A flexible and open framework for designing and implementing program monitor. The default package comes with type extractor, code profiling and code coverage.For Pharo >= 1.4:Gofer new squeaksource: 'Spy'; package: 'ConfigurationOfSpy'; load. (Smalltalk at: #ConfigurationOfSpy) project lastVersion loadFor Pharo 1.3:Gofer new squeaksource: 'Spy'; package: 'ConfigurationOfSpy'; load. ((Smalltalk at: #ConfigurationOfSpy) project version: '1.71') loadFor Pharo 1.1:Gofer new squeaksource: 'Spy'; package: 'ConfigurationOfSpy'; load. ((Smalltalk at: #ConfigurationOfSpy) project version: '1.1.1-baseline') loadAll the test should be green on a non-jitted virtual machine, except for the one related to Compteur, which require a modified virtual machine. This new VM is not available yet. It will shortly be. Currently, Cog does not offer the necessary primitive to profile the memory, some of the test related to memory consumption are red therefore. An informal description is provided onhttp://www.moosetechnology.org/tools/Spy