查看自己的 cgroup permission

cat /proc/self/cgroup

12:rdma:/
11:pids:/user.slice/user-0.slice/session-2.scope
10:cpuset:/
9:memory:/user.slice/user-0.slice/session-2.scope
8:hugetlb:/
7:blkio:/user.slice/user-0.slice/session-2.scope
6:perf_event:/
5:cpu,cpuacct:/user.slice/user-0.slice/session-2.scope
4:net_cls,net_prio:/
3:freezer:/
2:devices:/user.slice/user-0.slice/session-2.scope
1:name=systemd:/user.slice/user-0.slice/session-2.scope