Определить загруженность цп

//---------------------------------------------------------------------------
 #include "TCHAR.h"
    #include "pdh.h"
#include <vcl.h>
#pragma hdrstop
 
#include "Unit1.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
        : TForm(Owner)
{
}
//---------------------------------------------------------------------------
 
 
 
    static PDH_HQUERY cpuQuery;
    static PDH_HCOUNTER cpuTotal;
 
 
    void init(){
        PdhOpenQuery(NULL, NULL, &cpuQuery);
        PdhAddCounter(cpuQuery, TEXT("\\Processor(_Total)\\% Processor Time"), NULL, &cpuTotal);
        PdhCollectQueryData(cpuQuery);
    }
 
 
    double getCurrentValue(){
        PDH_FMT_COUNTERVALUE counterVal;
 
 
        PdhCollectQueryData(cpuQuery);
        PdhGetFormattedCounterValue(cpuTotal, PDH_FMT_DOUBLE, NULL, &counterVal);
        return counterVal.doubleValue;
    }
 
void __fastcall TForm1::Button1Click(TObject *Sender)
{
double d;
init();
d = getCurrentValue();
Form1->Memo1->Lines->Add(String(d));
}
//---------------------------------------------------------------------------