[ltt-dev] Run lttv-gui error

[Shouwei Li]

My OS is debian 5.0, so I think su command is avaiable. I have compile
the kernel, lttng to the latest version, so I can make sure that no
compatibility problem.

You, it will show all the system calls done by the processes you are
interested into.
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Where I can get some documents about this topics.

Thank you very much! ^_^

On 4/11/09, Mathieu Desnoyers <compudj at krystal.dyndns.org> wrote:
> * Shouwei Li (casmyu at gmail.com) wrote:
>> Hello, friends:
>> I login OS with root account. then I run lttv-gui like this:
>> [root][~]# export DISPLAY=192.168.153.1:0.0
>> [root][~]# lttv-gui
>> I have opend xmanager(passive), then the GUI pop up.
>> Then I click the Insert Tracing Control Module button(The traffic
>> light), after input the root passwd, I click start button, but an
>> error message box pop up, the error message is "A problem occured when
>> executing the su command : Operation not permitted". Please tell me
>> why and how to solve this problem.
>
> If you are on ubuntu, su is disabled. You would have to figure out how
> to reenable it using their documentation. Or you can use the lttctl
> command directly to control tracing instead, as stated in the
> documentation.
>
> Also make sure your
> lttv
> ltt-control
> lttng
>
> versions follow the compatibility list on the lttng.org website.
>
>> One more question: I want to monitor a program which executed from
>> bash, all the processes of this program execute. Include from bash to
>> execv, how the dynamic loader loaded the elf file and the other
>> libraries and so on. Does lttv can be competent for this work?
>> Thank you very much!
>
> You, it will show all the system calls done by the processes you are
> interested into.
>
> Mathieu
>
>> --
>> Best Regards!
>> Shouwei Li
>>
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>>
>
> --
> Mathieu Desnoyers
> OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE 9A68
>


-- 
Best Regards!
Shouwei Li