PopCheckForIdleness

VOID __stdcall PopCheckForIdleness(_KDPC *Dpc, VOID *DeferredContext, VOID *SystemArgument1, VOID *SystemArgument2){
  int ActiveProcessorCount; 
  unsigned __int8 CurrentIrql; 
  int v6; 
  volatile unsigned __int64 TickCountQuad; 
  unsigned int v8; 
  unsigned int v9; 
  int v10; 
  signed int v11; 
  UINT64 v12; 
  UINT8 v13; 
  int v14; 
  signed int v15; 
  int v16; 
  int v17; 
  UINT64 ProcIndex; 
  volatile unsigned __int64 v19; 
  _KAFFINITY_ENUMERATION_CONTEXT Context; 

  *(_DWORD *)(&Context.CurrentIndex + 1) = 0;
  *(&Context.CurrentIndex + 3) = 0;
  LODWORD(ProcIndex) = 0;
  ActiveProcessorCount = KeQueryActiveProcessorCountEx(0xFFFFu);
  CurrentIrql = KeGetCurrentIrql();
  __writecr8(2ui64);
  v6 = qword_140C231D8;
  TickCountQuad = KUSER_SHARED_DATA.TickCountQuad;
  v19 = KUSER_SHARED_DATA.TickCountQuad;
  __writecr8(CurrentIrql);
  if( byte_140C231D5 )
  {
    v8 = TickCountQuad - v6;
    if( (int)TickCountQuad - v6 <= 0 )
    {
      byte_140C231D5 = 0;
      goto LABEL_25;
    }
    Context.CurrentMask = KeActiveProcessors.Bitmap[0];
    Context.CurrentIndex = 0;
    v9 = 100;
    Context.Affinity = &KeActiveProcessors;
    v10 = 0;
    v11 = 100;
    KeEnumerateNextProcessor(&ProcIndex, &Context);
    if( !v14 )
    {
      do
      {
        v15 = 100
            * ((*(&KiProcessorBlock + (unsigned int)ProcIndex))->IdleThread->Tcb.SchedulerApc.SpareLong0
             - (*(&KiProcessorBlock + (unsigned int)ProcIndex))->PowerState.LastSysTime)
            / v8;
        if( v15 < v11 )
          v11 = 100
              * ((*(&KiProcessorBlock + (unsigned int)ProcIndex))->IdleThread->Tcb.SchedulerApc.SpareLong0
               - (*(&KiProcessorBlock + (unsigned int)ProcIndex))->PowerState.LastSysTime)
              / v8;
        v10 += v15;
        KeEnumerateNextProcessor(&ProcIndex, &Context);
      }
      while( !v16 );
      TickCountQuad = v19;
      if( v11 <= 100 )
      {
        if( v11 < 0 )
          v11 = 0;
      }
      else
      {
        v11 = 100;
      }
    }
    if( v10 / ActiveProcessorCount <= 100 )
    {
      v9 = v10 / ActiveProcessorCount;
      if( v10 / ActiveProcessorCount < 0 )
        v9 = 0;
    }
    dword_140C231A4 = v11;
    PopSIdle = v9;
    if( !PopPlatformAoAc )
    {
      if( (_DWORD)Timeout )
      {
        LODWORD(AccumulatedIdleTime) = PopIdleScanInterval + AccumulatedIdleTime;
        PopDiagTraceIdleCheck(v12, (unsigned int)v11, v9, v13);
        if( !PopPlatformAoAc
          && PopPreSleepNotificationSeconds + 120 <= (unsigned int)Timeout
          && (int)AccumulatedIdleTime + PopPreSleepNotificationSeconds >= (unsigned int)Timeout
          && !PopIsAboutToSleep )
        {
          PopIsAboutToSleep = 1;
          PopQueueWorkItem(&PopPreSleepNotifyWorkItem);
        }
      }
    }
  }
  Context.CurrentMask = KeActiveProcessors.Bitmap[0];
  Context.Affinity = &KeActiveProcessors;
  qword_140C231D8 = TickCountQuad;
  byte_140C231D5 = 1;
  Context.CurrentIndex = 0;
  while( 1 )
  {
    KeEnumerateNextProcessor(&ProcIndex, &Context);
    if( v17 )
      break;
    (*(&KiProcessorBlock + (unsigned int)ProcIndex))->PowerState.LastSysTime = (*(&KiProcessorBlock
                                                                                + (unsigned int)ProcIndex))->IdleThread->Tcb.SchedulerApc.SpareLong0;
  }
LABEL_25:
  PopGetPolicyWorker(PopPlatformAoAc != 0 ? 128 : 8);
  PopCheckForWork();
}

Referenced by: