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

[Shouwei Li]

Hi, Desnoyers:
Many thanks for you kind hearted!
I will do next according the manual. These days when I wake up
everyday, the first thing to do is checking the mailbox and read your
reply. ^_^
You are all good friends who try you best to help others!

On 4/5/09, Mathieu Desnoyers <compudj at krystal.dyndns.org> wrote:
> * Shouwei Li (casmyu at gmail.com) wrote:
>> HI, All:
>> Thank you very much for your quick reply!
>> I have put the config file in the attachment. Please help me to check it.
>> If the modules have been build in to kernel correctly, why I can not
>> find the by this command:
>> # lsmod | grep modulesName
>> Now I am not sure whether I have compiled the kernel correctly, of
>> course I don't knwo What should I do next?
>> Thanks a million!
>>
>
> You have :
> CONFIG_LTT_TRACEPROBES=y
>
> Which means that the probes are really built into your kernel image.
> There is no need to load them as modules, and they don't appear as
> modules, since they are within the kernel core. You can just skip the
> module load part and proceed to the next steps, given that LTTng and all
> the probes are already "loaded" as soon as you kernel image is populated
> in memory by the boot loader.
>
> Mathieu
>
>
>> On 4/4/09, Mathieu Desnoyers <compudj at krystal.dyndns.org> wrote:
>> > * 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:
>> >>
>> >> > Send ltt-dev mailing list submissions to
>> >> >        ltt-dev at lists.casi.polymtl.ca
>> >> >
>> >> > To subscribe or unsubscribe via the World Wide Web, visit
>> >> >        http://lists.casi.polymtl.ca/cgi-bin/mailman/listinfo/ltt-dev
>> >> > or, via email, send a message with subject or body 'help' to
>> >> >        ltt-dev-request at lists.casi.polymtl.ca
>> >> >
>> >> > You can reach the person managing the list at
>> >> >        ltt-dev-owner at lists.casi.polymtl.ca
>> >> >
>> >> > When replying, please edit your Subject line so it is more specific
>> >> > than "Re: Contents of ltt-dev digest..."
>> >> >
>> >> >
>> >> > Today's Topics:
>> >> >
>> >> >   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 at 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
>> >> >
>> >> >
>> >> >
>> >> >
>> >> > ------------------------------
>> >> >
>> >> > _______________________________________________
>> >> > ltt-dev mailing list
>> >> > ltt-dev at lists.casi.polymtl.ca
>> >> > http://lists.casi.polymtl.ca/cgi-bin/mailman/listinfo/ltt-dev
>> >> >
>> >> >
>> >> > End of ltt-dev Digest, Vol 12, Issue 4
>> >> > **************************************
>> >> >
>> >>
>> >>
>> >>
>> >> --
>> >> Best Regards!
>> >> Shouwei Li
>> >
>> >> _______________________________________________
>> >> 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
>> >
>>
>>
>> --
>> Best Regards!
>> Shouwei Li
>
>
>
> --
> Mathieu Desnoyers
> OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE 9A68
>


-- 
Best Regards!
Shouwei Li