/** @return a summary of {@code hist}. */
public static String getHistogramReport(final Histogram hist) {
Snapshot sn = hist.getSnapshot();
return ", mean="
+ DOUBLE_FORMAT.format(sn.getMean())
+ ", min="
+ DOUBLE_FORMAT.format(sn.getMin())
+ ", max="
+ DOUBLE_FORMAT.format(sn.getMax())
+ ", stdDev="
+ DOUBLE_FORMAT.format(sn.getStdDev())
+ ", 50th="
+ DOUBLE_FORMAT.format(sn.getMedian())
+ ", 75th="
+ DOUBLE_FORMAT.format(sn.get75thPercentile())
+ ", 95th="
+ DOUBLE_FORMAT.format(sn.get95thPercentile())
+ ", 99th="
+ DOUBLE_FORMAT.format(sn.get99thPercentile())
+ ", 99.9th="
+ DOUBLE_FORMAT.format(sn.get999thPercentile())
+ ", 99.99th="
+ DOUBLE_FORMAT.format(sn.getValue(0.9999))
+ ", 99.999th="
+ DOUBLE_FORMAT.format(sn.getValue(0.99999));
}
private void collectTimerReports(
List<DBObject> docs, SortedMap<String, Timer> timers, Date timestamp) {
if (timers.isEmpty()) return;
for (Map.Entry<String, Timer> entry : timers.entrySet()) {
final BasicDBObject report = getBasicDBObject(timestamp, entry.getKey(), "timer");
final Timer v = entry.getValue();
final Snapshot s = v.getSnapshot();
// meter part
report.put("count", v.getCount());
report.put("rate-unit", getRateUnit());
report.put("1-minute-rate", convertRate(v.getOneMinuteRate()));
report.put("5-minute-rate", convertRate(v.getFiveMinuteRate()));
report.put("15-minute-rate", convertRate(v.getFifteenMinuteRate()));
report.put("mean-rate", convertRate(v.getMeanRate()));
// histogram part
report.put("duration-unit", getDurationUnit());
report.put("75-percentile", convertDuration(s.get75thPercentile()));
report.put("95-percentile", convertDuration(s.get95thPercentile()));
report.put("98-percentile", convertDuration(s.get98thPercentile()));
report.put("99-percentile", convertDuration(s.get99thPercentile()));
report.put("999-percentile", convertDuration(s.get999thPercentile()));
report.put("max", convertDuration(s.getMax()));
report.put("min", convertDuration(s.getMin()));
report.put("mean", convertDuration(s.getMean()));
report.put("median", convertDuration(s.getMedian()));
report.put("stddev", convertDuration(s.getStdDev()));
docs.add(report);
}
}
private void collectHistogramReports(
List<DBObject> docs, SortedMap<String, Histogram> histograms, Date timestamp) {
if (histograms.isEmpty()) return;
for (Map.Entry<String, Histogram> entry : histograms.entrySet()) {
final BasicDBObject report = getBasicDBObject(timestamp, entry.getKey(), "histogram");
final Histogram histogram = entry.getValue();
final Snapshot s = histogram.getSnapshot();
report.put("count", s.size());
report.put("75th_percentile", s.get75thPercentile());
report.put("95th_percentile", s.get95thPercentile());
report.put("98th_percentile", s.get98thPercentile());
report.put("99th_percentile", s.get99thPercentile());
report.put("999th_percentile", s.get999thPercentile());
report.put("max", s.getMax());
report.put("min", s.getMin());
report.put("mean", s.getMean());
report.put("median", s.getMedian());
report.put("std_dev", s.getStdDev());
docs.add(report);
}
}
@Override
public String toString() {
StringWriter sw = new StringWriter();
Locale locale = Locale.ROOT;
try (PrintWriter output = new PrintWriter(sw)) {
final Snapshot snapshot = timer.getSnapshot();
output.printf(locale, "Benchmark Results%n");
output.printf(locale, " count = %d%n", timer.getCount());
output.printf(locale, " mean rate = %2.2f calls/%s%n", timer.getMeanRate(), "s");
output.printf(
locale,
" min = %d %s%n",
TimeUnit.NANOSECONDS.toMillis(snapshot.getMin()),
"ms");
output.printf(
locale,
" max = %d %s%n",
TimeUnit.NANOSECONDS.toMillis(snapshot.getMax()),
"ms");
output.printf(locale, " mean = %2.2f %s%n", snapshot.getMean() / 1000000, "ms");
output.printf(
locale, " stddev = %2.2f %s%n", snapshot.getStdDev() / 1000000, "ms");
output.printf(
locale, " median = %2.2f %s%n", snapshot.getMedian() / 1000000, "ms");
output.printf(
locale, " 75%% <= %2.2f %s%n", snapshot.get75thPercentile() / 1000000, "ms");
output.printf(
locale, " 95%% <= %2.2f %s%n", snapshot.get95thPercentile() / 1000000, "ms");
output.printf(
locale,
" 99.9%% <= %2.2f %s%n",
snapshot.get999thPercentile() / 1000000,
"ms");
}
return sw.toString();
}
private void adjustMetrics(
Map<String, Map<Integer, MetricSnapshot>> metrics,
Map<String, Integer> metaCounters,
Map<String, Map<Integer, Histogram>> histograms,
Map<String, Map<Integer, Timer>> timers) {
for (Map.Entry<String, Map<Integer, MetricSnapshot>> metricEntry : metrics.entrySet()) {
String meta = metricEntry.getKey();
MetricType metricType = MetricUtils.metricType(meta);
MetaType metaType = MetricUtils.metaType(meta);
Map<Integer, MetricSnapshot> winData = metricEntry.getValue();
if (metricType == MetricType.HISTOGRAM) {
for (Map.Entry<Integer, MetricSnapshot> dataEntry : winData.entrySet()) {
MetricSnapshot snapshot = dataEntry.getValue();
Integer cnt = metaCounters.get(meta);
Histogram histogram = histograms.get(meta).get(dataEntry.getKey());
if (cnt != null && cnt > 1) {
Snapshot snapshot1 = histogram.getSnapshot();
snapshot.set_mean(snapshot1.getMean());
snapshot.set_p50(snapshot1.getMedian());
snapshot.set_p75(snapshot1.get75thPercentile());
snapshot.set_p95(snapshot1.get95thPercentile());
snapshot.set_p98(snapshot1.get98thPercentile());
snapshot.set_p99(snapshot1.get99thPercentile());
snapshot.set_p999(snapshot1.get999thPercentile());
snapshot.set_stddev(snapshot1.getStdDev());
snapshot.set_min(snapshot1.getMin());
snapshot.set_max(snapshot1.getMax());
if (metaType == MetaType.TOPOLOGY) {
snapshot.set_points(Arrays.asList(ArrayUtils.toObject(snapshot1.getValues())));
}
}
if (metaType != MetaType.TOPOLOGY) {
snapshot.set_points(new ArrayList<Long>(0));
}
}
} else if (metricType == MetricType.TIMER) {
for (Map.Entry<Integer, MetricSnapshot> dataEntry : winData.entrySet()) {
MetricSnapshot snapshot = dataEntry.getValue();
Integer cnt = metaCounters.get(meta);
if (cnt != null && cnt > 1) {
Timer timer = timers.get(meta).get(dataEntry.getKey());
Snapshot snapshot1 = timer.getSnapshot();
snapshot.set_p50(snapshot1.getMedian());
snapshot.set_p75(snapshot1.get75thPercentile());
snapshot.set_p95(snapshot1.get95thPercentile());
snapshot.set_p98(snapshot1.get98thPercentile());
snapshot.set_p99(snapshot1.get99thPercentile());
snapshot.set_p999(snapshot1.get999thPercentile());
snapshot.set_stddev(snapshot1.getStdDev());
snapshot.set_min(snapshot1.getMin());
snapshot.set_max(snapshot1.getMax());
}
snapshot.set_points(new ArrayList<Long>(0));
}
}
}
}
public double getStdDev() {
return s.getStdDev();
}