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Historical control flow visualization in production diagnostics

  • US 9,632,915 B2
  • Filed: 10/29/2014
  • Issued: 04/25/2017
  • Est. Priority Date: 10/29/2014
  • Status: Active Grant
First Claim
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1. A system comprising:

  • at least one processor;

    a memory connected to the at least one processor; and

    a diagnostic tool comprising;

    at least one program module loaded into the memory, the at least one program module;

    creating an instrumentation file that specifies instructions to be dynamically inserted into a function of an application to analyze and collect control flow data associated with invocation of the function without stopping execution of the application; and

    providing a visualization of the control flow data associated with invocation of the function, the function comprising a plurality of basic blocks, the visualization including how many times each basic block of the plurality of basic blocks was executed in the invocation of the function.

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