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I'm trying to get CPU usage data with WMI. For this purpose I'm using the Win32_PerfRawData_PerfProc_Process class. When I run below code, I do not get any result.

ManagementObjectSearcher searcher = new ManagementObjectSearcher("root\\CIMV2","SELECT * FROM Win32_PerfRawData_PerfProc_Process");
var data = searcher.Get();

Until here there is no any error, if I try to use data object, app waiting until I close it.

I made some research, but found nothing useful.

NOTE: Other WMI class queries work fine. And I need to use WMI (not performance counters).

Michel de Ruiter
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S Topkaya
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1 Answers1

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Please take a look at registry key HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\PerfProc\Performance and here the value of "Disable Performance Counters". It should be set to "0" for this Class to work.

Shadow Con
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