eBPF: The Kernel Superpower for Observability, Security, and Networking
Deep dive into eBPF: architecture, verifier, maps, XDP, real-world deployments, performance benchmarks, and ecosystem projects
Linux
XDP (eXpress Data Path): A Deep Engineering Analysis of In-Kernel High-Performance Packet Processing
A deep dive into Linux eBPF XDP technology, covering XDP architecture, program lifecycle, Maps mechanism, packet modification, redirection, XDP_DROP/XDP_PASS/XDP_TX/XDP_REDIRECT actions, and production use cases including DDoS protection, Layer-4 load balancing, and AF_XDP.
Linux io_uring: A Deep Engineering Analysis of the Next-Generation Asynchronous I/O Framework
An in-depth engineering analysis of Linux io_uring: dual-ring buffer architecture, system call interface, liburing programming, SQPOLL/IOPOLL modes, fixed buffers/files, performance benchmarks, and production deployment practices.
Linux Kernel Scheduler: A Deep Engineering Analysis of CPU Scheduling from CFS to EEVDF
Deep engineering analysis of Linux CPU scheduling: from CFS virtual runtime to EEVDF deadline-based scheduling, NUMA awareness, EAS, and performance benchmarks.
Linux网络I/O模型与epoll事件驱动机制深度解析
从Linux网络I/O模型演进脉络出发，深入剖析epoll的设计哲学、内核实现原理、LT/ET触发模式，并结合实际高并发场景给出工程实践建议，涵盖io_uring等前沿替代方案。
Linux 内核中断处理与软中断机制深度解析：从硬件中断到 RCU 回调的全路径剖析
从中断门描述符表到 RCU 回调，全面解析 Linux 内核中断处理与软中断机制的核心原理与实战
Linux内核cgroups v2深度实战：资源隔离与控制组的完整工程实现
深度剖析 Linux 内核 cgroups v2 的完整架构：统一层级设计、资源分发模型、内存控制器实现、IO控制机制、与systemd的集成实践、Kubernetes中的应用及性能调优最佳实践。
eBPF如何彻底改写Linux内核：可编程内核时代的架构革命
全面解析 eBPF 如何改变 Linux 内核的开发模式：从内核虚拟机架构到 JIT 编译机制，从 BPF 类型格式到验证器设计，从系统调用追踪到网络包处理，以及 eBPF 在云原生时代的完整生态体系。
Linux ftrace快速上手：从工具原理到内核调试实战
快速掌握 Linux ftrace 内核追踪工具：理解 ftrace 架构、掌握常用 tracer 使用方法、学会分析函数调用链路、追踪系统性能瓶颈以及动态探针的使用技巧。
