-----
Cc: libvirt-ML
Subject: Re: can hotplug vcpus to running Windows 10 guest, but not 
unplug



----- On Feb 15, 2020, at 12:47 AM, Marc Roos M.Roos@f1-outsourcing.eu 
wrote:
> Would you mind sharing your xml? I have strange high host load on idle 
> windows guest/domain
<domain type='kvm'>
  <name>pathway</name>
  <uuid>8235e5ae-0756-4286-5407-9fa02d372046</uuid>
  <description>Pathway Studio Dietrich</description>
  <memory unit='KiB'>16146944</memory>
  <currentMemory unit='KiB'>4147456</currentMemory>
  <!-- maxMemory unit='KiB'
slots='8'>16146944</maxMemory -->
  <vcpu placement='static' current='2'>4</vcpu>
  <vcpus>
    <vcpu id='0' enabled='yes' hotpluggable='no'/>
    <vcpu id='1' enabled='yes'
hotpluggable='yes'/>
    <vcpu id='2' enabled='no' hotpluggable='yes'/>
    <vcpu id='3' enabled='no' hotpluggable='yes'/>
  </vcpus>
  <os>
    <type arch='x86_64' machine='pc-0.15'>hvm</type>
    <boot dev='hd'/>
  </os>
  <features>
    <acpi/>
    <apic/>
    <pae/>
  </features>
  <clock offset='localtime'>
    <timer name='hpet' present='no'/>
  </clock>
  <on_poweroff>destroy</on_poweroff>
  <on_reboot>restart</on_reboot>
  <on_crash>destroy</on_crash>
  <pm>
    <suspend-to-mem enabled='yes'/>
    <suspend-to-disk enabled='yes'/>
  </pm>
  <devices>
    <emulator>/usr/bin/qemu-kvm</emulator>
    <disk type='file' device='disk'>
      <driver name='qemu' type='raw'/>
      <source file='/mnt/ocfs2/pathway.raw'/>
      <target dev='hda' bus='ide'/>
      <address type='drive' controller='0' bus='0'
target='0' unit='0'/>
    </disk>
    <disk type='file' device='cdrom'>
      <driver name='qemu' type='raw'/>
      <target dev='hdc' bus='ide'/>
      <readonly/>
      <address type='drive' controller='0' bus='1'
target='0' unit='0'/>
    </disk>
    <controller type='ide' index='0'>
      <address type='pci' domain='0x0000' bus='0x00'
slot='0x01'
function='0x1'/>
    </controller>
    <controller type='usb' index='0'>
      <address type='pci' domain='0x0000' bus='0x00'
slot='0x01'
function='0x2'/>
    </controller>
    <controller type='pci' index='0'
model='pci-root'/>
    <interface type='bridge'>
      <mac address='52:54:00:37:92:af'/>
      <source bridge='br0'/>
      <model type='e1000'/>
      <address type='pci' domain='0x0000' bus='0x00'
slot='0x03'
function='0x0'/>
    </interface>
    <input type='tablet' bus='usb'/>
    <input type='mouse' bus='ps2'/>
    <graphics type='vnc' port='-1'
autoport='yes'/>
    <sound model='ac97'>
      <address type='pci' domain='0x0000' bus='0x00'
slot='0x04'
function='0x0'/>
    </sound>
    <video>
      <model type='cirrus' vram='9216' heads='1'/>
      <address type='pci' domain='0x0000' bus='0x00'
slot='0x02'
function='0x0'/>
    </video>
    <memballoon model='virtio'>
      <address type='pci' domain='0x0000' bus='0x00'
slot='0x05'
function='0x0'/>
      <stats period='5'/>
    </memballoon>
  </devices>
</domain>
Helmholtz Zentrum München

Helmholtz Zentrum Muenchen
Deutsches Forschungszentrum fuer Gesundheit und Umwelt (GmbH) 
Ingolstaedter Landstr. 1
85764 Neuherberg
www.helmholtz-muenchen.de
Aufsichtsratsvorsitzende: MinDir.in Prof. Dr. Veronika von Messling
Geschaeftsfuehrung: Prof. Dr. med. Dr. h.c. Matthias Tschoep, Kerstin 
Guenther
Registergericht: Amtsgericht Muenchen HRB 6466
USt-IdNr: DE 129521671