more update

collect.py

@@ -187,6 +187,9 @@ def collect_data(minutes, interval):
 
     for i in range(minutes):
         # Collect data using system commands
+        if i == 0:
+            print("Minute:", end="", flush=True)
+            print(f" {i}", end="", flush=True)
 
         zpoolIostat()
         coreifstat()
@@ -198,10 +201,8 @@ def collect_data(minutes, interval):
         if is_freebsd():
             coreIostat_cpu()
 
-        if i == 0:
-            print("Minute:", end="", flush=True)
-
-        print(f" {i}", end="", flush=True)
+        if i == minutes:
+            break
 
         time.sleep(interval)