Use BPF ringbuf to send collected data to user-space

[keisku]

BPF ring buffer is better approach to send data to user-space from the eBPF program.

BPF maps:

• https://docs.kernel.org/bpf/maps.html

BPF ring buffer:

• https://nakryiko.com/posts/bpf-ringbuf/
• https://www.kernel.org/doc/html/next/bpf/ringbuf.html#bpf-ring-buffer