2011年6月16日

[ANNOUNCE] Native Linux KVM tool v2

Hi all,

We窶决e proud to announce the second version of the Native Linux KVM tool! We窶决e
now officially aiming for merging to mainline in 3.1.

Highlights:

- Experimental GUI support using SDL and VNC


- SMP support. tools/kvm/ now has a highly scalable, largely lockless driver
interface and the individual drivers are using finegrained locks.

- TAP-based virtio networking

- Fast QCOW2 image read-write support beating Qemu in fio benchmarks. See the
following URL for test result details: https://gist.github.com/1026888

- Virtio-9p support for host filesystem access in guests

- Virtio Random Number Generator

- Host block devices as in-memory copy-on-write guest images on 64-bit hosts

1. To try out the tool, clone the git repository:

git clone git://github.com/penberg/linux-kvm.git

or alternatively, if you already have a kernel source tree:

git remote add kvm-tool git://github.com/penberg/linux-kvm.git
git remote update
git checkout -b kvm-tool/master kvm-tool

2. Compile the tool:

cd tools/kvm && make

3. Download a raw userspace image:

Minimal:

wget http://wiki.qemu.org/download/linux-0.2.img.bz2 && bunzip2 linux-0.2.img.bz2

Debian Squeeze QCOW2 image:

wget http://people.debian.org/~aurel32/qemu/i386/debian_squeeze_i386_standard.qcow2

4. Build a kernel with the following options:

CONFIG_VIRTIO_BLK=y
CONFIG_VIRTIO_NET=y
CONFIG_VIRTIO_CONSOLE=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_HW_RANDOM_VIRTIO=y
CONFIG_FB_VESA=y

Note: also make sure you have CONFIG_EXT2_FS or CONFIG_EXT4_FS if you use the
above images.

5. And finally, launch the hypervisor:

./kvm run -d linux-0.2.img

or

./kvm run -d debian_squeeze_i386_standard.qcow2

or

sudo ./kvm run -d linux-0.2.img -n virtio

This release was brought to you by the following people:

Sasha Levin
Pekka Enberg
Asias He
Prasad Joshi
Cyrill Gorcunov
Ingo Molnar
John Floren
Amos Kong
Giuseppe Calderaro
Amerigo Wang
Paul Bolle
David Ahern

Most of us developers are hanging out on #pvm channel at irc.freenode.net
if you want to drop by for questions, comments, and bug reports.

Pekka

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投稿者 xml-rpc : 2011年6月16日 00:53
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