Intel® Agilex™ Hard Processor System Technical Reference Manual
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25.4.10. Embedded Trace Macrocell
The ETM performs real-time program flow instruction tracing and provides a variety of filters and triggers that can be used to trace specific portions of code.
Each CPU core is paired with an ETM and a CTI. Trace data generated from the ETM can be transmitted off-chip using HPS pins, or to the FPGA fabric, where it can be pre-processed and transmitted off-chip using high-speed FPGA pins.