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From: Harikumar R <harirajkumar230@gmail.com>
To: devel@lists.libvirt.org
Subject: [PATCH v6 13/18] qemuxmlconftest: Add 'throttlefilter' tests
Date: Mon,  9 Dec 2024 18:11:13 +0530
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CC: earulana@in.ibm.com, sanjeev.ranjan@ibm.com, harikumar.rajkumar@ibm.com,
 Chun Feng Wu <danielwuwy@163.com>
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From: Chun Feng Wu <danielwuwy@163.com>

Test domain xml and status xml

* Add tests for "throttlegroup" domain xml processing, including
  groups referenced and not referenced by filters
* Add tests for "throttlefilter" domain xml processing, including
  throttle group referenced by different disks
* Add negative test case to report error when iotune is configured
  together with throttle filters
* Add tests for throttlefilter nodename parse and format for statusxml
  (disk/privateData/nodenames/nodename with type=3D'throttle-filter')
* Add iotune limited disk tests to make sure iotune refactory works

Signed-off-by: Chun Feng Wu <danielwuwy@163.com>
---
 .../throttlefilter-in.xml                     | 392 +++++++++++++++++
 .../throttlefilter-out.xml                    | 393 ++++++++++++++++++
 tests/qemuxmlactivetest.c                     |   1 +
 .../throttlefilter-invalid.x86_64-latest.err  |   1 +
 .../throttlefilter-invalid.xml                |  89 ++++
 .../throttlefilter.x86_64-latest.args         |  55 +++
 .../throttlefilter.x86_64-latest.xml          | 105 +++++
 tests/qemuxmlconfdata/throttlefilter.xml      |  95 +++++
 tests/qemuxmlconftest.c                       |   2 +
 9 files changed, 1133 insertions(+)
 create mode 100644 tests/qemustatusxml2xmldata/throttlefilter-in.xml
 create mode 100644 tests/qemustatusxml2xmldata/throttlefilter-out.xml
 create mode 100644 tests/qemuxmlconfdata/throttlefilter-invalid.x86_64-lat=
est.err
 create mode 100644 tests/qemuxmlconfdata/throttlefilter-invalid.xml
 create mode 100644 tests/qemuxmlconfdata/throttlefilter.x86_64-latest.args
 create mode 100644 tests/qemuxmlconfdata/throttlefilter.x86_64-latest.xml
 create mode 100644 tests/qemuxmlconfdata/throttlefilter.xml

diff --git a/tests/qemustatusxml2xmldata/throttlefilter-in.xml b/tests/qemu=
statusxml2xmldata/throttlefilter-in.xml
new file mode 100644
index 0000000000..2a98d6f5e2
--- /dev/null
+++ b/tests/qemustatusxml2xmldata/throttlefilter-in.xml
@@ -0,0 +1,392 @@
+<domstatus state=3D'running' reason=3D'booted' pid=3D'7690'>
+  <taint flag=3D'high-privileges'/>
+  <monitor path=3D'/var/lib/libvirt/qemu/domain-4-copy/monitor.sock' type=
=3D'unix'/>
+  <namespaces>
+    <mount/>
+  </namespaces>
+  <vcpus>
+    <vcpu id=3D'0' pid=3D'7696'/>
+  </vcpus>
+  <qemuCaps>
+    <flag name=3D'kvm'/>
+    <flag name=3D'no-hpet'/>
+    <flag name=3D'spice'/>
+    <flag name=3D'hda-duplex'/>
+    <flag name=3D'ccid-emulated'/>
+    <flag name=3D'ccid-passthru'/>
+    <flag name=3D'virtio-tx-alg'/>
+    <flag name=3D'virtio-blk-pci.ioeventfd'/>
+    <flag name=3D'sga'/>
+    <flag name=3D'virtio-blk-pci.event_idx'/>
+    <flag name=3D'virtio-net-pci.event_idx'/>
+    <flag name=3D'piix3-usb-uhci'/>
+    <flag name=3D'piix4-usb-uhci'/>
+    <flag name=3D'usb-ehci'/>
+    <flag name=3D'ich9-usb-ehci1'/>
+    <flag name=3D'vt82c686b-usb-uhci'/>
+    <flag name=3D'pci-ohci'/>
+    <flag name=3D'usb-redir'/>
+    <flag name=3D'usb-hub'/>
+    <flag name=3D'ich9-ahci'/>
+    <flag name=3D'no-acpi'/>
+    <flag name=3D'virtio-blk-pci.scsi'/>
+    <flag name=3D'scsi-disk.channel'/>
+    <flag name=3D'scsi-block'/>
+    <flag name=3D'transaction'/>
+    <flag name=3D'block-job-async'/>
+    <flag name=3D'scsi-cd'/>
+    <flag name=3D'ide-cd'/>
+    <flag name=3D'hda-micro'/>
+    <flag name=3D'dump-guest-memory'/>
+    <flag name=3D'nec-usb-xhci'/>
+    <flag name=3D'balloon-event'/>
+    <flag name=3D'lsi'/>
+    <flag name=3D'virtio-scsi-pci'/>
+    <flag name=3D'blockio'/>
+    <flag name=3D'disable-s3'/>
+    <flag name=3D'disable-s4'/>
+    <flag name=3D'usb-redir.filter'/>
+    <flag name=3D'ide-drive.wwn'/>
+    <flag name=3D'scsi-disk.wwn'/>
+    <flag name=3D'seccomp-sandbox'/>
+    <flag name=3D'reboot-timeout'/>
+    <flag name=3D'seamless-migration'/>
+    <flag name=3D'block-commit'/>
+    <flag name=3D'vnc'/>
+    <flag name=3D'drive-mirror'/>
+    <flag name=3D'blockdev-snapshot-sync'/>
+    <flag name=3D'qxl'/>
+    <flag name=3D'VGA'/>
+    <flag name=3D'cirrus-vga'/>
+    <flag name=3D'vmware-svga'/>
+    <flag name=3D'device-video-primary'/>
+    <flag name=3D'usb-serial'/>
+    <flag name=3D'nbd-server'/>
+    <flag name=3D'virtio-rng'/>
+    <flag name=3D'rng-random'/>
+    <flag name=3D'rng-egd'/>
+    <flag name=3D'megasas'/>
+    <flag name=3D'tpm-passthrough'/>
+    <flag name=3D'tpm-tis'/>
+    <flag name=3D'pci-bridge'/>
+    <flag name=3D'vfio-pci'/>
+    <flag name=3D'mem-merge'/>
+    <flag name=3D'drive-discard'/>
+    <flag name=3D'mlock'/>
+    <flag name=3D'device-del-event'/>
+    <flag name=3D'dmi-to-pci-bridge'/>
+    <flag name=3D'i440fx-pci-hole64-size'/>
+    <flag name=3D'q35-pci-hole64-size'/>
+    <flag name=3D'usb-storage'/>
+    <flag name=3D'usb-storage.removable'/>
+    <flag name=3D'ich9-intel-hda'/>
+    <flag name=3D'kvm-pit-lost-tick-policy'/>
+    <flag name=3D'boot-strict'/>
+    <flag name=3D'pvpanic'/>
+    <flag name=3D'spice-file-xfer-disable'/>
+    <flag name=3D'usb-kbd'/>
+    <flag name=3D'msg-timestamp'/>
+    <flag name=3D'active-commit'/>
+    <flag name=3D'change-backing-file'/>
+    <flag name=3D'memory-backend-ram'/>
+    <flag name=3D'numa'/>
+    <flag name=3D'memory-backend-file'/>
+    <flag name=3D'usb-audio'/>
+    <flag name=3D'rtc-reset-reinjection'/>
+    <flag name=3D'splash-timeout'/>
+    <flag name=3D'iothread'/>
+    <flag name=3D'migrate-rdma'/>
+    <flag name=3D'ivshmem'/>
+    <flag name=3D'drive-iotune-max'/>
+    <flag name=3D'VGA.vgamem_mb'/>
+    <flag name=3D'vmware-svga.vgamem_mb'/>
+    <flag name=3D'qxl.vgamem_mb'/>
+    <flag name=3D'pc-dimm'/>
+    <flag name=3D'machine-vmport-opt'/>
+    <flag name=3D'aes-key-wrap'/>
+    <flag name=3D'dea-key-wrap'/>
+    <flag name=3D'pci-serial'/>
+    <flag name=3D'vhost-user-multiqueue'/>
+    <flag name=3D'migration-event'/>
+    <flag name=3D'ioh3420'/>
+    <flag name=3D'x3130-upstream'/>
+    <flag name=3D'xio3130-downstream'/>
+    <flag name=3D'rtl8139'/>
+    <flag name=3D'e1000'/>
+    <flag name=3D'virtio-net'/>
+    <flag name=3D'gic-version'/>
+    <flag name=3D'incoming-defer'/>
+    <flag name=3D'virtio-gpu'/>
+    <flag name=3D'virtio-gpu.virgl'/>
+    <flag name=3D'virtio-keyboard'/>
+    <flag name=3D'virtio-mouse'/>
+    <flag name=3D'virtio-tablet'/>
+    <flag name=3D'virtio-input-host'/>
+    <flag name=3D'chardev-file-append'/>
+    <flag name=3D'ich9-disable-s3'/>
+    <flag name=3D'ich9-disable-s4'/>
+    <flag name=3D'vserport-change-event'/>
+    <flag name=3D'virtio-balloon-pci.deflate-on-oom'/>
+    <flag name=3D'mptsas1068'/>
+    <flag name=3D'spice-gl'/>
+    <flag name=3D'qxl.vram64_size_mb'/>
+    <flag name=3D'chardev-logfile'/>
+    <flag name=3D'debug-threads'/>
+    <flag name=3D'secret'/>
+    <flag name=3D'pxb'/>
+    <flag name=3D'pxb-pcie'/>
+    <flag name=3D'device-tray-moved-event'/>
+    <flag name=3D'nec-usb-xhci-ports'/>
+    <flag name=3D'virtio-scsi-pci.iothread'/>
+    <flag name=3D'name-guest'/>
+    <flag name=3D'qxl.max_outputs'/>
+    <flag name=3D'spice-unix'/>
+    <flag name=3D'drive-detect-zeroes'/>
+    <flag name=3D'tls-creds-x509'/>
+    <flag name=3D'intel-iommu'/>
+    <flag name=3D'smm'/>
+    <flag name=3D'virtio-pci-disable-legacy'/>
+    <flag name=3D'query-hotpluggable-cpus'/>
+    <flag name=3D'virtio-net.rx_queue_size'/>
+    <flag name=3D'virtio-vga'/>
+    <flag name=3D'drive-iotune-max-length'/>
+    <flag name=3D'ivshmem-plain'/>
+    <flag name=3D'ivshmem-doorbell'/>
+    <flag name=3D'query-qmp-schema'/>
+    <flag name=3D'gluster.debug_level'/>
+    <flag name=3D'vhost-scsi'/>
+    <flag name=3D'drive-iotune-group'/>
+    <flag name=3D'query-cpu-model-expansion'/>
+    <flag name=3D'virtio-net.host_mtu'/>
+    <flag name=3D'spice-rendernode'/>
+    <flag name=3D'nvdimm'/>
+    <flag name=3D'pcie-root-port'/>
+    <flag name=3D'query-cpu-definitions'/>
+    <flag name=3D'block-write-threshold'/>
+    <flag name=3D'query-named-block-nodes'/>
+    <flag name=3D'cpu-cache'/>
+    <flag name=3D'qemu-xhci'/>
+    <flag name=3D'kernel-irqchip'/>
+    <flag name=3D'kernel-irqchip.split'/>
+    <flag name=3D'intel-iommu.intremap'/>
+    <flag name=3D'intel-iommu.caching-mode'/>
+    <flag name=3D'intel-iommu.eim'/>
+    <flag name=3D'intel-iommu.device-iotlb'/>
+    <flag name=3D'virtio.iommu_platform'/>
+    <flag name=3D'virtio.ats'/>
+    <flag name=3D'loadparm'/>
+    <flag name=3D'vnc-multi-servers'/>
+    <flag name=3D'virtio-net.tx_queue_size'/>
+    <flag name=3D'chardev-reconnect'/>
+    <flag name=3D'virtio-gpu.max_outputs'/>
+    <flag name=3D'vxhs'/>
+    <flag name=3D'virtio-blk.num-queues'/>
+    <flag name=3D'vmcoreinfo'/>
+    <flag name=3D'numa.dist'/>
+    <flag name=3D'disk-share-rw'/>
+    <flag name=3D'iscsi.password-secret'/>
+    <flag name=3D'isa-serial'/>
+    <flag name=3D'dump-completed'/>
+    <flag name=3D'qcow2-luks'/>
+    <flag name=3D'pcie-pci-bridge'/>
+    <flag name=3D'seccomp-blacklist'/>
+    <flag name=3D'query-cpus-fast'/>
+    <flag name=3D'disk-write-cache'/>
+    <flag name=3D'nbd-tls'/>
+    <flag name=3D'tpm-crb'/>
+    <flag name=3D'pr-manager-helper'/>
+    <flag name=3D'qom-list-properties'/>
+    <flag name=3D'memory-backend-file.discard-data'/>
+    <flag name=3D'sdl-gl'/>
+    <flag name=3D'screendump_device'/>
+    <flag name=3D'hda-output'/>
+    <flag name=3D'blockdev-del'/>
+    <flag name=3D'vmgenid'/>
+    <flag name=3D'vhost-vsock'/>
+    <flag name=3D'chardev-fd-pass'/>
+    <flag name=3D'tpm-emulator'/>
+    <flag name=3D'mch'/>
+    <flag name=3D'mch.extended-tseg-mbytes'/>
+    <flag name=3D'usb-storage.werror'/>
+    <flag name=3D'egl-headless'/>
+    <flag name=3D'vfio-pci.display'/>
+    <flag name=3D'blockdev'/>
+    <flag name=3D'memory-backend-memfd'/>
+    <flag name=3D'memory-backend-memfd.hugetlb'/>
+    <flag name=3D'iothread.poll-max-ns'/>
+    <flag name=3D'egl-headless.rendernode'/>
+    <flag name=3D'incremental-backup'/>
+  </qemuCaps>
+  <devices>
+    <device alias=3D'rng0'/>
+    <device alias=3D'sound0-codec0'/>
+    <device alias=3D'virtio-disk0'/>
+    <device alias=3D'virtio-serial0'/>
+    <device alias=3D'video0'/>
+    <device alias=3D'serial0'/>
+    <device alias=3D'sound0'/>
+    <device alias=3D'channel1'/>
+    <device alias=3D'channel0'/>
+    <device alias=3D'usb'/>
+  </devices>
+  <libDir path=3D'/var/lib/libvirt/qemu/domain-4-copy'/>
+  <channelTargetDir path=3D'/var/lib/libvirt/qemu/channel/target/domain-4-=
copy'/>
+  <chardevStdioLogd/>
+  <allowReboot value=3D'yes'/>
+  <nodename index=3D'0'/>
+  <fdset index=3D'0'/>
+  <blockjobs active=3D'no'/>
+  <agentTimeout>-2</agentTimeout>
+  <domain type=3D'kvm' id=3D'4'>
+    <name>copy</name>
+    <uuid>0439a4a8-db56-4933-9183-d8681d7b0746</uuid>
+    <memory unit=3D'KiB'>1024000</memory>
+    <currentMemory unit=3D'KiB'>1024000</currentMemory>
+    <vcpu placement=3D'static'>1</vcpu>
+    <throttlegroups>
+      <throttlegroup>
+        <total_iops_sec>200</total_iops_sec>
+        <total_iops_sec_max>200</total_iops_sec_max>
+        <group_name>limit0</group_name>
+        <total_iops_sec_max_length>1</total_iops_sec_max_length>
+      </throttlegroup>
+      <throttlegroup>
+        <total_iops_sec>250</total_iops_sec>
+        <total_iops_sec_max>250</total_iops_sec_max>
+        <group_name>limit1</group_name>
+        <total_iops_sec_max_length>1</total_iops_sec_max_length>
+      </throttlegroup>
+      <throttlegroup>
+        <total_iops_sec>300</total_iops_sec>
+        <total_iops_sec_max>300</total_iops_sec_max>
+        <group_name>limit2</group_name>
+        <total_iops_sec_max_length>1</total_iops_sec_max_length>
+      </throttlegroup>
+      <throttlegroup>
+        <total_iops_sec>400</total_iops_sec>
+        <total_iops_sec_max>400</total_iops_sec_max>
+        <group_name>limit012</group_name>
+        <total_iops_sec_max_length>1</total_iops_sec_max_length>
+      </throttlegroup>
+    </throttlegroups>
+    <resource>
+      <partition>/machine</partition>
+    </resource>
+    <os>
+      <type arch=3D'x86_64' machine=3D'pc-i440fx-2.9'>hvm</type>
+      <boot dev=3D'hd'/>
+      <bootmenu enable=3D'yes'/>
+    </os>
+    <features>
+      <acpi/>
+      <apic/>
+      <vmport state=3D'off'/>
+    </features>
+    <clock offset=3D'utc'>
+      <timer name=3D'rtc' tickpolicy=3D'catchup'/>
+      <timer name=3D'pit' tickpolicy=3D'delay'/>
+      <timer name=3D'hpet' present=3D'no'/>
+    </clock>
+    <on_poweroff>destroy</on_poweroff>
+    <on_reboot>restart</on_reboot>
+    <on_crash>restart</on_crash>
+    <pm>
+      <suspend-to-mem enabled=3D'no'/>
+      <suspend-to-disk enabled=3D'no'/>
+    </pm>
+    <devices>
+      <emulator>/usr/bin/qemu-system-x86_64</emulator>
+      <disk type=3D'file' device=3D'disk'>
+        <driver name=3D'qemu' type=3D'qcow2'/>
+        <source file=3D'/tmp/pull4.qcow2' index=3D'3'>
+          <privateData>
+            <nodenames>
+              <nodename type=3D'storage' name=3D'libvirt-3-storage'/>
+              <nodename type=3D'format' name=3D'libvirt-3-format'/>
+            </nodenames>
+          </privateData>
+        </source>
+        <target dev=3D'vda' bus=3D'virtio'/>
+        <throttlefilters>
+          <throttlefilter group=3D'limit0'/>
+          <throttlefilter group=3D'limit012'/>
+        </throttlefilters>
+        <alias name=3D'virtio-disk1'/>
+        <address type=3D'pci' domain=3D'0x0000' bus=3D'0x00' slot=3D'0x0b'=
 function=3D'0x0'/>
+        <privateData>
+          <qom name=3D'/machine/peripheral/virtio-disk1/virtio-backend'/>
+          <nodenames>
+            <nodename type=3D'throttle-filter' name=3D'libvirt-4-filter' g=
roup=3D'limit0'/>
+            <nodename type=3D'throttle-filter' name=3D'libvirt-5-filter' g=
roup=3D'limit012'/>
+          </nodenames>
+        </privateData>
+      </disk>
+      <disk type=3D'file' device=3D'disk'>
+        <driver name=3D'qemu' type=3D'qcow2'/>
+        <source file=3D'/tmp/pull5.qcow2' index=3D'4'>
+          <privateData>
+            <nodenames>
+              <nodename type=3D'storage' name=3D'libvirt-4-storage'/>
+              <nodename type=3D'format' name=3D'libvirt-4-format'/>
+            </nodenames>
+          </privateData>
+        </source>
+        <target dev=3D'vda' bus=3D'virtio'/>
+        <iotune>
+          <total_bytes_sec>10000000</total_bytes_sec>
+          <read_iops_sec>400000</read_iops_sec>
+          <write_iops_sec>100000</write_iops_sec>
+        </iotune>
+        <alias name=3D'virtio-disk2'/>
+        <address type=3D'pci' domain=3D'0x0000' bus=3D'0x00' slot=3D'0x0c'=
 function=3D'0x0'/>
+        <privateData>
+          <qom name=3D'/machine/peripheral/virtio-disk2/virtio-backend'/>
+        </privateData>
+      </disk>
+      <controller type=3D'usb' index=3D'0' model=3D'piix3-uhci'>
+        <alias name=3D'usb'/>
+        <address type=3D'pci' domain=3D'0x0000' bus=3D'0x00' slot=3D'0x01'=
 function=3D'0x2'/>
+      </controller>
+      <controller type=3D'pci' index=3D'0' model=3D'pci-root'>
+        <alias name=3D'pci.0'/>
+      </controller>
+      <serial type=3D'pty'>
+        <source path=3D'/dev/pts/34'/>
+        <target type=3D'isa-serial' port=3D'0'>
+          <model name=3D'isa-serial'/>
+        </target>
+        <alias name=3D'serial0'/>
+      </serial>
+      <console type=3D'pty' tty=3D'/dev/pts/34'>
+        <source path=3D'/dev/pts/34'/>
+        <target type=3D'serial' port=3D'0'/>
+        <alias name=3D'serial0'/>
+      </console>
+      <input type=3D'mouse' bus=3D'ps2'>
+        <alias name=3D'input0'/>
+      </input>
+      <input type=3D'keyboard' bus=3D'ps2'>
+        <alias name=3D'input1'/>
+      </input>
+      <graphics type=3D'spice' port=3D'5900' autoport=3D'yes' listen=3D'12=
7.0.0.1'>
+        <listen type=3D'address' address=3D'127.0.0.1' fromConfig=3D'1' au=
toGenerated=3D'no'/>
+        <image compression=3D'off'/>
+      </graphics>
+      <audio id=3D'1' type=3D'spice'/>
+      <video>
+        <model type=3D'qxl' ram=3D'65536' vram=3D'65536' vgamem=3D'16384' =
heads=3D'1' primary=3D'yes'/>
+        <alias name=3D'video0'/>
+        <address type=3D'pci' domain=3D'0x0000' bus=3D'0x00' slot=3D'0x02'=
 function=3D'0x0'/>
+      </video>
+      <memballoon model=3D'none'/>
+    </devices>
+    <seclabel type=3D'dynamic' model=3D'selinux' relabel=3D'yes'>
+      <label>unconfined_u:unconfined_r:svirt_t:s0:c550,c786</label>
+      <imagelabel>unconfined_u:object_r:svirt_image_t:s0:c550,c786</imagel=
abel>
+    </seclabel>
+    <seclabel type=3D'dynamic' model=3D'dac' relabel=3D'yes'>
+      <label>+0:+0</label>
+      <imagelabel>+0:+0</imagelabel>
+    </seclabel>
+  </domain>
+</domstatus>
diff --git a/tests/qemustatusxml2xmldata/throttlefilter-out.xml b/tests/qem=
ustatusxml2xmldata/throttlefilter-out.xml
new file mode 100644
index 0000000000..8751a42cce
--- /dev/null
+++ b/tests/qemustatusxml2xmldata/throttlefilter-out.xml
@@ -0,0 +1,393 @@
+<domstatus state=3D'running' reason=3D'booted' pid=3D'7690'>
+  <taint flag=3D'high-privileges'/>
+  <monitor path=3D'/var/lib/libvirt/qemu/domain-4-copy/monitor.sock' type=
=3D'unix'/>
+  <namespaces>
+    <mount/>
+  </namespaces>
+  <vcpus>
+    <vcpu id=3D'0' pid=3D'7696'/>
+  </vcpus>
+  <qemuCaps>
+    <flag name=3D'kvm'/>
+    <flag name=3D'no-hpet'/>
+    <flag name=3D'spice'/>
+    <flag name=3D'hda-duplex'/>
+    <flag name=3D'ccid-emulated'/>
+    <flag name=3D'ccid-passthru'/>
+    <flag name=3D'virtio-tx-alg'/>
+    <flag name=3D'virtio-blk-pci.ioeventfd'/>
+    <flag name=3D'sga'/>
+    <flag name=3D'virtio-blk-pci.event_idx'/>
+    <flag name=3D'virtio-net-pci.event_idx'/>
+    <flag name=3D'piix3-usb-uhci'/>
+    <flag name=3D'piix4-usb-uhci'/>
+    <flag name=3D'usb-ehci'/>
+    <flag name=3D'ich9-usb-ehci1'/>
+    <flag name=3D'vt82c686b-usb-uhci'/>
+    <flag name=3D'pci-ohci'/>
+    <flag name=3D'usb-redir'/>
+    <flag name=3D'usb-hub'/>
+    <flag name=3D'ich9-ahci'/>
+    <flag name=3D'no-acpi'/>
+    <flag name=3D'virtio-blk-pci.scsi'/>
+    <flag name=3D'scsi-disk.channel'/>
+    <flag name=3D'scsi-block'/>
+    <flag name=3D'transaction'/>
+    <flag name=3D'block-job-async'/>
+    <flag name=3D'scsi-cd'/>
+    <flag name=3D'ide-cd'/>
+    <flag name=3D'hda-micro'/>
+    <flag name=3D'dump-guest-memory'/>
+    <flag name=3D'nec-usb-xhci'/>
+    <flag name=3D'balloon-event'/>
+    <flag name=3D'lsi'/>
+    <flag name=3D'virtio-scsi-pci'/>
+    <flag name=3D'blockio'/>
+    <flag name=3D'disable-s3'/>
+    <flag name=3D'disable-s4'/>
+    <flag name=3D'usb-redir.filter'/>
+    <flag name=3D'ide-drive.wwn'/>
+    <flag name=3D'scsi-disk.wwn'/>
+    <flag name=3D'seccomp-sandbox'/>
+    <flag name=3D'reboot-timeout'/>
+    <flag name=3D'seamless-migration'/>
+    <flag name=3D'block-commit'/>
+    <flag name=3D'vnc'/>
+    <flag name=3D'drive-mirror'/>
+    <flag name=3D'blockdev-snapshot-sync'/>
+    <flag name=3D'qxl'/>
+    <flag name=3D'VGA'/>
+    <flag name=3D'cirrus-vga'/>
+    <flag name=3D'vmware-svga'/>
+    <flag name=3D'device-video-primary'/>
+    <flag name=3D'usb-serial'/>
+    <flag name=3D'nbd-server'/>
+    <flag name=3D'virtio-rng'/>
+    <flag name=3D'rng-random'/>
+    <flag name=3D'rng-egd'/>
+    <flag name=3D'megasas'/>
+    <flag name=3D'tpm-passthrough'/>
+    <flag name=3D'tpm-tis'/>
+    <flag name=3D'pci-bridge'/>
+    <flag name=3D'vfio-pci'/>
+    <flag name=3D'mem-merge'/>
+    <flag name=3D'drive-discard'/>
+    <flag name=3D'mlock'/>
+    <flag name=3D'device-del-event'/>
+    <flag name=3D'dmi-to-pci-bridge'/>
+    <flag name=3D'i440fx-pci-hole64-size'/>
+    <flag name=3D'q35-pci-hole64-size'/>
+    <flag name=3D'usb-storage'/>
+    <flag name=3D'usb-storage.removable'/>
+    <flag name=3D'ich9-intel-hda'/>
+    <flag name=3D'kvm-pit-lost-tick-policy'/>
+    <flag name=3D'boot-strict'/>
+    <flag name=3D'pvpanic'/>
+    <flag name=3D'spice-file-xfer-disable'/>
+    <flag name=3D'usb-kbd'/>
+    <flag name=3D'msg-timestamp'/>
+    <flag name=3D'active-commit'/>
+    <flag name=3D'change-backing-file'/>
+    <flag name=3D'memory-backend-ram'/>
+    <flag name=3D'numa'/>
+    <flag name=3D'memory-backend-file'/>
+    <flag name=3D'usb-audio'/>
+    <flag name=3D'rtc-reset-reinjection'/>
+    <flag name=3D'splash-timeout'/>
+    <flag name=3D'iothread'/>
+    <flag name=3D'migrate-rdma'/>
+    <flag name=3D'ivshmem'/>
+    <flag name=3D'drive-iotune-max'/>
+    <flag name=3D'VGA.vgamem_mb'/>
+    <flag name=3D'vmware-svga.vgamem_mb'/>
+    <flag name=3D'qxl.vgamem_mb'/>
+    <flag name=3D'pc-dimm'/>
+    <flag name=3D'machine-vmport-opt'/>
+    <flag name=3D'aes-key-wrap'/>
+    <flag name=3D'dea-key-wrap'/>
+    <flag name=3D'pci-serial'/>
+    <flag name=3D'vhost-user-multiqueue'/>
+    <flag name=3D'migration-event'/>
+    <flag name=3D'ioh3420'/>
+    <flag name=3D'x3130-upstream'/>
+    <flag name=3D'xio3130-downstream'/>
+    <flag name=3D'rtl8139'/>
+    <flag name=3D'e1000'/>
+    <flag name=3D'virtio-net'/>
+    <flag name=3D'gic-version'/>
+    <flag name=3D'incoming-defer'/>
+    <flag name=3D'virtio-gpu'/>
+    <flag name=3D'virtio-gpu.virgl'/>
+    <flag name=3D'virtio-keyboard'/>
+    <flag name=3D'virtio-mouse'/>
+    <flag name=3D'virtio-tablet'/>
+    <flag name=3D'virtio-input-host'/>
+    <flag name=3D'chardev-file-append'/>
+    <flag name=3D'ich9-disable-s3'/>
+    <flag name=3D'ich9-disable-s4'/>
+    <flag name=3D'vserport-change-event'/>
+    <flag name=3D'virtio-balloon-pci.deflate-on-oom'/>
+    <flag name=3D'mptsas1068'/>
+    <flag name=3D'spice-gl'/>
+    <flag name=3D'qxl.vram64_size_mb'/>
+    <flag name=3D'chardev-logfile'/>
+    <flag name=3D'debug-threads'/>
+    <flag name=3D'secret'/>
+    <flag name=3D'pxb'/>
+    <flag name=3D'pxb-pcie'/>
+    <flag name=3D'device-tray-moved-event'/>
+    <flag name=3D'nec-usb-xhci-ports'/>
+    <flag name=3D'virtio-scsi-pci.iothread'/>
+    <flag name=3D'name-guest'/>
+    <flag name=3D'qxl.max_outputs'/>
+    <flag name=3D'spice-unix'/>
+    <flag name=3D'drive-detect-zeroes'/>
+    <flag name=3D'tls-creds-x509'/>
+    <flag name=3D'intel-iommu'/>
+    <flag name=3D'smm'/>
+    <flag name=3D'virtio-pci-disable-legacy'/>
+    <flag name=3D'query-hotpluggable-cpus'/>
+    <flag name=3D'virtio-net.rx_queue_size'/>
+    <flag name=3D'virtio-vga'/>
+    <flag name=3D'drive-iotune-max-length'/>
+    <flag name=3D'ivshmem-plain'/>
+    <flag name=3D'ivshmem-doorbell'/>
+    <flag name=3D'query-qmp-schema'/>
+    <flag name=3D'gluster.debug_level'/>
+    <flag name=3D'vhost-scsi'/>
+    <flag name=3D'drive-iotune-group'/>
+    <flag name=3D'query-cpu-model-expansion'/>
+    <flag name=3D'virtio-net.host_mtu'/>
+    <flag name=3D'spice-rendernode'/>
+    <flag name=3D'nvdimm'/>
+    <flag name=3D'pcie-root-port'/>
+    <flag name=3D'query-cpu-definitions'/>
+    <flag name=3D'block-write-threshold'/>
+    <flag name=3D'query-named-block-nodes'/>
+    <flag name=3D'cpu-cache'/>
+    <flag name=3D'qemu-xhci'/>
+    <flag name=3D'kernel-irqchip'/>
+    <flag name=3D'kernel-irqchip.split'/>
+    <flag name=3D'intel-iommu.intremap'/>
+    <flag name=3D'intel-iommu.caching-mode'/>
+    <flag name=3D'intel-iommu.eim'/>
+    <flag name=3D'intel-iommu.device-iotlb'/>
+    <flag name=3D'virtio.iommu_platform'/>
+    <flag name=3D'virtio.ats'/>
+    <flag name=3D'loadparm'/>
+    <flag name=3D'vnc-multi-servers'/>
+    <flag name=3D'virtio-net.tx_queue_size'/>
+    <flag name=3D'chardev-reconnect'/>
+    <flag name=3D'virtio-gpu.max_outputs'/>
+    <flag name=3D'vxhs'/>
+    <flag name=3D'virtio-blk.num-queues'/>
+    <flag name=3D'vmcoreinfo'/>
+    <flag name=3D'numa.dist'/>
+    <flag name=3D'disk-share-rw'/>
+    <flag name=3D'iscsi.password-secret'/>
+    <flag name=3D'isa-serial'/>
+    <flag name=3D'dump-completed'/>
+    <flag name=3D'qcow2-luks'/>
+    <flag name=3D'pcie-pci-bridge'/>
+    <flag name=3D'seccomp-blacklist'/>
+    <flag name=3D'query-cpus-fast'/>
+    <flag name=3D'disk-write-cache'/>
+    <flag name=3D'nbd-tls'/>
+    <flag name=3D'tpm-crb'/>
+    <flag name=3D'pr-manager-helper'/>
+    <flag name=3D'qom-list-properties'/>
+    <flag name=3D'memory-backend-file.discard-data'/>
+    <flag name=3D'sdl-gl'/>
+    <flag name=3D'screendump_device'/>
+    <flag name=3D'hda-output'/>
+    <flag name=3D'blockdev-del'/>
+    <flag name=3D'vmgenid'/>
+    <flag name=3D'vhost-vsock'/>
+    <flag name=3D'chardev-fd-pass'/>
+    <flag name=3D'tpm-emulator'/>
+    <flag name=3D'mch'/>
+    <flag name=3D'mch.extended-tseg-mbytes'/>
+    <flag name=3D'usb-storage.werror'/>
+    <flag name=3D'egl-headless'/>
+    <flag name=3D'vfio-pci.display'/>
+    <flag name=3D'blockdev'/>
+    <flag name=3D'memory-backend-memfd'/>
+    <flag name=3D'memory-backend-memfd.hugetlb'/>
+    <flag name=3D'iothread.poll-max-ns'/>
+    <flag name=3D'egl-headless.rendernode'/>
+    <flag name=3D'incremental-backup'/>
+  </qemuCaps>
+  <devices>
+    <device alias=3D'rng0'/>
+    <device alias=3D'sound0-codec0'/>
+    <device alias=3D'virtio-disk0'/>
+    <device alias=3D'virtio-serial0'/>
+    <device alias=3D'video0'/>
+    <device alias=3D'serial0'/>
+    <device alias=3D'sound0'/>
+    <device alias=3D'channel1'/>
+    <device alias=3D'channel0'/>
+    <device alias=3D'usb'/>
+  </devices>
+  <libDir path=3D'/var/lib/libvirt/qemu/domain-4-copy'/>
+  <channelTargetDir path=3D'/var/lib/libvirt/qemu/channel/target/domain-4-=
copy'/>
+  <memoryBackingDir path=3D'/var/lib/libvirt/qemu/ram/4-copy'/>
+  <chardevStdioLogd/>
+  <allowReboot value=3D'yes'/>
+  <nodename index=3D'0'/>
+  <fdset index=3D'0'/>
+  <blockjobs active=3D'no'/>
+  <agentTimeout>-2</agentTimeout>
+  <domain type=3D'kvm' id=3D'4'>
+    <name>copy</name>
+    <uuid>0439a4a8-db56-4933-9183-d8681d7b0746</uuid>
+    <memory unit=3D'KiB'>1024000</memory>
+    <currentMemory unit=3D'KiB'>1024000</currentMemory>
+    <vcpu placement=3D'static'>1</vcpu>
+    <throttlegroups>
+      <throttlegroup>
+        <total_iops_sec>200</total_iops_sec>
+        <total_iops_sec_max>200</total_iops_sec_max>
+        <total_iops_sec_max_length>1</total_iops_sec_max_length>
+        <group_name>limit0</group_name>
+      </throttlegroup>
+      <throttlegroup>
+        <total_iops_sec>250</total_iops_sec>
+        <total_iops_sec_max>250</total_iops_sec_max>
+        <total_iops_sec_max_length>1</total_iops_sec_max_length>
+        <group_name>limit1</group_name>
+      </throttlegroup>
+      <throttlegroup>
+        <total_iops_sec>300</total_iops_sec>
+        <total_iops_sec_max>300</total_iops_sec_max>
+        <total_iops_sec_max_length>1</total_iops_sec_max_length>
+        <group_name>limit2</group_name>
+      </throttlegroup>
+      <throttlegroup>
+        <total_iops_sec>400</total_iops_sec>
+        <total_iops_sec_max>400</total_iops_sec_max>
+        <total_iops_sec_max_length>1</total_iops_sec_max_length>
+        <group_name>limit012</group_name>
+      </throttlegroup>
+    </throttlegroups>
+    <resource>
+      <partition>/machine</partition>
+    </resource>
+    <os>
+      <type arch=3D'x86_64' machine=3D'pc-i440fx-2.9'>hvm</type>
+      <boot dev=3D'hd'/>
+      <bootmenu enable=3D'yes'/>
+    </os>
+    <features>
+      <acpi/>
+      <apic/>
+      <vmport state=3D'off'/>
+    </features>
+    <clock offset=3D'utc'>
+      <timer name=3D'rtc' tickpolicy=3D'catchup'/>
+      <timer name=3D'pit' tickpolicy=3D'delay'/>
+      <timer name=3D'hpet' present=3D'no'/>
+    </clock>
+    <on_poweroff>destroy</on_poweroff>
+    <on_reboot>restart</on_reboot>
+    <on_crash>restart</on_crash>
+    <pm>
+      <suspend-to-mem enabled=3D'no'/>
+      <suspend-to-disk enabled=3D'no'/>
+    </pm>
+    <devices>
+      <emulator>/usr/bin/qemu-system-x86_64</emulator>
+      <disk type=3D'file' device=3D'disk'>
+        <driver name=3D'qemu' type=3D'qcow2'/>
+        <source file=3D'/tmp/pull4.qcow2' index=3D'3'>
+          <privateData>
+            <nodenames>
+              <nodename type=3D'storage' name=3D'libvirt-3-storage'/>
+              <nodename type=3D'format' name=3D'libvirt-3-format'/>
+            </nodenames>
+          </privateData>
+        </source>
+        <target dev=3D'vda' bus=3D'virtio'/>
+        <throttlefilters>
+          <throttlefilter group=3D'limit0'/>
+          <throttlefilter group=3D'limit012'/>
+        </throttlefilters>
+        <alias name=3D'virtio-disk1'/>
+        <address type=3D'pci' domain=3D'0x0000' bus=3D'0x00' slot=3D'0x0b'=
 function=3D'0x0'/>
+        <privateData>
+          <qom name=3D'/machine/peripheral/virtio-disk1/virtio-backend'/>
+          <nodenames>
+            <nodename type=3D'throttle-filter' name=3D'libvirt-4-filter' g=
roup=3D'limit0'/>
+            <nodename type=3D'throttle-filter' name=3D'libvirt-5-filter' g=
roup=3D'limit012'/>
+          </nodenames>
+        </privateData>
+      </disk>
+      <disk type=3D'file' device=3D'disk'>
+        <driver name=3D'qemu' type=3D'qcow2'/>
+        <source file=3D'/tmp/pull5.qcow2' index=3D'4'>
+          <privateData>
+            <nodenames>
+              <nodename type=3D'storage' name=3D'libvirt-4-storage'/>
+              <nodename type=3D'format' name=3D'libvirt-4-format'/>
+            </nodenames>
+          </privateData>
+        </source>
+        <target dev=3D'vda' bus=3D'virtio'/>
+        <iotune>
+          <total_bytes_sec>10000000</total_bytes_sec>
+          <read_iops_sec>400000</read_iops_sec>
+          <write_iops_sec>100000</write_iops_sec>
+        </iotune>
+        <alias name=3D'virtio-disk2'/>
+        <address type=3D'pci' domain=3D'0x0000' bus=3D'0x00' slot=3D'0x0c'=
 function=3D'0x0'/>
+        <privateData>
+          <qom name=3D'/machine/peripheral/virtio-disk2/virtio-backend'/>
+        </privateData>
+      </disk>
+      <controller type=3D'usb' index=3D'0' model=3D'piix3-uhci'>
+        <alias name=3D'usb'/>
+        <address type=3D'pci' domain=3D'0x0000' bus=3D'0x00' slot=3D'0x01'=
 function=3D'0x2'/>
+      </controller>
+      <controller type=3D'pci' index=3D'0' model=3D'pci-root'>
+        <alias name=3D'pci.0'/>
+      </controller>
+      <serial type=3D'pty'>
+        <source path=3D'/dev/pts/34'/>
+        <target type=3D'isa-serial' port=3D'0'>
+          <model name=3D'isa-serial'/>
+        </target>
+        <alias name=3D'serial0'/>
+      </serial>
+      <console type=3D'pty' tty=3D'/dev/pts/34'>
+        <source path=3D'/dev/pts/34'/>
+        <target type=3D'serial' port=3D'0'/>
+        <alias name=3D'serial0'/>
+      </console>
+      <input type=3D'mouse' bus=3D'ps2'>
+        <alias name=3D'input0'/>
+      </input>
+      <input type=3D'keyboard' bus=3D'ps2'>
+        <alias name=3D'input1'/>
+      </input>
+      <graphics type=3D'spice' port=3D'5900' autoport=3D'yes' listen=3D'12=
7.0.0.1'>
+        <listen type=3D'address' address=3D'127.0.0.1' fromConfig=3D'1' au=
toGenerated=3D'no'/>
+        <image compression=3D'off'/>
+      </graphics>
+      <audio id=3D'1' type=3D'spice'/>
+      <video>
+        <model type=3D'qxl' ram=3D'65536' vram=3D'65536' vgamem=3D'16384' =
heads=3D'1' primary=3D'yes'/>
+        <alias name=3D'video0'/>
+        <address type=3D'pci' domain=3D'0x0000' bus=3D'0x00' slot=3D'0x02'=
 function=3D'0x0'/>
+      </video>
+      <memballoon model=3D'none'/>
+    </devices>
+    <seclabel type=3D'dynamic' model=3D'selinux' relabel=3D'yes'>
+      <label>unconfined_u:unconfined_r:svirt_t:s0:c550,c786</label>
+      <imagelabel>unconfined_u:object_r:svirt_image_t:s0:c550,c786</imagel=
abel>
+    </seclabel>
+    <seclabel type=3D'dynamic' model=3D'dac' relabel=3D'yes'>
+      <label>+0:+0</label>
+      <imagelabel>+0:+0</imagelabel>
+    </seclabel>
+  </domain>
+</domstatus>
diff --git a/tests/qemuxmlactivetest.c b/tests/qemuxmlactivetest.c
index 8cf44090ce..b132b91623 100644
--- a/tests/qemuxmlactivetest.c
+++ b/tests/qemuxmlactivetest.c
@@ -247,6 +247,7 @@ mymain(void)
     DO_TEST_STATUS("blockjob-blockdev");
=20
     DO_TEST_STATUS("backup-pull");
+    DO_TEST_STATUS("throttlefilter");
=20
     DO_TEST_STATUS("memory-backing-dir");
=20
diff --git a/tests/qemuxmlconfdata/throttlefilter-invalid.x86_64-latest.err=
 b/tests/qemuxmlconfdata/throttlefilter-invalid.x86_64-latest.err
new file mode 100644
index 0000000000..ddb9670617
--- /dev/null
+++ b/tests/qemuxmlconfdata/throttlefilter-invalid.x86_64-latest.err
@@ -0,0 +1 @@
+Operation not supported: block 'throttlefilters' can't be used together wi=
th 'iotune' for disk 'vda'
diff --git a/tests/qemuxmlconfdata/throttlefilter-invalid.xml b/tests/qemux=
mlconfdata/throttlefilter-invalid.xml
new file mode 100644
index 0000000000..ebd250acac
--- /dev/null
+++ b/tests/qemuxmlconfdata/throttlefilter-invalid.xml
@@ -0,0 +1,89 @@
+<domain type=3D'qemu'>
+  <name>QEMUGuest1</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory unit=3D'KiB'>219100</memory>
+  <currentMemory unit=3D'KiB'>219100</currentMemory>
+  <vcpu placement=3D'static'>1</vcpu>
+  <throttlegroups>
+    <throttlegroup>
+      <total_bytes_sec>4000</total_bytes_sec>
+      <total_iops_sec>4000</total_iops_sec>
+      <group_name>limit0</group_name>
+    </throttlegroup>
+    <throttlegroup>
+      <read_bytes_sec>5000</read_bytes_sec>
+      <write_bytes_sec>5000</write_bytes_sec>
+      <total_iops_sec>5000</total_iops_sec>
+      <group_name>limit1</group_name>
+    </throttlegroup>
+    <throttlegroup>
+      <read_bytes_sec>6000</read_bytes_sec>
+      <write_bytes_sec>6000</write_bytes_sec>
+      <total_iops_sec>6000</total_iops_sec>
+      <group_name>limit2</group_name>
+    </throttlegroup>
+    <throttlegroup>
+      <read_bytes_sec>7000</read_bytes_sec>
+      <write_bytes_sec>7000</write_bytes_sec>
+      <total_iops_sec>7000</total_iops_sec>
+      <group_name>limit12</group_name>
+    </throttlegroup>
+    <throttlegroup>
+      <read_bytes_sec>7000</read_bytes_sec>
+      <write_bytes_sec>7000</write_bytes_sec>
+      <total_iops_sec>7000</total_iops_sec>
+      <group_name>limit3</group_name>
+    </throttlegroup>
+  </throttlegroups>
+  <os>
+    <type arch=3D'x86_64' machine=3D'pc'>hvm</type>
+    <boot dev=3D'hd'/>
+  </os>
+  <clock offset=3D'utc'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <devices>
+    <emulator>/usr/bin/qemu-system-x86_64</emulator>
+    <disk type=3D'block' device=3D'disk'>
+      <driver name=3D'qemu' type=3D'qcow2' cache=3D'none'/>
+      <source dev=3D'/dev/HostVG/QEMUGuest1'/>
+      <target dev=3D'vda' bus=3D'virtio'/>
+      <iotune>
+          <total_bytes_sec>10000000</total_bytes_sec>
+          <read_iops_sec>400000</read_iops_sec>
+          <write_iops_sec>100000</write_iops_sec>
+      </iotune>
+      <throttlefilters>
+        <throttlefilter group=3D'limit0'/>
+      </throttlefilters>
+      <address type=3D'pci' domain=3D'0x0000' bus=3D'0x00' slot=3D'0x04' f=
unction=3D'0x0'/>
+    </disk>
+    <disk type=3D'block' device=3D'disk'>
+      <driver name=3D'qemu' type=3D'qcow2' cache=3D'none'/>
+      <source dev=3D'/dev/HostVG/QEMUGuest2'/>
+      <target dev=3D'vdb' bus=3D'virtio'/>
+      <throttlefilters>
+        <throttlefilter group=3D'limit1'/>
+        <throttlefilter group=3D'limit12'/>
+      </throttlefilters>
+      <address type=3D'pci' domain=3D'0x0000' bus=3D'0x00' slot=3D'0x05' f=
unction=3D'0x0'/>
+    </disk>
+    <disk type=3D'block' device=3D'disk'>
+      <driver name=3D'qemu' type=3D'qcow2' cache=3D'none'/>
+      <source dev=3D'/dev/HostVG/QEMUGuest3'/>
+      <target dev=3D'vdc' bus=3D'virtio'/>
+      <throttlefilters>
+        <throttlefilter group=3D'limit2'/>
+        <throttlefilter group=3D'limit12'/>
+      </throttlefilters>
+      <address type=3D'pci' domain=3D'0x0000' bus=3D'0x00' slot=3D'0x06' f=
unction=3D'0x0'/>
+    </disk>
+    <controller type=3D'usb' index=3D'0'/>
+    <controller type=3D'ide' index=3D'0'/>
+    <controller type=3D'pci' index=3D'0' model=3D'pci-root'/>
+    <input type=3D'mouse' bus=3D'ps2'/>
+    <input type=3D'keyboard' bus=3D'ps2'/>
+    <memballoon model=3D'virtio'/>
+  </devices>
+</domain>
diff --git a/tests/qemuxmlconfdata/throttlefilter.x86_64-latest.args b/test=
s/qemuxmlconfdata/throttlefilter.x86_64-latest.args
new file mode 100644
index 0000000000..da757f91f9
--- /dev/null
+++ b/tests/qemuxmlconfdata/throttlefilter.x86_64-latest.args
@@ -0,0 +1,55 @@
+LC_ALL=3DC \
+PATH=3D/bin \
+HOME=3D/var/lib/libvirt/qemu/domain--1-QEMUGuest1 \
+USER=3Dtest \
+LOGNAME=3Dtest \
+XDG_DATA_HOME=3D/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.local/share \
+XDG_CACHE_HOME=3D/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.cache \
+XDG_CONFIG_HOME=3D/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.config \
+/usr/bin/qemu-system-x86_64 \
+-name guest=3DQEMUGuest1,debug-threads=3Don \
+-S \
+-object '{"qom-type":"secret","id":"masterKey0","format":"raw","file":"/va=
r/lib/libvirt/qemu/domain--1-QEMUGuest1/master-key.aes"}' \
+-machine pc,usb=3Doff,dump-guest-core=3Doff,memory-backend=3Dpc.ram,acpi=
=3Doff \
+-accel tcg \
+-cpu qemu64 \
+-m size=3D219136k \
+-object '{"qom-type":"memory-backend-ram","id":"pc.ram","size":224395264}'=
 \
+-overcommit mem-lock=3Doff \
+-smp 1,sockets=3D1,cores=3D1,threads=3D1 \
+-object '{"qom-type":"throttle-group","id":"throttle-limit0","limits":{"bp=
s-total":4000,"iops-total":4000}}' \
+-object '{"qom-type":"throttle-group","id":"throttle-limit1","limits":{"bp=
s-read":5000,"bps-write":5000,"iops-total":5000}}' \
+-object '{"qom-type":"throttle-group","id":"throttle-limit2","limits":{"bp=
s-read":6000,"bps-write":6000,"iops-total":6000}}' \
+-object '{"qom-type":"throttle-group","id":"throttle-limit12","limits":{"b=
ps-read":7000,"bps-write":7000,"iops-total":7000}}' \
+-object '{"qom-type":"throttle-group","id":"throttle-limit3","limits":{"bp=
s-read":8000,"bps-write":8000,"iops-total":8000}}' \
+-uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \
+-display none \
+-no-user-config \
+-nodefaults \
+-chardev socket,id=3Dcharmonitor,fd=3D1729,server=3Don,wait=3Doff \
+-mon chardev=3Dcharmonitor,id=3Dmonitor,mode=3Dcontrol \
+-rtc base=3Dutc \
+-no-shutdown \
+-boot strict=3Don \
+-device '{"driver":"piix3-usb-uhci","id":"usb","bus":"pci.0","addr":"0x1.0=
x2"}' \
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest1","no=
de-name":"libvirt-8-storage","auto-read-only":true,"discard":"unmap","cache=
":{"direct":true,"no-flush":false}}' \
+-blockdev '{"node-name":"libvirt-8-format","read-only":false,"cache":{"dir=
ect":true,"no-flush":false},"driver":"qcow2","file":"libvirt-8-storage"}' \
+-blockdev '{"driver":"throttle","node-name":"libvirt-9-filter","throttle-g=
roup":"throttle-limit0","file":"libvirt-8-format"}' \
+-device '{"driver":"virtio-blk-pci","bus":"pci.0","addr":"0x4","drive":"li=
bvirt-9-filter","id":"virtio-disk0","bootindex":1,"write-cache":"on"}' \
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest2","no=
de-name":"libvirt-5-storage","auto-read-only":true,"discard":"unmap","cache=
":{"direct":true,"no-flush":false}}' \
+-blockdev '{"node-name":"libvirt-5-format","read-only":false,"cache":{"dir=
ect":true,"no-flush":false},"driver":"qcow2","file":"libvirt-5-storage"}' \
+-blockdev '{"driver":"throttle","node-name":"libvirt-6-filter","throttle-g=
roup":"throttle-limit1","file":"libvirt-5-format"}' \
+-blockdev '{"driver":"throttle","node-name":"libvirt-7-filter","throttle-g=
roup":"throttle-limit12","file":"libvirt-6-filter"}' \
+-device '{"driver":"virtio-blk-pci","bus":"pci.0","addr":"0x5","drive":"li=
bvirt-7-filter","id":"virtio-disk1","write-cache":"on"}' \
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest3","no=
de-name":"libvirt-2-storage","auto-read-only":true,"discard":"unmap","cache=
":{"direct":true,"no-flush":false}}' \
+-blockdev '{"node-name":"libvirt-2-format","read-only":false,"cache":{"dir=
ect":true,"no-flush":false},"driver":"qcow2","file":"libvirt-2-storage"}' \
+-blockdev '{"driver":"throttle","node-name":"libvirt-3-filter","throttle-g=
roup":"throttle-limit2","file":"libvirt-2-format"}' \
+-blockdev '{"driver":"throttle","node-name":"libvirt-4-filter","throttle-g=
roup":"throttle-limit12","file":"libvirt-3-filter"}' \
+-device '{"driver":"virtio-blk-pci","bus":"pci.0","addr":"0x6","drive":"li=
bvirt-4-filter","id":"virtio-disk2","write-cache":"on"}' \
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest4","no=
de-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap","cache=
":{"direct":true,"no-flush":false}}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":false,"cache":{"dir=
ect":true,"no-flush":false},"driver":"qcow2","file":"libvirt-1-storage"}' \
+-device '{"driver":"virtio-blk-pci","bus":"pci.0","addr":"0x7","drive":"li=
bvirt-1-format","id":"virtio-disk3","write-cache":"on"}' \
+-audiodev '{"id":"audio1","driver":"none"}' \
+-device '{"driver":"virtio-balloon-pci","id":"balloon0","bus":"pci.0","add=
r":"0x2"}' \
+-sandbox on,obsolete=3Ddeny,elevateprivileges=3Ddeny,spawn=3Ddeny,resource=
control=3Ddeny \
+-msg timestamp=3Don
diff --git a/tests/qemuxmlconfdata/throttlefilter.x86_64-latest.xml b/tests=
/qemuxmlconfdata/throttlefilter.x86_64-latest.xml
new file mode 100644
index 0000000000..32d57f1723
--- /dev/null
+++ b/tests/qemuxmlconfdata/throttlefilter.x86_64-latest.xml
@@ -0,0 +1,105 @@
+<domain type=3D'qemu'>
+  <name>QEMUGuest1</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory unit=3D'KiB'>219100</memory>
+  <currentMemory unit=3D'KiB'>219100</currentMemory>
+  <vcpu placement=3D'static'>1</vcpu>
+  <throttlegroups>
+    <throttlegroup>
+      <total_bytes_sec>4000</total_bytes_sec>
+      <total_iops_sec>4000</total_iops_sec>
+      <group_name>limit0</group_name>
+    </throttlegroup>
+    <throttlegroup>
+      <read_bytes_sec>5000</read_bytes_sec>
+      <write_bytes_sec>5000</write_bytes_sec>
+      <total_iops_sec>5000</total_iops_sec>
+      <group_name>limit1</group_name>
+    </throttlegroup>
+    <throttlegroup>
+      <read_bytes_sec>6000</read_bytes_sec>
+      <write_bytes_sec>6000</write_bytes_sec>
+      <total_iops_sec>6000</total_iops_sec>
+      <group_name>limit2</group_name>
+    </throttlegroup>
+    <throttlegroup>
+      <read_bytes_sec>7000</read_bytes_sec>
+      <write_bytes_sec>7000</write_bytes_sec>
+      <total_iops_sec>7000</total_iops_sec>
+      <group_name>limit12</group_name>
+    </throttlegroup>
+    <throttlegroup>
+      <read_bytes_sec>8000</read_bytes_sec>
+      <write_bytes_sec>8000</write_bytes_sec>
+      <total_iops_sec>8000</total_iops_sec>
+      <group_name>limit3</group_name>
+    </throttlegroup>
+  </throttlegroups>
+  <os>
+    <type arch=3D'x86_64' machine=3D'pc'>hvm</type>
+    <boot dev=3D'hd'/>
+  </os>
+  <cpu mode=3D'custom' match=3D'exact' check=3D'none'>
+    <model fallback=3D'forbid'>qemu64</model>
+  </cpu>
+  <clock offset=3D'utc'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <devices>
+    <emulator>/usr/bin/qemu-system-x86_64</emulator>
+    <disk type=3D'block' device=3D'disk'>
+      <driver name=3D'qemu' type=3D'qcow2' cache=3D'none'/>
+      <source dev=3D'/dev/HostVG/QEMUGuest1'/>
+      <target dev=3D'vda' bus=3D'virtio'/>
+      <throttlefilters>
+        <throttlefilter group=3D'limit0'/>
+      </throttlefilters>
+      <address type=3D'pci' domain=3D'0x0000' bus=3D'0x00' slot=3D'0x04' f=
unction=3D'0x0'/>
+    </disk>
+    <disk type=3D'block' device=3D'disk'>
+      <driver name=3D'qemu' type=3D'qcow2' cache=3D'none'/>
+      <source dev=3D'/dev/HostVG/QEMUGuest2'/>
+      <target dev=3D'vdb' bus=3D'virtio'/>
+      <throttlefilters>
+        <throttlefilter group=3D'limit1'/>
+        <throttlefilter group=3D'limit12'/>
+      </throttlefilters>
+      <address type=3D'pci' domain=3D'0x0000' bus=3D'0x00' slot=3D'0x05' f=
unction=3D'0x0'/>
+    </disk>
+    <disk type=3D'block' device=3D'disk'>
+      <driver name=3D'qemu' type=3D'qcow2' cache=3D'none'/>
+      <source dev=3D'/dev/HostVG/QEMUGuest3'/>
+      <target dev=3D'vdc' bus=3D'virtio'/>
+      <throttlefilters>
+        <throttlefilter group=3D'limit2'/>
+        <throttlefilter group=3D'limit12'/>
+      </throttlefilters>
+      <address type=3D'pci' domain=3D'0x0000' bus=3D'0x00' slot=3D'0x06' f=
unction=3D'0x0'/>
+    </disk>
+    <disk type=3D'block' device=3D'disk'>
+      <driver name=3D'qemu' type=3D'qcow2' cache=3D'none'/>
+      <source dev=3D'/dev/HostVG/QEMUGuest4'/>
+      <target dev=3D'vdd' bus=3D'virtio'/>
+      <iotune>
+        <total_bytes_sec>10000000</total_bytes_sec>
+        <read_iops_sec>400000</read_iops_sec>
+        <write_iops_sec>100000</write_iops_sec>
+      </iotune>
+      <address type=3D'pci' domain=3D'0x0000' bus=3D'0x00' slot=3D'0x07' f=
unction=3D'0x0'/>
+    </disk>
+    <controller type=3D'usb' index=3D'0' model=3D'piix3-uhci'>
+      <address type=3D'pci' domain=3D'0x0000' bus=3D'0x00' slot=3D'0x01' f=
unction=3D'0x2'/>
+    </controller>
+    <controller type=3D'ide' index=3D'0'>
+      <address type=3D'pci' domain=3D'0x0000' bus=3D'0x00' slot=3D'0x01' f=
unction=3D'0x1'/>
+    </controller>
+    <controller type=3D'pci' index=3D'0' model=3D'pci-root'/>
+    <input type=3D'mouse' bus=3D'ps2'/>
+    <input type=3D'keyboard' bus=3D'ps2'/>
+    <audio id=3D'1' type=3D'none'/>
+    <memballoon model=3D'virtio'>
+      <address type=3D'pci' domain=3D'0x0000' bus=3D'0x00' slot=3D'0x02' f=
unction=3D'0x0'/>
+    </memballoon>
+  </devices>
+</domain>
diff --git a/tests/qemuxmlconfdata/throttlefilter.xml b/tests/qemuxmlconfda=
ta/throttlefilter.xml
new file mode 100644
index 0000000000..d7db766755
--- /dev/null
+++ b/tests/qemuxmlconfdata/throttlefilter.xml
@@ -0,0 +1,95 @@
+<domain type=3D'qemu'>
+  <name>QEMUGuest1</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory unit=3D'KiB'>219100</memory>
+  <currentMemory unit=3D'KiB'>219100</currentMemory>
+  <vcpu placement=3D'static'>1</vcpu>
+  <throttlegroups>
+    <throttlegroup>
+      <total_bytes_sec>4000</total_bytes_sec>
+      <total_iops_sec>4000</total_iops_sec>
+      <group_name>limit0</group_name>
+    </throttlegroup>
+    <throttlegroup>
+      <read_bytes_sec>5000</read_bytes_sec>
+      <write_bytes_sec>5000</write_bytes_sec>
+      <total_iops_sec>5000</total_iops_sec>
+      <group_name>limit1</group_name>
+    </throttlegroup>
+    <throttlegroup>
+      <read_bytes_sec>6000</read_bytes_sec>
+      <write_bytes_sec>6000</write_bytes_sec>
+      <total_iops_sec>6000</total_iops_sec>
+      <group_name>limit2</group_name>
+    </throttlegroup>
+    <throttlegroup>
+      <read_bytes_sec>7000</read_bytes_sec>
+      <write_bytes_sec>7000</write_bytes_sec>
+      <total_iops_sec>7000</total_iops_sec>
+      <group_name>limit12</group_name>
+    </throttlegroup>
+    <throttlegroup>
+      <read_bytes_sec>8000</read_bytes_sec>
+      <write_bytes_sec>8000</write_bytes_sec>
+      <total_iops_sec>8000</total_iops_sec>
+      <group_name>limit3</group_name>
+    </throttlegroup>
+  </throttlegroups>
+  <os>
+    <type arch=3D'x86_64' machine=3D'pc'>hvm</type>
+    <boot dev=3D'hd'/>
+  </os>
+  <clock offset=3D'utc'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <devices>
+    <emulator>/usr/bin/qemu-system-x86_64</emulator>
+    <disk type=3D'block' device=3D'disk'>
+      <driver name=3D'qemu' type=3D'qcow2' cache=3D'none'/>
+      <source dev=3D'/dev/HostVG/QEMUGuest1'/>
+      <target dev=3D'vda' bus=3D'virtio'/>
+      <throttlefilters>
+        <throttlefilter group=3D'limit0'/>
+      </throttlefilters>
+      <address type=3D'pci' domain=3D'0x0000' bus=3D'0x00' slot=3D'0x04' f=
unction=3D'0x0'/>
+    </disk>
+    <disk type=3D'block' device=3D'disk'>
+      <driver name=3D'qemu' type=3D'qcow2' cache=3D'none'/>
+      <source dev=3D'/dev/HostVG/QEMUGuest2'/>
+      <target dev=3D'vdb' bus=3D'virtio'/>
+      <throttlefilters>
+        <throttlefilter group=3D'limit1'/>
+        <throttlefilter group=3D'limit12'/>
+      </throttlefilters>
+      <address type=3D'pci' domain=3D'0x0000' bus=3D'0x00' slot=3D'0x05' f=
unction=3D'0x0'/>
+    </disk>
+    <disk type=3D'block' device=3D'disk'>
+      <driver name=3D'qemu' type=3D'qcow2' cache=3D'none'/>
+      <source dev=3D'/dev/HostVG/QEMUGuest3'/>
+      <target dev=3D'vdc' bus=3D'virtio'/>
+      <throttlefilters>
+        <throttlefilter group=3D'limit2'/>
+        <throttlefilter group=3D'limit12'/>
+      </throttlefilters>
+      <address type=3D'pci' domain=3D'0x0000' bus=3D'0x00' slot=3D'0x06' f=
unction=3D'0x0'/>
+    </disk>
+    <disk type=3D'block' device=3D'disk'>
+      <driver name=3D'qemu' type=3D'qcow2' cache=3D'none'/>
+      <source dev=3D'/dev/HostVG/QEMUGuest4'/>
+      <target dev=3D'vdd' bus=3D'virtio'/>
+      <iotune>
+          <total_bytes_sec>10000000</total_bytes_sec>
+          <read_iops_sec>400000</read_iops_sec>
+          <write_iops_sec>100000</write_iops_sec>
+      </iotune>
+      <address type=3D'pci' domain=3D'0x0000' bus=3D'0x00' slot=3D'0x07' f=
unction=3D'0x0'/>
+    </disk>
+    <controller type=3D'usb' index=3D'0'/>
+    <controller type=3D'ide' index=3D'0'/>
+    <controller type=3D'pci' index=3D'0' model=3D'pci-root'/>
+    <input type=3D'mouse' bus=3D'ps2'/>
+    <input type=3D'keyboard' bus=3D'ps2'/>
+    <memballoon model=3D'virtio'/>
+  </devices>
+</domain>
diff --git a/tests/qemuxmlconftest.c b/tests/qemuxmlconftest.c
index f3c8d0ae34..10b29c7d62 100644
--- a/tests/qemuxmlconftest.c
+++ b/tests/qemuxmlconftest.c
@@ -2350,6 +2350,8 @@ mymain(void)
     DO_TEST_CAPS_LATEST("blkdeviotune-max");
     DO_TEST_CAPS_LATEST("blkdeviotune-group-num");
     DO_TEST_CAPS_LATEST("blkdeviotune-max-length");
+    DO_TEST_CAPS_LATEST("throttlefilter");
+    DO_TEST_CAPS_LATEST_PARSE_ERROR("throttlefilter-invalid");
=20
     DO_TEST_CAPS_LATEST("multifunction-pci-device");
=20
--=20
2.39.5 (Apple Git-154)