Libbpf userspace function bpf_program__attach
This is a generic function for attaching a BPF program based on auto-detection of program type, attach type, and extra parameters, where applicable.
Definition
struct bpf_link * bpf_program__attach(const struct bpf_program *prog);
Parameters
prog: BPF program to attach
Return
Reference to the newly created BPF link; or NULL is returned on error, error code is stored in errno
Usage
This is supported for:
- kprobe/kretprobe (depends on SEC definition)
- uprobe/uretprobe (depends on SEC definition)
- tracepoint
- raw tracepoint
- tracing programs (typed raw TP/fentry/fexit/fmod_ret)
Example
Docs could be improved
This part of the docs is incomplete, contributions are very welcome