Apparatus for monitoring the performance of a microprocessor

An apparatus for measuring and monitoring various parameters that contribute to the performance of a processor includes a pair of programmable event counters for counting any two independent events selected from a predetermined list of processor events. A specialized register controls the operation...

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Bibliographic Details
Main Authors DREYER; ROBERT S, ALPERT; DONALD B
Format Patent
LanguageEnglish
Published 12.08.1997
Edition6
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:An apparatus for measuring and monitoring various parameters that contribute to the performance of a processor includes a pair of programmable event counters for counting any two independent events selected from a predetermined list of processor events. A specialized register controls the operation of the event counters and also selects the events to be counted. The contents of the event counters can be accessed either by a supervisor mode program which reads an instruction or through a special access port.
Bibliography:Application Number: US19920883845