Re: Facing problem while patching LTTng 0.9.5 with linux kernel 2.6.21

* Srinivasa Reddy ([email protected]) wrote:
> Hi Mathieu,
> 
> Good news.. Now I am able to generate some trace data.
> The problem was mounting debugfs.
> So when I gave "mount /mnt/debugfs" command after booting, then it
> started generating the trace information.
> 
> But unfortunately the viewer gave the following bundle of errors. 
> 
> ************************************************************
> 
> test-devsys:/home/rrao/NFS/NFS_test/home/sreddy# lttv-gui
> 
> ** (lttv.real:9515): WARNING **: parse_trace_header error
> 
> ** (lttv.real:9515): WARNING **: parse_trace_header error
> 
> ** (lttv.real:9515): WARNING **: parse_trace_header error
> 
> ** (lttv.real:9515): WARNING **: parse_trace_header error
> 
> ** (lttv.real:9515): WARNING **: parse_trace_header error
> 
> ** (lttv.real:9515): WARNING **: parse_trace_header error
> 
> ** ERROR **: Trace /home/rrao/NFS/NFS_test/home/sreddy/trace1 has no
> facility tracefile
> aborting...
> /usr/bin/lttv-gui: line 10:  9515 Aborted                 $LTTV_CMD.real
> -m guievents -m guifilter -m guicontrolflow -m guistatistics -m
> guitracecontrol $*
> 
> 
> **********************************************************
> 
> So is the data generated is proper or something is missing in the data.
> If you want is will send those generated files.
> Please let me know about this.
> 

Please go back in this email thread and repeat the steps I pointed to. I
suspect that you use the wrong LTTV version. Please provide the listings
I have requested earlier (listing of trace directory at least) so I can
help you further.

Mathieu

> Regards,
> Srinivas.
> 

-- 
Mathieu Desnoyers
Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE 9A68