[$] An introduction to the BPF Compiler Collection

In the previous article of this series, I discussed how to use eBPF to safely run code supplied byuser space inside of the kernel. Yet one of eBPF's biggest challengesfor newcomers is that writing programs requires compiling and linking tothe eBPF library from the kernel source. Kernel developers might alwayshave a copy of the kernel source within reach, but that's not so forengineers working on production or customer machines.