BenchmarkResult.java

package ddth.dasp.test.utils;

import com.yammer.metrics.core.Histogram;
import com.yammer.metrics.stats.Snapshot;

public class BenchmarkResult {
	private final int count;
	private final double rate;
	private final long totalTime;
	private final double minTime;
	private final double maxTime;
	private final double meanTime;
	private final double deviation;
	private final double p75Time;
	private final double p95Time;

	public BenchmarkResult(int count, long totalTime, Histogram histogram) {
		this.count = count;
		this.totalTime = totalTime;
		this.rate = count / (totalTime * 1.0);
		this.minTime = histogram.min();
		this.maxTime = histogram.max();
		this.meanTime = histogram.mean();
		this.deviation = histogram.stdDev();
		Snapshot snapshot = histogram.getSnapshot();
		this.p75Time = snapshot.get75thPercentile();
		this.p95Time = snapshot.get95thPercentile();
	}

	public String summarize() {
		return String
				.format(
						"Completed %d ops in %.3f secs (~%.3f ops/sec), op time: %.2f/%.2f/%.2f/%.2f/%.2f (ms)",
						count, totalTime / 1E3, rate * 1E3, minTime, maxTime,
						meanTime, p75Time, p95Time);
	}

	public int getCount() {
		return count;
	}

	public double getRate() {
		return rate;
	}

	public long getTotalTime() {
		return totalTime;
	}

	public double getMinTime() {
		return minTime;
	}

	public double getMaxTime() {
		return maxTime;
	}

	public double getMeanTime() {
		return meanTime;
	}

	public double getDeviation() {
		return deviation;
	}

	public double getP75Time() {
		return p75Time;
	}

	public double getP95Time() {
		return p95Time;
	}
}