This package provides debugging and profiling tools for mod_perl: Apache::DB - Hooks for the interactive Perl debugger Apache::DProf - Hooks for Devel::DProf Apache::SmallProf - Hooks for Devel::SmallProf These modules are very useful for helping to determine the cause of errors and performance problems in mod_perl applications. They should function with both mod_perl 1.x and 2.x. These modules were originally written by Doug MacEachern. They are currently being maintained by Frank Wiles . Please E-mail him with any bugs you may find.