Vikram SinghProgram ManagerMicrosoft Corporation

PC19

Resource Quantity

File I/O 47,286

Copy-on-Write (COW) Pages 4,656 (~18MB)

Memory Pages (Total) 15,967 (~60MB)

Registry Operations 38,508

Threads 367

Win

dow

s Se

rvic

e • Continuous activity from boot to shutdown

• Service Control Manager (SCM) programming model

• Can specify dependency

• Continuous activity from boot to shutdown

• Service Control Manager (SCM) programming model

• Can specify dependency Sc

hedu

led

Task

• Short duration action

• Idle activity• Take action

on user login• Standalone

executable or out-of-process COM server

• Generally execute in user session

• Short duration action

• Idle activity• Take action

on user login• Standalone

executable or out-of-process COM server

• Generally execute in user session

Service Name Description Trigger Type

AELookupSvc Processes application compatibility cache requests for applications as they are launched

Custom ETW

BDESVC Provides BitLocker client services for user interface and auto-unlocking of data volumes

Custom ETW

BTHSERV The Bluetooth service supports discovery and association of remote Bluetooth devices.

Device

SensorsMTPMonitor Monitors MTP (Media Transfer Protocol) sensors (such as a cell phone with a GPS receiver) to communicate sensor data to programs

Device

TabletInputService Enables Tablet PC pen and ink functionality Device

WinDefend Protection against spyware and potentially unwanted software

Group Policy

[DllImport(“advapi32.dll”, SetLastError=true)]Public static extern bool ChangeServiceConfig2(

IntPtr hService,uint32 dwInfoLevel,IntPtr lpInfo

);

Const uint32 SERVICE_CONFIG_REQUIRED_PRIVILEGES_INFO = 6

// Example UPS Service

protected override void OnStart (string[] args){

IntPtr ServiceHandle;IntPtr RequiredPrivilegesString;

// set required privilegesstring RequiredPrivileges = “SeShutdownPrivilege\0\0”;

RequiredPrivilegesString = Marshal.StringToHGlobalAuto(RequiredPrivileges);

ChangeServiceConfig2(this.ServiceHandle,

SERVICE_CONFIG_REQUIRED_PRIVILEGES_INFO,RequiredPrivilegesString);

}

Task Scheduler(schedule)

Task Scheduler(schedule)

Power Efficiency Diagnostics

(powercfg.exe)

Power Efficiency Diagnostics

(powercfg.exe)

KernelKernel

Detects Idle ConditionDetects Idle Condition

Launches TaskLaunches Task

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© 2008 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market

conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.