BPF_PROG_QUERY 2060 kernel/bpf/syscall.c if (CHECK_ATTR(BPF_PROG_QUERY)) BPF_PROG_QUERY 2897 kernel/bpf/syscall.c case BPF_PROG_QUERY: BPF_PROG_QUERY 512 tools/lib/bpf/bpf.c ret = sys_bpf(BPF_PROG_QUERY, &attr, sizeof(attr));