gistfile1.txt

sh-4.2$ ls -alR /sys/fs/cgroup/
/sys/fs/cgroup/:
total 0
drwxr-xr-x. 13 root root 340 May 21 15:27 .
drwxr-xr-x.  6 root root   0 May 21 15:27 ..
drwxr-xr-x.  2 root root   0 May 21 15:27 blkio
lrwxrwxrwx.  1 root root  11 May 21 15:27 cpu -> cpuacct,cpu
lrwxrwxrwx.  1 root root  11 May 21 15:27 cpuacct -> cpuacct,cpu
drwxr-xr-x.  2 root root   0 May 21 15:27 cpuacct,cpu
drwxr-xr-x.  2 root root   0 May 21 15:27 cpuset
drwxr-xr-x.  2 root root   0 May 21 15:27 devices
drwxr-xr-x.  2 root root   0 May 21 15:27 freezer
drwxr-xr-x.  2 root root   0 May 21 15:27 hugetlb
drwxr-xr-x.  2 root root   0 May 21 15:27 memory
lrwxrwxrwx.  1 root root  16 May 21 15:27 net_cls -> net_prio,net_cls
lrwxrwxrwx.  1 root root  16 May 21 15:27 net_prio -> net_prio,net_cls
drwxr-xr-x.  2 root root   0 May 21 15:27 net_prio,net_cls
drwxr-xr-x.  2 root root   0 May 21 15:27 perf_event
drwxr-xr-x.  2 root root   0 May 21 15:27 pids
drwxr-xr-x.  2 root root   0 May 21 15:27 systemd
ls: cannot open directory /sys/fs/cgroup/blkio: Permission denied
ls: cannot open directory /sys/fs/cgroup/cpuacct,cpu: Permission denied
ls: cannot open directory /sys/fs/cgroup/cpuset: Permission denied
ls: cannot open directory /sys/fs/cgroup/devices: Permission denied
ls: cannot open directory /sys/fs/cgroup/freezer: Permission denied
ls: cannot open directory /sys/fs/cgroup/hugetlb: Permission denied
ls: cannot open directory /sys/fs/cgroup/memory: Permission denied
ls: cannot open directory /sys/fs/cgroup/net_prio,net_cls: Permission denied
ls: cannot open directory /sys/fs/cgroup/perf_event: Permission denied
ls: cannot open directory /sys/fs/cgroup/pids: Permission denied
ls: cannot open directory /sys/fs/cgroup/systemd: Permission denied