Segmentation and the Design of Multiprogrammed Computer Systems
Journal of the ACM (JACM)
System performance evaluation: survey and appraisal
Communications of the ACM
Programming semantics for multiprogrammed computations
Communications of the ACM
ACM '65 Proceedings of the 1965 20th national conference
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Today's complex operating and computing systems make systems testing a difficult task. Major problems arise when one attempts to measure the performance of a system in a multiprogram environment and to evaluate the interfaces between computer elements, programs, and operator. Historically, testing devices were first developed to monitor system activity and to produce test data. Separate computer systems were next used to permit on-line data reduction and generation of appropriate test conditions. The purposeo of this paper is to describe a hierarchical control program design which incorporates the major capabilities of the previous solutions without requiring a separate computer. This low-cost, flexible technique has been applied in the measurement of various performance characteristics, in generating simulated error conditions, and in simulating machine devices and features.