From mboxrd@z Thu Jan  1 00:00:00 1970
From: mathieu.desnoyers@efficios.com (Mathieu Desnoyers)
Date: Thu, 24 Jan 2013 20:58:21 -0500
Subject: [lttng-dev] How to debug the CTF struct problem?
In-Reply-To: <8E0A14A4C9B95B459AE214584119C1EB3BC90A1E@Hal.ad.unb.ca>
References: <8E0A14A4C9B95B459AE214584119C1EB3BC90A1E@Hal.ad.unb.ca>
Message-ID: <20130125015821.GA19436@Krystal>

* Yang Wang (yangw.wang5 at unb.ca) wrote:
> Hello
> 
> Could anybody know what causes the following problem? How to debug it?
> I guess somewhere a tracepoint is wrong, but I don't know which one as
> I have tons of tracepoints automatically generated and scattered in
> all the system files.

can you show us the content of:

/home/yang/lttng-traces/auto-20130124-190929/metadata

please ?

Also the output of babeltrace -d -v might help.

Thanks,

Mathieu

> 
> yang at yang-OptiPlex-990:~/j9home/home/yangwang/benchmarks$ lttng view
> Trace directory: /home/yang/lttng-traces/auto-20130124-190929
> 
> [error] ctf_struct_type_declarators_visit: duplicate field _string in struct
> [error] ctf_visitor_construct_metadata: event declaration error
> [error] Error in CTF metadata constructor -1
> [warning] Unable to open trace metadata for path "/home/yang/lttng-traces/auto-20130124-190929/ust/java-7907-20130124-190951".
> [warning] [Context] Cannot open_trace of the format /home/yang/lttng-traces/auto-20130124-190929/ust/java-7907-20130124-190951 .
> 
> Thanks in advance
> 
> Yang
> 

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-- 
Mathieu Desnoyers
EfficiOS Inc.
http://www.efficios.com