PpmEstimateIdleDuration

UINT64 *__fastcall PpmEstimateIdleDuration(
        INT64 a1,
        CHAR a2,
        UINT8 a3,
        UINT64 a4,
        UINT64 a5,
        UINT64 *a6,
        UINT64 *a7,
        INT64 *a8,
        INT64 *a9){
  __int64 v13; 
  UINT64 v14; 
  CHAR v15; 
  int v16; 
  unsigned int v17; 
  unsigned int v18; 
  unsigned int i; 
  unsigned __int64 v20; 
  ULONG v21; 
  UINT64 v22; 
  __int64 v23; 
  UINT64 v24; 
  UINT64 *v25; 
  UINT64 ProcessorNumber; 
  INT64 v27; 
  UINT64 *v28; 
  UINT64 *v29; 
  unsigned __int16 *v30[2]; 
  __int16 v31; 
  int v32; 
  __int16 v33; 
  _KAFFINITY_EX result; 
  v29 = a6;
  v28 = a7;
  v32 = 0;
  v33 = 0;
  memset((INT64)&result, 0i64);
  v13 = *(_QWORD *)(a1 + 0x8000);
  v14 = -1i64;
  v27 = 0i64;
  LODWORD(ProcessorNumber) = 0;
  v15 = *(_BYTE *)(v13 + 540);
  v16 = 0;
  *(_DWORD *)a9 = 0;
  if( *(_BYTE *)(a1 + 33) )
  {
    v16 = 8;
    *(_DWORD *)a9 = 8;
  }
  if( a2 )
    *(_DWORD *)a9 = v16 | 4;
  KeEstimateClockTickDuration(a1, v15, a2, a3, a4, &v27, a8);
  v17 = *(_DWORD *)(a1 + 11684);
  v18 = 0;
  for( i = v17; i; i >>= 4 )
    v18 += KeMaximumIncrement;
  v20 = v18;
  if( !a2 && v17 )
  {
    v21 = KeMaximumIncrement / (v17 + 1);
    if( !v21 )
      v21 = 1;
    v14 = v21;
  }
  if( v27 <= v14 )
  {
    v14 = v27;
    v20 = v27;
  }
  else
  {
    if( v27 < (unsigned __int64)v18 )
      v20 = v27;
    *(_DWORD *)a9 |= 1u;
  }
  if( PpmIdleDurationExpirationTimeout && *(_BYTE *)(a1 + 33) && (unsigned __int8)PpmGetIdleConstrainedMask(&result) )
  {
    v22 = 0i64;
    v30[1] = (unsigned __int16 *)result.Bitmap[0];
    v30[0] = (unsigned __int16 *)&result;
    v31 = 0;
    while( !(unsigned int)KeEnumerateNextProcessor(&ProcessorNumber, v30) )
    {
      KeGetPrcb((unsigned int)ProcessorNumber);
      v24 = *(_QWORD *)(v23 + 32808);
      if( v24 != -1i64 && v24 > v22 )
        v22 = *(_QWORD *)(v23 + 32808);
    }
    if( v22 && v20 + a4 > v22 )
    {
      *(_DWORD *)a9 |= 0x2000u;
      v20 = v22 > a4 ? (unsigned int)(v22 - a4) : 1i64;
      if( v20 < v14 )
        v14 = v20;
    }
  }
  if( v14 < a5 )
  {
    *(_DWORD *)a9 |= 0x1000u;
    v14 = a5;
    v20 = a5;
  }
  *v28 = v20;
  v25 = v29;
  *v29 = v14;
  return v25;
}

Referenced by: