Computer Science ›› 2014, Vol. 41 ›› Issue (9): 32-37.doi: 10.11896/j.issn.1002-137X.2014.09.005

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Whole System Realtime Power Profiling and Modeling

YANG Liang-huai and ZHU Hong-yan   

  • Online:2018-11-14 Published:2018-11-14

Abstract: Power profiling and modeling are fundament to power aware DBMS.This paper proposed a component-level power modeling method by exploiting the utilizations of the main components (CPU and disk) as the indicators of the system power.To cope with the multi-core architecture,we investigated into the individual cores instead of the monolithic CPU that may cover up some essential details.And we fitted the relationship between the utilizations and power by using the multiple linear regression method.Experimental results show that the average relative error of the power model is less than 12%,and it is lightweight without incurring too much additional cost on other applications.

Key words: Power modeling,Power profiling,Soft-power-meter,Multiple regression

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