QEMU

Videos: KVM Forum 2011 Presentations

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The KVM Forum 2011 was held at the Hyatt Regency in Vancouver, Canada on August 15-16. It was co-located with LinuxCon North America 2011.

LinuxCon and the KVM Forum were both sponsored by The Linux Foundation who recorded a large number of videos from both events. Unfortunately, The Linux Foundation had few security breaches to deal with on their kernel.org and linux.com domains which (I'm guessing) has greatly delayed them doing post-production work on the recordings and posting them publicly.

I found that Red Hat had recently posted a handful of the KVM Forum videos to YouTube but since they were only available in the flv and mp4 formats, I decided to re-encode them and post them to archive.org as webm (a free, open source, non-patent encumbered video format). I think archive.org is really a better place for them. Red Hat released them under a Creative Commons, Attribution - No Derivative Works 3.0 License. I have not altered the videos in any way other than re-encoding them to webm in a smaller resolution (624x352) and bitrate (664Kbit) making them one half to one third of the original filesize yet maintaining reasonable quality. Modern Firefox, Google Chrome, and Opera browsers can play webm as can stand-alone players like VLC, Totem, and mplayer.

They are all highly technical presentations for those interested in the nitty-gritty details of the Linux KVM virtualization Hypervisor. I have embedded the first, short keynote video below and given download URLs for the rest. Thanks to Red Hat for posting them!

One thing to note is that the camera / recording is statically positioned and does not show the presenter slides so I have also included the links to the slide decks in PDF format. For a better understanding, you are strongly encouraged to look at the slides while watching the videos. Also be warned that some presenters may occasionally use curse words.

Here's a zip file containing all slide decks in PDF format for all of the presentations.

Alexander Graf - AHCI Doing Storage right 105 MB / PDF
Allen Kay, Intel - Intel Graphics Virtualization on KVM 57.3 MB / PDF
Alon Levy, Red Hat - SPICE Roadmap 88.9 MB / PDF
Andrew Theurer, IBM - Improving the Out-of-box Performance When Using KVM 210.9 MB / PDF
Anthony Liguori, IBM Linux Technology Center - Keynote Address Day 2 43.1 MB / PDF
Anthony Liguori, IBM Technology Center - Code Generation for Fun and Profit 128.7 MB / PDF
Asias He, Beihang University - Native Linux KVM tool 113.1 MB / PDF
Avi Kivity, Red Hat - Keynote Address, Day 1 36.9 MB / PDF
Avi Kivity, Red Hat - Performance Monitoring for KVM Guests 148.4 MB / PDF
Bryan Cantrill, VP Engineering, Joyent - Experiences Porting KVM to SmartOS 199.1 MB / PDF
Conrad Wood, ProfitBricks - Geographically distributed HPC Clouds using KVM 119.8 MB / PDF
Dan Kenigsberg, Red Hat - VDSM is now Free 145.2 MB / PDF
Daniel Berrange, Red Hat - Introduction to libvirt APIs for KVM 160.5 MB / PDF
Gerd Hoffmann, Red Hat - Fixing the USB disaster 148.4 MB / PDF
Jagane Sundar - Livebackup - Full and Incremental Disk Backups of Running VMs 136.2 MB / PDF
Jan Kiszka, Siemens AG - Using KVM as a Real-Time Hypervisor 132.6 MB / PDF
Kevin Wolf, Red Hat - The Reinvention of qcow2 148.1 MB / PDF
Lucas Meneghel Rodrigues, Red Hat - Making KVM autotest useful for KVM developers 152.1 MB / PDF
Marcelo Tosatti, Red Hat - QEMU: live block copy 72.4 MB / PDF
Mark Wagner, Red Hat - KVM Performance Improvements and Optimizations 107.3 MB / PDF
Markus Armbruster, Red Hat - QEMU's device model qdev 59.1 MB / PDF
Michael S. Tsirkin, Red Hat - Virtio Networking Status Update 86.2 MB / ODP
Paul Lu, University of Alberta - Low-Latency, High-Bandwidth Use Cases for Nahanni/ivshmem 149.5 MB / PDF
Paul Mackerras, IBM LTC Ozlabs - KVM on the IBM POWER7 Processor 164.5 MB / PDF
Ricardo M. Matinata, IBM Linux Technology Center - Implementing a Hardware Appliance 188.4 MB / PDF
Rik van Riel, Red Hat - Guest Memory Overcommit: Free page hinting & more 106.0 MB / PDF
Ryan Harper, IBM Linux Technology Center - Keep a Limit On It: IO Throttling in QEMU 89.7 MB / PDF
Stefan Hajnoczi, IBM & Paolo Bonzini, Red Hat - Virtio SCSI: An alternative virtualized storage stack for KVM 142.2 MB / PDF
Stuart Yoder, Freescale Semiconductor - KVM on Embedded Power Architecture Platforms 125.6 MB / PDF
Yoshi Tamura, Midokura - Network Virtualization 101.3 MB / PDF

Enjoy!

Taking QEMU for a Spin

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QEMU in actionQEMU in actionHave you tried QEMU? I must admit that I hadn't really tried it until recently... although I have used VMware and Parallels. Supposedly Xen and the new KVM both draw from QEMU code. What is QEMU? Obligatory quote from the QEMU wikipedia entry:

QEMU is free software written by Fabrice Bellard that implements a fast processor emulator, allowing a user to simulate a complete computer system within another one. It is similar to projects such as Bochs, VMware Workstation and PearPC, but has several features these lack, including increased speed on x86, and support for multiple architectures in-progress. By using dynamic translation it achieves a reasonable speed while being easy to port on new host CPUs.

I'm not sure why that says that QEMU is faster than VMware, because it isn't... but QEMU can emulate several different CPU families other than just x86. Read on if you want to hear about my experience installing Windows XP SP2 from an .iso file.


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