timing issues

implementation/mininet_controller.py

@@ -312,10 +312,11 @@ def measure_packet_flow(net, client, server, server_ip, flow_measurement_targets
     net[server].cmd(iperf_server_command)
     sleep(1)
     net[client].cmd(
-        f"iperf3 -c {server_ip} -b 0 -f m -i {interval} -t {length+2} {client_type_string} > {tmp_file_name}_client.out &")
+        f"iperf3 -c {server_ip} -b 0 -f m -i {interval} -t {length+3} {client_type_string} > {tmp_file_name}_client.out &")
+    sleep(2)
     start_packet_counter_timers(net, interval, length, unique_test_name, test_prefix, test_type, timestamp)
 
-    sleep(length + 10)
+    sleep(length + 2)
     # make sure packet counters ran out
 
     info("\nStopping iPerf server...")

implementation/topologies/4r4h_topo.py

@@ -387,7 +387,7 @@ class FourRoutersFourHosts(CustomTopo):
                 "failures": [
                     {
                         "type": "timer",
-                        "timing": 17.1,
+                        "timing": 19.1,
                         "execute": {
                             "use_pre_defined_function": True,
                             "command": (
@@ -413,7 +413,7 @@ class FourRoutersFourHosts(CustomTopo):
                 "failures": [
                     {
                         "type": "timer",
-                        "timing": 17.1,
+                        "timing": 19.1,
                         "execute": {
                             "use_pre_defined_function": True,
                             "command": (

implementation/topologies/6r4h_topo.py

@@ -384,7 +384,7 @@ class SixRoutersFourHosts(CustomTopo):
                 "failures": [
                     {
                         "type": "timer",
-                        "timing": 17.1,
+                        "timing": 19.1,
                         "execute": {
                             "use_pre_defined_function": True,
                             "command": (
@@ -441,7 +441,7 @@ class SixRoutersFourHosts(CustomTopo):
                 "failures": [
                     {
                         "type": "timer",
-                        "timing": 17.1,
+                        "timing": 19.1,
                         "execute": {
                             "use_pre_defined_function": True,
                             "command": (

implementation/topologies/8r4h_topo.py

@@ -531,7 +531,7 @@ class EightRoutersFourHosts(CustomTopo):
                 "failures": [
                     {
                         "type": "timer",
-                        "timing": 17.1,
+                        "timing": 19.1,
                         "execute": {
                             "use_pre_defined_function": True,
                             "command": (
@@ -585,7 +585,7 @@ class EightRoutersFourHosts(CustomTopo):
                 "failures": [
                     {
                         "type": "timer",
-                        "timing": 17.1,
+                        "timing": 19.1,
                         "execute": {
                             "use_pre_defined_function": True,
                             "command": (