2024
slides
- 日辰 : https://pretalx.com/kvm-forum-2024/schedule/
- slides : https://kvm-forum.qemu.org/2024/
优先关注的:
IOThread Virtqueue Mapping: Improving virtio-blk SMP scalability in QEMU
- https://pretalx.com/kvm-forum-2024/talk/WATK7U/
- 🌟 不多说了,重中之重
QEMU livemigration device state transfer parallelization via multifd channels
- https://kvm-forum.qemu.org/2024/kvm-forum-2024-multifd-device-state-transfer_3K5EQIG.pdf
好吧,大厂果然高级,居然是
The effort concentrated on setups with Mellanox ConnectX-7 smart NIC So some information is specific to this device and its mlx5 Linux kernel driver
- 128 GiB of on-board RAM, so a lot of possible device state
- Realistic setups are on order of hundreds of MiB of device state per VF
- Unfortunately, only small part can be pre-copied
- But most of the talk is generic to any VFIO device
- GPUs likely have similar amounts of (Video)RAM, if not more
- With some optimizations even more generic
TODO
- Practical and efficient out-of-process storage backends
- https://pretalx.com/kvm-forum-2024/talk/GWQYTW/
- 对于 vdap ,vhost-vdap 之类的讨论,还是先搞清楚基本的 vdap 再说吧
- Virtio and the chamber of secrets
- https://pretalx.com/kvm-forum-2024/talk/7LELGG/ : 可信计算下的 virtio 如何工作
- Live Updates @ Akamai
- https://pretalx.com/kvm-forum-2024/talk/BFULKK/ : 什么东西?
- SNP Live Migration with guest-memfd and mirror VM
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