MdePkg/Library/BaseLib/Ia32/ReadPmc.c File Reference


Functions

UINT64 EFIAPI AsmReadPmc (IN UINT32 Index)

Detailed Description

AsmReadPmc function

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Function Documentation

UINT64 EFIAPI AsmReadPmc ( IN UINT32  Index  ) 

Reads the current value of a Performance Counter (PMC).

Reads and returns the current value of performance counter specified by Index. This function is only available on IA-32 and x64.

Parameters:
Index The 32-bit Performance Counter index to read.
Returns:
The value of the PMC specified by Index.

References ecx, and mov.


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