| G. J. Nutt. Tutorial: Computer System Monitors. IEEE Computer, 8(11):51--61, November 1975. |
....characteristics of processes. Our strategy uses Liu and Layland s results for periodic processes along with a reservation enforcement mechanism to implement predictable service for periodic processes. Performance measurement and accounting techniques have a long history in computer systems [15]. Most systems use sampling techniques or complete traces. Our approach is to use a short term trace where we measure the duration of processor time each program gets, but we summarize this information in an accumulator for each program rather than keep the detailed trace information around. We ....
G. J. Nutt. Tutorial: Computer System Monitors. IEEE Computer, 8(11):51--61, November 1975.
....3 Version 4 15 29 46 60 Figure 11: Improvement of Servant Utilization 4.1. Model driven Monitoring In order to define events systematically one needs knowledge about the aim of measurement and about the functional behavior of the system to be analyzed. We agree with Nutt s statement [Nut75] The most important questions to be answered before attempting to monitor a machine are what to measure and why the measurement should be taken. Already in 1981, Kobayashi postulated [Kob81] The system tuning requires a clear understanding of the complex interactions among the individual ....
G.J. Nutt. Tutorial: Computer System Monitors. IEEE Computer, 8(11):51--61, November 1975.
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