Edit: /proc/cgroups (0B)
#subsys_name hierarchy num_cgroups enabled
cpuset 0 334 1
cpu 0 334 1
cpuacct 0 334 1
blkio 0 334 1
memory 0 334 1
devices 0 334 1
freezer 0 334 1
net_cls 0 334 1
perf_event 0 334 1
net_prio 0 334 1
hugetlb 0 334 1
pids 0 334 1
rdma 0 334 1
misc 0 334 1