after at most I<Interval> seconds. It is perfectly legal for the executable to
run for a long time and continuously write values to C<STDOUT>.
+If you want/need better performance or more functionality you should take a
+long look at the C<perl plugin>, L<collectd-perl(5)>.
+
=head1 DATA FORMAT
The forked executable is expected to print values to C<STDOUT>. The expected
I<Interval> seconds. If I<Interval> is short (the default is 10 seconds) this
may result in serious system load.
+=item
+
+The user, the binary is executed as, may not have root privileges, i.E<nbsp>e.
+must have an UID that is non-zero.
+
=back
=head1 SEE ALSO
-L<collectd(1)>, L<collectd.conf(5)>, L<fork(2)>, L<exec(3)>
+L<collectd(1)>,
+L<collectd.conf(5)>,
+L<collectd-perl(5)>,
+L<fork(2)>, L<exec(3)>
=head1 AUTHOR