[ltt-dev] ltt-dev Digest, Vol 12, Issue 4

[compudj@krystal.dyndns.org (Mathieu Desnoyers)]

* Shouwei Li (casmyu at gmail.com) wrote:
> Hi, All:
> I have installed the lttng and lttv successfully. According this manual:
> http://ltt.polymtl.ca/svn/trunk/lttv/LTTngManual.html
> But after this step, I did not know how to do next:
> 
> You need to load the LTT modules to be able to control tracing from user
> space. This is done by issuing the following commands. Note however these
> commands load all LTT modules. Depending on what options you chose to
> compile statically, you may not need to issue all these commands.
> 
> modprobe ltt-trace-control
> modprobe ltt-marker-control
> modprobe ltt-tracer
> modprobe ltt-serialize
> modprobe ltt-relay
> modprobe ipc-trace
> ......
> 
> I can not find these modules, even I had search them all the disk.
> 
> Please tell me where these modules put or how to compile these modules. I can
> make sure that when I compile the lttng-kernel, I have select ALL of the items
> of LTT category.
> 
> [root][~]# find / -name ltt-marker-control
> [root][~]# find / -name ipc-trace
> [root][~]# modprobe ipc-trace
> FATAL: Module ipc_trace not found.
> [root][~]# modprobe ltt-marker-control
> FATAL: Module ltt_marker_control not found.
> 
> Thanks all !
> 

They are probably selected as "builtin" into your kernel image.
Therefore you would not need to load them as modules, since they are
already present.

We could confirm this if you give us your .config or
/boot/config-kernelversion-with-lttng.

Mathieu


> On Sat, Apr 4, 2009 at 12:00 AM, <ltt-dev-request at lists.casi.polymtl.ca>wrote:
> 
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> >   1. Re: Where I can get some more document recently (Michel Dagenais)
> >
> >
> > ----------------------------------------------------------------------
> >
> > Message: 1
> > Date: Fri, 03 Apr 2009 11:13:39 -0400
> > From: Michel Dagenais <michel.dagenais@polymtl.ca>
> > Subject: Re: [ltt-dev] Where I can get some more document recently
> > To: Shouwei Li <casmyu at gmail.com>
> > Cc: ltt-dev at lists.casi.polymtl.ca
> > Message-ID: <1238771619.15836.2.camel at localhost>
> > Content-Type: text/plain
> >
> >
> > > *** exact error that occured. This usually means GLIB is incorrectly
> > > installed.
> > > configure: error: glib is required in order to compile
> > > LinuxTraceToolkit - download it from ftp://ftp.gtk.org/pub/gtk
> > > But I have installed the libc, as follows:
> >
> > The GLIB and the GNU Libc are not the same thing. You need something
> > like libglib2.0-dev Development files for the GLib library.
> >
> > > [root][~]# dpkg -l | grep libc6
> > > ii  libc6                             2.9-6                    GNU C
> >
> >
> >
> >
> > ------------------------------
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> >
> > End of ltt-dev Digest, Vol 12, Issue 4
> > **************************************
> >
> 
> 
> 
> -- 
> Best Regards!
> Shouwei Li

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-- 
Mathieu Desnoyers
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