Fix throughput calculation

tools/load_tester.cpp

@@ -772,15 +772,13 @@ int main(int argc, char *argv[]) {
 
   double startTime = now();
   for (double prevTime = startTime,
-              prevConnections = connectionId.load(std::memory_order_relaxed);
+              prevRequests = g_total_requests.load(std::memory_order_relaxed);
        !g_shutdown.load(std::memory_order_relaxed);) {
     sleep(g_config.stats_interval);
 
     double currTime = now();
-    double currConnections = connectionId.load(std::memory_order_relaxed);
-    double throughput = (currConnections - prevConnections) /
-                        (currTime - prevTime) *
-                        g_config.requests_per_connection;
+    double currRequests = g_total_requests.load(std::memory_order_relaxed);
+    double throughput = (currRequests - prevRequests) / (currTime - prevTime);
 
     // Get latency statistics
     uint64_t total_requests = g_total_requests.load(std::memory_order_relaxed);
@@ -807,7 +805,7 @@ int main(int argc, char *argv[]) {
     }
 
     prevTime = currTime;
-    prevConnections = currConnections;
+    prevRequests = currRequests;
   }
 
   for (auto &thread : threads) {