And thanks to them, we have the world&#x27;s greatest Perl debugger&#x2F;profiler: <a href="https:&#x2F;&#x2F;metacpan.org&#x2F;pod&#x2F;Devel::NYTProf" rel="nofollow">https:&#x2F;&#x2F;metacpan.org&#x2F;pod&#x2F;Devel::NYTProf</a>