Path-Based Error Coverage Prediction

Authors:
Joakim Aidemark;Peter Folkesson;Johan Karlsson
Affiliations:
Department of Computer Engineering, Chalmers University of Technology, S-412 96 Göteborg, Sweden. aidemark@ce.chalmers.se;Department of Computer Engineering, Chalmers University of Technology, S-412 96 Göteborg, Sweden. peterf@ce.chalmers.se;Department of Computer Engineering, Chalmers University of Technology, S-412 96 Göteborg, Sweden. johan@ce.chalmers.se
Venue:
Journal of Electronic Testing: Theory and Applications
Year:
2002

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Abstract

We present an analytical technique that uses fault injection data for estimating the coverage of concurrent error detection mechanisms in microprocessors. A major problem in such estimations is that the coverage depends on the program executed by the microprocessor as well as the input sequence to the program. We propose a method that predicts the error coverage for a specified input sequence based on fault injection data obtained for another input sequence. Our results show that post-injection analysis is a promising approach for reducing the cost of coverage estimation.