Deep-dive technical guide covering eBPF architecture, XDP packet processing, observability tracing, runtime security, and practical development with libbpf and CO-RE. Complete benchmark data and production deployment patterns.
Deep dive into the Linux Completely Fair Scheduler CFS internals: vruntime model, red-black tree task selection, group scheduling with cgroups, NUMA-aware load balancing, PELT tracking, and sched_ext extensibility in Linux 6.12+