/proc/self/root/proc/thread-self/root/proc/self/task/22/root/proc/self/root/sys/fs/cgroup
This explorer reads the filesystem of the server it runs on, so /workspace/user isn't present here. Browsing and the terminal still work against this server's own disk from /.
usage_usec 1068443user_usec 890326system_usec 178116nr_periods 0nr_throttled 0throttled_usec 0