.convertDurationsTo(defaultDurationUnit)
.convertRatesTo(defaultRateUnit)
.outputTo(LoggerFactory.getLogger(logger));
if (marker != null) {
reporterBuilder = reporterBuilder.markWith(new BasicMarkerFactory().getMarker(marker));
}
reporter = reporterBuilder.build();
reporter.start(frequency, TimeUnit.NANOSECONDS);
reporters.put(logger, reporter);