in src/main/java/org/apache/sling/commons/metrics/internal/JSONReporter.java [237:247]
private void printMeter(Map.Entry<String, Meter> e) throws IOException {
json.key(e.getKey()).object();
Meter meter = e.getValue();
json.key("count").value(e.getValue().getCount());
json.key("m1_rate").value(meter.getOneMinuteRate() * rateFactor);
json.key("m5_rate").value(meter.getFiveMinuteRate() * rateFactor);
json.key("m15_rate").value(meter.getFifteenMinuteRate() * rateFactor);
json.key("mean_rate").value(meter.getMeanRate() * rateFactor);
json.key("units").value(rateUnit);
json.endObject();
}