/**
* Creates an aggregate of the passed long values
*
* @param values the longs to aggregate
* @return An array of longs containing <b><code>AVG, MIN, MAX</code></b>.
*/
public static long[] aggregate(long... values) {
if (values == null || values.length < 1) return new long[] {0, 0, 0};
long[] aggr = new long[3];
long max = Long.MIN_VALUE;
long min = Long.MAX_VALUE;
int cnt = 0;
BigDecimal total = new BigDecimal(0);
for (long value : values) {
if (value == -1) continue;
total = total.add(BigDecimal.valueOf(value));
if (value > max) max = value;
if (value < min) min = value;
cnt++;
}
try {
aggr[0] = (cnt != 0 && total.longValue() > 0) ? (SimpleMath.avg(cnt, total.longValue())) : 0;
} catch (Exception e) {
System.err.println(
"Failed to compute average for a total of ["
+ total
+ "] and count ["
+ cnt
+ "]. Stack trace follows:");
e.printStackTrace(System.err);
}
aggr[1] = min == Long.MAX_VALUE ? -1 : min;
aggr[2] = max == Long.MIN_VALUE ? -1 : max;
return aggr;
}
/**
* Returns an aggregate of the passed ThreadBenchmarkResult
*
* @param results the ThreadBenchmarkResult to aggregate
* @return the aggregate
*/
public static AggregatedThreadBenchmarkResult aggregate(ThreadBenchmarkResult... results) {
long[] args = new long[LONG_VALUE_CNT];
AggregatedElapsedTime aggregatedElapsedTime =
AggregatedElapsedTime.aggregate(getElapsedTimes(results));
int index = 0;
long[] values = getAggregate("AvgPerOpMs", results);
args[index++] = values[0];
args[index++] = values[1];
args[index++] = values[2];
values = getAggregate("AvgPerOpNs", results);
args[index++] = values[0];
args[index++] = values[1];
args[index++] = values[2];
values = getAggregate("BlockCount", results);
args[index++] = values[0];
args[index++] = values[1];
args[index++] = values[2];
values = getAggregate("BlockTime", results);
args[index++] = values[0];
args[index++] = values[1];
args[index++] = values[2];
values = getAggregate("WaitCount", results);
args[index++] = values[0];
args[index++] = values[1];
args[index++] = values[2];
values = getAggregate("WaitTime", results);
args[index++] = values[0];
args[index++] = values[1];
args[index++] = values[2];
values = getAggregate("ElapsedSysCpu", results);
args[index++] = values[0];
args[index++] = values[1];
args[index++] = values[2];
final int opCount = results[0].opCount;
args[index++] = SimpleMath.avg(opCount, values[0]);
args[index++] = SimpleMath.avg(opCount, values[1]);
args[index++] = SimpleMath.avg(opCount, values[2]);
return new AggregatedThreadBenchmarkResult(aggregatedElapsedTime, args);
}