Linux Code Review Hub

Jun 3, 2024 · Fundamentals

SCHED_EXT: The Extensible Kernel Scheduler Class for Custom Scheduling

The article provides a detailed technical overview of Linux's new extensible scheduler class SCHED_EXT, explaining its architecture, eBPF‑based customization interfaces, core data structures, queue management, scheduling points, and a central‑scheduler example, while comparing it with traditional CFS and per‑CPU run‑queues.