RdpmcPx

This function executes "RDPMC" (Opcode : 0F 33) instruction with process affinity mask.

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

Syntax

BOOL RdpmcPx(
    DWORD index,
    PDWORD eax,
    PDWORD edx,
    DWORD_PTR processAffinityMask
);

Parameters

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

Return Values

If the function succeeds, the return value is TRUE.

If the function fails, the return value is FALSE.

Remarks

Requirements

WinRing0 1.3 or later