power manager，Power Managerment

Power Managerment

Power Managerment plays a crucial role in optimizing power consumption and ensuring efficient power management in various devices and systems. Let's explore some key points related to power management:

1. Initialization of PowerManagerment

1.6 To execute the initPowerManagerment() interface, specific parameters need to be passed.

2. DisplayManagerInternal Implementation

1.7 DisplayManagerInternal is an abstract class that requires a subclass to inherit and implement the defined interfaces.

2.1 Creation of mDisplayPowerController in Initialization

Within the initialization process, mDisplayPowerController is created, which is essential for power control.

3. Interaction with DisplayMangerService

20:22 The interaction with DisplayMangerService is crucial in the initialize() function of DisplayPowerController.

The initialize() function within DisplayPowerController passes into the DisplayMangerService's LocalService, specifically the initPowerManagerment() method executed within PowerManagerService's systemReady() function.

4. SystemServer Execution

In the main method of public static void main(String[] args), a new SystemServer object is created, and the run() function is initiated to start the system.

The run() function involves the initialization of the System Context and the creation of the SystemServiceManager object to manage various system services.

5. Device Manager Power Management

When accessing Device Manager, navigating to Network Adapters and selecting the appropriate network adapter, properties for Power Managerment can be adjusted by deselecting the "Allow the computer to turn off this device to save power" option.

6. Differentiating between PM and PS Power

PM stands for power managerment, focusing on load power management, while PS refers to power supply, serving as the system's power source. Understanding the distinction between the two is essential in efficient power management.

Implementing effective power management strategies is crucial in optimizing energy consumption and enhancing device performance. By exploring the key aspects of Power Managerment, system administrators and developers can make informed decisions to ensure efficient power utilization and enhance overall system stability.