很抱歉问这个话题,但是在阅读了工具的文档和我的问题的类似票(https://github.com/esnet/iperf/issues/343)之后,我仍然不太明白/不知道的含义TCP 测量中的 Retr 列,我不知道如何“使用”它:-(
假设有一个结果,如下所示,5 次重试。我知道了,这些是重传的 TCP 段数,但是这些重传是成功的,还是只是重试发送而不知道结果?
如果我想在最后看到某种百分比 (%) 的总和,该工具可以打印它吗,类似于 UDP 测量?如果没有,我怎样才能得到发送/接收段的总和来计算故障率?
工具版本:
>batman@bat-image:~$ iperf3 -v
iperf 3.8.1 (cJSON 1.7.13)
Linux bat-image 4.15.0-106-generic #107-Ubuntu SMP Thu Jun 4 11:27:52 UTC 2020 x86_64
Optional features available: CPU affinity setting, IPv6 flow label, TCP congestion algorithm setting, sendfile / zerocopy, socket pacing
batman@bat-image:~$
操作系统:
Ubuntu-18.04
batman@bat-image:~$ uname -aLinux bat-image 4.15.0-106-generic #107-Ubuntu SMP Thu Jun 4 11:27:52 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
batman@bat-image:~$
日志:
batman@bat-image:~$iperf3 -c 192.168.122.1 -f K -B 192.168.122.141 -b 10m -t 10
Connecting to host 192.168.122.1, port 5201
[ 5] local 192.168.122.141 port 34665 connected to 192.168.122.1 port 5201
[ ID] Interval Transfer Bitrate Retr Cwnd
[ 5] 0.00-1.00 sec 1.25 MBytes 10.5 Mbits/sec 0 297 KBytes
[ 5] 1.00-2.00 sec 1.25 MBytes 10.5 Mbits/sec 0 297 KBytes
[ 5] 2.00-3.00 sec 1.12 MBytes 9.43 Mbits/sec 0 297 KBytes
[ 5] 3.00-4.00 sec 1.25 MBytes 10.5 Mbits/sec 0 297 KBytes
[ 5] 4.00-5.00 sec 1.12 MBytes 9.43 Mbits/sec 0 297 KBytes
[ 5] 5.00-6.00 sec 1.25 MBytes 10.5 Mbits/sec 0 297 KBytes
[ 5] 6.00-7.00 sec 1.12 MBytes 9.44 Mbits/sec 2 1.41 KBytes
[ 5] 7.00-8.00 sec 512 KBytes 4.19 Mbits/sec 1 1.41 KBytes
[ 5] 8.00-9.00 sec 0.00 Bytes 0.00 Mbits/sec 1 1.41 KBytes
[ 5] 9.00-10.00 sec 0.00 Bytes 0.00 Mbits/sec 1 1.41 KBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-10.00 sec 8.87 MBytes 7.44 Mbits/sec 5 sender
[ 5] 0.00-16.91 sec 7.62 MBytes 3.78 Mbits/sec receiver
iperf Done.
感谢您的帮助,
/罗比