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Problems with Execution flow - does not show anything [message #41078]

Thu, 17 November 2005 12:50

Eclipse User

Originally posted by: kbt.carecom.dk

Hi there,

I am trying to use the tptp 4.0.0 plugin in eclipse 3.1.0. I am
profiling a JBOSS 4.0.2 AS by attaching to it. There is no problem
attaching to the AS.

After profiling I can open the Execution Statistics with no problem and
the same goes for the UML2 diagrams. But when I open the execution flow
view I cannot se any flow diagram. The view opens fine but there are no
bars showing.

The funny thing is that below the execution flow windows it shows the
threads and the method invocations made by each thread. The start times
show in this list are negative (ie -4.828,752796) but the execution
flows y-axis starts with 0,0000005 seconds. I cannot find any way of
showing negative times on the execution flow.

I am suspecting that the problem is caused by the negative start times
and I am wondering if there is an easy solution to this??

Thanks in advance

Kim Tiedemann

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Re: Problems with Execution flow - does not show anything [message #41326 is a reply to message #41078]

Fri, 18 November 2005 05:54

No real name

Messages: 404
Registered: July 2009

Senior Member

Hi Kim,

I wasn't able to reproduce this problem using the 4.0.1 driver. If it is
possible, can you profile your application to a file and attach it to this
report?
You can profile an application to a file by following the steps below:

Select the profile launch configuration item > Click on the 'Profile' tab >
Click on the 'Destination' tab > Check 'Send profiling data to file' >
Specify a path to a file name > Click on profile.

Instead of the views getting populated, the data will be directed to the
file specified.

"Kim Tiedemann" <kbt@carecom.dk> wrote in message
news:dlhu8i$jq8$1@news.eclipse.org...
> Hi there,
>
> I am trying to use the tptp 4.0.0 plugin in eclipse 3.1.0. I am
> profiling a JBOSS 4.0.2 AS by attaching to it. There is no problem
> attaching to the AS.
>
> After profiling I can open the Execution Statistics with no problem and
> the same goes for the UML2 diagrams. But when I open the execution flow
> view I cannot se any flow diagram. The view opens fine but there are no
> bars showing.
>
> The funny thing is that below the execution flow windows it shows the
> threads and the method invocations made by each thread. The start times
> show in this list are negative (ie -4.828,752796) but the execution
> flows y-axis starts with 0,0000005 seconds. I cannot find any way of
> showing negative times on the execution flow.
>
> I am suspecting that the problem is caused by the negative start times
> and I am wondering if there is an easy solution to this??
>
> Thanks in advance
>
> Kim Tiedemann

Report message to a moderator

Re: Problems with Execution flow - does not show anything [message #41420 is a reply to message #41326]

Fri, 18 November 2005 09:19

Eclipse User

Originally posted by: kbt.carecom.dk

Hi Ali,

Thanks for your mail.

> I wasn't able to reproduce this problem using the 4.0.1 driver. If it is
> possible, can you profile your application to a file and attach it to this
> report?
> You can profile an application to a file by following the steps below:
>
> Select the profile launch configuration item > Click on the 'Profile' tab >
> Click on the 'Destination' tab > Check 'Send profiling data to file' >
> Specify a path to a file name > Click on profile.
>
> Instead of the views getting populated, the data will be directed to the
> file specified.
>

I have tried to save the profile file as you mentioned above - the funny
thing is, that the file does not contain the negative start times
because when I import it it shows the correct Execution Flow. I have
done this several times and it is consistent - always showing the
correct Execution Flow. But each time I do an "online" profiling I get
the negative start times.

I have attached a screen shot showing an "online" profiling and a
profile file. Unfortunately I cannot attach them to this post because of
a limit - but you can download them here http://www.tiede.dk/files.

Unfortunately it is not possible to do an "online" profile together with
storing the results as a file, sp I cannot see what happens if both are
done at the same time.

Cheers

Kim

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Re: Problems with Execution flow - does not show anything [message #41450 is a reply to message #41420]

Fri, 18 November 2005 15:22

No real name

Messages: 404
Registered: July 2009

Senior Member

Hi Kim,

The fact that the time-stamps are correct in the file implies that the JVMPI
agent is in fact sending the correct data. It's likely the loaders that are
getting confused and incorrectly calculating the start times.
I would give this a try with a development build of 4.1
(TPTP-4.1.0-200511170100). If the problem is still reproducible, then
please open a defect with a description of your problem.

"Kim Tiedemann" <kbt@carecom.dk> wrote in message
news:dlk698$m6f$1@news.eclipse.org...
> Hi Ali,
>
> Thanks for your mail.
>
> > I wasn't able to reproduce this problem using the 4.0.1 driver. If it
is
> > possible, can you profile your application to a file and attach it to
this
> > report?
> > You can profile an application to a file by following the steps below:
> >
> > Select the profile launch configuration item > Click on the 'Profile'
tab >
> > Click on the 'Destination' tab > Check 'Send profiling data to file' >
> > Specify a path to a file name > Click on profile.
> >
> > Instead of the views getting populated, the data will be directed to the
> > file specified.
> >
>
> I have tried to save the profile file as you mentioned above - the funny
> thing is, that the file does not contain the negative start times
> because when I import it it shows the correct Execution Flow. I have
> done this several times and it is consistent - always showing the
> correct Execution Flow. But each time I do an "online" profiling I get
> the negative start times.
>
> I have attached a screen shot showing an "online" profiling and a
> profile file. Unfortunately I cannot attach them to this post because of
> a limit - but you can download them here http://www.tiede.dk/files.
>
> Unfortunately it is not possible to do an "online" profile together with
> storing the results as a file, sp I cannot see what happens if both are
> done at the same time.
>
> Cheers
>
> Kim

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