public void refreshIntervalStatistics(long sampleInterval, long period) {
		m_intervalStatistics.setValue(m_periodIndex, sampleInterval);
		m_cumulativeStatistics.setValue(m_periodIndex, period);
		m_peakTPSExpression.update(m_intervalStatistics, m_cumulativeStatistics);
		m_intervalStatistics = m_statisticsSetFactory.create();
	}
Start new interval statistics.

@param sampleInterval	sampleInterval
@param period			period
ngrinder-core/src/main/java/net/grinder/console/model/SampleAccumulatorEx.java