Performance profiling of microprocessor systems using debug hardware and performance monitor
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United States of America Patent
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Issued Date -
Mar 2, 2006
app pub date -
Aug 26, 2004
filing date -
Aug 26, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method and system for monitoring the real-time of software running on a microprocessor system. Debug hardware is used to select a range of instructions or events to be monitored by a performance monitor interval with the microprocessor system. A comparison is made between each event and start and stop events are identified in the debug hardware. The performance monitor is enabled by the debug hardware, when events occur within the range defined by the debug hardware. Use of the debug hardware for enabling performance monitoring avoids any overhead associated with generating interrupts, or additional code in the application program.
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