Method and apparatus for non-intrusive tracing

Details Method and apparatus for non-intrusive tracing Method and apparatus for non-intrusive tracing

2007-07-24

2007-07-24

Beausoliel, Jr., Robert (Department: 2113)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C714S028000, C714S029000, C714S045000, C717S124000, C712S227000

Reexamination Certificate

active

10940252

ABSTRACT:
A method and apparatus non-intrusive tracing. The method includes: counting selected events by multiple counters; sampling the multiple counters to retrieve multiple counter values in response to predefined triggering events; receiving additional trace information that comprises at least one program counter value, and outputting, as a trace information, at least one of the multiple counters values and the additional trace information.

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“The Nexus 5001 Forum™ For a Global Embedded Processor Debug Interface,” Version 2.0, Dec. 23, 2003, IEEE—Industry Standards and Technology Organization (IEEE/ISTO), pp. i-viii, and 1-157.

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