...
[root@centos7_new ~]# lssubsys -m
cpuset /sys/fs/cgroup/cpuset
cpu,cpuacct /sys/fs/cgroup/cpu,cpuacct
memory /sys/fs/cgroup/memory
devices /sys/fs/cgroup/devices
freezer /sys/fs/cgroup/freezer
net_cls,net_prio /sys/fs/cgroup/net_cls,net_prio
blkio /sys/fs/cgroup/blkio
perf_event /sys/fs/cgroup/perf_event
hugetlb /sys/fs/cgroup/hugetlb
pids /sys/fs/cgroup/pids
[root@centos7_new ~]# tree /sys/fs/cgroup/ | less
/sys/fs/cgroup/
├── blkio
│ ├── blkio.io_merged
│ ├── blkio.io_merged_recursive
│ ├── blkio.io_queued
│ ├── blkio.io_queued_recursive
│ ├── blkio.io_service_bytes
│ ├── blkio.io_service_bytes_recursive
│ ├── blkio.io_serviced
│ ├── blkio.io_serviced_recursive
│ ├── blkio.io_service_time