Measurement and tracing methods for timing analysis

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Abstract

Observing the timing properties of actual software provides information not derivable from pure modelling of the hardware, software and test data. Equally, modelling provides worst-case timing values that cannot be realistically determined from only testing and measurement. From this observation, we develop a combined methodology, where measured and modelled results are used in turn to build a complete, unified approach to software timing analysis. Beyond this, we develop toward a powerful and symbiotic process, where that data can be freely and reliably exchanged, and that is greater than the obvious sum of the parts.