[lttng-dev] lttng - ubuntu 11.10 - problem
Mathieu Desnoyers
mathieu.desnoyers at efficios.com
Fri Jun 15 11:12:34 EDT 2012
* David Goulet (david.goulet at polymtl.ca) wrote:
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> Hi,
>
> In order to trace the kernel, you need the LTTng kernel modules available in
> the package "lttng-modules-dkms". So make sure you have these three packages
> installed:
>
> # sudo apt-get install lttng-tools lttng-modules-dkms babeltrace
hopefully lttng-modules-dkms issues "depmod -a" after the make
modules_install ?
Mathieu
>
> The error message you got indicates that there is simply no LTTng modules
> loaded. Please make sure they are loaded and if the problem persist, let us know!
>
> Thanks!
> David
>
> On 15/06/12 04:16 AM, Francis Giraldeau wrote:
> > Le 2012-06-15 09:41, somanath sahoo a écrit :
> >> Hi,
> >>
> >> As i am new to lttng usage, I have followed the instructions from
> >> <https://launchpad.net/~lttng/+archive/ppa> in order to install the lttng
> >> tool set in my ubuntu 11.10. After successful installation, i followed
> >> the getting started link on lttng.org <http://lttng.org/quickstart> in
> >> "root mode".
> >
> > You may verify if kernel modules are loaded correctly. If not, then there
> > may be a problem while the installation.
> >
> > lsmod | grep lttng
> >
> > If not, you may try to load them and see if any error message occurs:
> >
> > sudo modprobe lttng_tracer
> >
> > Francis
> >
> >
> >
> > _______________________________________________ lttng-dev mailing list
> > lttng-dev at lists.lttng.org
> > http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
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--
Mathieu Desnoyers
Operating System Efficiency R&D Consultant
EfficiOS Inc.
http://www.efficios.com
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