$ perl5 -d:DProf test.pl
-Then run dprofpp to analyze the profile.
+Then run dprofpp to analyze the profile. The output of dprofpp depends
+on the flags to the program and the version of Perl you're using.
$ dprofpp -u
Total Elapsed Time = 1.67 Seconds
Consult L<Devel::DProf/"PROFILE FORMAT"> for a description of the raw profile.
+=head1 OUTPUT
+
+Columns are:
+
+=over 4
+
+=item %Time
+
+Percentage of time spent in this routine.
+
+=item #Calls
+
+Number of calls to this routine.
+
+=item sec/call
+
+Average number of seconds per call to this routine.
+
+=item Name
+
+Name of routine.
+
+=item CumulS
+
+Time (in seconds) spent in this routine and routines called from it.
+
+=item ExclSec
+
+Time (in seconds) spent in this routine (not including those called
+from it).
+
+=item Csec/c
+
+Average time (in seconds) spent in each call of this routine
+(including those called from it).
+
+=back
+
=head1 OPTIONS
=over 5