[ltt-dev] Problem in creating trace

madhav chauhan madhav.singh.chauhan at gmail.com
Wed Jul 9 01:49:49 EDT 2008


Thanks Mathiew it was only modules's problem....
I have created the trace in text format  with -o option but i am unable to
analyse.Can u please tell me where i can get the help for analysing
the trace.

Regards,
Maddy



On Tue, Jul 8, 2008 at 7:45 PM, Mathieu Desnoyers <
compudj at krystal.dyndns.org> wrote:

> * madhav chauhan (madhav.singh.chauhan at gmail.com) wrote:
> > Hi ,
> > I am facing the problem in creating the trace in the following scenarios:
> >
> > 1. Using the graphical LTTV to control tracing
> >      Steps:
> >              1.Run the "*ltt-armall*"
> >              2.Entered the root password
> >              3.Clicked "start"
>
>
> This error message is not supposed to be there.
>
> Did you :
>
> enter the correct password ?
> Do you use ubuntu ?
> Can you use "su" on your system ?
> Try to start lttctl from the command line, as root, instead of the GUI.
> make sure ltt-control.ko is loaded if configured as a module.
>
> Mathieu
>
> >      *Error Message:*
> >            Controlling trace:"trace"
> >             Create trace error:Failed to send the netlink
> message:connection
> > refused
> >            A problem occured when executing the su command : Operation
> not
> > permitted
> >
> > 2.A simple trace dump in trace format
> >       Steps:
> >            1.Run  "*lttv -m textDump -t /tmp/trace*"
> >
> >        *Error Message*:
> >              Cannot open trace /tmp/trace
> >              /usr/local/bin/lttv:line 15: 3935 segmentation fault
> >
> >
> > Can anyone tell me whats the reason?
> >
> >
> > Regds,
> > Maddy
>
> > _______________________________________________
> > ltt-dev mailing list
> > ltt-dev at lists.casi.polymtl.ca
> > http://lists.casi.polymtl.ca/cgi-bin/mailman/listinfo/ltt-dev
>
>
> --
> Mathieu Desnoyers
> OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE 9A68
>
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