Screen dump using SIGUSR2 is incomplete and inconsistent

[biscuitkhan]

Screen dump using SIGUSR2 is incomplete and inconsistent.
Two dumps of the same run are pasted below.

Output of the first dump of the run:

cat 218_screen.log

-------------------------+---------------------------+--------------------------
Response Time 1 | 00:00:00:000000 | 00:00:00:000000
Call Length | 00:00:00:000000 | 00:00:00:000000
------- Waiting for active calls to end. Press [q] again to force exit. -------
---------------------------- Repartition Screen ------- [1-9]: Change Screen --
Average Response Time Repartition 1
0 ms <= n < 10 ms : 0
10 ms <= n < 20 ms : 0
20 ms <= n < 30 ms : 0
30 ms <= n < 40 ms : 0
40 ms <= n < 50 ms : 0
50 ms <= n < 100 ms : 0
100 ms <= n < 150 ms : 0
150 ms <= n < 200 ms : 5
n >= 200 ms : 0
Average Call Length Repartition
0 ms <= n < 10 ms : 0
10 ms <= n < 50 ms : 0
50 ms <= n < 100 ms : 0
100 ms <= n < 500 ms : 0
500 ms <= n < 1000 ms : 0
1000 ms <= n < 5000 ms : 0
5000 ms <= n < 10000 ms : 0
n >= 10000 ms : 0
------- Waiting for active calls to end. Press [q] again to force exit. -------
------------------------------ Scenario Screen -------- [1-9]: Change Screen --
Call rate (length) Port Total-time Total-calls Remote-host
2.0(300000 ms)/1.000s 5218 51.85 s 5 10.32.18.218:5060(UDP

Call limit 5 hit, 7.8 s period 1 ms scheduler resolution
5 calls (limit 10000) Peak was 5 calls, after 2 s
0 Running, 7 Paused, 140 Woken up
0 dead call msg (discarded) 0 out-of-call msg (discarded)
3 open sockets 0/0/0 UDP errors (send/recv/cong)
0 Total RTP pckts sent 0.000 last period RTP rate (kB/s)

                             Messages  Retrans   Timeout   Unexpected-Msg

0 : INVITE ----------> 5 0 0
1 : 100 <---------- 0 0 0 0
2 : 180 <---------- 10 0 0 0
3 : 183 <---------- 0 0 0 0
4 : 200 <---------- E-RTD1 5 0 0 0
5 : ACK ----------> 5 0
6 : Pause [ 5:00] 5 0
7 : BYE ----------> 0 0 0
8 : 200 <---------- 0 0 0 0

------- Waiting for active calls to end. Press [q] again to force exit. -------
----------------------------- Statistics Screen ------- [1-9]: Change Screen --
Start Time | 2023-11-07 14:36:20.350798 1699385780.350798
Last Reset Time | 2023-11-07 14:37:11.426200 1699385831.426200
Current Time | 2023-11-07 14:37:12.211820 1699385832.211820
-------------------------+---------------------------+--------------------------
Counter Name | Periodic value | Cumulative value
-------------------------+---------------------------+--------------------------
Elapsed Time | 00:00:00:785000 | 00:00:00:785000
Call Rate | 0.000 cps | 0.096 cps
-------------------------+---------------------------+--------------------------
Incoming calls created | 0 | 0
Outgoing calls created | 0 | 5
Total Calls created | | 5

Output when the screen is dumped again:

cat 218_screen.log

-------------------------+---------------------------+--------------------------
Response Time 1 | 00:00:00:000000 | 00:00:00:000000
Call Length | 00:00:00:000000 | 00:00:00:000000
------- Waiting for active calls to end. Press [q] again to force exit. -------
---------------------------- Repartition Screen ------- [1-9]: Change Screen --
Average Response Time Repartition 1
0 ms <= n < 10 ms : 0
10 ms <= n < 20 ms : 0
20 ms <= n < 30 ms : 0
30 ms <= n < 40 ms : 0
40 ms <= n < 50 ms : 0
50 ms <= n < 100 ms : 0
100 ms <= n < 150 ms : 0
150 ms <= n < 200 ms : 5
n >= 200 ms : 0
Average Call Length Repartition
0 ms <= n < 10 ms : 0
10 ms <= n < 50 ms : 0
50 ms <= n < 100 ms : 0
100 ms <= n < 500 ms : 0
500 ms <= n < 1000 ms : 0
1000 ms <= n < 5000 ms : 0
5000 ms <= n < 10000 ms : 0
n >= 10000 ms : 0
------- Waiting for active calls to end. Press [q] again to force exit. -------
------------------------------ Scenario Screen -------- [1-9]: Change Screen --
Call rate (length) Port Total-time Total-calls Remote-host
2.0(300000 ms)/1.000s 5218 51.85 s 5 10.32.18.218:5060(UDP

Call limit 5 hit, 7.8 s period 1 ms scheduler resolution
5 calls (limit 10000) Peak was 5 calls, after 2 s
0 Running, 7 Paused, 140 Woken up
0 dead call msg (discarded) 0 out-of-call msg (discarded)
3 open sockets 0/0/0 UDP errors (send/recv/cong)
0 Total RTP pckts sent 0.000 last period RTP rate (kB/s)

                             Messages  Retrans   Timeout   Unexpected-Msg

0 : INVITE ----------> 5 0 0
1 : 100 <---------- 0 0 0 0
2 : 180 <---------- 10 0 0 0
3 : 183 <---------- 0 0 0 0
4 : 200 <---------- E-RTD1 5 0 0 0
5 : ACK ----------> 5 0
6 : Pause [ 5:00] 5 0
7 : BYE ----------> 0 0 0
8 : 200 <---------- 0 0 0 0

------- Waiting for active calls to end. Press [q] again to force exit. -------
----------------------------- Statistics Screen ------- [1-9]: Change Screen --
Start Time | 2023-11-07 14:36:20.350798 1699385780.350798
Last Reset Time | 2023-11-07 14:37:11.426200 1699385831.426200
Current Time | 2023-11-07 14:37:12.211820 1699385832.211820
-------------------------+---------------------------+--------------------------
Counter Name | Periodic value | Cumulative value
-------------------------+---------------------------+--------------------------
Elapsed Time | 00:00:00:785000 | 00:00:00:785000
Call Rate | 0.000 cps | 0.096 cps
-------------------------+---------------------------+--------------------------
Incoming calls created | 0 | 0
Outgoing calls created | 0 | 5
Total Calls created | | 5