Edit: /proc/cgroups (0B)
#subsys_name hierarchy num_cgroups enabled
cpuset 0 387 1
cpu 0 387 1
cpuacct 0 387 1
blkio 0 387 1
memory 0 387 1
devices 0 387 1
freezer 0 387 1
net_cls 0 387 1
perf_event 0 387 1
net_prio 0 387 1
hugetlb 0 387 1
pids 0 387 1
rdma 0 387 1
misc 0 387 1