private float GetValue()
{
CounterSample currentSample = _perfCounter.NextSample();
if (currentSample.SystemFrequency != 0)
{
// The recommended delay time between calls to the NextSample method is one second, to allow the counter to perform the next incremental read.
float timeDifferenceSecs = (currentSample.TimeStamp - _nextSample.TimeStamp) / (float)currentSample.SystemFrequency;
if (timeDifferenceSecs > 0.5F || timeDifferenceSecs < -0.5F)
{
_prevSample = _nextSample;
_nextSample = currentSample;
if (_prevSample.Equals(CounterSample.Empty))
{
_prevSample = currentSample;
}
}
}
else
{
_prevSample = _nextSample;
_nextSample = currentSample;
}
float sampleValue = CounterSample.Calculate(_prevSample, currentSample);
return(sampleValue);
}
