public void addCallCountByElapsedTime(int elapsedTime, boolean error) {
        final HistogramSlot histogramSlot = this.schema.findHistogramSlot(elapsedTime, error);
        short slotTime = histogramSlot.getSlotTime();
        this.sumElapsed += elapsedTime;
        updateMaxElapsed(elapsedTime);
        addCallCount(slotTime, 1);
    }
@author emeroad
@author netspider
@author jaehong.kim
web/src/main/java/com/navercorp/pinpoint/web/applicationmap/histogram/Histogram.java