Monitoring energy consumption of smartphones

Monitoring Energy Consumption of Smartphones

Fangwei Ding, Feng Xia, Wei Zhang, Xuhai Zhao, Chengchuan MaSchool of Software

Dalian University of Technology, Dalian

Oct 2011

The 1st International Workshop on Sensing, Networking, and Computing with Smartphones

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Outline

Background Related Work System Design Prototype Implementation Conclusions

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Background

Smartphones support a large set of applications

Many applications consume significant battery energy

Advances in battery technology have not kept pace with rapidly growing energy demands

Power consumption has been critical for smartphones

Developers lack tools to analyze energy consumption of smartphones

Smart energy monitoring system (SEMO)

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Related Work

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Monitoring the energy consumption of smartphones is very important for saving energy

Crk et al. [1] present a framework for energy monitoring, along with a physical activity monitoring application

Zhang et al. [2] describe PowerBooter, an automated power model construction technique to monitor power consumption of individual components

[1] I. Crk, F. Albinali, C. Gniady, and J. Hartman, “Understanding energy consumption of sensor enabled applications on mobile phones,” 31st Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), IEEE Press, Sept. 2009, pp. 6885-6888.

[2] Lide Zhang et al., “Accurate online power estimation and automatic battery behavior based power model generation for smartphones,” International Conference on Hardware/Software Codesign and System Synthesis (CODES+ISSS’10), IEEE Press, Oct. 2010, pp. 105-114.

System Design

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An inspector

A recorder

An analyzer

System Design

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The inspector

Checks battery information

System Design

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Start

End

Periodically record the information of the battery and the applications

Select the start time and end time

Draw the history curve of the the power remaining of the battery

End

Draw the real-time curve of the the power remaining of the battery

The recorder

Records the information of battery and applications

System Design

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Start

End

Get the recorded information of the battery and applications

Analyze the collected data

Get the rate of the energy consumption of the applications

Rank the applications by their energy consumption rate

The analyzer

Analyzes the data that recorder records

Prototype Implementation

Java program language Android SDK (Software Development Kit) Eclipse with the ADT (Android Development

Tools) Plug-in Runs on android operating system

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Prototype Implementation

View on inspector History curve Real-time curve

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Prototype Implementation

Five different tasksEnergy consumption ranking of five tasks

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Task No.

Applications

1 File download

2 Video streaming

3 Play games

4 Web browsing

5 Text message

Conclusions

SEMO: monitors and analyzes the energy consumption of applications on smartphones

Runs on android operating system

Records the energy consumption of applications and rank applications by their energy consumption rates

Works well on monitoring and analyzing the energy consumption of the applications on smartphones

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Thank you very much!

[email protected]@ieee.org

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