A Power Monitoring System Based on a Multi-Component Power Model

A Power Monitoring System Based on a Multi-Component Power Model

Weiwei Lin, Haoyu Wang, Wentai Wu
Copyright: © 2018 |Pages: 15
DOI: 10.4018/IJGHPC.2018010102
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Abstract

As the increasing IT energy consumption emerged as a prominent issue, computer system energy consumption monitoring and optimization has gradually become a significant research forefront. However, most existing energy monitoring methods are limited to hardware-based measurement or coarse-grained energy consumption estimation. They cannot provide fine-grained energy consumption data (i.e., component energy consumption) and high-scalability for distributed cloud environments. In this article, the authors first study widely-used power models of CPUs, memory and hard disks. Then, following an investigation into disk power behaviors in sequential I/O and random I/O, they propose an improved I/O-mode aware disk power model with multiple variables and thresholds. They developed EnergyMeter, a monitoring software utility that can provide accurate power estimate by exploiting a multi-component power model. Experiments based on PCMark prove that the average error of EnergyMeter is merely 5% under a variety of workloads
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At present, most energy consumption monitoring software are still not popular. This section first analyzes the current mainstream energy consumption measurement methods. And then we introduce two energy consumption estimation software: Joulemeter and PowerTOP.

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