Profiling Perl
http://artport.whitney.org/commissions/codedoc/Paley/CodeProfiles_800x600.htm
Mike Astle
YAPC::Europe 2008
Copenhagen

Profiling?
● Recording / analyzing timing information about
program execution
● General case code profilers record data by line,
sub, source file, etc. - inclusive vs. exclusive
timings
● Domain-specific profilers record data about
specific event types (e.g. SQL queries)

Some Ways Are More Equal Than Others

Devel::NYTProf – The New Hotness
● Improved accuracy – Devel::DProf suffers from
a serious timing issue that makes its usefulness
questionable
● Block level profiling – a Perl first
● By far the most convenient and useful output
for