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HARDWARE BASED RUN-TIME INSTRUMENTATION FACILITY FOR MANAGED RUN-TIMES

  • US 20130247008A1
  • Filed: 03/16/2012
  • Published: 09/19/2013
  • Est. Priority Date: 03/16/2012
  • Status: Active Grant
First Claim
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1. A computer program product for performing run-time instrumentation, the computer program product comprising:

  • a tangible storage medium readable by a processing circuit and storing instructions for execution by the processing circuit for performing a method comprising;

    capturing, by a processor, run-time instrumentation data based on an instruction stream of instructions of an application program executing on the processor, the capturing comprising storing the run-time instrumentation data in a collection buffer of the processor;

    detecting, by the processor, a run-time instrumentation sample point trigger; and

    copying contents of the collection buffer into a program buffer as a reporting group based on the detecting the run-time instrumentation sample point trigger, the program buffer located in main storage in an address space that is accessible by the application program.

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