Want to know what your Android device is doing? Well, you can use a free Android application PerfMon – Floating Performance Monitor by XDA Developer, Chainfire to do so. PerfMon is a floating performance monitor tool. It shows on top of any other app you are running so that you can know how your Android device is doing. A great tool to use during debugging and profiling.
![PerfMon-Floating-Performance-Monitor](https://www.jayceooi.com/wp-content/uploads/2012/10/PerfMon-Floating-Performance-Monitor.jpg?x67711)