perl: профилирование

Вариантов много.
perl -d:NYTProf script.pl
nytprofhtml && смотрим в браузере

perl-Class-Accessor-Named.noarch : Better profiling output for Class::Accessor
perl-Devel-Profiler.noarch : Perl profiler compatible with dprofpp
perl-Template-Timer.noarch : Rudimentary profiling for Template Toolkit
perl-Test-Timestamp.noarch : Create timestamp objects for testing or profiling
perl-Devel-NYTProf.x86_64 : Powerful fast feature-rich perl source code profiler
perl-Devel-SmallProf.noarch : Per-line Perl profiler
perl-Template-Timer.noarch : Rudimentary profiling for Template Toolkit

oprofile.x86_64 : System wide profiler