Let's talk about Google Android: Android java space profiling tool

Monday, June 8, 2009

Android java space profiling tool - traceview

Android provides a good java space profiling tool: traceview. Traceview can be found in the same folder as adb in Android SDK package. Usage is quite simple and straightforward:

import android.os.Debug;
Debug.startMethodTracing("tag-name");
Debug.stopMethodTracing();
Run the Java application
Fetch out the profiling output file on SD card (SD card is needed) root folder: tag-name.trace
traceview tag-name.trace to open the traceview window

Insert items 1, 2, 3 into your java source code where you want to do profiling.
For more information about traceview window, refer to http://developer.android.com/guide/developing/tools/traceview.html

3 comments:

Unknown said...: I tried running "traceview" tool with scores.trace , it opened Traceview window showing Colorful markings in first panel(TimeLine panel) & second(Profile) panel With 998 entries overall,What do i do with that, how to Understand it & then how to Optimize my code by looking @ TraceView output, what all those Values & percentages indicate, All(most) of them are System level Methods, What do i do with them?; July 7, 2009 at 10:48 PM
sasha said...: One of the biggest reasons for smartphones from Samsung, Sony Ericsson and Motorola to do roaring business is thanks to the presence of the android applications in them

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Unknown said...: I wasn’t aware of some of the info that you mentioned so I want to just say thank you.
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