Dec 11, 2024 · Fundamentals

Understanding kfunc in Linux sched_ext: Mechanism and Usage

This article explains the kfunc mechanism behind Linux's sched_ext, covering instruction modification, verification, address fixup, and detailing common kfunc functions such as scx_bpf_dispatch, scx_bpf_consume, and queue management APIs.

BTFLinux kernelScheduler

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Understanding kfunc in Linux sched_ext: Mechanism and Usage

Linux Kernel Journey

Sep 2, 2024 · Backend Development

How eBPF Powers Modern Software Network Functions

The article examines why eBPF has become a core building block for cloud‑native network functions, outlines its performance, security and flexibility advantages, discusses technical challenges such as memory constraints and missing SIMD support, and presents the eNetSTL library that mitigates these issues with concrete design details and benchmark results.

Performance OptimizationeBPFeNetSTL

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How eBPF Powers Modern Software Network Functions