. .. attr
auxv cgroup children clear_refs cmdline comm cpu_resctrl_groups cpuset cwd environ exe fd fdinfo gid_map io limits loginuid maps mem mountinfo mounts net ns numa_maps oom_adj oom_score oom_score_adj pagemap patch_state personality projid_map root sched schedstat sessionid setgroups smaps smaps_rollup stack stat statm status syscall uid_map wchan