KVM - User contributions [en]

KVM-Autotest

2011-06-05T08:24:37Z

Smartjet:

= KVM-Autotest =

The KVM-Autotest system is a client test for the [http://autotest.kernel.org/ autotest] framework. Its main purpose is to serve as an automated regression testing tool for KVM developers, and for doing regular automated testing of KVM (provided you use it with the server testing infrastructure).

Autotest is a project that aims to provide tools and libraries to perform automated testing on the linux platform. KVM autotest is a subproject under the autotest umbrella. For more information on autotest, see http://autotest.kernel.org/. Autotest is a modular framework, and KVM autotest is nothing more than a submodule of the client module. Of course, for more complex testing we also use other parts of autotest, and for centralized tests, we deploy a full autotest infrastructure.

KVM autotest aims to be a centralizing project for most of the KVM functional and performance testing needs. We cover:

* Guest OS install, for both Windows (WinXP - Win7) and Linux (RHEL, Fedora, OpenSUSE and others through step engine mechanism)
* Serial output for Linux guests
* Migration, networking, timedrift and other types of tests
* Monitor control for both human and QMP protocols
* Build and use qemu using various methods (source tarball, git repo, rpm)
* Some level of performance testing can be made.
* The KVM unit tests can be run comfortably from inside kvm autotest, we do have full integration with the unittest execution

We support x86_64 hosts with hardware virtualization support (AMD and Intel), and Intel 32 and 64 bit guest operating systems.

For an overview about KVM autotest, how this project was created, its goals, structure, and how to develop simple tests, you can refer to the [http://vimeo.com/15234614 KVM forum 2010 presentation], [[Media:2010-forum-Kvm-autotest.pdf | Slides]]

* [[KVM-Autotest/Getting Started|Getting Started with KVM testing]] - How to get your first tests up and running.
* [[KVM-Autotest/Cmdline|Using the autotest command line]] - How to use the autotest cli to run your kvm tests in an easier way
* [[KVM-Autotest/Test Config File|The test configuration file format]] - How to work with the framework configuration file format.

* [[KVM-Autotest/Tests|KVM subtest reference]] - Brief overview of the available test API.
* [[KVM-Autotest/Contributing|Contribute to KVM autotest]] - Guidance on how to submit patches.

* [[KVM-Autotest/Parameters|Framework parameters]] - Lists and explains the parameters used by the framework.

* [[KVM-Autotest/AddNewGuests|Adding New Step files]] - The default install mode for most guests now is the unattended install, but for some guests, we might need to use step based install. This explains how to do so.

----

* [[KVM-Autotest/TODO|TODO]] - TODO list, for those interested in helping.
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HOWTO

2011-06-04T07:27:05Z

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= Howto's =

== General ==
* [http://publib.boulder.ibm.com/infocenter/lnxinfo/v3r0m0/index.jsp?topic=/liaai/kvminstall/liaaikvminstallstart.htm IBM Linux Blueprint: Quick Start Guide for installing and running KVM]
* [[HOWTO1 | Getting KVM to run on your machine]]
* [[choose the right kvm & kernel version]]
* [[How To Migrate From Vmware To KVM]]
* [http://www.basicsedv.de/bthesis.html Migrating User Mode Linux to Xen and KVM]

== Network related ==

* [[Networking| Setting guest network]]
* [[NetConsole| set up a network console]]

== Hardware related ==

* [[How to assign devices with VT-d in KVM]]
* [[Enable VT-X on Mac Pro (Early 2008)]]

=== USB ===
* [[usb related]]

=== Ethernet ===
* [[ethernet_related]]

=== PCI ===
* [[hotadd pci devices]]

=== Sound ===
* Using [[Sound]] in the guest

=== virtio ===

* [[boot from virtio block device]]
* [[Using VirtIO NIC|use virtio_net interface]] in the guest (Debian)

=== vhost ===
* [[UsingVhost|Using vhost]]

=== cdrom ===
* [[Change cdrom| Changing disks in the cdrom drive]]

== Operating System related ==

=== Gentoo ===
* [[KvmOnGentoo|KVM on Gentoo hosts]]

=== Ubuntu ===
* [http://www.howtoforge.com/using-kvm-on-ubuntu-gutsy-gibbon using-kvm-on-ubuntu-gutsy-gibbon]
* [[AnthonyLiguori/Networking| Setting up NAT with KVM in Ubuntu]]
* [https://help.ubuntu.com/community/KVM Running Guest Systems on Ubuntu 7.04 Feisty Fawn]
* [http://www.howtoforge.com/virtualization-with-kvm-on-ubuntu-9.04 Virtualization With KVM On Ubuntu 9.04 Jaunty]

=== Fedora ===
* [http://fedoraproject.org/wiki/Virtualization_Quick_Start Fedora Virt Quick Start]

=== ArchLinux ===
* [http://wiki.archlinux.org/index.php/Kvm Setting up KVM on ArchLinux]
* [http://wiki.archlinux.org/index.php/Qemu Detailed QEMU Tutorial ]

=== BSD ===
* [http://www.linux-kvm.org/page/BSD KVM on BSD, FreeBSD]

=== Windows ===
* [[WindowsGuestDrivers|Information about guest drivers]]
* [[Windows7Install|Install Windows 7]]
* [http://wp.libpf.com/?p=186 Windows 7 as guest on Debian squeeze] - with libvirt's virt-install recipe and virtio disk driver step-by-step instructions

=== Windows Vista ===
* [[Vista Networking Workaround]]

== Scripting & Software ==
* [[HowToConfigScript|Configuration Script for KVM]] - a complete management utility, configuration file format, and init script.
* [http://www.roessner-net.com/?p=219 Another script for KVM] - Init scripts for kvm, using it with time scheduled start order (German)
* [[simple shell script to manage your virtual machine with bridged networking]]
* [http://www.papercut.com/blog/chris/2008/11/14/using-kvm-to-securely-host-servers-in-a-dmz/ Hosting your VMs in a DMZ] - a management and configuration script to assist with setting up a VM in a semi-secured demilitarized zone.
* [http://pve.proxmox.com/wiki/Bare-metal_ISO_Installer Bare-metal] installer with KVM
* [[kvmtools|Python scripts to manage qemu-kvm guest from cmdline]] - yet another qemu-kvm script

=== libvirt ===

* [[Running libvirt with KVM]]

== Other ==

* [[HOWTO VMGL]] - OpenGL support for Linux guests
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Documents

2011-06-04T07:25:19Z

Smartjet:

= Documents =

== User/Admin documentation ==
* [[HOWTO]]
* [http://wiki.qemu.org/Qemu-doc.html QEMU user manual]
* [[Tuning_KVM]]
== Presentations ==
* Presentations on many aspects of KVM were made at [[KVM Forum 2007]] (Aug 2007).
* Presentations from the [[KVM Forum 2008]] (June 2008)
* Avi Kivity's presentation from the [http://ols.108.redhat.com/2007/Reprints/kivity-Reprint.pdf Ottawa Linux Symposium 2007] (Jun 2007).
* TPR patching [attachment:kvm-tpr-patching.odp overview] (Avi Kivity, Oct 2008)
* [http://markmc.fedorapeople.org/virtio-code-review/VirtioCodeReview.pdf Virtio code walkthrough], [http://markmc.fedorapeople.org/virtio-code-review/virtio-talk.txt notes], [http://blogs.gnome.org/markmc/2008/05/28/checksums-scatter-gather-io-and-segmentation-offload/ GSO background] (Mark McLoughlin, Oct 2008), and [http://portal.acm.org/citation.cfm?id=1400097.1400108 ACM pdf about virtio by Rusty Russell]
== White papers: ==
* Qumranet's [http://www.qumranet.com/files/white_papers/KVM_Whitepaper.pdf KVM Whitepaper]
== Books ==
* [http://qemu-buch.de/english/order.php Book "QEMU & KVM", ISBN 978-3-8370-0876-0]
* [http://www.seshop.com/product/detail/12214/ Book "KVM tettei nyuumon", ISBN 4798121401]
== Magazine Articles ==
* [http://www.linux-magazine.com/Issues/2008/86/DEEP-VIRTUE Linux Magazine]
* [http://www.linuxplanet.com/linuxplanet/reports/6490/4/ KVM for Embedded] at Linux Planet
* [http://www.linuxplanet.com/linuxplanet/reports/6503/1/ Linux as a hypervisor] at Linux Planet
== Benchmarks ==
* [http://www.phoronix.com/scan.php?page=article&item=ubuntu_virt_benchmarks&num=1 Phoronix - Ubuntu 8.04 KVM Benchmarks]
* [http://www.phoronix.com/scan.php?page=article&item=intel_corei7_virt&num=1 Phoronix - Intel Core i7 Virtualization Performance]
== Documentation ==
* [[small_look_inside|small look inside(kvm-54)]]
* [[buildup|qemu kvm buildup]]
* [[vl_runthrough|qemu-system-x86_64 startup (kvm-57)]]
* [[initialization|initialization (kvm-57)]]
* [[file_layout_in_kernel|file layout in kernel (~kvm-58)]]
* [http://qemu-buch.de/ Wikibook "QEMU & KVM"]
* [[Memory|How KVM deals with memory]] - a look inside how KVM interacts with the Linux VM.
* [[perf_events|Counting and tracing KVM events]]
== KVM Doxygen Documentation ==
* [http://doxygen.org/ kvm doxygen documentation tool]
* [http://www.vittleende.se/ Tandblekning]
== Tools ==
* [[tools|Tools]]
== Supported cpus ==
* [[processor_support|cpus]]
== Others ==
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Code

2011-05-27T18:39:54Z

Smartjet:

=Code=

[[Category:Architechture]]

== kernel git tree ==

The kvm kernel code is available through a git tree (like the kernel itself). To create a repository using git, type

git clone git://git.kernel.org/pub/scm/virt/kvm/kvm.git

Alternatively, it is also accessible through the kernel.org gitweb interface:
[http://git.kernel.org/?p=virt/kvm/kvm.git;a=summary]

For subsequent upgrades use the command

git pull

in the git working directory.

== userspace git tree ==

The kvm userspace code (libkvm and qemu) is available through a git tree. To create a repository using git, type

git clone git://git.kernel.org/pub/scm/virt/kvm/qemu-kvm.git

Alternatively, it is also accessible through the kernel.org gitweb interface:
[http://git.kernel.org/?p=virt/kvm/qemu-kvm.git;a=summary]

== building an external module with older kernels ==

'''This only works for the x86 architecture.'''

1. If you wish to use a distribution kernel (or just some random kernel you like) with kvm,
you can use the external module kit. You will need the kvm-kmod repository:

git clone git://git.kernel.org/pub/scm/virt/kvm/kvm-kmod.git
cd kvm-kmod
git submodule update --init
./configure [--kerneldir=/path/to/kernel/dir]
make sync
make

=== Tip about building against Red Hat Enterprise Linux kernels ===

<code>kvm-userspace/kernel</code> has some compat code to allow it to compile against older kernels, and also some code specific to features that are normally not present on older kernels but are present on RHEL kernels.

So, when building against a RHEL kernel tree, check if the <code>RHEL_*</code> macros at <code>${kerneldir}/include/linux/version.h</code> are defined correctly, corresponding to the RHEL version where the kernel source comes from. If those macros aren't defined correctly, the compat code that allows compilation against RHEL kernels will break and you will get build errors.

== release tags ==

kvm stable releases (based off of Qemu's stable branch) are tagged with <code>kvm-qemu-0.NN.N</code> where ''N'' equates to the upstream Qemu branch versions. Note that kvm has them tagged not branched.

kvm development releases are tagged with <code>kvm-nn</code> where ''nn'' is the release number.

== Binary Packages ==

=== CentOS / RHEL ===

Unofficial packages of latest releases can be found at:
<code>http://www.lfarkas.org/linux/packages/centos/5/</code>

=== Debian ===

For Debian Lenny, please use packages from backports.debian.org - for <em>both</em> qemu-kvm and kernel (at least 2.6.32). It is important to use more recent kernel - 2.6.26 does not work well with kvm.

Note that package "kvm" has been renamed to "qemu-kvm" in Squeeze and in Lenny backports (and kvm is now transitional package that installs qemu-kvm automatically).

Debian Squeeze will have qemu-kvm based on 0.12, available in standard repositories.

Experimental 0.13 packages are available at
<code>http://www.corpit.ru/debian/tls/kvm/0.13/</code> , pending upload to debian -experimental.

== nightly snapshots ==

Nightly snapshots, for those who are uncomfortable with git, are [http://people.qumranet.com/avi/snapshots available]. When reporting a problem with a snapshot, please quote the snapshot name (which includes the date) and the contents of the SOURCES file in the snapshot tarball.you can get [http://www.essaywritingservices.co.uk/ essay writing help]about Nightly Snapshots

Documents

2011-05-27T18:36:54Z

Smartjet:

= Documents =

== User/Admin documentation ==
* [[HOWTO]]
* [http://wiki.qemu.org/Qemu-doc.html QEMU user manual]
* [[Tuning_KVM]]
== Presentations ==
* Presentations on many aspects of KVM were made at [[KVM Forum 2007]] (Aug 2007).
* Presentations from the [[KVM Forum 2008]] (June 2008)
* Avi Kivity's presentation from the [http://ols.108.redhat.com/2007/Reprints/kivity-Reprint.pdf Ottawa Linux Symposium 2007] (Jun 2007).
* TPR patching [attachment:kvm-tpr-patching.odp overview] (Avi Kivity, Oct 2008)
* [http://markmc.fedorapeople.org/virtio-code-review/VirtioCodeReview.pdf Virtio code walkthrough], [http://markmc.fedorapeople.org/virtio-code-review/virtio-talk.txt notes], [http://blogs.gnome.org/markmc/2008/05/28/checksums-scatter-gather-io-and-segmentation-offload/ GSO background] (Mark McLoughlin, Oct 2008), and [http://portal.acm.org/citation.cfm?id=1400097.1400108 ACM pdf about virtio by Rusty Russell]
== White papers: ==
* Qumranet's [http://www.qumranet.com/files/white_papers/KVM_Whitepaper.pdf KVM Whitepaper]
== Books ==
* [http://qemu-buch.de/english/order.php Book "QEMU & KVM", ISBN 978-3-8370-0876-0]
* [http://www.seshop.com/product/detail/12214/ Book "KVM tettei nyuumon", ISBN 4798121401]
== Magazine Articles ==
* [http://www.linux-magazine.com/Issues/2008/86/DEEP-VIRTUE Linux Magazine]
* [http://www.linuxplanet.com/linuxplanet/reports/6490/4/ KVM for Embedded] at Linux Planet
* [http://www.linuxplanet.com/linuxplanet/reports/6503/1/ Linux as a hypervisor] at Linux Planet
== Benchmarks ==
* [http://www.phoronix.com/scan.php?page=article&item=ubuntu_virt_benchmarks&num=1 Phoronix - Ubuntu 8.04 KVM Benchmarks]
* [http://www.phoronix.com/scan.php?page=article&item=intel_corei7_virt&num=1 Phoronix - Intel Core i7 Virtualization Performance]
== Documentation ==
* [[small_look_inside|small look inside(kvm-54)]]
* [[buildup|qemu kvm buildup]]
* [[vl_runthrough|qemu-system-x86_64 startup (kvm-57)]]
* [[initialization|initialization (kvm-57)]]
* [[file_layout_in_kernel|file layout in kernel (~kvm-58)]]
* [http://qemu-buch.de/ Wikibook "QEMU & KVM"]
* [[Memory|How KVM deals with memory]] - a look inside how KVM interacts with the Linux VM.
* [[perf_events|Counting and tracing KVM events]]
== KVM Doxygen Documentation ==
* [http://doxygen.org/ kvm doxygen documentation tool]
== Tools ==
* [[tools|Tools]]
== Supported cpus ==
* [[processor_support|cpus]]
== Others ==
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KVM-Autotest

2011-05-26T05:21:58Z

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Main Page

2011-05-26T04:38:51Z

Smartjet:

== Kernel Based Virtual Machine ==

KVM (for Kernel-based Virtual Machine) is a full virtualization solution for Linux on x86 hardware containing virtualization extensions (Intel VT or AMD-V). It consists of a loadable kernel module, kvm.ko, that provides the core virtualization infrastructure and a processor specific module, kvm-intel.ko or kvm-amd.ko. KVM also requires a modified QEMU although work is underway to get the required changes upstream.

Using KVM, one can run multiple virtual machines running unmodified Linux or Windows images. Each virtual machine has private virtualized hardware: a network card, disk, graphics adapter, etc.

The kernel component of KVM is included in mainline Linux, as of 2.6.20.

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== Common Pages ==
{| style="border:none"
|style="width:50%;border:none;"|
* [[KVM Forum]]
** [[KVM Forum 2011]]
** [[KVM Forum 2010]]
* [[LinuxPlumbers2010|Linux Plumbers Conference 2010]]
* [[TODO]]
* [[KVM-Autotest]]
* [[KVM Features]]
|style="width:50%;border:none;"|
* [[Management Tools]]
* [[Documents]]
|}

== Common External Pages ==

{|style="border:none"
|style="width:50%;border:none;"|
* [http://www.qemu.org/ QEMU]
* [http://wiki.xensource.com/xenwiki/HVM_Compatible_Processors Xen's HVM Compatible Processors List]
|style="width:50%;border:none;"|
* [http://qemu-buch.de Book "qemu-kvm & libvirt"]
* [http://qemu-buch.de/cgi-bin/moin.cgi/ QEMU Wiki]
|}

KVM-Autotest

2011-05-19T18:00:44Z

Smartjet:

KVM-Autotest

2011-05-19T18:00:35Z

Smartjet:

HOWTO

2011-05-19T17:25:09Z

Smartjet:

Documents

2011-05-19T17:19:13Z

Smartjet:

= Documents =

== User/Admin documentation ==
* [[HOWTO]]
* [http://wiki.qemu.org/Qemu-doc.html QEMU user manual]
* [[Tuning_KVM]]
== Presentations ==
* Presentations on many aspects of KVM were made at [[KVM Forum 2007]] (Aug 2007).
* Presentations from the [[KVM Forum 2008]] (June 2008)
* Avi Kivity's presentation from the [http://ols.108.redhat.com/2007/Reprints/kivity-Reprint.pdf Ottawa Linux Symposium 2007] (Jun 2007).
* TPR patching [attachment:kvm-tpr-patching.odp overview] (Avi Kivity, Oct 2008)
* [http://markmc.fedorapeople.org/virtio-code-review/VirtioCodeReview.pdf Virtio code walkthrough], [http://markmc.fedorapeople.org/virtio-code-review/virtio-talk.txt notes], [http://blogs.gnome.org/markmc/2008/05/28/checksums-scatter-gather-io-and-segmentation-offload/ GSO background] (Mark McLoughlin, Oct 2008), and [http://portal.acm.org/citation.cfm?id=1400097.1400108 ACM pdf about virtio by Rusty Russell]
== White papers: ==
* Qumranet's [http://www.qumranet.com/files/white_papers/KVM_Whitepaper.pdf KVM Whitepaper]
== Books ==
* [http://qemu-buch.de/english/order.php Book "QEMU & KVM", ISBN 978-3-8370-0876-0]
* [http://www.seshop.com/product/detail/12214/ Book "KVM tettei nyuumon", ISBN 4798121401]
== Magazine Articles ==
* [http://www.linux-magazine.com/Issues/2008/86/DEEP-VIRTUE Linux Magazine]
* [http://www.linuxplanet.com/linuxplanet/reports/6490/4/ KVM for Embedded] at Linux Planet
* [http://www.linuxplanet.com/linuxplanet/reports/6503/1/ Linux as a hypervisor] at Linux Planet
== Benchmarks ==
* [http://www.phoronix.com/scan.php?page=article&item=ubuntu_virt_benchmarks&num=1 Phoronix - Ubuntu 8.04 KVM Benchmarks]
* [http://www.phoronix.com/scan.php?page=article&item=intel_corei7_virt&num=1 Phoronix - Intel Core i7 Virtualization Performance]
== Documentation ==
* [[small_look_inside|small look inside(kvm-54)]]
* [[buildup|qemu kvm buildup]]
* [[vl_runthrough|qemu-system-x86_64 startup (kvm-57)]]
* [[initialization|initialization (kvm-57)]]
* [[file_layout_in_kernel|file layout in kernel (~kvm-58)]]
* [http://qemu-buch.de/ Wikibook "QEMU & KVM"]
* [[Memory|How KVM deals with memory]] - a look inside how KVM interacts with the Linux VM.
* [[perf_events|Counting and tracing KVM events]]
== KVM Doxygen Documentation ==
* [http://doxygen.org/ kvm doxygen documentation tool]
== Tools ==
* [[tools|Tools]]
== Supported cpus ==
* [[processor_support|cpus]]

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