#296 sum cnt incorrect

[Robert McMahon]

[rjmcmahon@fedora iperf2-code]$ iperf -c 192.168.1.35 -e --trip-times -i 1 -P 20 --sum-only  -t 2 --tcp-tx-delay 1
------------------------------------------------------------
Client connecting to 192.168.1.35, TCP port 5001 with pid 718277 (20/0 flows/load)
Write buffer size: 131072 Byte
TCP congestion control using cubic
TOS set to 0x0 (Nagle on)
TCP window size: 85.0 KByte (default)
Event based writes (pending queue watermark at 16384 bytes)
------------------------------------------------------------
[SUM-cnt] Interval        Transfer    Bandwidth       Write/Err  Rtry
[SUM-20] 0.00-1.00 sec   115 MBytes   968 Mbits/sec  923/0       421
[SUM-40] 1.00-2.04 sec   114 MBytes   919 Mbits/sec  916/0       111
[SUM-0] 0.00-2.04 sec   230 MBytes   943 Mbits/sec  1839/0       532

[Robert McMahon]

More code here and here

Note: probably have an edge level change counter instead of ignore code path. TBD