Abstract: Techniques to instrument computer applications to receive run-time telemetry, and to perform analysis on collected telemetry are described. Telemetry instrumentation is injected into an application via an application migration tool. The migration tool generates source code corresponding to a target computing architecture. During the generation of source code, the migration tool injects code capable of sensing specified events and/or event categories and reporting telemetry to a data store. The data store may be queried and/or accessed to perform analysis to detect suboptimal instrumentation and/or application errors. Use cases may include the detection of performance, health, security and usability issues.

Abstract: User interfaces of a software platform that generates transformed code from source code enable interaction with the codes. In various embodiments, the software platform may store the source code and the transformed code in a data store. The transformed code is a transformation of the source code by at least one business semantic preserving code transform. The at least one business semantic preserving transform causes an execution of the transformed code in a new execution scenario to produce an identical semantic effect as an execution of the source code in an old execution scenario. Subsequently, the software platform may cause a display of a user interface of the application on a display device. The user interface may provide one or more user command items for manipulating at least one of the source code or the transformed code stored in the data store.

Abstract: A transformation application may transform source code into transformed code using extensibility libraries. The transformation application may receive an extensibility library and the source code. The extensibility library may include one or more transformation directives that specify a business semantic preserving transform. Accordingly, the transformation application may transform a source application into a transformed application using the business semantic preserving transform. The business semantic preserving transform may change one or more original architectural classes of the source application potentially spanning multiple tiers or devices into one or more transformed architectural classes of the transformed application, in which the one or more transformed architectural classes are different from the one or more original architectural classes.