libbpf_map_in_map

A simple example of map_in_map usage in libbpf

Requirements

Linux source code

$ git clone https://github.com/torvalds/linux.git

libbpf.so

The libbpf .so library is included in this repo. It was built agains 4.16 kerenl. You can build it yourself by checking out the latest Linux kernel and run

$ git clone https://github.com/torvalds/linux.git
$ cd linux
$ cd tools/lib/bpf
$ make

clang

Need clang version >= 3.7

Build

$ make LINUX=<local-path-to-linux-souce-code>

Run

$ sudo ./main