$ ll /sys/fs/cgroup/cpu/
dr-xr-xr-x  6 root   root     0 10月 25 10:00 ./
drwxr-xr-x 15 root   root   380 10月 25 10:00 ../
drwxr-xr-x  2 yz     yz       0 10月 25 10:04 abc/
...