/// <summary>
/// Copy this histogram into the target histogram, overwriting it's contents.
/// </summary>
/// <param name="source">The source histogram</param>
/// <param name="targetHistogram">the histogram to copy into</param>
public static void CopyInto(this HistogramBase source, HistogramBase targetHistogram)
{
targetHistogram.Reset();
targetHistogram.Add(source);
targetHistogram.StartTimeStamp = source.StartTimeStamp;
targetHistogram.EndTimeStamp = source.EndTimeStamp;
}
/// <summary>
/// Copy this histogram into the target histogram, overwriting it's contents.
/// </summary>
/// <param name="source">The source histogram</param>
/// <param name="targetHistogram">the histogram to copy into</param>
public static void CopyInto(this HistogramBase source, HistogramBase targetHistogram)
{
targetHistogram.Reset();
targetHistogram.Add(source);
targetHistogram.StartTimeStamp = source.StartTimeStamp;
targetHistogram.EndTimeStamp = source.EndTimeStamp;
}
/// <summary>
/// Copy this histogram, corrected for coordinated omission, into the target histogram, overwriting it's contents.
/// </summary>
/// <param name="targetHistogram">the histogram to copy into</param>
/// <param name="expectedIntervalBetweenValueSamples">If <paramref name="expectedIntervalBetweenValueSamples"/> is larger than 0, add auto-generated value records as appropriate if value is larger than <paramref name="expectedIntervalBetweenValueSamples"/></param>
/// <remarks>
/// See <see cref="CopyCorrectedForCoordinatedOmission"/> for more detailed explanation about how correction is applied
/// </remarks>
public void CopyIntoCorrectedForCoordinatedOmission(HistogramBase targetHistogram, long expectedIntervalBetweenValueSamples)
{
targetHistogram.Reset();
targetHistogram.AddWhileCorrectingForCoordinatedOmission(this, expectedIntervalBetweenValueSamples);
targetHistogram.StartTimeStamp = StartTimeStamp;
targetHistogram.EndTimeStamp = EndTimeStamp;
}
private void PerformIntervalSample()
{
try
{
_recordingPhaser.ReaderLock();
// Make sure we have an inactive version to flip in:
if (_inactiveHistogram == null)
{
_inactiveHistogram = _histogramFactory(_instanceId,
_activeHistogram.LowestTrackableValue,
_activeHistogram.HighestTrackableValue,
_activeHistogram.NumberOfSignificantValueDigits);
}
_inactiveHistogram.Reset();
// Swap active and inactive histograms:
var tempHistogram = _inactiveHistogram;
_inactiveHistogram = _activeHistogram;
_activeHistogram = tempHistogram;
// Mark end time of previous interval and start time of new one:
var now = DateTime.Now.MillisecondsSinceUnixEpoch();
_activeHistogram.StartTimeStamp = now;
_inactiveHistogram.EndTimeStamp = now;
// Make sure we are not in the middle of recording a value on the previously active histogram:
// Flip phase to make sure no recordings that were in flight pre-flip are still active:
_recordingPhaser.FlipPhase(TimeSpan.FromMilliseconds(0.5));
}
finally
{
_recordingPhaser.ReaderUnlock();
}
}
/// <summary>
/// Copy this histogram, corrected for coordinated omission, into the target histogram, overwriting it's contents.
/// </summary>
/// <param name="targetHistogram">the histogram to copy into</param>
/// <param name="expectedIntervalBetweenValueSamples">If <paramref name="expectedIntervalBetweenValueSamples"/> is larger than 0, add auto-generated value records as appropriate if value is larger than <paramref name="expectedIntervalBetweenValueSamples"/></param>
/// <remarks>
/// See <see cref="CopyCorrectedForCoordinatedOmission"/> for more detailed explanation about how correction is applied
/// </remarks>
public void CopyIntoCorrectedForCoordinatedOmission(HistogramBase targetHistogram, long expectedIntervalBetweenValueSamples)
{
targetHistogram.Reset();
targetHistogram.AddWhileCorrectingForCoordinatedOmission(this, expectedIntervalBetweenValueSamples);
targetHistogram.StartTimeStamp = StartTimeStamp;
targetHistogram.EndTimeStamp = EndTimeStamp;
}