-`procname`::
- Thread name, as set by man:exec(3) or man:prctl(2). It is
- recommended that programs set their thread name with man:prctl(2)
- before hitting the first tracepoint for that thread.
+`mnt_ns`:::
+ Inode number of the current mount point namespace (see
+ man:mount_namespaces(7)) in the proc file system.
+
+`net_ns`:::
+ Inode number of the current network namespace (see
+ man:network_namespaces(7)) in the proc file system.
+
+`pid_ns`:::
+ Inode number of the current process ID namespace (see
+ man:pid_namespaces(7)) in the proc file system.
+
+`time_ns`:::
+ Inode number of the current clock namespace (see
+ man:time_namespaces(7)) in the proc file system.
+
+`user_ns`:::
+ Inode number of the current user namespace (see
+ man:user_namespaces(7)) in the proc file system.
+
+`uts_ns`:::
+ Inode number of the current UTS namespace (see
+ man:uts_namespaces(7)) in the proc file system.
+
+Credential context fields (see man:credentials(7))::
++
+`vuid`:::
+ Virtual real user ID: real user ID as seen from the point of view of
+ the current user namespace (see man:user_namespaces(7)).
+
+`vgid`:::
+ Virtual real group ID: real group ID as seen from the point of view
+ of the current user namespace (see man:user_namespaces(7)).
+
+`veuid`:::
+ Virtual effective user ID: effective user ID as seen from the point
+ of view of the current user namespace (see man:user_namespaces(7)).
+
+`vegid`:::
+ Virtual effective group ID: effective group ID as seen from the
+ point of view of the current user namespace (see
+ man:user_namespaces(7)).