Android: Is it possible to observe system calls?

I was wondering if there is a way to observe the system calls in Android using a service... Is something like this remotely possible using Java or do I have to g开发者_如何学运维et down into native code...?

Thanks

If you root the phone and install Debian, you should be able to install strace from the repositories. Debian install guide for Android here.

By system calls do you mean when the phone rings, wifi connects and etc? Those things are handled by Broadcast intents.