Memory activity driven adaptive performance measurement
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United States of America Patent
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Sep 18, 2018
Grant Date -
Mar 2, 2017
app pub date -
Nov 5, 2015
filing date -
Aug 31, 2015
priority date (Note) -
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Abstract
A method of monitoring memory performance comprises selecting a first portion of memory from two or more portions of memory in accordance with an adaptive mode indicated by configuration bits in a control register; monitoring memory accesses to the selected portion of memory during a first sampling period; selecting a different portion of memory from the two or more portions of memory in accordance with the adaptive mode for monitoring the different portion of memory in a subsequent sampling period; monitoring memory accesses to the different portion of memory during the subsequent sampling period; recording a respective number of memory accesses for each portion of memory over a plurality of sampling periods; and generating one or more interrupts to output data regarding the monitored memory accesses for data analysis.
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