If you are a Linux kernel and device driver developer with a moderate level of experience, the benefit of using the DSF template is twofold: You can develop test cases faster and more consistently since the DSF template can be used for many different tests. Also, you can target specific areas of the kernel for execution, which eliminates the typical userspace test case hit-or-miss approach to executing kernel code. This article will get you started simulating devices of your choice.
Thats handy.