public void addCallHistogramList(AgentHistogramList agentHistogramList) {
        if (agentHistogramList == null) {
            return;
        }
        this.agentHistogramBuilder.addAgentHistogram(agentHistogramList);
    }
@author emeroad
@author minwoo.jung
@author HyunGil Jeong
web/src/main/java/com/navercorp/pinpoint/web/applicationmap/nodes/ServerBuilder.java