[TD-3085] <fix>: support insert speed info.

src/kit/taosdemo/taosdemo.c

@@ -4266,10 +4266,11 @@ void startMultiThreadInsertData(int threads, char* db_name, char* precision, SSu
   avgDelay = (double)totalDelay / cntDelay;
 
   double end = getCurrentTime();
-  printf("Spent %.4f seconds to insert rows: %"PRId64", affected rows: %"PRId64" with %d thread(s) into %s.%s\n\n", 
-          end - start, superTblInfo->totalRowsInserted, superTblInfo->totalAffectedRows, threads, db_name, superTblInfo->sTblName);
-  fprintf(g_fpOfInsertResult, "Spent %.4f seconds to insert rows: %"PRId64", affected rows: %"PRId64" with %d thread(s) into %s.%s\n\n", 
-          end - start, superTblInfo->totalRowsInserted, superTblInfo->totalAffectedRows, threads, db_name, superTblInfo->sTblName);
+  double t = end - start;
+  printf("Spent %.4f seconds to insert rows: %"PRId64", affected rows: %"PRId64" with %d thread(s) into %s.%s. %2.f records/second\n\n", 
+          t, superTblInfo->totalRowsInserted, superTblInfo->totalAffectedRows, threads, db_name, superTblInfo->sTblName, superTblInfo->totalRowsInserted / t);
+  fprintf(g_fpOfInsertResult, "Spent %.4f seconds to insert rows: %"PRId64", affected rows: %"PRId64" with %d thread(s) into %s.%s. %2.f records/second\n\n", 
+          t, superTblInfo->totalRowsInserted, superTblInfo->totalAffectedRows, threads, db_name, superTblInfo->sTblName, superTblInfo->totalRowsInserted / t);
 
 
   printf("insert delay, avg: %10.6fms, max: %10.6fms, min: %10.6fms\n\n",