本文主要是介绍Linux网络性能评估工具iperf，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
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测试网络带宽
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支持多线程，在客户端与服务端支持多重连接
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报告MSS/MTU值大小
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支持TCP窗口值自定义并可通过套接字缓冲
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可以设置指定带宽的UDP数据流
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可以测试网络抖动值、丢包数
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支持多播测试
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支持多线程，在客户端与服务器端支持多重连接
| 1 2 3 4 | [root@web1 ~] # tar zxf iperf-3.1.2-source.tar.gz [root@web1 ~] # cd iperf-3.1.2 [root@web1 iperf-3.1.2] # ./configure [root@web1 iperf-3.1.2] # make && make install |
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 | [root@web1 ~] # iperf3 -h Usage: iperf [-s|-c host] [options] iperf [-h|--help] [- v |--version] Server or Client: -p, --port # server port to listen on/connect to -f, -- format [kmgKMG] format to report: Kbits, Mbits, KBytes, MBytes -i, --interval # seconds between periodic bandwidth reports -F, -- file name xmit /recv the specified file -A, --affinity n /n ,m set CPU affinity -B, --bind <host> bind to a specific interface -V, --verbose more detailed output -J, --json output in JSON format --logfile f send output to a log file -d, --debug emit debugging output - v , --version show version information and quit -h, --help show this message and quit Server specific: -s, --server run in server mode -D, --daemon run the server as a daemon -I, --pidfile file write PID file -1, --one-off handle one client connection then exit Client specific: -c, --client <host> run in client mode, connecting to <host> -u, --udp use UDP rather than TCP -b, --bandwidth #[KMG][/#] target bandwidth in bits/sec (0 for unlimited) (default 1 Mbit /sec for UDP, unlimited for TCP) (optional slash and packet count for burst mode) -t, -- time # time in seconds to transmit for (default 10 secs) -n, --bytes #[KMG] number of bytes to transmit (instead of -t) -k, --blockcount #[KMG] number of blocks (packets) to transmit (instead of -t or -n) -l, --len #[KMG] length of buffer to read or write (default 128 KB for TCP, 8 KB for UDP) --cport <port> bind to a specific client port (TCP and UDP, default: ephemeral port) -P, --parallel # number of parallel client streams to run -R, --reverse run in reverse mode (server sends, client receives) -w, --window #[KMG] set window size / socket buffer size -C, --congestion <algo> set TCP congestion control algorithm (Linux and FreeBSD only) -M, -- set -mss # set TCP/SCTP maximum segment size (MTU - 40 bytes) -N, --no-delay set TCP /SCTP no delay, disabling Nagle's Algorithm -4, --version4 only use IPv4 -6, --version6 only use IPv6 -S, --tos N set the IP 'type of service' -L, --flowlabel N set the IPv6 flow label (only supported on Linux) -Z, --zerocopy use a 'zero copy' method of sending data -O, --omit N omit the first n seconds -T, --title str prefix every output line with this string --get-server-output get results from server --udp-counters-64bit use 64-bit counters in UDP test packets [KMG] indicates options that support a K /M/G suffix for kilo-, mega-, or giga- iperf3 homepage at: http: //software .es.net /iperf/ Report bugs to: https: //github .com /esnet/iperf |
服务端自动接收客户端的连接请求
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | ##指定20秒内每隔5秒输出一次结果 [root@web2 ~] # iperf3 -c 192.168.1.250 -t 20 -i 5 Connecting to host 192.168.1.250, port 5201 [ 4] local 192.168.1.209 port 55780 connected to 192.168.1.250 port 5201 [ ID] Interval Transfer Bandwidth Retr Cwnd [ 4] 0.00-5.00 sec 1.79 GBytes 3.07 Gbits /sec 0 1.07 MBytes [ 4] 5.00-10.00 sec 1.85 GBytes 3.18 Gbits /sec 0 1.16 MBytes [ 4] 10.00-15.00 sec 1.83 GBytes 3.14 Gbits /sec 0 1.20 MBytes [ 4] 15.00-20.00 sec 1.78 GBytes 3.06 Gbits /sec 0 1.24 MBytes - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bandwidth Retr [ 4] 0.00-20.00 sec 7.25 GBytes 3.11 Gbits /sec 0 sender [ 4] 0.00-20.00 sec 7.24 GBytes 3.11 Gbits /sec receiver iperf Done. |
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | #指定发送一个5GB左右的数据包，并且每隔2秒输出状态结果 [root@web2 ~] # iperf3 -c 192.168.1.250 -i 2 -n 5000000000 Connecting to host 192.168.1.250, port 5201 [ 4] local 192.168.1.209 port 56432 connected to 192.168.1.250 port 5201 [ ID] Interval Transfer Bandwidth Retr Cwnd [ 4] 0.00-2.00 sec 758 MBytes 3.18 Gbits /sec 0 952 KBytes [ 4] 2.00-4.00 sec 769 MBytes 3.23 Gbits /sec 0 984 KBytes [ 4] 4.00-6.00 sec 757 MBytes 3.17 Gbits /sec 0 1.01 MBytes [ 4] 6.00-8.00 sec 684 MBytes 2.87 Gbits /sec 0 1.05 MBytes [ 4] 8.00-10.00 sec 734 MBytes 3.08 Gbits /sec 0 1.08 MBytes [ 4] 10.00-12.00 sec 754 MBytes 3.16 Gbits /sec 0 1.11 MBytes [ 4] 12.00-12.88 sec 313 MBytes 2.99 Gbits /sec 0 1.12 MBytes - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bandwidth Retr [ 4] 0.00-12.88 sec 4.66 GBytes 3.11 Gbits /sec 0 sender [ 4] 0.00-12.88 sec 4.65 GBytes 3.10 Gbits /sec receiver iperf Done. |
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | ##指定一个文件传输（-F） [root@web2 ~] # du -sh ntopng-2.2.tar.gz 88M ntopng-2.2. tar .gz [root@web2 ~] # iperf3 -c 192.168.1.250 -F ntopng-2.2.tar.gz -t 20-i 2 Connecting to host 192.168.1.250, port 5201 [ 4] local 192.168.1.209 port 56948 connected to 192.168.1.250 port 5201 [ ID] Interval Transfer Bandwidth Retr Cwnd [ 4] 0.00-0.12 sec 36.7 MBytes 2.47 Gbits /sec 0 420 KBytes - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bandwidth Retr [ 4] 0.00-0.12 sec 36.7 MBytes 2.47 Gbits /sec 0 sender Sent 36.7 MByte / 87.1 MByte (42%) of ntopng-2.2. tar .gz [ 4] 0.00-0.12 sec 34.9 MBytes 2.36 Gbits /sec receiver iperf Done. |
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | #使用单线程传输，传输10GB的数据一共消耗了27.36秒，平均速率为350 MBytes/sec [root@web2 ~] # iperf3 -c 192.168.1.250 -n 10000000000 -i 5 -f M Connecting to host 192.168.1.250, port 5201 [ 4] local 192.168.1.209 port 57348 connected to 192.168.1.250 port 5201 [ ID] Interval Transfer Bandwidth Retr Cwnd [ 4] 0.00-5.00 sec 1.58 GBytes 324 MBytes /sec 0 1.11 MBytes [ 4] 5.00-10.00 sec 1.62 GBytes 333 MBytes /sec 0 1.21 MBytes [ 4] 10.00-15.00 sec 1.65 GBytes 339 MBytes /sec 0 1.27 MBytes [ 4] 15.00-20.00 sec 1.76 GBytes 361 MBytes /sec 0 1.31 MBytes [ 4] 20.00-25.00 sec 1.82 GBytes 373 MBytes /sec 37 1.32 MBytes [ 4] 25.00-27.36 sec 886 MBytes 376 MBytes /sec 0 1.35 MBytes - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bandwidth Retr [ 4] 0.00-27.36 sec 9.31 GBytes 349 MBytes /sec 37 sender [ 4] 0.00-27.36 sec 9.31 GBytes 348 MBytes /sec receiver iperf Done. |
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | [root@web2 ~] # iperf3 -c 192.168.1.250 -n 10000000000 -i 5 Connecting to host 192.168.1.250, port 5201 [ 4] local 192.168.1.209 port 57585 connected to 192.168.1.250 port 5201 [ ID] Interval Transfer Bandwidth Retr Cwnd [ 4] 0.00-5.00 sec 1.87 GBytes 3.21 Gbits /sec 0 990 KBytes [ 4] 5.00-10.00 sec 1.87 GBytes 3.22 Gbits /sec 0 1.04 MBytes [ 4] 10.00-15.00 sec 1.81 GBytes 3.12 Gbits /sec 0 1.12 MBytes [ 4] 15.00-20.00 sec 1.75 GBytes 3.01 Gbits /sec 0 1.20 MBytes [ 4] 20.00-25.00 sec 1.76 GBytes 3.03 Gbits /sec 14 1.37 MBytes [ 4] 25.00-25.81 sec 245 MBytes 2.53 Gbits /sec 0 1.38 MBytes - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bandwidth Retr [ 4] 0.00-25.81 sec 9.31 GBytes 3.10 Gbits /sec 14 sender [ 4] 0.00-25.81 sec 9.31 GBytes 3.10 Gbits /sec receiver iperf Done. |
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 | [root@web2 ~] # iperf3 -c 192.168.1.250 -n 10000000000 -i 5 -P 2 -f M Connecting to host 192.168.1.250, port 5201 [ 4] local 192.168.1.209 port 57751 connected to 192.168.1.250 port 5201 [ 6] local 192.168.1.209 port 57752 connected to 192.168.1.250 port 5201 [ ID] Interval Transfer Bandwidth Retr Cwnd [ 4] 0.00-5.00 sec 905 MBytes 181 MBytes /sec 0 585 KBytes [ 6] 0.00-5.00 sec 903 MBytes 181 MBytes /sec 0 602 KBytes [SUM] 0.00-5.00 sec 1.77 GBytes 362 MBytes /sec 0 - - - - - - - - - - - - - - - - - - - - - - - - - [ 4] 5.00-10.00 sec 917 MBytes 183 MBytes /sec 0 687 KBytes [ 6] 5.00-10.00 sec 917 MBytes 183 MBytes /sec 0 704 KBytes [SUM] 5.00-10.00 sec 1.79 GBytes 367 MBytes /sec 0 - - - - - - - - - - - - - - - - - - - - - - - - - [ 4] 10.00-15.00 sec 929 MBytes 186 MBytes /sec 0 723 KBytes [ 6] 10.00-15.00 sec 929 MBytes 186 MBytes /sec 0 735 KBytes [SUM] 10.00-15.00 sec 1.81 GBytes 372 MBytes /sec 0 - - - - - - - - - - - - - - - - - - - - - - - - - [ 4] 15.00-20.00 sec 921 MBytes 184 MBytes /sec 0 745 KBytes [ 6] 15.00-20.00 sec 920 MBytes 184 MBytes /sec 0 759 KBytes [SUM] 15.00-20.00 sec 1.80 GBytes 368 MBytes /sec 0 - - - - - - - - - - - - - - - - - - - - - - - - - [ 4] 20.00-25.00 sec 919 MBytes 184 MBytes /sec 0 782 KBytes [ 6] 20.00-25.00 sec 919 MBytes 184 MBytes /sec 0 802 KBytes [SUM] 20.00-25.00 sec 1.79 GBytes 368 MBytes /sec 0 - - - - - - - - - - - - - - - - - - - - - - - - - [ 4] 25.00-25.97 sec 179 MBytes 184 MBytes /sec 0 785 KBytes [ 6] 25.00-25.97 sec 180 MBytes 185 MBytes /sec 0 803 KBytes [SUM] 25.00-25.97 sec 359 MBytes 369 MBytes /sec 0 - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bandwidth Retr [ 4] 0.00-25.97 sec 4.66 GBytes 184 MBytes /sec 0 sender [ 4] 0.00-25.97 sec 4.65 GBytes 183 MBytes /sec receiver [ 6] 0.00-25.97 sec 4.66 GBytes 184 MBytes /sec 0 sender [ 6] 0.00-25.97 sec 4.65 GBytes 183 MBytes /sec receiver [SUM] 0.00-25.97 sec 9.31 GBytes 367 MBytes /sec 0 sender [SUM] 0.00-25.97 sec 9.30 GBytes 367 MBytes /sec receiver iperf Done. |
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | [root@web2 ~] # iperf3 -c 192.168.1.250 -u -b 1G -f M -i 2 Connecting to host 192.168.1.250, port 5201 [ 4] local 192.168.1.209 port 45424 connected to 192.168.1.250 port 5201 [ ID] Interval Transfer Bandwidth Total Datagrams [ 4] 0.00-2.00 sec 81.1 MBytes 40.5 MBytes /sec 10377 [ 4] 2.00-4.00 sec 94.5 MBytes 47.3 MBytes /sec 12102 [ 4] 4.00-6.00 sec 94.6 MBytes 47.3 MBytes /sec 12107 [ 4] 6.00-8.00 sec 103 MBytes 51.5 MBytes /sec 13192 [ 4] 8.00-10.00 sec 93.6 MBytes 46.8 MBytes /sec 11983 - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bandwidth Jitter Lost /Total Datagrams [ 4] 0.00-10.00 sec 467 MBytes 46.7 MBytes /sec 0.037 ms 435 /59760 (0.73%) [ 4] Sent 59760 datagrams iperf Done. |
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | #在服务端的输出 Accepted connection from 192.168.1.209, port 58179 [ 5] local 192.168.1.250 port 5201 connected to 192.168.1.209 port 45424 [ ID] Interval Transfer Bandwidth Jitter Lost /Total Datagrams [ 5] 0.00-1.00 sec 35.6 MBytes 299 Mbits /sec 0.054 ms 29 /4590 (0.63%) [ 5] 1.00-2.00 sec 43.0 MBytes 361 Mbits /sec 0.071 ms 30 /5533 (0.54%) [ 5] 2.00-3.00 sec 48.4 MBytes 406 Mbits /sec 0.154 ms 29 /6225 (0.47%) [ 5] 3.00-4.00 sec 45.6 MBytes 382 Mbits /sec 0.026 ms 6 /5837 (0.1%) [ 5] 4.00-5.00 sec 47.3 MBytes 397 Mbits /sec 0.168 ms 124 /6183 (2%) [ 5] 5.00-6.00 sec 46.1 MBytes 387 Mbits /sec 0.023 ms 40 /5941 (0.67%) [ 5] 6.00-7.00 sec 49.0 MBytes 411 Mbits /sec 0.022 ms 48 /6322 (0.76%) [ 5] 7.00-8.00 sec 53.1 MBytes 446 Mbits /sec 0.037 ms 67 /6867 (0.98%) [ 5] 8.00-9.00 sec 44.9 MBytes 376 Mbits /sec 0.163 ms 26 /5769 (0.45%) [ 5] 9.00-10.00 sec 48.4 MBytes 406 Mbits /sec 0.015 ms 36 /6232 (0.58%) [ 5] 10.00-10.04 sec 2.04 MBytes 426 Mbits /sec 0.037 ms 0 /261 (0%) - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bandwidth Jitter Lost /Total Datagrams [ 5] 0.00-10.04 sec 0.00 Bytes 0.00 bits /sec 0.037 ms 435 /59760 (0.73%) ----------------------------------------------------------- Server listening on 5201 ----------------------------------------------------------- |
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