12:perf_event:/ 11:blkio:/ 10:cpuset:/ 9:pids:/system.slice/system-serial\x2dgetty.slice/serial-getty@ttyS0.service 8:devices:/system.slice/system-serial\x2dgetty.slice 7:freezer:/ 6:memory:/system.slice/system-serial\x2dgetty.slice/serial-getty@ttyS0.service 5:cpu,cpuacct:/ 4:hugetlb:/ 3:rdma:/ 2:net_cls,net_prio:/ 1:name=systemd:/system.slice/system-serial\x2dgetty.slice/serial-getty@ttyS0.service