public List<String> meterAnalyzerActiveFileNames() {
        if (StringUtils.isEmpty(this.meterAnalyzerActiveFiles)) {
            return null;
        }
        return Splitter.on(",").splitToList(this.meterAnalyzerActiveFiles);
    }
Get all files could be meter analyzed, files split by ","
oap-server/analyzer/agent-analyzer/src/main/java/org/apache/skywalking/oap/server/analyzer/provider/AnalyzerModuleConfig.java