A mechanism for efficient debugging of parallel programs

  • Authors:
  • B. P. Miller;Jong-Deok Choi

  • Affiliations:
  • Univ. of Wisconsin, Madison;Univ. of Wisconsin, Madison

  • Venue:
  • PLDI '88 Proceedings of the ACM SIGPLAN 1988 conference on Programming Language design and Implementation
  • Year:
  • 1988

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Abstract

This paper addresses the design and implementation of an integrated debugging system for parallel programs running on shared memory multi-processors (SMMP). We describe the use of flowback analysis to provide information on causal relationships between events in a program's execution without re-executing the program for debugging. We introduce a mechanism called incremental tracing that, by using semantic analyses of the debugged program, makes the flowback analysis practical with only a small amount of trace generated during execution. We extend flowback analysis to apply to parallel programs and describe a method to detect race conditions in the interactions of the co-operating processes.