[Windows] Error Obtaining the Xeon Gold 6342 CPU usage

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Summary

• OS: Windows Server 2025 Datacenter
• Architecture: 64-bit
• Psutil version: 6.1.0
• Python version: Python 3.13.1
• Type: core

Description

I ran it on this windows server with code like this, and after running it for about a few minutes, I started to get incorrect utilization reports with output of 100 utilization at intervals, which only happened on this multi-core CPU, which is NUMA architecture:

import psutil


def get_cpu_utilization():
    """
    Fetches the CPU utilization using psutil library.

    :return: The average CPU utilization percentage across all cores.
    :rtype: int
    """
    cpu_percent = psutil.cpu_percent(interval=1, percpu=False)

    return cpu_percent


if __name__ == '__main__':
    while True:
        cpu = get_cpu_utilization()
        print(cpu)