From: casmyu@gmail.com (Shouwei Li)
Subject: [ltt-dev] Run lttv-gui error
Date: Sat, 11 Apr 2009 20:58:49 +0800 [thread overview]
Message-ID: <b4aaf1450904110558v3793c6bcr42d3817925f3255a@mail.gmail.com> (raw)
In-Reply-To: <20090410160913.GB31132@Krystal>
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.
----------------------------------------------------------------------------------------------------
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
>>
>> _______________________________________________
>> 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
next prev parent reply other threads:[~2009-04-11 12:58 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-10 11:17 Shouwei Li
2009-04-10 16:09 ` Mathieu Desnoyers
2009-04-11 12:58 ` Shouwei Li [this message]
2009-04-12 1:40 ` Mathieu Desnoyers
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