Screen On (Active) User present and using device Screen Off (Connected Standby) User not present, still connected Shutdown User not present, no context saved.
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Transcript Screen On (Active) User present and using device Screen Off (Connected Standby) User not present, still connected Shutdown User not present, no context saved.
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Screen On
(Active)
User present
and using
device
Screen Off
(Connected
Standby)
User not present,
still connected
Shutdown
User not
present, no
context
saved
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Device power management
App
App
App
App Interfaces
Function
Driver
App
Device Interfaces
Power Manager
Port Driver
Miniport
Power-Engine
Plugin (PEP)
Bus Driver
Windows Kernel
ACPI Firmware
Bus Driver
Low-Power Chipset
Low-Power
Memory
Low-Power
Memory
Offloaded
Wi-Fi
Low-Power Platform
Flash
Storage
Energy Consumed
power
Average Power
time
Running
Resuming
Suspending
Suspended
Notifications
Scheduled
Tasks
Windows 8
with Power Metering
Software
NVIDIA Tegra
Development
Platform
The Setup
• (HW-149P) Improving battery life and energy efficiency
• (HW-251T) Introducing low-power buses for Windows 8
• (HW-255T) Integrating Bluetooth on low-power buses
• (HW-342T) Understanding Wi-Fi networking in Windows 8
• (APP-396T) Using Tiles and Notifications
• (HW-566T) Networking for connected standby
• (HW-774T) Building great Windows 8 systems
http://forums.dev.windows.com
http://bldw.in/SessionFeedback