Re: Tracing query inside procedure without 10046
Date: Thu, 3 Aug 2023 21:41:30 +0100
Message-ID: <CAGtsp8k9+JmMbBGrY9hgmPDOqqn6yoVuUhVPdsfhDZWPr75A=w_at_mail.gmail.com>
On Tue, 1 Aug 2023 at 18:52, Krishnaprasad Yadav <chrishna0007_at_gmail.com> wrote:
> Hi Jonathan ,
>
> Currently I was trying to figure out queries involved in
> procedure.subprocedure .
>
> So , actually one of the JOB(kind of Day end job ) of customer was
> running slow , so my intention was to get sql's from the procedure for
> evaluating their performance (just to rule out kind of plan change) , now
> in this case procedure which was taking time was part of other procedure ,
> so i tried to get details from ashrpti.sql but output was of same
> procedure name (i.e sqlid/statement was showing the same name i.e
> proc.subproc) which i was passing input for ashrpti , since it runs in
> night time , it went unnoticed by application team and post completion of
> job , team realize execution time is increased and hence , 10046 was out
> from the option .
> Hence was trying to figure out any option by which we can get sql's
> details related to subprocedure
>
> Regards,
> Krishna
>
>
>
>
>
> On Tue, 1 Aug 2023 at 22:49, Jonathan Lewis <jlewisoracle_at_gmail.com>
> wrote:
>
>>
>> David,
>>
>> I think there was a time when the line numbers reported by hprof didn't
>> agree with the line numbers reported by user_source because of pl/sql
>> optimization moving lines around (constant folding, moving assigments out
>> of loops etc.) Have you come across that problem at all in recent versions.
>>
>> Regards
>> Jonathan Lewis
>>
>>
>>
>>
>> On Tue, 1 Aug 2023 at 11:19, David Kurtz <info_at_go-faster.co.uk> wrote:
>>
>>> The hierarchical profiler will link PL/SQL line number to Sqlid, and
>>> profile time.
>>> You can join it to ASH data to profile DB time, including profile by
>>> line in the execution plan
>>>
>>> See also
>>>
>>> https://blog.go-faster.co.uk/2023/04/investigating-unfamiliar-plsql-with.html
>>> https://www.go-faster.co.uk/p/tuning-with-plsql-performance-profiler.html
>>>
>>>
>>>
>>>
>>> David Kurtz
>>> Go-Faster Consultancy
>>> www.go-faster.co.uk
>>> Tel: +44 7771 760660
>>> (sent from a mobile device, typos and brevity to be expected)
>>>
>>> On Tue, 1 Aug 2023, 08:48 Krishnaprasad Yadav, <chrishna0007_at_gmail.com>
>>> wrote:
>>>
>>>> Hi Stefan,
>>>>
>>>> I am looking for live as well as post-problem analysis . I have never
>>>> used DBMS_HPROF , but I am exploring this. Thanks for letting me know about
>>>> this !! , but using this, does it generate any additional load in a
>>>> highly concurrent system .
>>>>
>>>> For post-problem any further way to take up .
>>>>
>>>> Regards,
>>>> Krishna
>>>>
>>>>
>>>> On Tue, 1 Aug 2023 at 13:02, Stefan Koehler <contact_at_soocs.de> wrote:
>>>>
>>>>> Hello Krishna,
>>>>> are you talking about live analysis or about post-problem analysis?
>>>>>
>>>>> If you mean live, you can also use the PL/SQL hierarchical profiler
>>>>> (DBMS_HPROF). It will show you exactly how much time is spent in your
>>>>> PL/SQL code or with SQL execution.
>>>>>
>>>>> Best Regards
>>>>> Stefan Koehler
>>>>>
>>>>> Independent Oracle performance consultant and researcher
>>>>> Website: www.soocs.de
>>>>> Twitter: _at_OracleSK
>>>>>
>>>>> > Krishnaprasad Yadav <chrishna0007_at_gmail.com> hat am 01.08.2023
>>>>> 07:25 CEST geschrieben:
>>>>> >
>>>>> > Dear Gurus,
>>>>> >
>>>>> > currently working on slowness issue of procedure which is part of
>>>>> procedure
>>>>> > like : proc_name.subproc_name , over here i need to figure out the
>>>>> query related to subproc_name and not by using 10046 trace .
>>>>> > I tried ashrpti.sql and used pls_object_entry but I didn't get any
>>>>> values in the report .
>>>>> > Is there any way to figure out queries related to such subproc_name
>>>>> also tried from dba_hist* views too by providing top_sql /pls_object
>>>>> values but no luck .
>>>>> >
>>>>> > Currently in my situation trace was taken (10046) and from procedure
>>>>> verified queries and by recommendation on it . but it was challenging to
>>>>> figure out queries without tracing.
>>>>> >
>>>>> > It would be great help if you provide any light on it .
>>>>> >
>>>>> > Regards,
>>>>> > Krishna
>>>>>
>>>>
-- http://www.freelists.org/webpage/oracle-lReceived on Thu Aug 03 2023 - 22:41:30 CEST