Deepin Linux
Deepin Linux
Apr 3, 2026 · Fundamentals

Why Linux’s New EEVDF Scheduler Beats CFS in Performance and Fairness

The article explains the design, core concepts, algorithms, and implementation details of Linux 6.6's default EEVDF scheduler, compares it with the legacy CFS, provides practical commands for inspection and switching, and discusses real‑world scenarios and common pitfalls for developers and interview candidates.

CFSEEVDFLinux scheduler
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Why Linux’s New EEVDF Scheduler Beats CFS in Performance and Fairness
Linux Code Review Hub
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.

EEVDFLinux kerneleBPF
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SCHED_EXT: The Extensible Kernel Scheduler Class for Custom Scheduling