developer toolbox

http://www.ctoedge.com/content/how-dalvik-virtual-machine-works-google-android

http://www.infoq.com/news/2007/11/dalvik

http://developer.android.com/guide/developing/tools/ddms.html

Using the Dalvik Debug Monitor

Android ships with a debugging tool called the Dalvik Debug Monitor Server (DDMS), which provides port-forwarding services, screen capture on the device, thread and heap information on the device, logcat, process, and radio state information, incoming call and SMS spoofing, location data spoofing, and more. This page provides a modest discussion of DDMS features; it is not an exhaustive exploration of all the features and capabilities.

DDMS ships in the tools/ directory of the SDK. Enter this directory from a terminal/console and type ddms (or ./ddms on Mac/Linux) to run it. DDMS will work with both the emulator and a connected device. If both are connected and running simultaneously, DDMS defaults to the emulator.

http://stackoverflow.com/questions/1023502/how-would-you-improve-dalvik-androids-virtual-machine

http://blogs.sun.com/jrose/entry/with_android_and_dalvik_at