The C<perl plugin> includes a Perl-interpreter in collectd and provides
Perl-equivalents of the plugin-functions. This makes it possible to write
-plugins for collectd in Perl. This is a lot more performant than executing a
+plugins for collectd in Perl. This is a lot more efficient than executing a
Perl-script every time you want to read a value with the C<exec plugin> (see
L<collectd-exec(5)>) and provides a lot more functionality, too.