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​​