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Have you looked at https://www.ibm.com/developerworks/community/blogs/49773f8f-a20d-4816-86f2-44a2d862dbc1/entry/New_Command_Line_Code_Coverage_feature?lang=en_us


-----Original Message-----
From: RPG400-L [mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Robert Rogerson
Sent: Monday, December 03, 2018 6:50 PM
To: rpg400-l@xxxxxxxxxxxx
Subject: IBM Trace Utility (Was How to display which debug views are available.)

Hi all,

I have a working prototype of my trace utility working by calling the Debugger APIs. The problem is that for a very large program the trace may take several minutes.

Mark Waterbury suggested I look at IBM's trace utilities.

I wanted to trace program execution for program BF2100 and here is how I ran it..

- Add a traced filter

ADDTRCFTR FTR(BF2100FLT) PGMFTR(*EQ ((BF2100)))

- Start the trace

STRTRC SSNID(*GEN) JOBTRCTYPE(*ALL) TRCFTR(BF2100FLT)

- End the trace

ENDTRC SSNID(*PRV) DTALIB(TSXROB)

I checked all the files it created but didn't see anything that looked like HLL statements or flow. There is a lot of data created but it all seems to be at a lower level than a HLL language (in this case RPG).

Does anyone know if IBM's trace utilities can be used to expose program execution at a HLL language level?

The major reason I'm investigating this avenue is that IBM's trace utility runs so much faster than my trace utility using debugging APIs.

I just don't want to be working on developing a utility and using the wrong tool.

Thanks,

Rob

On 12/2/2018 10:39 AM, Robert Rogerson wrote:
Thanks Bruce, Jon and Mark (who replied off list).

To give a little background on what I'm doing. I'm writing a trace
utility for tracing program execution. As you(s) mentioned I do this
by calling the Debugger APIs. When I call the QteRetrieveModuleViews
and the *LISTING, *SOURCE or *COPY views are not available I can not
"trace" the execution of this module.

I was wondering if there was a way, before calling the
QteRetrieveModuleViews in my trace utility, to check if I should even
attempt to trace the program or give the user a message that the
program needs to be recompiled with DBGVIEW(*LIST/*SOURCE/*COPY)

Wait, Vern just replied...

Thanks,

Rob

On 12/2/2018 10:00 AM, Jon Paris wrote:
Bruce beat me to it - the debug APIs are the way to go. That is what
RDi uses under the hood.

There's a decent explanation of the way all the APIs fit together
here:
https://www.ibm.com/support/knowledgecenter/en/ssw_ibm_i_72/apiref/ap
iexusdeb.htm
<https://www.ibm.com/support/knowledgecenter/en/ssw_ibm_i_72/apiref/a
piexusdeb.htm> that is for 7.2 but nothing has changed as far as I
know. Penton published an article years ago showing how to use these
to retrieve source from a program compiled with listing view - sadly
that has gone th way of all of their content.


Jon Paris

www.partner400.com
www.SystemiDeveloper.com

On Dec 2, 2018, at 9:47 AM, Bruce Vining <bruce.vining@xxxxxxxxx>
wrote:

I am currently not connected to an i (though working on it) so I
can't say that I've used it, but you may want to take a look at the
Retrieve Module Views (QteRetrieveModuleViews) API
<https://www.ibm.com/support/knowledgecenter/en/ssw_ibm_i_73/apis/QTERTVMV.htm>.

The documentation indicates that this API returns (along with a
whole lot of other things):

View type. The type of view. The view type can be one of the
following
values:
**TEXT* This is a view where text comes from files or text supplied
by the processor.
**LISTING* This is a view where text comes entirely from text
supplied by the processor.
**STATEMENT* This is a view consisting of statement identifiers. All
modules have a statement view.

Bruce

On Sun, Dec 2, 2018 at 8:41 AM Robert Rogerson
<rogersonra@xxxxxxxxx> wrote:

Brian is correct. I'm trying to find if the object itself has an
indication of the available debug views without entering debug. So
far I haven't found on Google nor the IBM site indicating if this
is possible. I was hoping that someone on this list may know of a
way.

Thanks,

Rob

On 12/2/2018 7:02 AM, Brian Parkins wrote:
Indeed. But Rob's original question was how to find this out
_without_ initiating a debug session in RDi or STRDBG. Any ideas?

Brian.

On 01/12/2018 22:34, Marvin Radding wrote:
Enter debug and press F15. It will show a list of the view
available.

Thanks,

Marvin
No trees were killed in the sending of this message, but a large
number of electrons were terribly inconvenienced, traumatized,
triggered, and crying for their safe spaces.

-----Original Message-----
From: RPG400-L [mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf
Of Brian Parkins
Sent: Saturday, December 01, 2018 1:43 PM
To: RPG programming on the IBM i (AS/400 and iSeries)
<rpg400-l@xxxxxxxxxxxx>
Subject: Re: How to display which debug views are available.

I think Paul is suggesting the use of the DSPPGM command. Press
ENTER until the *MODULE detail panel is displayed, then type
option 5).
against the Module(s).

However, this shows only,
Debug data . . . . . . . . . . . . . . . . . . : *YES

- and doesn't answer Rob's question. How to tell WHICH debug
views, (*LISTING, SOURCE, etc.) are available. DSPPGM does not
provide this information, as Rob has already discovered.

I've no idea how you would find this out without initiating a
debug session in RDi or STRDBG. The System APIs don't appear to
help either.

Brian.

On 01/12/2018 21:04, Steinmetz, Paul wrote:
DSPPGM
Then
5=Display description

Paul

-----Original Message-----
From: RPG400-L [mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf
Of Robert Rogerson
Sent: Saturday, December 01, 2018 3:48 PM
To: RPG programming on the IBM i / System i
Subject: How to display which debug views are available.

Hi all,

Can I tell from an object which is already created which debug
views are available?

I understand that when creating an object you may specify which
debug views (*LISTING, *SOURCE, *COPY) you wish to make
available. But if the object (in my case a program) has already
been created how do I tell which views are available. I've
tried dsppgm but I don't see any view information. The only way
I've found is through starting debug on the program and pressing
F15=Select view .

Thanks,

Rob

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Thanks and Regards,
Bruce
931-505-1915
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