ToolTip: PwrTest (Testing Windows Power Management)

While reading the Microsoft Whitepaper Diagnosing Application Compatibility Issues Affecting Windows Power Management I came across a utility called PwrTest that can be used to diagnose sleep reliability issues and more… The below list shows the various options the tool provides.

Scenario

Description

sleep

for sleep/resume transition testing

battery

for battery information testing

info

for system capabilities information

es

for thread execution state changes

idle

for power idle statistics

ppm

for processor power management testing

timer

for system timer resolution statistics

disk

for disk idle statistics

device

for device idle statistics

monitor

for monitor dimming and blanking statistics

requests

for showing power requests

thermal

for ACPI thermal zone monitoring

processidle

for forcing idle/background tasks to be run

PwrTest.exe is part of the Windows Driver Kit that can be downloaded from here. You will need to download an ISO file that is approx. 620 MB, but no worries, no need to install the Full Driver Kit to get this utility. When launching the installer, just select the Tools.

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When accepting the default path, all tools will install under C:\WinDDK\7600.16385.1\Tools where you also find the Power Management folder that contains the PwrTest utility.

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