Edit: /proc/cgroups (0B)
#subsys_name hierarchy num_cgroups enabled
cpuset 9 10 1
cpu 3 125 1
cpuacct 3 125 1
blkio 4 125 1
memory 8 150 1
devices 10 125 1
freezer 12 11 1
net_cls 11 10 1
perf_event 5 10 1
net_prio 11 10 1
hugetlb 6 10 1
pids 7 133 1
rdma 2 10 1