- char _cleanup_free_ *root = NULL;
- const char *t = NULL;
-
- r = cg_get_by_pid(SYSTEMD_CGROUP_CONTROLLER, 1, &root);
- if (r < 0)
- t = "/";
- else {
- if (endswith(root, "/system"))
- root[strlen(root)-7] = 0;
-
- t = root[0] ? root : "/";
+ if (arg_machine) {
+ char *m;
+ m = strappenda("/run/systemd/machines/", arg_machine);
+ r = parse_env_file(m, NEWLINE, "CGROUP", &root, NULL);
+ } else
+ r = cg_get_root_path(&root);
+ if (r < 0) {
+ log_error("Failed to get %s path: %s",
+ arg_machine ? "machine" : "root", strerror(-r));
+ goto finish;