Using existing instrumentation for system performance tuning

  • Authors:
  • Khalil Shihab

  • Affiliations:
  • Department of Computer Science, Sultan Qaboos University, Al-Khod, Oman

  • Venue:
  • AIC'05 Proceedings of the 5th WSEAS International Conference on Applied Informatics and Communications
  • Year:
  • 2005

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Abstract

This work presents a new measurement methodology especially designed to improve the performance of interactive systems as perceived by the user (user-perceived performance). It uses heuristics and system performance tools to the diagnosis of bottlenecks and provides the necessary remedies to achieve acceptable computer performance. The technique relies on a high level functional model of the interaction between application workloads, the UNIX operating system, and system hardware. Current performance measurement and tuning techniques suffer from a multitude of problems when applied to interactive systems. Our reliance on these techniques for interactive system performance tuning has caused the systems to be tuned in a suboptimal manner with systems often failing to provide predictable performance.