[mdaverde]

In the same way out-of-tree kernel modules are enforced to license themselves as GPL if they intend to use a lot (if not most) of the available functionality, eBPF programs fall under the same restrictions.

bpftool[0] allows you to see which programs are currently running in your system, their bpf asm instructions and whether they are GPL-compliant through `bpftool prog show`.

Of course, we still need companies to actually release the source code of their eBPF programs somewhere for the promise to be fulfilled.

[0] https://github.com/libbpf/bpftool