Re: Error in viewing the traces (LTTV 0.8.79)

Mathieu Desnoyers <[email protected]> Thu, 18 Oct 2007 11:18:16 -0400
Newsgroups gmane.linux.kernel.tracing
Message-ID <20071018151816.GB10586@Krystal>
* Suprasad Mutalik Desai ([email protected]) wrote:
> Hi Mathieu,
> 
>          Thanks for the reply . i am using ltt-control - 0.34 , LTTng
> - 0.6.77 , LTTV - 0.8.79 and they match . with these utilities , y i
> cant view the traces ? , do i need to pass some arguments while
> getting the traces ? .
> 
> Thanks and Regards,
> Suprasad.
> 

You might be luckier with LTTV 0.8.81, LTTng 0.6.80 and ltt-control
0.36, which support kernel 2.6.20 also.

Mathieu

> 
> On 10/18/07, Mathieu Desnoyers <[email protected]> wrote:
> > * Suprasad Mutalik Desai ([email protected]) wrote:
> > > hi all,
> > >
> > >      I have 2.6.20 kernel in Multi threading mode , LTTV 0.8.79 ,
> > > LTTng 0.34 . I have taken the trace by executing " lttctl -n trace -d
> > > -l /mnt/debugfs/ltt -t /home/trace "  . When i run LTTV to view the
> > > traces i get an error
> > >
> >
> > LTTng 0.34 doesn't exist. I guess you mean ltt-control 0.34.
> >
> > What LTTng version are you using then ?
> >
> > Make sure you match
> > http://ltt.polymtl.ca/svn/ltt/branches/poly/doc/developer/lttng-lttv-compatibility.html
> >
> > Upgrading to slightly more recent versions could help.
> >
> > Mathieu
> >
> > >
> > > ** Message: statistics viewer : background computation data ready.
> > > ** Message: statistics viewer : background computation data ready.
> > >
> > > ** ERROR **: file tracefile.c: line 2081 (ltt_update_event_size):
> > > assertion failed: (tf->event.data_size == tf->event.event_size)
> > > aborting...
> > > ./lttv-gui: line 10:  4764 Aborted                 $LTTV_CMD.real -m
> > > guievents -m guifilter -m guicontrolflow -m guistatistics -m
> > > guitracecontrol $*
> > >
> > >
> > > The contents of the trace file is
> > >
> > > drwxr-xr-x  2 root root     4096 Oct 18 13:13 control
> > > -rwxr-xr-x  1 root root 60817408 Oct 18 13:28 cpu_0
> > > -rwxr-xr-x  1 root root 58720256 Oct 18 13:28 cpu_1
> > > -rwxr-xr-x  1 root root 40894464 Oct 18 13:28 cpu_2
> > > -rwxr-xr-x  1 root root 59768832 Oct 18 13:28 cpu_3
> > > drwxr-xr-x  2 root root     4096 Oct 18 13:13 eventdefs
> > >
> > > What should i do to view the traces ?
> > >
> > > Regards,
> > > Suprasad.
> > > _______________________________________________
> > > Ltt-dev mailing list
> > > [email protected]
> > > http://listserv.shafik.org/mailman/listinfo/ltt-dev
> > >
> >
> > --
> > Mathieu Desnoyers
> > Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal
> > OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE 9A68
> >
> 

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