Performance Optimizing of Android

ApplicationYu KANG

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Motivation

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Challenge

• Testing & Debugging• Rapid release of application• Focus more on functional test• Fragmentation of Android phones

• Diagnosing & Recovering• The testing cannot cover all• Problems may depend on the runtime environment

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Our Work - An OverviewDeveloper side

User side

App collection Pre-Testing analysis Testing Post-Testing analysis

Run-time Profiling Run-time Recovering

crawlerReverse Engineering

Static Analysis

Repack

Profiling

WorkloadGenerator

Hooked DVM

FPS meter assisted testing

Testing logsMining logs

Recovering

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Current Progress

• The overall system framework design is done• For components• Most components (e.g., crawler) – Almost finished• Some components (e.g., system profiling) – framework is done but concrete

modules need to be added

• One year study, about 30,000 lines of commented codes till now (including JAVA, C++, Python)

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