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There are two ways for the code coverage
analysis and Software Performance Analysis (SPA):
1). Using ICE or logical analyser:
This method can not verify whether the prefetched
instructions are executed, and also can not analyse code
coverage percentage nor the performance in CACHE. So it is
very hard to be used in the embedded realtime system.
2). Using the Code-Auto-Instrumenation technology
This is widely used on PC platform, and sometimes also be
used in the embedded system. It will need more extra
resource for the test system (More code and More execute
time), so it may effect the realtime of the test system.
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