The new home for Visual Studio documentation is Visual Studio 2017 Documentation on docs.microsoft.com.

The latest version of this topic can be found at __readmsr.

Microsoft Specific**

Generates the rdmsr instruction, which reads the model-specific register specified by register and returns its value.

__int64 __readmsr(   
   int register   


[in] register
The model specific register to read.

The value in the specified register.

__readmsrx86, x64

Header file <intrin.h>

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

For more information, see the AMD documentation.

Compiler Intrinsics