bpf_btf_get_fd_by_id 2704 kernel/bpf/syscall.c static int bpf_btf_get_fd_by_id(const union bpf_attr *attr)
bpf_btf_get_fd_by_id  621 tools/lib/bpf/bpf.c int bpf_btf_get_fd_by_id(__u32 id)