Techniques for Efficient Inline Tracing on a Shared-Memory Multiprocessor (1990)
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BibTeX
@MISC{Keppel90techniquesfor,
author = {David R. Keppel and Eric J. Koldinger and Susan J. Eggers and Henry M. Levy},
title = {Techniques for Efficient Inline Tracing on a Shared-Memory Multiprocessor},
year = {1990}
}
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Abstract
While much current research concerns multiprocessor design, few traces of parallel programs are available for analyzing the effect of design tradeoffs. Existing trace collection methods have serious drawbacks: trap-driven methods often slow down program execution by more than 1000 times, significantly perturbing program behavior; microcode modification is faster, but the technique is neither general nor portable. This paper describes a new tool, called MPtrace, for collecting traces of multithreaded parallel programs executing on shared-memory multiprocessors. MPtrace requires no hardware or microcode modification; it collects complete program traces; it is portable; and it reduces execution-time dilation to less than a factor 3. MPtrace is based on inline tracing, in which a program is automatically modified to produce trace information as it executes. We show how the use of compiler flow analysis techniques can reduce the amount of data collected and therefore the runtime dilation o...
