private static void pongHandler(
final DirectBuffer buffer, final int offset, final int length, final Header header) {
final long pingTimestamp = buffer.getLong(offset);
final long rttNs = System.nanoTime() - pingTimestamp;
HISTOGRAM.recordValue(rttNs);
}
private static String createEncodedHistogram() {
Random random = new Random();
Histogram histogram = new Histogram(MAXIMUM_LATENCY, LATENCY_PRECISION);
for (int i = 0; i < 10; i++) {
histogram.recordValue(random.nextInt((int) MAXIMUM_LATENCY));
}
return getEncodedHistogram(histogram);
}