ib_send_bw 是一个用于测量 InfiniBand 网络带宽的工具。以下是该命令的基本功能、主要参数、参数含义及取值的详细解析,以及使用示例和获取帮助信息的说明。 1. ib_send_bw 命令的基本功能和用途 ib_send_bw 命令用于测量两台 InfiniBand 设备之间的带宽性能。它通过发送和接收数据包来评估网络的吞吐量,从而帮助用户...
ib_send_bw <host> connect to server at <host> Options: -a, --all Run sizes from 2 till 2^23 -b, --bidirectional Measure bidirectional bandwidth (default unidirectional) -c, --connection=<RC/XRC/UC/UD/DC> Connection type RC/XRC/UC/UD/DC (default RC) ...
ib_send_bw [-p, --port=<port>] [-d, --ib-dev=<dev>] [-i, --ib-port=<port number.] [-c, --connection=<RC|UD>] [-m, --mtu=<mtu>] [-s, --size=<size>] [-a, --all] [-n, --iters=<iterations>] [-t, --tx-depth=<depth>] [-u, --qp-timeout=<timeout] ...
The following example shows how to run a diagnostic between a local node client and a remote node server with the ib_send_bw command. First configure the remote node server: # ib_send_bw --- Send BW Test Connection type : RC Inline data is used up to 400 bytes message local address:...
jammy (1) ib_send_bw.1.gz Provided by: perftest_4.4+0.37-1_amd64 NAME ib_send_bw - RDMA send bandwidth test SYNOPSIS ib_send_bw [ options ] [ server IP address ] DESCRIPTION This program tests the bandwidth of RMDA send transactions. ...
Example: ibdiagnet --i mlx5_2 --p 1 Description Specifies the name of the device of the port used to connect to the InfiniBand fabric (in case of multiple devices on the local system). Specifies the local device's port number used to connect to the InfiniBand fabric. Specifies the...
CTRL+DEL: send CTRL+ALT+DEL to the guest OS CTRL+TAB: send ALT+TAB to the guest OS CTRL+INS: send SysRq to the guest OS CTRL+END: send Break to the guest OS SHIFT+SPACE: change the active keymap to the next available one
For example, in RHEL: yum erase rdma-core Note: "yum erase rdma-core" will also remove any packages that depend on rdma-core, such as perftest or fio. Please re-install them after installing rdma-core. 5.Patch,构建和安装rdma-core用户空间库: ...
Run port-verify –bw to get a list of ports with 1x reduced link width f. Bellow you may find the list of counters and what is the recommendations g. If you high amount and rate of LinkErrorRecovery ?, LinkDowned ? , PortRcvErrors reseat or replace cable a. Reset (“zero”) the...
Create a Send and a Receive Completion Queue Create a Queue Pair Initialize the Queue Pair (change QP status to INIT) Exchange information to later be able to communicate with peer via IB.This is done via TCP in this example. Another possibility would be to use the RDMA Con...