BPF_PROG_NAME_LEN
char prog_name[BPF_PROG_NAME_LEN];
memset(bpf_metadata_event->prog_name, 0, BPF_PROG_NAME_LEN);
metadata->prog_names[prog_index] = zalloc(BPF_PROG_NAME_LEN);
BPF_PROG_NAME_LEN, info,
metadata->prog_names[index], BPF_PROG_NAME_LEN);