improving configuration comments

analytics/operators/persystsql/PerSystSqlOperator.cpp

@@ -94,6 +94,7 @@ void PerSystSqlOperator::copy(const PerSystSqlOperator& other){
 }
 
 void PerSystSqlOperator::printConfig(LOG_LEVEL ll) {
+	LOG_VAR(ll) << "PerSystSQL Operator " << _name;
 	LOG_VAR(ll) << "backend=" << _backend;
 	LOG_VAR(ll) << "go_back_ms=" << _go_back_ns/1e6;
 	LOG_VAR(ll) << "_scaling_factor=" << _scaling_factor;

analytics/operators/smucngperf/SMUCNGPerfConfigurator.cpp

@@ -165,6 +165,7 @@ void SMUCNGPerfConfigurator::operatorAttributes(SMUCNGPerfOperator& op, CFG_VAL
 			op.setGoBackMs(go_back_ms);
     	}
     }
+	_metricToPosition.clear();
 }
 
 bool SMUCNGPerfConfigurator::unit(UnitTemplate<SMUCSensorBase>& u) {

analytics/operators/smucngperf/SMUCNGPerfOperator.cpp

@@ -86,9 +86,10 @@ void SMUCNGPerfOperator::copy(const SMUCNGPerfOperator& other){
 
 void SMUCNGPerfOperator::printConfig(LOG_LEVEL ll) {
     OperatorTemplate<SMUCSensorBase>::printConfig(ll);
+    LOG_VAR(ll) << "Operator " << _name << ":";
     LOG_VAR(ll) << "Metric to position map size(" << _metricToPosition.size() << "):";
     for(auto &kv : _metricToPosition){
-    	LOG_VAR(ll) << "Metric = " << kv.first << " Position = " << kv.second;
+    	LOG_VAR(ll) << "\tMetric = " << kv.first << " Position = " << kv.second;
     }
     LOG_VAR(ll) << "_measuring_interval_s = " << _measuring_interval_s;
     LOG_VAR(ll) << "_go_back_ns = " << _go_back_ns;