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Weighted event counting system and method for processor performance measurements

  • US 7,340,378 B1
  • Filed: 11/30/2006
  • Issued: 03/04/2008
  • Est. Priority Date: 11/30/2006
  • Status: Expired due to Fees
First Claim
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1. A method of determining a performance level of a processor, comprising:

  • receiving a plurality of event signals from functional units within said processor corresponding to differing events within said processor;

    updating a performance counter in conformity with a totality of said plurality of event signals, wherein said updating assigns differing weights to at least two of said plurality of event signals, whereby a latency between accumulation of performance metrics corresponding to said events is reduced and said events are further separately weighted according to their correlation to performance of said processor; and

    reading said performance counter at periodic intervals to obtain a performance count.

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