Systematic Synthesis of Energy-Aware Timing Models in Automotive Software Systems

Abstract

In automotive embedded software, functions have several performance requirements such as timing, energy, safety and reliability. For such complex software architectures, an early evaluation and decision on the best set of performance configuration (e.g. timing vs energy trade-offs) could save costly corrections of potential errors in the design. For example, appropriate performance analysis workflows and frameworks if employed already during early design stages, allow us to understand the performance aspects and behavior of the system depending on software and hardware characteristics. The main input required for such analysis is the performance-analysis model based on the underlying design model. In this context, this chapter presents a workflow for synthesis of energy-aware timing analysis models for AUTOSAR-based embedded software systems developed using the Unified Modeling Language (UML)/Systems Modeling Language (SysML) domains. A prototype of the model transformations for the synthesis of the energy-aware timing models and its evaluation in an automotive use case is presented.