ABSTRACT
AFTER (Assist in Fine-Tuning of Embedded Real-time systems) is an interactive analysis and predictor tool for embedded systems. It helps designers quickly identify timing problems and systematically fine-tune an application during and after the implementation phase of a product's life cycle. The tool begins with raw timing data collected from an embedded system. It analyzes the data to provide a temporal image of the current implementation, highlighting actual and potential problems. The user then interacts with AFTER to obtain predictions on what overall effect can be expected if small adjustments are made to configuration parameters or to the timing properties of software components. The tool integrates and extends prior research in scheduling, task monitoring, and operating system design for real-time systems.
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