12:blkio:/system.slice 11:devices:/system.slice/system-getty.slice 10:rdma:/ 9:net_cls,net_prio:/ 8:cpu,cpuacct:/system.slice 7:cpuset:/ 6:hugetlb:/ 5:memory:/system.slice/system-getty.slice/[email protected] 4:pids:/system.slice/system-getty.slice/[email protected] 3:freezer:/ 2:perf_event:/ 1:name=systemd:/system.slice/system-getty.slice/[email protected]