Class Calculator


  • public class Calculator
    extends Object
    Class to calculate various items that don't require all previous results to be saved:
    • mean = average
    • standard deviation
    • minimum
    • maximum
    • Constructor Detail

      • Calculator

        public Calculator()
      • Calculator

        public Calculator​(String label)
    • Method Detail

      • clear

        public void clear()
      • addValue

        @Deprecated
        public void addValue​(long newValue)
        Deprecated.
        Add the value for a single sample.
        Parameters:
        newValue - the value for the new sample
      • addBytes

        public void addBytes​(long newValue)
      • addSample

        public void addSample​(SampleResult res)
        Add details for a sample result, which may consist of multiple samples. Updates the number of bytes read, error count, startTime and elapsedTime
        Parameters:
        res - the sample result; might represent multiple values
      • getTotalBytes

        public long getTotalBytes()
      • getMean

        public double getMean()
      • getMeanAsNumber

        public Number getMeanAsNumber()
      • getStandardDeviation

        public double getStandardDeviation()
      • getMin

        public long getMin()
      • getMax

        public long getMax()
      • getCount

        public int getCount()
      • getLabel

        public String getLabel()
      • getErrorPercentage

        public double getErrorPercentage()
        Returns the raw double value of the percentage of samples with errors that were recorded. (Between 0.0 and 1.0)
        Returns:
        the raw double value of the percentage of samples with errors that were recorded.
      • getRate

        public double getRate()
        Returns the throughput associated to this sampler in requests per second. May be slightly skewed because it takes the timestamps of the first and last samples as the total time passed, and the test may actually have started before that start time and ended after that end time.
        Returns:
        throughput associated to this sampler in requests per second
      • getAvgPageBytes

        public double getAvgPageBytes()
        calculates the average page size, which means divide the bytes by number of samples.
        Returns:
        average page size in bytes
      • getBytesPerSecond

        public double getBytesPerSecond()
        Throughput in bytes / second
        Returns:
        throughput in bytes/second
      • getKBPerSecond

        public double getKBPerSecond()
        Throughput in kilobytes / second
        Returns:
        Throughput in kilobytes / second