정보과학회 논문지 (Journal of KIISE)

  • 제43권9호
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  • Pages.998-1007
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  • 2016
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  • 2383-630X(pISSN)
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  • 2383-6296(eISSN)
한국정보과학회 (Korean Institute of Information Scientists and Engineers)
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메모리 맵 기반 메모리 영역 분할과 메모리 갱신 정보를 활용한 결함 후보 축소 기법

Fault Localization Method by Utilizing Memory Update Information and Memory Partitioning based on Memory Map

  • 투고 : 2016.03.16
  • 심사 : 2016.06.08
  • 발행 : 2016.09.15
⟨ 이전 논문 다음 논문 ⟩

초록

요즘 자동차 제작비용 중 차량용 전자장치에 사용되는 비용이 30% 이상을 차지하고 있다. 따라서 차량용 전자장치에 사용되는 비용 절약의 필요성이 증가하고 있다. 그런데, 완성차 업체들은 차량용 전장부품을 제작하는 일을 대부분 외주 업체에 맡기기 때문에 전장부품의 테스트 및 디버깅의 복잡도가 증가하고 있다. 이로 인해, 차량용 전장부품의 테스트 시에 발생하는 결함의 위치를 찾아내는데 많은 비용과 시간을 소비하고 있다. 이러한 문제를 해결하기 위해, 본 논문에서는 차량용 전장부품을 대상으로 통합 테스팅을 수행하는 검사자가 메모리상의 결함후보를 축소할 수 있는 기법을 제안한다. 본 기법에서는 메모리 맵을 이용하여 메모리를 분할하고, 분할된 메모리 영역에 메모리 갱신 정보를 적용해 각 분할 영역의 결함 의심도를 계산한다. 이렇게 계산된 결함 의심도를 기준으로 분할 영역들의 결함 의심순위를 결정할 수 있다. 제안하는 기법을 이용해 결함 후보 영역을 전체 메모리 크기의 1/6 정도로 축소했다.

In recent years, the cost of automotive ECU (Electronic Control Unit) has accounted for more than 30% of total car production cost. However, the complexity of testing and debugging an automotive ECU is increasing because automobile manufacturers outsource automotive ECU production. Therefore, a large amount of cost and time are spent to localize faults during testing an automotive ECU. In order to solve these problems, we propose a fault localization method in memory for developers who run the integration testing of automotive ECU. In this method, memory is partitioned by utilizing memory map, and fault-suspiciousness for each partition is calculated by utilizing memory update information. Then, the fault-suspicious region for partitions is decided based on calculated fault-suspiciousness. The preliminary result indicated that the proposed method reduced the fault-suspicious region to 15.01(%) of memory size.

키워드

과제정보

연구 과제 주관 기관 : 한국연구재단

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