rdmaucma(8) System Manager's Manual rdmaucma(8)

# [NAME](#NAME)

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

# [SYNOPSIS](#SYNOPSIS)

**rdmaucma \[-h] \[-D]**

# [DESCRIPTION](#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](#REQUIREMENTS)

CONFIG\_BPF and bcc.

# [OPTIONS](#OPTIONS)

[-h](#h)

Print usage message.

[-D](#D)

Show debug infomation of bpf text.

# [SOURCE](#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](#OS)

Linux

# [STABILITY](#STABILITY)

Unstable - in development.

# [AUTHOR](#AUTHOR)

zhenwei pi

# [SEE ALSO](#SEE_ALSO)

[rdma(8)](/man/enterprise-packages/bcc/rdma.8)

2023-05-29 USER COMMANDS

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Document: rdmaucma(8) from bcc 0.37.0-r3 (Chainguard OS)
Source: https://github.com/iovisor/bcc