Arrays.sort(rtimes);
double[] quantiles = {0.25, 0.50, 0.75, 0.80, 0.90, 0.95, 0.98, 0.99, 1.00};
Stack<Long> timings = new Stack();
timings.addAll(Arrays.asList(rtimes));
double level = 1.0;
long timing = 0;
for (int qn = quantiles.length - 1; qn >= 0; qn--) {
double quan = quantiles[qn];
while (level >= quan && !timings.empty()) {