Performance counters controlled by programmable logic

Details Performance counters controlled by programmable logic Performance counters controlled by programmable logic

1997-08-11

2000-08-29

Le, Dieu-Minh T.

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

714 39, 714704, H02H 305, H03K 19003, H04B 174

Patent

active

061123188

ABSTRACT:
An apparatus and method for counting event signals generated by a computer system is described. The event signals are indicative of the performance of the computer system. Programmable logic enhances the functionality of performance counters by enabling the system user to specify, during the execution of an application program, which event signals to count. The system user can dynamically configure the programmable logic to select a subset of the event signals generated by the computer system, and to combine the selected subset of event signals to generate a new event signal that can be counted. Other new event signals can be generated by the programmable logic from the selected subset of event signals. A user of the computer system can dynamically make the selection of any one of the new event signals for counting.

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patent: 5796637 (1998-08-01), Glew et al.
patent: 5799178 (1998-08-01), Walker et al.

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