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