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