/My/Project/One/File.pm:12:         sub0: calling sub1
/My/Project/Another/File.pm:96:         sub1: entering
/My/Project/Another/File.pm:105:        sub1: calling sub2
/My/Project/Elsewhere.pm:72:                sub2: entering
/My/Project/Elsewhere.pm:84:                sub2: leaving
/My/Project/Another/File.pm:108:        sub1: continuing after sub2
/My/Project/Another/File.pm:115:        sub1: leaving
/My/Project/One/File.pm:16:         sub0: continuing after sub1