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#309 UDP summing broken: including wrong sum time and value for udp -d test

2.0
accepted
Robert McMahon
None
2024-04-12
2024-04-12
Przemo
No 
./iperf -v
iperf version 2.2.0-rc (9 April 2024) pthreads

./iperf -s -i1 -u

./iperf -c 192.168.64.253 -i 1 -b 10M -d -u
------------------------------------------------------------
Client connecting to 192.168.64.253, UDP port 5001
Sending 1470 byte datagrams, IPG target: 0.00 us (kalman adjust)
UDP buffer size:  208 KByte (default)
------------------------------------------------------------
------------------------------------------------------------
Server listening on UDP port 5001
UDP buffer size:  208 KByte (default)
------------------------------------------------------------
[  1] local 192.168.64.250 port 40068 connected with 192.168.64.253 port 5001
[  2] local 192.168.64.250 port 5001 connected with 192.168.64.253 port 47284
[ ID] Interval       Transfer     Bandwidth        Jitter   Lost/Total Datagrams
[  2] 0.00-1.00 sec  1.25 MBytes  10.5 Mbits/sec   0.060 ms 0/892 (0%)
[ ID] Interval       Transfer     Bandwidth
[  1] 0.00-1.00 sec  1.25 MBytes  10.5 Mbits/sec
[SUM] 0.00-1.00 sec  2.50 MBytes  21.0 Mbits/sec
[  2] 1.00-2.00 sec  1.25 MBytes  10.5 Mbits/sec   0.070 ms 0/892 (0%)
[SUM] 1.00-2.00 sec  1.25 MBytes  10.5 Mbits/sec
[  1] 1.00-2.00 sec  1.25 MBytes  10.5 Mbits/sec
[SUM] 2.00-3.00 sec  1.25 MBytes  10.5 Mbits/sec
[  2] 2.00-3.00 sec  1.25 MBytes  10.5 Mbits/sec   0.045 ms 0/892 (0%)
[SUM] 3.00-4.00 sec  1.25 MBytes  10.5 Mbits/sec
[  1] 2.00-3.00 sec  1.25 MBytes  10.5 Mbits/sec
[SUM] 4.00-5.00 sec  1.25 MBytes  10.5 Mbits/sec
[  2] 3.00-4.00 sec  1.25 MBytes  10.5 Mbits/sec   0.060 ms 0/891 (0%)
[SUM] 5.00-6.00 sec  1.25 MBytes  10.5 Mbits/sec
[  1] 3.00-4.00 sec  1.25 MBytes  10.5 Mbits/sec
[SUM] 6.00-7.00 sec  1.25 MBytes  10.5 Mbits/sec
[  2] 4.00-5.00 sec  1.25 MBytes  10.5 Mbits/sec   0.046 ms 0/892 (0%)
[SUM] 7.00-8.00 sec  1.25 MBytes  10.5 Mbits/sec
[  1] 4.00-5.00 sec  1.25 MBytes  10.5 Mbits/sec
[SUM] 8.00-9.00 sec  1.25 MBytes  10.5 Mbits/sec
[  2] 5.00-6.00 sec  1.25 MBytes  10.5 Mbits/sec   0.034 ms 0/892 (0%)
[SUM] 9.00-10.00 sec  1.25 MBytes  10.5 Mbits/sec
[  1] 5.00-6.00 sec  1.25 MBytes  10.5 Mbits/sec
[SUM] 10.00-11.00 sec  1.25 MBytes  10.5 Mbits/sec
[  2] 6.00-7.00 sec  1.25 MBytes  10.5 Mbits/sec   0.019 ms 0/891 (0%)
[SUM] 11.00-12.00 sec  1.25 MBytes  10.5 Mbits/sec
[  1] 6.00-7.00 sec  1.25 MBytes  10.5 Mbits/sec
[SUM] 12.00-13.00 sec  1.25 MBytes  10.5 Mbits/sec
[  2] 7.00-8.00 sec  1.25 MBytes  10.5 Mbits/sec   0.027 ms 0/892 (0%)
[SUM] 13.00-14.00 sec  1.25 MBytes  10.5 Mbits/sec
[  1] 7.00-8.00 sec  1.25 MBytes  10.5 Mbits/sec
[SUM] 14.00-15.00 sec  1.25 MBytes  10.5 Mbits/sec
[  1] 8.00-9.00 sec  1.25 MBytes  10.5 Mbits/sec
[SUM] 15.00-16.00 sec  1.25 MBytes  10.5 Mbits/sec
[  2] 8.00-9.00 sec  1.25 MBytes  10.5 Mbits/sec   0.079 ms 0/891 (0%)
[SUM] 16.00-17.00 sec  1.25 MBytes  10.5 Mbits/sec
[  2] 9.00-10.00 sec  1.25 MBytes  10.5 Mbits/sec   0.028 ms 0/892 (0%)
[SUM] 17.00-18.00 sec  1.25 MBytes  10.5 Mbits/sec
[  1] 9.00-10.00 sec  1.25 MBytes  10.5 Mbits/sec
[SUM] 18.00-19.00 sec  1.25 MBytes  10.5 Mbits/sec
[  2] 0.00-10.00 sec  12.5 MBytes  10.5 Mbits/sec   0.044 ms 0/8919 (0%)
[  1] 0.00-10.00 sec  12.5 MBytes  10.5 Mbits/sec
[  1] Sent 8921 datagrams
[SUM] 0.00-10.00 sec  25.0 MBytes  21.0 Mbits/sec
[SUM-2] Sent 17840 datagrams
[  1] Server Report:
[ ID] Interval       Transfer     Bandwidth        Jitter   Lost/Total Datagrams
[  1] 0.00-10.00 sec  12.5 MBytes  10.5 Mbits/sec   0.000 ms 0/8920 (0%)
[  4] WARNING: ack of last datagram failed.

Discussion

  • Przemo

    Przemo - 2024-04-12

    And the question is whether it should display SUM after each interval at all or only at the end of test?

     

  • Robert McMahon

    Robert McMahon - 2024-04-12
    • status: open --> accepted
    • assigned_to: Robert McMahon
     

  • Robert McMahon

    Robert McMahon - 2024-04-12
    • summary: wrong sum time and value for udp -d test --> UDP summing broken: including wrong sum time and value for udp -d test
     

  • Robert McMahon

    Robert McMahon - 2024-04-12

    Fix is here and also in master. Will be part of the 2.1.1 release to be released within a few weeks.

     

  • Przemo

    Przemo - 2024-04-12

    seems ok after fix

    /iperf  -v
iperf version 2.2.n (12 April 2024) pthreads
./iperf -c 192.168.64.253 -b 10M -u -i1 -d
------------------------------------------------------------
Client connecting to 192.168.64.253, UDP port 5001
Sending 1470 byte datagrams, IPG target: 0.00 us (kalman adjust)
UDP buffer size:  208 KByte (default)
------------------------------------------------------------
------------------------------------------------------------
Server listening on UDP port 5001
UDP buffer size:  208 KByte (default)
------------------------------------------------------------
[  1] local 192.168.64.250 port 44273 connected with 192.168.64.253 port 5001
[  2] local 192.168.64.250 port 5001 connected with 192.168.64.253 port 36121
[ ID] Interval       Transfer     Bandwidth        Jitter   Lost/Total Datagrams
[  2] 0.00-1.00 sec  1.25 MBytes  10.5 Mbits/sec   0.029 ms 0/892 (0%)
[ ID] Interval       Transfer     Bandwidth
[  1] 0.00-1.00 sec  1.25 MBytes  10.5 Mbits/sec
[SUM] 0.00-1.00 sec  2.50 MBytes  21.0 Mbits/sec
[  2] 1.00-2.00 sec  1.25 MBytes  10.5 Mbits/sec   0.024 ms 0/892 (0%)
[  1] 1.00-2.00 sec  1.25 MBytes  10.5 Mbits/sec
[SUM] 1.00-2.00 sec  2.50 MBytes  21.0 Mbits/sec
[  2] 2.00-3.00 sec  1.25 MBytes  10.5 Mbits/sec   0.035 ms 0/891 (0%)
[  1] 2.00-3.00 sec  1.25 MBytes  10.5 Mbits/sec
[SUM] 2.00-3.00 sec  2.50 MBytes  21.0 Mbits/sec
[  2] 3.00-4.00 sec  1.25 MBytes  10.5 Mbits/sec   0.027 ms 0/892 (0%)
[  1] 3.00-4.00 sec  1.25 MBytes  10.5 Mbits/sec
[SUM] 3.00-4.00 sec  2.50 MBytes  21.0 Mbits/sec
[  1] 4.00-5.00 sec  1.25 MBytes  10.5 Mbits/sec
[  2] 4.00-5.00 sec  1.25 MBytes  10.5 Mbits/sec   0.023 ms 0/892 (0%)
[SUM] 4.00-5.00 sec  2.50 MBytes  21.0 Mbits/sec
[  2] 5.00-6.00 sec  1.25 MBytes  10.5 Mbits/sec   0.027 ms 0/891 (0%)
[  1] 5.00-6.00 sec  1.25 MBytes  10.5 Mbits/sec
[SUM] 5.00-6.00 sec  2.50 MBytes  21.0 Mbits/sec
[  2] 6.00-7.00 sec  1.25 MBytes  10.5 Mbits/sec   0.043 ms 0/892 (0%)
[  1] 6.00-7.00 sec  1.25 MBytes  10.5 Mbits/sec
[SUM] 6.00-7.00 sec  2.50 MBytes  21.0 Mbits/sec
[  2] 7.00-8.00 sec  1.25 MBytes  10.5 Mbits/sec   0.024 ms 0/892 (0%)
[  1] 7.00-8.00 sec  1.25 MBytes  10.5 Mbits/sec
[SUM] 7.00-8.00 sec  2.50 MBytes  21.0 Mbits/sec
[  1] 8.00-9.00 sec  1.25 MBytes  10.5 Mbits/sec
[  2] 8.00-9.00 sec  1.25 MBytes  10.5 Mbits/sec   0.039 ms 0/891 (0%)
[SUM] 8.00-9.00 sec  2.50 MBytes  21.0 Mbits/sec
[  2] 9.00-10.00 sec  1.25 MBytes  10.5 Mbits/sec   0.030 ms 0/892 (0%)
[  1] 9.00-10.00 sec  1.25 MBytes  10.5 Mbits/sec
[SUM] 9.00-10.00 sec  2.50 MBytes  21.0 Mbits/sec
[  2] 0.00-10.00 sec  12.5 MBytes  10.5 Mbits/sec   0.031 ms 0/8919 (0%)
[  1] 0.00-10.00 sec  12.5 MBytes  10.5 Mbits/sec
[  1] Sent 8921 datagrams
[SUM] 0.00-10.00 sec  25.0 MBytes  21.0 Mbits/sec
[SUM-2] Sent 17840 datagrams
[  1] Server Report:
[ ID] Interval       Transfer     Bandwidth        Jitter   Lost/Total Datagrams
[  1] 0.00-10.00 sec  12.5 MBytes  10.5 Mbits/sec   0.000 ms 0/8920 (0%)
     

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