qperf 网络测试工具

qperf 是测试延迟以及带宽的工具，一般的用法是一个机器使用不带参数的，另外一个机器使用qperf hostname tests或者其他命令

支持的tests

Miscellaneous

    conf                    Show configuration

    quit                    Cause the server to quit

Socket Based

    rds_bw                  RDS streaming one way bandwidth

    rds_lat                 RDS one way latency

    sctp_bw                 SCTP streaming one way bandwidth

    sctp_lat                SCTP one way latency

    tcp_bw                  TCP streaming one way bandwidth

    tcp_lat                 TCP one way latency

    udp_bw                  UDP streaming one way bandwidth

    udp_lat                 UDP one way latency

RDMA Send/Receive

    rc_bi_bw                RC streaming two way bandwidth

    rc_bw                   RC streaming one way bandwidth

    rc_lat                  RC one way latency

    uc_bi_bw                UC streaming two way bandwidth

    uc_bw                   UC streaming one way bandwidth

    uc_lat                  UC one way latency

    ud_bi_bw                UD streaming two way bandwidth

    ud_bw                   UD streaming one way bandwidth

    ud_lat                  UD one way latency

    xrc_bi_bw               XRC streaming two way bandwidth

    xrc_bw                  XRC streaming one way bandwidth

    xrc_lat                 XRC one way latency

RDMA

    rc_rdma_read_bw         RC RDMA read streaming one way bandwidth

    rc_rdma_read_lat        RC RDMA read one way latency

    rc_rdma_write_bw        RC RDMA write streaming one way bandwidth

    rc_rdma_write_lat       RC RDMA write one way latency

    rc_rdma_write_poll_lat  RC RDMA write one way polling latency

    uc_rdma_write_bw        UC RDMA write streaming one way bandwidth

    uc_rdma_write_lat       UC RDMA write one way latency

    uc_rdma_write_poll_lat  UC RDMA write one way polling latency

InfiniBand Atomics

    rc_compare_swap_mr      RC compare and swap messaging rate

    rc_fetch_add_mr         RC fetch and add messaging rate

Verification

    ver_rc_compare_swap     Verify RC compare and swap

    ver_rc_fetch_add        Verify RC fetch and add

 

 

参考资料

https://www.opsdash.com/blog/network-performance-linux.html
https://linux.die.net/man/1/qperf
https://github.com/linux-rdma/qperf