Stefan Hajnoczi

Profiling tools I use for QEMU storage performance optimization

Video and slides available for "IOThread Virtqueue Mapping" talk at KVM Forum 2024

Where are the Supply Chain Safe Programming Languages?

How to access libvirt domains in KubeVirt

Key-Value Stores: The Foundation of File Systems and Databases

QEMU AioContext removal and how it was done

Storage literature notes on free space management and snapshots

Upcoming talk: "Trust, confidentiality, and hardening: the virtio lessons" at LPC 2023

How nostr could enable peer-to-peer apps

libblkio 1.3.0 is out

How to debug stuck VIRTIO devices in QEMU

Writing a C library in Rust

Video and slides available for "vhost-user-blk: a fast userspace block I/O interface"

Speaking at FOSDEM '23 about "vhost-user-blk: A fast userspace block I/O interface"

LWN article on "Accessing QEMU storage features without a VM"

Using qemu-img to access vhost-user-blk storage

Comparing VIRTIO, NVMe, and io_uring queue designs

Debugging Flatpak applications

vhost-user is coming to non-Linux hosts!

Speaking at FOSDEM '22 about "What's coming in VIRTIO 1.2"

How to add debuginfo to perf(1)

Peer-to-peer applications with Urbit

A new approach to usermode networking with passt

KVM Forum 2021 Highlights

Slides available for "Bring Your Own Virtual Devices: Frameworks for Software and Hardware Device Virtualization"