From mboxrd@z Thu Jan 1 00:00:00 1970 From: compudj@krystal.dyndns.org (Mathieu Desnoyers) Date: Sat, 11 Apr 2009 21:40:42 -0400 Subject: [ltt-dev] Run lttv-gui error In-Reply-To: References: <20090410160913.GB31132@Krystal> Message-ID: <20090412014042.GA5822@Krystal> * Shouwei Li (casmyu at gmail.com) wrote: > 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. By you I meant "Yes", sorry. > ---------------------------------------------------------------------------------------------------- > Where I can get some documents about this topics. > See the LTTng Manual on the lttng.org website, and the papers published on this same website. Mathieu > Thank you very much! ^_^ > > On 4/11/09, Mathieu Desnoyers 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 > -- Mathieu Desnoyers OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68