Performance monitoring and benchmarking suite

BPF-based packet filtering framework

High-performance system-wide BPF-based workload tracer with Perfetto-backed trace visualization.

OASIS Virtual I/O Device TC: Source code for the VIRTIO (Virtual I/O) Specification maintained by the OASIS Virtual I/O Device (VIRTIO) Technical Committee

A libbpf based tracer to help figure out what an application is doing.

Demonstrate and benchmark various features of Linux resource control in a self-contained package.

BORE (Burst-Oriented Response Enhancer) CPU Scheduler

Bypassd is a novel I/O architecture that provides low latency access to shared SSDs.

sched_ext schedulers and tools

sandboxing and containment tool used in ChromeOS and Android

libeatmydata - because fsync() should be a no-op

Programmable debugger

Adding support for the Rust language to the Linux kernel.

Bastille is an open-source system for automating deployment and management of containerized applications on FreeBSD.

The Caml Light implementation of the Caml language

Learn WebAssembly by writing small programs!

Unix-like OS in Rust inspired by xv6-riscv

A port of MUSL's libm to Rust.

An experimental VMM for KVM written in pure Python

The R9 operating system

🍄 an alleged 'operating system'

TamaGo - example application

Making parsing a breeze

USB armory - The open source compact secure computer