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Quantitative Evaluation of Embedded Systems Latency with Throughput Constraint

Explore the impact of latency on overall system performance by analyzing periodic scheduling with feedback loop. Mathematical formulas and constraints are considered, ensuring efficient system operation.

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Quantitative Evaluation of Embedded Systems Latency with Throughput Constraint

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  1. Quantitative Evaluation of Embedded Systems Latency as a throughput constraint

  2. Latency through periodic scheduling Toutput = 8ms Tinput = 34ms D S δ 34ms μ = 22ms

  3. Adding a feedback loop L Periodic schedule is unchanged iff MCM is unchanged β α Toutput = 8ms Tinput = 34ms D S δ 34ms μ = 22ms

  4. Latency as a throughput constraint βμ ≥ Toutput + Eoutput+ α – Tinput Delayed latency ≤ Toutput+ Eoutput– Tinput+ δμ≤ (β+δ)μ– α L β α D S δ ? μ = 22ms

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