NAME¶

rdmaucma - Trace RDMA Userspace Connection Manager Access Event. For Linux, uses BCC, eBPF.

SYNOPSIS¶

rdmaucma [-h] [-D]

DESCRIPTION¶

This program traces RDMA UCMA(Userspace Connection Manager Access) events, This can be useful to analyze issues on RDMA CM.

Since this uses BPF, only the root user can use this tool.

REQUIREMENTS¶

CONFIG_BPF and bcc.

OPTIONS¶

-h

Print usage message.

-D

Show debug infomation of bpf text.

SOURCE¶

This is from bcc.

https://github.com/iovisor/bcc

Also look in the bcc distribution for a companion _examples.txt file containing example usage, output, and commentary for this tool.

OS¶

Linux

STABILITY¶

Unstable - in development.

AUTHOR¶

zhenwei pi

SEE ALSO¶

rdma(8)