Conference paper Open Access

BB-RTE: A BUDGET-BASED RUNTIME ENGINE FOR MIXED & TIME CRITICAL SYSTEMS

Girbal, Sylvain; Le Rhun, Jimmy


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{
  "publisher": "Zenodo", 
  "DOI": "10.5281/zenodo.1314050", 
  "title": "BB-RTE: A BUDGET-BASED RUNTIME ENGINE FOR MIXED & TIME CRITICAL SYSTEMS", 
  "issued": {
    "date-parts": [
      [
        2018, 
        2, 
        1
      ]
    ]
  }, 
  "abstract": "<p>The safety critical industry is considering a shift from single-core COTS to multi-core COTS processors for safety and time critical computers in order to maximize performance while reducing costs. In a domain where time predictability is a major concern due<br>\nto the regulation standards, multi-core processors are introducing new sources of time variations due to the electronic competition<br>\nwhen the software is accessing shared hardware resources, and characterized by timing interference. The solutions proposed in the literature to deal with timing interference are all proposing a trade-off between performance efficiency, time predictability and&nbsp; intrusiveness in the software. Especially, none of them is able to fully exploit the multicore efficiency while allowing untouched,&nbsp; already-certified legacy software to run. In this paper, we introduce and evaluate BB-RTE, a Budget- Based RunTime Engine for Mixed &amp; Safety Critical Systems, that especially focuses on mixed critical systems. BB-RTE aims at guaranteeing the deadline of high-critical tasks 1) by computing for each shared hardware resource a budget in terms of extra accesses that the critical tasks can support before their runtime is significantly impacted; 2) by temporarily suspending low-critical tasks at runtime once this budget has been consumed.</p>", 
  "author": [
    {
      "family": "Girbal, Sylvain"
    }, 
    {
      "family": "Le Rhun, Jimmy"
    }
  ], 
  "type": "paper-conference", 
  "id": "1314050"
}
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