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10 - Power profilers

from Part II - Energy management and conservation

Published online by Cambridge University Press:  05 August 2014

Sasu Tarkoma ,
Matti Siekkinen ,
Eemil Lagerspetz  and
Yu Xiao
Sasu Tarkoma
Affiliation:
University of Helsinki
Matti Siekkinen
Affiliation:
Aalto University, Finland
Eemil Lagerspetz
Affiliation:
University of Helsinki
Yu Xiao
Affiliation:
Aalto University, Finland
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Summary

The rapid advancement of the communication and computing capabilities of smartphones has led to batteries depleting faster. The Android and Apple's iOS application ecosystem both include many applications that help their users manage the battery life of their devices. Some of these are automated, and give little or no control to the user, turning off functionality that is not used and reducing the amount of time the phone spends awake. Another class of battery-management applications is informational, providing users with options, indicating how much energy each option will save, and keeping track of the energy use of the phone. These applications are typically called energy profilers or mobile battery-awareness applications. The former is targeted at developers whereas the latter is for users of the smartphones.

The primary goal of these applications is to make the developer or user aware of what consumes energy. They give the user insight into the factors that consume battery power on their mobile device and give advice on how to deal with them.

In this chapter, we consider the state of the art in energy and power modeling on smartphones. Following the terminology presented in Chapter 6, an energy profiler is a system that characterizes the energy consumption of a smartphone. Typically, the profiler relies on power models that represent power draw. An energy profiler can be a separate device or a software component running on the smartphone and using the device's battery interface for energy and power information.

Type
Chapter
Information
Smartphone Energy Consumption
Modeling and Optimization
 , pp. 192 - 224
Publisher: Cambridge University Press
Print publication year: 2014

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References

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