#subsys_name hierarchy num_cgroups enabled cpuset 10 6 1 cpu 3 9 1 cpuacct 3 9 1 memory 2 9 1 devices 7 99 1 freezer 5 6 1 net_cls 4 6 1 blkio 11 9 1 perf_event 6 6 1 hugetlb 8 6 1 pids 9 6 1 net_prio 4 6 1