Extending width of performance monitor counters

Details Extending width of performance monitor counters Extending width of performance monitor counters

2007-05-29

2007-05-29

West, Jeffrey R. (Department: 2857)

Data processing: measuring, calibrating, or testing

Measurement system

Performance or efficiency evaluation

C702S079000, C702S080000, C702S176000, C702S178000, C702S186000, C714S047300

Reexamination Certificate

active

10733443

ABSTRACT:
A performance monitor includes at least one Monitor Mode Control Register (MMCR) and plural Performance Control Monitors (PMCs). Each PMC is controlled by the MMCR to pair or group the PMCs so that the overflow from one PMC can be directed to its pair/group. By coupling the PMCs so that overflow from one can be directed to another, the effective size of the counters can be increased.

REFERENCES:
patent: 3564212 (1971-02-01), North
patent: 5257358 (1993-10-01), Cohen
patent: 5557548 (1996-09-01), Gover et al.
patent: 5835702 (1998-11-01), Levine et al.
patent: 6233531 (2001-05-01), Klassen et al.
patent: 2002/0026524 (2002-02-01), Dharap

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