Tracking power use on Android

Question

I have an application that keeps a long-standing network connection to a server.

I periodically ping the server to know if its still alive.

I imagine that it affects battery life, but other than trying to wall-clock time the time between charges, I don't have a good way of quantifying this.

Is there a mechanism for being told when the CPU 'wakes up', or when it wants to go to sleep?

Is there a standard way of doing long standing connections that minimises power consumption?

Answer 1

I imagine that it affects battery life, but other than trying to wall-clock time the time between charges, I don't have a good way of quantifying this.

Settings > About Phone > Battery use

Answer 2

You may find this app useful: http://powertutor.org/