+Output
+~~~~~~
+See the <<output-directory,Output directory>> section above for more
+information.
+
+option:-p, option:--group-output-by-host::
+ Group the written trace directories by hostname (default).
+
+option:-s, option:--group-output-by-session::
+ Group the written trace directories by tracing session name instead
+ of by hostname.
+
+option:-o 'PATH', option:--output='PATH'::
+ Set the base output directory of the written trace directories to
+ 'PATH'.
+
+