Non-Intrusive Tracing at First Instruction

Paper #:
  • 2015-01-0176

Published:
  • 2015-04-14
DOI:
  • 10.4271/2015-01-0176
Citation:
Schmidt, K., Marx, D., Harnisch, J., Mayer, A. et al., "Non-Intrusive Tracing at First Instruction," SAE Technical Paper 2015-01-0176, 2015, doi:10.4271/2015-01-0176.
Pages:
6
Abstract:
In recent years, we see more and more ECUs integrating a huge number of application software components. This process mostly results from the increasing amount of so called in-house software in various fields like electric-drive, chassis and driver assistance systems. The software development for these systems is partially moved from the supplier to the car manufacturers. Another important trend is the introduction of new network architectures intending to meet the growing communication requirements.For such ECUs the software integration scenarios become more complicated, as more quality of service requirements with regards to timing, safety and security need to be considered [2]. Multi-core microcontrollers offer even more potential variants for integration scenarios. Understanding the interaction between the different software components, not only from a functional, but also from a timing view, is a key success factor for modern electronic systems [6,7,8,9]. This paper presents suggestions on how hardware-based tracing can be used to identify functional and timing issues in complex scenarios.
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