METHOD AND SYSTEM OF INSERTING MARKING VALUES USED TO CORRELATE TRACE DATA AS BETWEEN PROCESSOR CORES

摘要

A method and system of inserting marker values used to correlate trace data as between processor cores. At least some of the illustrative embodiments are integrated circuit devices comprising a first processor core, a first data collection portion coupled to the first processor core and configured to gather data comprising addresses of instructions executed by the first processor core, a second processor core communicatively coupled to the first processor core, and a second data collection portion coupled to the first processor core and configured to gather data comprising addresses of instructions executed by the second processor core. The integrated circuit device is configured to insert marker values into the data of the first and second processor cores which allow correlation of the data such that contemporaneously executed instruction are identifiable.

主权项

1. An integrated circuit device comprising:
a first processor core; a first target state register coupled to the first processor core having a trace data portion for instructions executed by the first processor core and a marker data portion; a second processor core coupled to the first processor core; a second target state register coupled to the second processor core having a trace data portion for instructions executed by the second processor core and marker data portion; and a time stamp register containing marker data coupled to the marker data portion of the first target state register and to the marker data portion of the second target state register.