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Flexible Mixed-Crit...
Flexible Mixed-Criticality Scheduling with Dynamic Slack Management
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- Dong, Xinyang (författare)
- Northeastern Univ, Sch Comp Sci & Engn, 195 Chuangxin Rd, Shenyang, Liaoning, Peoples R China.
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- Chen, Gang (författare)
- Sun Yat Sen Univ, Sch Comp Sci & Engn, 132 Waihuan East Rd, Guangzhou, Guangdong, Peoples R China.
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- Lv, Mingsong (författare)
- Northeastern Univ, Sch Comp Sci & Engn, 195 Chuangxin Rd, Shenyang, Liaoning, Peoples R China.
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- Pang, Weiguang (författare)
- Northeastern Univ, Sch Comp Sci & Engn, 195 Chuangxin Rd, Shenyang, Liaoning, Peoples R China.
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- Wang, Yi (författare)
- Uppsala universitet,Datorteknik,School of Computer Science and Engineering, Northeastern University, No. 195 Chuangxin Road, Hunnan District, Shenyang, Liaoning, P. R. China
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Northeastern Univ, Sch Comp Sci & Engn, 195 Chuangxin Rd, Shenyang, Liaoning, Peoples R China Sun Yat Sen Univ, Sch Comp Sci & Engn, 132 Waihuan East Rd, Guangzhou, Guangdong, Peoples R China. (creator_code:org_t)
- World Scientific, 2021
- 2021
- Engelska.
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Ingår i: Journal of Circuits, Systems and Computers. - : World Scientific. - 0218-1266. ; 30:10
- Relaterad länk:
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https://doi.org/10.1...
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https://uu.diva-port... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Mixed-criticality (MC) system has attracted a lot of research attention in the past few years for its resource efficiency. Recent work attempted to provide a new MC model, the so-called Flexible Mixed-Criticality (FMC) task model, to relax the pessimistic assumptions in classic MC scheduling. However, in FMC, the behavior of MC tasks is still analyzed in offline stage. The run-time behavior such as dynamic slack has not yet been studied in FMC scheduling framework. In this paper, we present a utilization-based slack scheduling framework for FMC tasks. In particular, we monitor task execution on run time and collect dynamic slacks generated by task early completion. And these slacks can then be used either by high-criticality tasks to reduce mode-switches, or by low-criticality tasks so that less suspensions are triggered with more execution time, and thus quality of service is improved. We evaluate our approach with extensive simulations, and experiment results demonstrate the effectiveness of the proposed approaches.
Ämnesord
- NATURVETENSKAP -- Data- och informationsvetenskap -- Datavetenskap (hsv//swe)
- NATURAL SCIENCES -- Computer and Information Sciences -- Computer Sciences (hsv//eng)
Nyckelord
- Dynamic slack management
- flexible mixed-criticality system
- utilization-based analysis
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