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Re: [linuxtools-dev] [TMF] eclipscon2014 presentation
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Hi Alexandre and Florian,
Thanks for the information, I understand a bit more the TMF project and
its current status and roadmap, good to see that this project is in-line
with most of my requirements. From what you said, it seems I just need
to wait and see because everything is planned ;-) Also, definitely, I
need to study and understand more the existing views, thus I may write
my own dedicated view, it would be a good exercise to see how this
framework works and behaves with very large traces. Because I am also
interested by performance and data exploration specially with very very
large traces.
Feel free to share any pointers related to performance and data
exploration if you have some information, it would be very helpful.
Cheers,
Hisham
Le 2014-04-23 16:57, Alexandre Montplaisir a écrit :
Hi Hisham,
Thanks for your interest!
Right now (with the patch that Florian linked to previously), the
data-driven time graph view only displays rectangles of different
colors. But the "real" time graph view in TMF also supports displaying
arrows from one state to another, as well as text labels in the
rectangles themselves. For example, the LTTng Control Flow View makes
uses of these features. They haven't been implement in the
XML-data-driven view yet, but it's definitely planned.
Also, having a view/dialog to generate the XML file for the user is
indeed the end goal. But the work on this whole data-driven framework
is just getting started, so it is still some time out. We'll first
focus on making the different types of views available from XML, and
on the file format itself. Then we can look at how to generate those
XML files in a convenient way.
Cheers,
Alexandre
On 04/23/2014 06:57 AM, Hisham El Azzouzi wrote:
Hi Florian,
Your example works fine!
Regarding the address bus representation, you are right, this is
another way of representing the same data (but so convenient to me to
check any value change in a specific trace). Also I think rectangles
are fine enough, the missing thing is only the value inside the
rectangle. The other way may be to use the XY graph to represent the
values, but sometimes this representation is less convenient.
I am also interested by the idea of XML code generator. I would imagine
in my ideal TMF (a right click on a trace and then a nice GUI helping
to specify how we want to represent it ... eg digital bus, XY graph,
text, or whatever ...). Have you already started some work in this
area?
Thanks again for your help,
Hisham
Le 2014-04-23 03:45, Florian Wininger a écrit :
Hi,
I updated the GDB.UST.xml file with the current XML definition.
So I think it works with the patch 23161.
You have one trace example in the same github ("Sample UST
trace.zip").
To answer quickly to your question, there is no view to show a digital
bus.
But we have the Control Flow and I think that it's just another way to
draw the information. Currently we draw only rectangle in the Control
Flow. I'm not an expert on this part but other people on this mailing
list can better answer.
Cheers,
Florian
Le 22/04/2014 16:00, hisham.elazzouzi@xxxxxxxxxxxxxxxxxxx a écrit :
Hi Florian,
Thanks for your reply, I merged the XML control flow view patch, I
should be ready to use it now.
Also, from the following repository
(https://github.com/fwininger/XML4TMF), I imported you GDB traces and
the related GDB.UST.xml, but unfortunately it failed because of a
parsing error ... I guess the GDB.UST.xml file is too old and is no
longer compliant with your patch. Could you kindly help to setup the
GDB example first?
I would also be happy to have some views allowing digital bus
representation (see screenshots
http://wsim.gforge.inria.fr/tutorials/msp430-adc/ch03.html). Does TMF
with your current work can do that?
Cheers,
Hisham
Hi Hisham,
The XML based views are not currently in the master branch, but you can
try the XML control flow view with this patch in review :
https://git.eclipse.org/r/#/c/23161/
The XML definition is already in TMF, you can find an example here :
https://git.eclipse.org/r/#/c/23159/7
To import a new XML file, right click on "Traces" in the workspace ->
"Import XML file".
If you have already a good idea of the data you want to display, I can
help you to configure the view.
Cheers,
Florian
Le 22/04/2014 07:59, hisham.elazzouzi@xxxxxxxxxxxxxxxxxxx a ?crit :
Dear TMF users/experts,
I am a newcomer to Lttng/TMF world and I found these pr
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