FYI, I've added a network power stat to iperf 2's TCP enhanced output.
It's mostly for convenience as there is no new information. Network power
is defined as throughput / delay where the delay used is the sampled RTT
per that report interval.
Here's an example run:
[root@localhost iperf2-code]# src/iperf -c 192.168.1.1 -e -w 4m -t 60 -i 1
------------------------------------------------------------
Client connecting to 192.168.1.1, TCP port 5001 with pid 12466
Write buffer size: 128 KByte
TCP window size: 7.63 MByte (WARNING: requested 3.81 MByte)
------------------------------------------------------------
[ 3] local 192.168.1.4 port 48054 connected with 192.168.1.1 port 5001
[ ID] Interval Transfer Bandwidth Write/Err Rtry
Cwnd/RTT NetPwr
[ 3] 0.00-1.00 sec 64.0 MBytes 537 Mbits/sec 512/0 0
5212K/16528 us 4060.31
[ 3] 1.00-2.00 sec 64.8 MBytes 543 Mbits/sec 518/0 0
5212K/15457 us 4392.53
[ 3] 2.00-3.00 sec 57.2 MBytes 480 Mbits/sec 458/0 0
5212K/15308 us 3921.54
[ 3] 3.00-4.00 sec 57.2 MBytes 480 Mbits/sec 458/0 0
5212K/31605 us 1899.41
[ 3] 4.00-5.00 sec 59.6 MBytes 500 Mbits/sec 477/0 0
5212K/23022 us 2715.72
[ 3] 5.00-6.00 sec 59.9 MBytes 502 Mbits/sec 479/0 0
5212K/29732 us 2111.65
^C[ 3] 0.00-6.50 sec 394 MBytes 509 Mbits/sec 3154/0 0
5212K/14198 us 4480.10
Bob
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