avaliação de desempenho em sistemas embarcados distribuídos bruno nogueira [email protected]
TRANSCRIPT
![Page 1: Avaliação de desempenho em Sistemas Embarcados Distribuídos Bruno Nogueira bcsn@cin.ufpe.br](https://reader035.vdocuments.pub/reader035/viewer/2022062307/552fc145497959413d8e0a69/html5/thumbnails/1.jpg)
MoDCS - Modelling of Distributed and Concurrent Systems <www.modcs.org> MoDCS - Modelling of Distributed and Concurrent Systems <www.modcs.org>
Avaliação de desempenho em Sistemas Embarcados Distribuídos
Bruno [email protected]
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MoDCS - Modelling of Distributed and Concurrent Systems <www.modcs.org>
System-level performance evaluation
Y-chart scheme
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MoDCS - Modelling of Distributed and Concurrent Systems <www.modcs.org>
System-level Performance Evaluation
![Page 4: Avaliação de desempenho em Sistemas Embarcados Distribuídos Bruno Nogueira bcsn@cin.ufpe.br](https://reader035.vdocuments.pub/reader035/viewer/2022062307/552fc145497959413d8e0a69/html5/thumbnails/4.jpg)
MoDCS - Modelling of Distributed and Concurrent Systems <www.modcs.org>
Métricas
• Sistemas críticos– End-to-end delay– Tamanho (mínimo) dos buffers
• Sistemas não-críticos– Throughput– Utilização dos buffers e processadores– End-to-end delay
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MoDCS - Modelling of Distributed and Concurrent Systems <www.modcs.org>
Estado da arte
• Sistemas críticos (métodos analíticos)– Real-Time Calculus– Model checking (ex: Timed Automata)– Holistic Scheduling– Simulação?
• Sistemas não críticos– Simulação– Métodos markovianos
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MoDCS - Modelling of Distributed and Concurrent Systems <www.modcs.org>
Real-time Calculus
• Baseado em:– Network Calculus– Max-Plus/Min-Plus Algebra
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MoDCS - Modelling of Distributed and Concurrent Systems <www.modcs.org>
Real-time Calculus: Curvas de trabalho
![Page 8: Avaliação de desempenho em Sistemas Embarcados Distribuídos Bruno Nogueira bcsn@cin.ufpe.br](https://reader035.vdocuments.pub/reader035/viewer/2022062307/552fc145497959413d8e0a69/html5/thumbnails/8.jpg)
MoDCS - Modelling of Distributed and Concurrent Systems <www.modcs.org>
Real-time Calculus: curvas de trabalho
![Page 9: Avaliação de desempenho em Sistemas Embarcados Distribuídos Bruno Nogueira bcsn@cin.ufpe.br](https://reader035.vdocuments.pub/reader035/viewer/2022062307/552fc145497959413d8e0a69/html5/thumbnails/9.jpg)
MoDCS - Modelling of Distributed and Concurrent Systems <www.modcs.org>
Real-time Calculus: Curvas de serviço
![Page 10: Avaliação de desempenho em Sistemas Embarcados Distribuídos Bruno Nogueira bcsn@cin.ufpe.br](https://reader035.vdocuments.pub/reader035/viewer/2022062307/552fc145497959413d8e0a69/html5/thumbnails/10.jpg)
MoDCS - Modelling of Distributed and Concurrent Systems <www.modcs.org>
Real-time Calculus: Delay e Backlog
![Page 11: Avaliação de desempenho em Sistemas Embarcados Distribuídos Bruno Nogueira bcsn@cin.ufpe.br](https://reader035.vdocuments.pub/reader035/viewer/2022062307/552fc145497959413d8e0a69/html5/thumbnails/11.jpg)
MoDCS - Modelling of Distributed and Concurrent Systems <www.modcs.org>
Real-time Calculus
![Page 12: Avaliação de desempenho em Sistemas Embarcados Distribuídos Bruno Nogueira bcsn@cin.ufpe.br](https://reader035.vdocuments.pub/reader035/viewer/2022062307/552fc145497959413d8e0a69/html5/thumbnails/12.jpg)
MoDCS - Modelling of Distributed and Concurrent Systems <www.modcs.org>
Real-time Calculus
![Page 13: Avaliação de desempenho em Sistemas Embarcados Distribuídos Bruno Nogueira bcsn@cin.ufpe.br](https://reader035.vdocuments.pub/reader035/viewer/2022062307/552fc145497959413d8e0a69/html5/thumbnails/13.jpg)
MoDCS - Modelling of Distributed and Concurrent Systems <www.modcs.org>
Real-time calculus
![Page 14: Avaliação de desempenho em Sistemas Embarcados Distribuídos Bruno Nogueira bcsn@cin.ufpe.br](https://reader035.vdocuments.pub/reader035/viewer/2022062307/552fc145497959413d8e0a69/html5/thumbnails/14.jpg)
MoDCS - Modelling of Distributed and Concurrent Systems <www.modcs.org>
Stochastic Authomata Network
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MoDCS - Modelling of Distributed and Concurrent Systems <www.modcs.org>
Stochastic Authomata Network
![Page 16: Avaliação de desempenho em Sistemas Embarcados Distribuídos Bruno Nogueira bcsn@cin.ufpe.br](https://reader035.vdocuments.pub/reader035/viewer/2022062307/552fc145497959413d8e0a69/html5/thumbnails/16.jpg)
MoDCS - Modelling of Distributed and Concurrent Systems <www.modcs.org>
Stochastic Authomata Network
![Page 17: Avaliação de desempenho em Sistemas Embarcados Distribuídos Bruno Nogueira bcsn@cin.ufpe.br](https://reader035.vdocuments.pub/reader035/viewer/2022062307/552fc145497959413d8e0a69/html5/thumbnails/17.jpg)
MoDCS - Modelling of Distributed and Concurrent Systems <www.modcs.org>
Estudo de caso