Re: SystemTap GUI

[briggsje at engr dot orst dot edu]

Eugene,

Ryan and I looked into the error and I was able to reproduce it when I removed
the TreeSettings.xml file from our workspace folder. That file is used to store
the probe tree's data. Our guess is that for some reason you do not have
permissions to write to this location, which led to a null probe tree, which
led to functions attempting to access non-existant data. We patched the app so
that it no longer crashes but rather disables code completion if a null tree is
detected and this will be included in the next tarball (Friday).

We have a question for you though. When the tree is first populated, the GUI
takes roughly 1.5 minutes to load as opposed to the 7 second typical launch. Is
your app loading quickly each time or does it take the minute and a half?

Thanks a lot for testing it out and providing feedback. Hopefully more on the
team will be able to as well as time permits.

Jeff


Quoting Eugene Teo <eteo@redhat.com>:

> Hi Ryan,
>
> Ryan Morse wrote:
> > We recently posted the code for the Systemtap GUI on Souceforge under an
> > EPL license.
> >
> > http://stapgui.sourceforge.net/
> > http://sourceforge.net/projects/stapgui/
>
> The screenshots look good!
>
> [snipped]
> > Please take a look and provide any comments and suggestions.  If you
> > have any questions, please send me an email.
>
> I tried the latest binary build as of today. When I opened a stp file,
> it triggered an error: "Unable to create this part due to an internal
> error. Reason for the failure: An unexpected exception was thrown."
>
> Here's the relevant exception details:
> http://hera.kernel.org/~eugeneteo/systemtap/stap-gui-exception.txt
>
> I haven't figure out what's wrong. Let me know if you know what could
> gone wrong. Thanks.
>
> Eugene
> --
> eteo redhat.com  ph: +65 6490 4142  http://www.kernel.org/~eugeneteo
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>