Edit: /proc/cgroups (0B)
#subsys_name hierarchy num_cgroups enabled
cpuset 10 30 1
cpu 8 242 1
cpuacct 8 242 1
blkio 3 242 1
memory 4 408 1
devices 6 239 1
freezer 11 30 1
net_cls 9 30 1
perf_event 7 30 1
net_prio 9 30 1
hugetlb 2 30 1
pids 5 383 1
rdma 12 30 1