Power Efficient Software Coding

Question

In a typical handheld/portable embedded system device Battery life is a major concern in design of H/W, S/W and the features the device can support. From the Software progra

Answer 1

On Linux, install powertop to see how often which piece of software wakes up the CPU. And follow the various tips that the powertop site links to, some of which are probably applicable to non-Linux, too.

http://www.lesswatts.org/projects/powertop/