Reverse debugging of software failures
A hardware, destination technology, applied in the field of reverse debugging of software faults
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[0032] The disclosed embodiments include computer systems, methods, and hardware storage devices configured to perform time travel debugging using sparse hardware trace data (e.g., control flow data) in conjunction with a limited set of logged state values in a manner that intelligently Debugging is performed in a manner that determines when to avoid making inferences that may lead to forbidden analysis, thereby mitigating memory aliasing and / or multi-thread concurrency issues.
[0033] In some embodiments, a recorded set of state values corresponding to previous executions of the application is obtained, such as from a memory dump file, or as a manually triggered procedure corresponding to a breakpoint or another specified location within the code being debugged result of stopping. Control flow information describing the sequence of a set of processor instructions executed during a previous execution of the application is also obtained from hardware trace data included in...
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