presto-main/src/main/java/io/prestosql/dispatcher/LocalDispatchQuery.java/LocalDispatchQuery/getTotalCpuTime
class LocalDispatchQuery:    @Override
    public Duration getTotalCpuTime()
    {
        return tryGetQueryExecution()
                .map(QueryExecution::getTotalCpuTime)
                .orElseGet(() -> new Duration(0, MILLISECONDS));
    }