quantitative evaluation of embedded systems

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Quantitative Evaluation of Embedded Systems. Latency as a throughput constraint. Latency through periodic scheduling. T output = 8ms. T input = 34ms. D. S. δ. 34ms. μ = 22ms. Adding a feedback loop. L. Periodic schedule is unchanged iff MCM is unchanged. β. α. T output = 8ms. - PowerPoint PPT Presentation

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Quantitative Evaluation of Embedded Systems

Latency as a throughput constraint

Latency through periodic scheduling

μ = 22ms

STinput = 34ms Toutput = 8ms

D34ms

δ

Adding a feedback loop

μ = 22ms

STinput = 34ms Toutput = 8ms

D34ms

L

δ

βα

Periodic schedule is unchangediff

MCM is unchanged

Latency as a throughput constraint

μ = 22ms

S D?

L

δ

βα

βμ ≥ Toutput + Eoutput + α – Tinput

Delayed latency ≤ Toutput + Eoutput – Tinput + δμ≤ (β+δ)μ – α

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