> perl -d:DProf app.pl
 ... output of script here...
> dprofpp tmon.out 
main::ProcessMinorFrames has 1 unstacked calls in outer
Exporter::export_to_level has -1 unstacked calls in outer
main::ProcessFile has 1 unstacked calls in outer
Exporter::export has -1 unstacked calls in outer
AutoLoader::AUTOLOAD has -1 unstacked calls in outer
Exporter::Heavy::heavy_export_to_level has 1 unstacked calls in outer
DynaLoader::dl_findfile has 1 unstacked calls in outer
main::CalculateCRCInfo has 1 unstacked calls in outer
Exporter::Heavy::heavy_export has 1 unstacked calls in outer
main::ProcessDir has 1 unstacked calls in outer
Garbled profile is missing some exit time stamps:
main::ProcessDir
main::ProcessFile
main::ProcessMinorFrames
main::CalculateCRCInfo
Try rerunning dprofpp with -F.