METHODS AND SYSTEMS FOR DETECTING UNDERVOLTING OF PROCESSING CORES
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United States of America Patent
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Issued Date -
May 5, 2016
app pub date -
Oct 31, 2014
filing date -
Oct 31, 2014
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An example method for detecting undervolting of a core of a multi-core processing unit includes reading a value of an entry counter and a value of an exit counter. The value of the entry counter indicates that a core of the multi-core processing unit has begun executing a code section, and the value of the exit counter indicates that the core has completed executing the code section. The method also includes determining that the core was undervolted when: (i) the value of the entry counter is not the same as the value of the exit counter, and (ii) a core power resource does not satisfy a power resource threshold for the core.
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