--sum-only with -P1 is broken
A means to measure network responsiveness and throughput
Brought to you by:
rjmcmahon
~~~
But this doesn't work:
ra895020@bld-ihl-bvg-06:iperf2-code$ ./src/iperf -c 127.0.0.1 -P 1 --sum-only -i 1 -t 5
Client connecting to 127.0.0.1, TCP port 5001
TCP window size: 4.00 MByte (default)
[SUM-cnt] Interval Transfer Bandwidth
[SUM-1] 0.00-1.00 sec 4.81 MBytes 40.3 Mbits/sec
[SUM-1] 1.00-2.00 sec 63.7 KBytes 522 Kbits/sec
[SUM-1] 2.00-3.00 sec 0.000 Bytes 0.000 bits/sec
[SUM-1] 3.00-4.00 sec 0.000 Bytes 0.000 bits/sec
[SUM-1] 4.00-5.00 sec 0.000 Bytes 0.000 bits/sec~~~
hmm, not seeing this on the Jan 8 version
~~~
root@rpi5-34:/usr/local/src/iperf2-code# ./src/iperf -v
iperf version 2.1.n (8 January 2024) pthreads
root@rpi5-34:/usr/local/src/iperf2-code# ./src/iperf -c 127.0.0.1 -P 1 --sum-only -i 1 -t 5
Client connecting to 127.0.0.1, TCP port 5001
TCP window size: 2.50 MByte (default)
[SUM-cnt] Interval Transfer Bandwidth
[SUM-1] 0.00-1.00 sec 5.16 GBytes 44.3 Gbits/sec
[SUM-1] 1.00-2.00 sec 5.46 GBytes 46.9 Gbits/sec
[SUM-1] 2.00-3.00 sec 5.45 GBytes 46.8 Gbits/sec
[SUM-1] 3.00-4.00 sec 5.46 GBytes 46.9 Gbits/sec
[SUM-1] 4.00-5.00 sec 5.45 GBytes 46.8 Gbits/sec~~~