devel-statprofiler
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Low-overhead statistical Perl profiler for production use
Ideally, it should work for fork/exec pairs as well.
Hi Mattia! These is a minor addition and a minor fix; hope you don't mind me sending them in a single pull request.
On CPAN?
Is this released on CPAN? I cannot find it. Hopefully I am blind.
In particular if we allow setting changes only if we close/open a file, maybe we should think about supporting sections that span files. Doesn't seem very likely to be successful...