Determining the quality of a design, particularly the timing performance of systems
with stringent deadlines is a fundamental task in hardware/software codesign of
real-time embedded systems.
We have derived new metrics and efficient methods for estimating timing behaviors
of real-time embedded systems under various scenarios. Our metrics can not only
gauge the capability of a system meeting its timing requirement but also predict the
behavior of the system under workload perturbation. We have also been studying
the performance estimation problem for different QoS models.
Network control system QoS and Scheduling
Processor Utilization Bounds for Real-Time Systems with Precedence Constraints
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