Kernel Recipes 2025 - Linux for Real Time Workloads: bare metal and KVM

Introduction What is Real-Time & why does it matter What is a deadline Why a Real-Time Operating System, and examples What about Linux? Does it work? Improving Real-Time behavior on Linux Real-time scheduling policies PREEMPT_RT CPU Isolation NOHZ_FULL Latency numbers (bare-metal) Tests & results What about Real-Time Virtual Machines? Motivation & Drawbacks Latency numbers (VMs) Leonardo BRASS