[ltt-dev] simultaneous lttng kerner tracer and userspace tracer

[MEKEZE KWATCHO, PATRICK (PATRICK)]

Hello!

Could someone help me about this subject?

Thank

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Envoyé : lundi 7 juin 2010 18:00
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Objet : ltt-dev Digest, Vol 26, Issue 5

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Today's Topics:

   1. Run simultaneous lttng kerner tracer and userspace tracer
      (patrick mekeze)


----------------------------------------------------------------------

Message: 1
Date: Sun, 6 Jun 2010 16:07:06 +0000 (GMT)
From: patrick mekeze <pmekeze at yahoo.fr>
To: ltt-dev at lists.casi.polymtl.ca
Subject: [ltt-dev] Run simultaneous lttng kerner tracer and userspace
	tracer
Message-ID: <938079.81502.qm at web28603.mail.ukl.yahoo.com>
Content-Type: text/plain; charset="iso-8859-1"

Hello every boby!

I am a high school student and it is now about one month that i decided to interest on lttng projet because i was searching about some metric tools for unix systems. 
The goal of my research is to develop a tool which would work as a "fligth recover " for a unix system running on a power PC hardward support.

i decided to work for the first time on an?intel processor and after, i will make a croos compilation for my target which is a power PC processor

I have already built a linux kernel with the lttng patch and i have install all the need tool to have a lttv analyser 

Because i would like to trace some programm running on userspace, i have install usttrace tool.

After this i wrote a short application with a marker inside as i see in the usttrace tutorial available on website.

When i run this with command $usttrace ./testprogramm , i have in the promt the name of directory where trace are logged and i can use lttv to analyze it. here i can see well my event "myevent" on the wiever.

But? when i activated kernel trace with command $ lttctl -C -w /tmp/trace1 trace1, and run my userspace programm with command $ ./testprogramm,?i am not?able to get the myevent.

so that, i want to know how tu run lttctl tools and userspace programm to get and analyze simultaneous on the lttv-gui? ,kernel event and userspace event.

thank you all for your help.

Patrick


      
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