13.1 About ETM
Describes the Embedded Trace Macrocell used in the Cortex-A72 processor.
The ETM is a module that performs real-time instruction flow
tracing based on the ARM® Embedded
Trace Macrocell Architecture Specification, ETMv4. The
ETM is a CoreSight component, and is an integral part of the ARM
Real-time Debug solution, RealView. See the CoreSight SoC-400 documentation
for more information.