Which interface does the windows task manager use to get the real-time CPU speed

Yiqiang Guan 1 Reputation point
2022-04-12T12:31:27.897+00:00

I've try CallNtPowerInformation， but it's turned out not。Can anybody provide me with this info？

Windows Server Management
Windows Server Management
Windows Server: A family of Microsoft server operating systems that support enterprise-level management, data storage, applications, and communications.Management: The act or process of organizing, handling, directing or controlling something.
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