Processor Power Management (PPM) settings can significantly impact power and performance of Windows systems. These settings configure getting the right threads on the right cores at the right time and frequency that balance performance and power requirements. Configuring the PPM settings is a complex process and requires area expertise and understanding of each setting’s impact on the system’s behavior. There are many settings with many dimensions (Power Scheme, Power Source, Processor Class, Quality of Service etc.) which create numerous numbers of configurations and add to the complexity of the PPM configuration task.
To help this process, we built a tool that the silicon vendors/OEMs can deploy to validate the PPM settings on their new products.
The Architecture
V1 - Early 2023
V1.1 - 11/15/2023 - Added MTL & Hetero Core parking rules support
The script is located in the Github release, as well as in the Scripts folder in the PPMCheckerTool.
Download the release from Github. Unzip it. Run the script Run.ps1 from the Scripts folder.
‘ExeLocation’ refers to the location that both the project Exe’s reside – PPMCheckerTool.exe and SetSliderPowerMode.exe. In this case, it is 1 directory up. Enter ‘..’ in the prompt. Can be relative path. ‘OutputFilePath’ refers to the full name and path of the output file. Eg. D:\Outputs\Output.txt will work. Can be relative path. ‘TargetCPU’ refers to the target CPU architecture. Eg. ADL_U, ADL_P etc...
Open the solution in Visual Studio, ensure you have no build errors. Click on the down arrow next to the 'Run button' (Green arrow). Add the command line parameters -i <trace.etl> -o <output.csv/txt> -t Run the solution
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