Logging at the end is improved.

lib/metrics.go

@@ -60,6 +60,7 @@ func UpdateMetrics(duration time.Duration, resp *http.Response, second int) {
 // Parameters:
 //   - latencies: sorted slice of request durations
 //   - percentile: desired percentile (e.g., 50 for p50, 95 for p95)
+//
 // Returns: the duration at the specified percentile
 func calculatePercentile(latencies []time.Duration, percentile float64) time.Duration {
 	if len(latencies) == 0 {
@@ -86,9 +87,6 @@ func CalculateAndPrintMetrics(startTime time.Time, requestsPerSecond float64, en
 	metrics.Mu.Lock()
 	defer metrics.Mu.Unlock()
 
-    // Save detailed per-request metrics to CSV
-    saveDetailedMetrics()
-
 	// Prepare latencies for percentile calculations
 	latencies := make([]time.Duration, len(metrics.RequestLatencies))
 	for i, metric := range metrics.RequestLatencies {
@@ -160,6 +158,7 @@ func CalculateAndPrintMetrics(startTime time.Time, requestsPerSecond float64, en
 
 	fmt.Println(results)
 	saveReport(results)
+	saveDetailedMetrics()
 }
 
 // saveDetailedMetrics writes per-request metrics to a CSV file