Maintainable dynamic instrumentation technique for changing...

Details Maintainable dynamic instrumentation technique for changing... Maintainable dynamic instrumentation technique for changing...

2011-03-29

2011-03-29

Dam, Tuan Q (Department: 2192)

Data processing: software development, installation, and managem

Software program development tool

Translation of code

C717S130000, C717S131000, C714S038110

Reexamination Certificate

active

07917901

ABSTRACT:
A technique for the dynamic instrumentation of a running software system. One or more callable instrumentation functions are accessible in a first memory space associated with the software system. The one or more callable instrumentation functions are adapted to probe an operation of the software system and return data regarding the probed operation. Probed operation environment information needed by the one or more instrumentation functions is provided to a second memory space associated with the software system. First memory space addresses associated with the probed operation environment information are determined from a resource that is accessible in the second memory space. A probe handler is generated that includes calls to the one or more instrumentation functions with references to the first memory space addresses. The probe handler is callable as part of the probed operation.

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