There appears to be something missing from that code. $func and $name have no means of being populated, and even if they were, nothing gets done with $stub after it's been created. If you change the first line to my ($func, $name) = @_;, then I believe you can change thing_to_profile(@args) to profile(\&thing_to_profile, "thing_to_profile")->(@args) and the code will work as expected.
Jeff japhy Pinyan, P.L., P.M., P.O.D, X.S.: Perl, regex, and perl hacker
How can we ever be the sold short or the cheated, we who for every service have long ago been overpaid? ~~ Meister Eckhart

In reply to Re: Profiling code by japhy
in thread Profiling code by TStanley

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