![]() ![]() WPR provides built-in profiles that you can use to select the events you want to record. You can run WPR from the user interface (UI) or from the command line (CL). WPR is a powerful recording tool that creates Event Tracing for Windows (ETW) recordings. The Windows Performance Toolkit consists of two independent tools: Windows Performance Recorder (WPR) and Windows Performance Analyzer (WPA). Total standby session time = DRIPS time + non-DRIPS timeĪctivators: Software components that are allowed to perform work in the background while in Modern Standby. The more time the system spends in DRIPS before the screen is turned back on, the longer the battery life. The system is not in DRIPS when it is performing tasks like receiving emails, updating live tiles with fresh content, receiving VoIP calls, or any other background task that requires system resources. ![]() When the system is in the lowest-power state, the system is in DRIPS. When the screen is turned off, the Modern Standby session starts and the system goes through multiple phases to move into a low-power state. Identify common issues that can impact the power floorĭeepest runtime idle platform state (DRIPS): The system is said to be in DRIPS when the system is consuming the lowest amount of power possible, limited by the system’s power floor. Interpret data from SleepStudy reports and WPA DRIPS plugins This guide will show you how to perform the following tasks: Topics include:įirmware problems and missing constraints This lab provides a deeper dive on useful tools like SleepStudy and WPA, and will guide you through various case studies that illustrate commonly encountered problems. You might need to break down the system to isolate a power offender. After you have developed your Modern Standby system using the proper power management guidance, you have to test and validate that the power floor is optimized to deliver great battery life in standby. ![]()
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