Apparatus for monitoring the performance of a microprocessor

Details Apparatus for monitoring the performance of a microprocessor Apparatus for monitoring the performance of a microprocessor

1992-05-15

1997-08-12

Voeltz, Emanuel T.

Boots, shoes, and leggings

364737, 395500, G01B 2100

Patent

active

056572530

ABSTRACT:
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.

REFERENCES:
patent: 4329640 (1982-05-01), Reiner et al.
patent: 4433413 (1984-02-01), Fasang
patent: 4635261 (1987-01-01), Anderson et al.
patent: 4651298 (1987-03-01), Currier, Jr.
patent: 5051944 (1991-09-01), Fetterolf et al.
patent: 5109503 (1992-04-01), Cruickshank et al.
patent: 5115502 (1992-05-01), Tallman

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