# power\_manager<a name="EN-US_TOPIC_0000001115047353"></a>

- [Introduction](#section11660541593)
- [Directory Structure](#section19472752217)
- [Repositories Involved](#section63151229062)

## Introduction<a name="section11660541593"></a>

Power Manager provides the following functionalities:

1.  Rebooting the device
2.  Managing running locks
3.  Obtaining the power status

**Figure  1**  Power manager service architecture<a name="fig106301571239"></a> 
![](figures/power-management-subsystem-architecture.png "power-management-subsystem-architecture")

## Directory Structure<a name="section19472752217"></a>

```
/base/powermgr/power_manager
├── figures                  	# Architecture figures
├── frameworks                  # FrameWork Layer
│   ├── dialog                  # Dialog resource
│   ├── include                 # Include file
│   ├── napi                  	# NAPI
│   └── native                  # Native code
├── interfaces                  # APIs
│   ├── innerkits               # Internal APIs
│   ├── kits                    # External APIs
│   └── test                    # Kits test
├── sa_profile                  # SA profile
├── services                    # Services
│   ├── native                  # Native services
│   └── zidl                    # Zidl APIs
├── test                        # Test code
│   ├── fuzztest                # Fuzz testSS
│   └── systemtest              # System test
└── utils                       # Utilities and common code
```

## Repositories Involved<a name="section63151229062"></a>

[Power management subsystem](https://gitee.com/openharmony/docs/blob/master/en/readme/power-management.md)

**powermgr_power_manager**

[powermgr_display_manager](https://gitee.com/openharmony/powermgr_display_manager)

[powermgr_battery_manager](https://gitee.com/openharmony/powermgr_battery_manager)

[powermgr_thermal_manager](https://gitee.com/openharmony/powermgr_thermal_manager)

[powermgr_battery_statistics](https://gitee.com/openharmony/powermgr_battery_statistics)

[powermgr_battery_lite](https://gitee.com/openharmony/powermgr_battery_lite)

[powermgr_powermgr_lite](https://gitee.com/openharmony/powermgr_powermgr_lite)