output.println(String.format("row rate : %.0f", history.rowRate()));
output.println(String.format("latency mean : %.1f", history.meanLatency()));
output.println(String.format("latency median : %.1f", history.medianLatency()));
output.println(String.format("latency 95th percentile : %.1f", history.rankLatency(.95f)));
output.println(String.format("latency 99th percentile : %.1f", history.rankLatency(0.99f)));
output.println(String.format("latency 99.9th percentile : %.1f", history.rankLatency(0.999f)));
output.println(String.format("latency max : %.1f", history.maxLatency()));
output.println(String.format("total gc count : %.0f", totalGcStats.count));
output.println(String.format("total gc mb : %.0f", totalGcStats.bytes / (1 << 20)));
output.println(String.format("total gc time (s) : %.0f", totalGcStats.summs / 1000));
output.println(String.format("avg gc time(ms) : %.0f", totalGcStats.summs / totalGcStats.count));