Automatic software fault diagnosis by exploiting application...

Details Automatic software fault diagnosis by exploiting application... Automatic software fault diagnosis by exploiting application...

2011-01-25

2011-01-25

Bonzo, Bryce P (Department: 2113)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C714S045000, C717S133000

Reexamination Certificate

active

07877642

ABSTRACT:
A method monitors non-faulty application traces of a computer application with the runtime environment during fault-free activities to create non-faulty runtime signatures for the computer application. Once obtained, the method stores the non-faulty runtime signatures. The method then detects a faulty application trace of the computer application and compares the faulty application trace with the non-faulty runtime signatures by comparing a call graph of the faulty application trace with call graphs of non-faulty application traces of the application signatures to identify differences between the two (e.g., fault attributes). Then the invention outputs the fault attributes to allow the user to identify a fault cause.

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