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Towards Feedback-Based Generation of Hardware Characteristics
Ericsson AB. (IS)ORCID-id: 0000-0003-2612-4135
Ericsson AB. (IS)ORCID-id: 0000-0002-5070-9312
Ericsson AB. (IS)
Mälardalens högskola, Akademin för innovation, design och teknik. (IS)ORCID-id: 0000-0001-5297-6548
2012 (engelsk)Inngår i: 7th International Workshop on Feedback Computing, 2012Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

In large complex server-like computer systems it is difficult to characterise hardware usage in early stages of system development. Many times the applications running on the platform are not ready at the time of platform deployment leading to postponed metrics measurement. In our study we seek answers to the questions: (1) Can we use a feedback-based control system to create a characteristics model of a real production system? (2) Can such a model be sufficiently accurate to detect characteristics changes instead of executing the production application? The model we have created runs a signalling application, similar to the production application, together with a PID-regulator generating L1 and L2 cache misses to the same extent as the production system. Our measurements indicate that we have managed to mimic a similar environment regarding cache characteristics. Additionally we have applied the model on a software update for a production system and detected characteristics changes using the model. This has later been verified on the complete production system, which in this study is a large scale telecommunication system with a substantial market share.

sted, utgiver, år, opplag, sider
2012.
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Identifikatorer
URN: urn:nbn:se:mdh:diva-17354OAI: oai:DiVA.org:mdh-17354DiVA, id: diva2:579685
Konferanse
Feedback Computing 2012, The 7th International Workshop on Feedback Computing, In conjunction with ICAC 2012, San Jose, California, September 17, 2012
Tilgjengelig fra: 2012-12-20 Laget: 2012-12-20 Sist oppdatert: 2016-05-03bibliografisk kontrollert

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http://controlofsystems.org/FeedbackComputing2012/papers/PSess1-feedbackcomputing2012.pdf

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