Man pages matching name devel::nytprof::readstream in section 3pm:

Devel::NYTProf::ReadStream.3pm.en	debian 10 / libdevel-nytprof-perl
Devel::NYTProf::ReadStream.3pm.en	debian 11 / libdevel-nytprof-perl
Devel::NYTProf::ReadStream.3pm.en	debian 12 / libdevel-nytprof-perl