'A performance tool that requires a graduate seminar before breakfast has already lost the room': Why Windows Task Manager looks like it's getting CPU usage wrong
The creator of the original Windows Task Manager, Dave Plummer, explains why the Windows 11 Task Manager's CPU usage reporting may seem inaccurate. He details how the tool uses averaging and compromises in calculations, especially with modern CPUs featuring dynamic frequency scaling, rather than real-time pinpoint accuracy. Microsoft has announced a fix for this in a recent preview build, aiming to align Task Manager's metrics with industry standards.
- Entities
- Company: Microsoft
- Platform: Windows 11
- Topic: Performance Monitoring
- Person: Dave Plummer
- Topic: Dynamic Frequency Scaling
- Topic: CPU Usage Calculation
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