----- On Oct 6, 2016, at 2:14 PM, Staffan Tjernstrom staffan at eternaltraveller.com wrote:

> Having spent about a week moving some 1500 trace statements over to
> lttng, I figured it was time to try a test run. Unfortunately there
> seems to be a problem with the metadata.
> 
> Any clues as to what to try next?
> 
> stjernstrom at E7CH1SAPPHIRE23:~/sapphire> lttng create reg
> Spawning a session daemon
> Session reg created.
> Traces will be written in
> /home/stjernstrom/lttng-traces/reg-20161006-130344
> stjernstrom at E7CH1SAPPHIRE23:~/sapphire> lttng enable-channel -u reg
> --overwrite --buffers-pid -s reg --subbuf-size 1M
> UST channel reg enabled for session reg
> stjernstrom at E7CH1SAPPHIRE23:~/sapphire> lttng add-context -u -t
> pthread_id
> UST context pthread_id added to all channels
> stjernstrom at E7CH1SAPPHIRE23:~/sapphire> lttng enable-event -u -c reg -a
> All UST events are enabled in channel reg
> stjernstrom at E7CH1SAPPHIRE23:~/sapphire> lttng start
> Tracing started for session reg
> stjernstrom at E7CH1SAPPHIRE23:~/sapphire> ${my_app}
> stjernstrom at E7CH1SAPPHIRE23:~/sapphire> lttng stop reg
> Waiting for data availability
> Tracing stopped for session reg
> stjernstrom at E7CH1SAPPHIRE23:~/sapphire> lttng view reg
> Trace directory: /home/stjernstrom/lttng-traces/reg-20161006-130344

Can you provide the output of:

babeltrace -o ctf-metadata /home/stjernstrom/lttng-traces/reg-20161006-130344

?

If you can share the content of your tracepoint header files, it
would also be useful.

Thanks,

Mathieu

> 
> [error] at line 4295: token "(": syntax error, unexpected LPAREN,
> expecting SEMICOLON or COMMA
> 
> [error] Error creating AST
> [warning] Unable to open trace metadata for path
> "/home/stjernstrom/lttng-traces/reg-20161006-130344/ust/pid/cferouternode_a-2006-20161006-130611".
> [warning] [Context] Cannot open_trace of format ctf at path
> /home/stjernstrom/lttng-traces/reg-20161006-130344/ust/pid/cferouternode_a-2006-20161006-130611.
> [warning] [Context] cannot open trace
> "/home/stjernstrom/lttng-traces/reg-20161006-130344/ust/pid/cferouternode_a-2006-20161006-130611"
> from /home/stjernstrom/lttng-traces/reg-20161006-130344 for reading.
> [error] at line 4295: token "(": syntax error, unexpected LPAREN,
> expecting SEMICOLON or COMMA
> 
> [error] Error creating AST
> [warning] Unable to open trace metadata for path
> "/home/stjernstrom/lttng-traces/reg-20161006-130344/ust/pid/cmerouternode_a-2010-20161006-130611".
> [warning] [Context] Cannot open_trace of format ctf at path
> /home/stjernstrom/lttng-traces/reg-20161006-130344/ust/pid/cmerouternode_a-2010-20161006-130611.
> [warning] [Context] cannot open trace
> "/home/stjernstrom/lttng-traces/reg-20161006-130344/ust/pid/cmerouternode_a-2010-20161006-130611"
> from /home/stjernstrom/lttng-traces/reg-20161006-130344 for reading.
> [error] at line 4295: token "(": syntax error, unexpected LPAREN,
> expecting SEMICOLON or COMMA
> 
> [error] Error creating AST
> [warning] Unable to open trace metadata for path
> "/home/stjernstrom/lttng-traces/reg-20161006-130344/ust/pid/controller-2001-20161006-130602".
> [warning] [Context] Cannot open_trace of format ctf at path
> /home/stjernstrom/lttng-traces/reg-20161006-130344/ust/pid/controller-2001-20161006-130602.
> [warning] [Context] cannot open trace
> "/home/stjernstrom/lttng-traces/reg-20161006-130344/ust/pid/controller-2001-20161006-130602"
> from /home/stjernstrom/lttng-traces/reg-20161006-130344 for reading.
> [error] at line 4295: token "(": syntax error, unexpected LPAREN,
> expecting SEMICOLON or COMMA
> 
> [error] Error creating AST
> [warning] Unable to open trace metadata for path
> "/home/stjernstrom/lttng-traces/reg-20161006-130344/ust/pid/cmefeedernode_a-2013-20161006-130613".
> [warning] [Context] Cannot open_trace of format ctf at path
> /home/stjernstrom/lttng-traces/reg-20161006-130344/ust/pid/cmefeedernode_a-2013-20161006-130613.
> [warning] [Context] cannot open trace
> "/home/stjernstrom/lttng-traces/reg-20161006-130344/ust/pid/cmefeedernode_a-2013-20161006-130613"
> from /home/stjernstrom/lttng-traces/reg-20161006-130344 for reading.
> [error] Cannot open any trace for reading.
> 
> [error] opening trace
> "/home/stjernstrom/lttng-traces/reg-20161006-130344" for reading.
> 
> [error] none of the specified trace paths could be opened.
> 
> stjernstrom at E7CH1SAPPHIRE23:~/sapphire> lttng destroy
> Session reg destroyed
> stjernstrom at E7CH1SAPPHIRE23:~/sapphire> lttng --version
> lttng (LTTng Trace Control) 2.7.4 - Herbe à Détourne
> stjernstrom at E7CH1SAPPHIRE23:~/sapphire> uname -a
> Linux E7CH1SAPPHIRE23.faction.local 4.1.13-100.fc21.x86_64 #1 SMP Tue
> Nov 10 13:13:20 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
> 
> 
> _______________________________________________
> lttng-dev mailing list
> lttng-dev at lists.lttng.org
> https://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev

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