Rdpmc

This function executes "RDPMC" (Opcode : 0F 33) instruction.

"RDPMC" : Loads the performance-monitoring counter (PMC) specified in the ECX register into registers EDX:EAX.

Syntax

BOOL Rdpmc(
    DWORD index,
    PDWORD eax,
    PDWORD edx
);

Parameters

• index
  [in] PMC index
• eax
  [out] value of EAX register (bit 31- 0)
• edx
  [out] value of EDX register (bit 63-32)

Return Values

If the function succeeds, the return value is TRUE.

If the function fails, the return value is FALSE.

Remarks

Requirements

• WinRing0 1.0 or later

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