machine__init
machine__init(&m, root_dir, HOST_KERNEL_ID);
machine__init(&args.kallsyms, "", HOST_KERNEL_ID);
machine__init(&vmlinux, "", HOST_KERNEL_ID);
machine__init(machine, "", HOST_KERNEL_ID);
machine__init(&machines->host, "", HOST_KERNEL_ID);
if (machine__init(machine, root_dir, pid) != 0) {
int machine__init(struct machine *machine, const char *root_dir, pid_t pid);