title	__readpmc | Microsoft Docs
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__readpmc

Microsoft Specific

Generates the rdpmc instruction, which reads the performance monitoring counter specified by counter.

Syntax

unsigned __int64 __readpmc(   
   unsigned long counter   
);  

Parameters

[in] counter
The performance counter to read.

Return Value

The value of the specified performance counter.

Requirements

Intrinsic	Architecture
__readpmc	x86, [!INCLUDEvcprx64]

Header file <intrin.h>

Remarks

This intrinsic is available in kernel mode only, and the routine is only available as an intrinsic.

END Microsoft Specific

See Also

Compiler Intrinsics