Android CPU Governors in Samsung Galaxy Nexus Explained
This is a list of Android CPU governors that are available in the Samsung Galaxy Nexus smartphone for reference in case you are tweaking the CPU with CPU tweaking apps. What is a CPU Governor ? A CPU governor controls how the CPU changes it's speed depends on various conditions defined in the governors. Android CPU Governors Performance This governor locks the CPU frequency at maximum speed. Powersave This governor is the opposite of Performance governor. It locks the CPU frequency at minimum speed. OnDemand Quote from reference (1): Default governor in almost all stock kernels. One main goal of the ondemand governor is to switch to max frequency as soon as there is a CPU activity detected to ensure the responsiveness of the system. (You can change this behavior using smooth scaling parameters, refer Siyah tweaks at the end of 3rd post.) Effectively, it uses the CPU busy time as the answer to "how critical is performance right now" question. So Ondemand jumps to maximum f...