__readpmc
The latest version of this topic can be found at __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, x64 |
Header file <intrin.h>
Remarks
This intrinsic is available in kernel mode only, and the routine is only available as an intrinsic.