Run-time instrumentation indirect sampling by instruction operation code
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United States of America Patent
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Sep 13, 2016
Grant Date -
Sep 19, 2013
app pub date -
Mar 5, 2013
filing date -
Mar 16, 2012
priority date (Note) -
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Abstract
Embodiments of the invention relate to implementing run-time instrumentation indirect sampling by instruction operation code. An aspect of the invention includes a method for implementing run-time instrumentation indirect sampling by instruction operation code. The method includes reading sample-point instruction operation codes from a sample-point instruction array, and comparing, by a processor, the sample-point instruction operation codes to an operation code of an instruction from an instruction stream executing on the processor. The method also includes recognizing a sample point upon execution of the instruction with the operation code matching one of the sample-point instruction operation codes. The run-time instrumentation information is obtained from the sample point. The method further includes storing the run-time instrumentation information in a run-time instrumentation program buffer as a reporting group.
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