/proc/self/root/proc/self/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 8811579user_usec 7468885system_usec 1342694nr_periods 0nr_throttled 0throttled_usec 0