Jaehoon Kim 17e8a76205 qemu: add poll-weight getter and stats support
Add support for reading the iothread poll-weight value from QEMU and
exposing it via domain stats.

Add poll_weight and set_poll_weight fields to qemuMonitorIOThreadInfo
and parse the poll-weight property from the QMP query-iothreads
response. The property is optional and only present on newer QEMU
binaries.

Expose the fetched value through the domain stats interface by adding
VIR_DOMAIN_STATS_IOTHREAD_SUFFIX_POLL_WEIGHT and reporting it in
qemuDomainGetStatsIOThread when the value is available.

Signed-off-by: Jaehoon Kim <jhkim@linux.ibm.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
2026-08-20 17:11:49 +02:00
2019-05-31 17:54:28 +02:00
2026-06-17 14:09:01 +02:00
2026-08-14 11:01:58 +02:00
2019-09-06 12:47:46 +02:00
2022-03-17 14:33:12 +01:00
2023-12-05 11:48:28 +01:00
2020-08-03 09:26:48 +02:00
2019-10-18 17:32:52 +02:00
2015-06-16 13:46:20 +02:00
2026-08-03 11:47:50 +02:00

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==============================
Libvirt API for virtualization
==============================

Libvirt provides a portable, long term stable C API for managing the
virtualization technologies provided by many operating systems. It
includes support for QEMU, KVM, Xen, LXC, bhyve, Virtuozzo, VMware
vCenter and ESX, VMware Desktop, Hyper-V, VirtualBox and the POWER
Hypervisor.

For some of these hypervisors, it provides a stateful management
daemon which runs on the virtualization host allowing access to the
API both by non-privileged local users and remote users.

Layered packages provide bindings of the libvirt C API into other
languages including Python, Perl, PHP, Go, Java, OCaml, as well as
mappings into object systems such as GObject, CIM and SNMP.

Further information about the libvirt project can be found on the
website:

https://libvirt.org


License
=======

The libvirt C API is distributed under the terms of GNU Lesser General
Public License, version 2.1 (or later). Some parts of the code that are
not part of the C library may have the more restrictive GNU General
Public License, version 2.0 (or later). See the files ``COPYING.LESSER``
and ``COPYING`` for full license terms & conditions.


Installation
============

Instructions on building and installing libvirt can be found on the website:

https://libvirt.org/compiling.html

Contributing
============

The libvirt project welcomes contributions in many ways. For most components
the best way to contribute is to send patches to the primary development
mailing list. Further guidance on this can be found on the website:

https://libvirt.org/contribute.html


Contact
=======

The libvirt project has two primary mailing lists:

* users@lists.libvirt.org (**for user discussions**)
* devel@lists.libvirt.org (**for development only**)

Further details on contacting the project are available on the website:

https://libvirt.org/contact.html
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