[lttng-dev] Unable start trace using tcf-agent / lttng-agent

kumar s skumar.m226 at gmail.com
Wed Nov 13 00:57:19 EST 2013


Hello,

I am using the following versions to setup lttng on kernel

Linux kernel -2.6.32.27

LTTV - 0.12.29

LTTng - 0.190

LTTControl - 0.81

This is for mips architecture. I have patched the linux kernel and i am
able to setup the trace on target board and copy the trace host pc to view
in LTTV / eclipse.

Now i am trying to setup tcf-agent and lttng-agent to start and control the
trace remotely.

I have cross compiled the tcf-agent and lttng-agent for mips. The client
side i have compiled it for pc.

When cross compiling tcf-agent the following services has been enabled -
Plugins Splice Zerocopy Cmdline Trace Discovery Locator Streams Terminals
in config.h and also specified in make.

Steps i did to start the ltt on target (Mips)

mount debugfs
export lttd
ltt-armall

start tcf-agent

On client PC

start tcf-client
connect ip address ( Connection established with TCP:)

tcf ltt_control setupTrace "kernel" "0" "traceTest"
Reply error 131097: Command is not recognized


I would like to know what steps i am missing to start the trace remotely.

Thank you
skumar
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