Re: Help Interpreting TKProf

Daniel, it's seconds, not centiseconds. The tkprof writes things down in seconds. If it's a 9i trace, then the times within trc files are in microseconds. In trc file produced by 8i, it's centiseconds. By some magic, tkprof knows the difference and usually gets the right times.

On 11/12/2003 01:49:34 PM, Daniel Fink wrote:
> Barb,
>
> This is a great example of where reading the trace file will tell you
> what you need to know. Is the 10 centiseconds of time in 8 1.25
> centisecond events or in 1 10 centisecond event and 7 .1 centisecond
> events? The location (parse/execute/fetch/post tx) are also important.
>
> Daniel
>
> Barbara Baker wrote:
>
> > Hi.
> > I'm running tkprof on my PC with a version 9i client.
> > The trace file was generated on a Solars version
> > 8.1.7.4 database. (I'm using tkprof on 9i to get wait
> > statistics.) The trace is 10046 level 12
> >
> > I assume the time waited is in addition to the elapsed
> > time for the call -- correct?
> >
> > Since the database itself is 8i, does that mean that
> > the wait stats are in centiseconds? I want to know
> > what the sql*net message from client wait time of
> > 10.73 represents:
> >
> > Elapsed times include waiting on following events:
> > Event waited on Times Max. Wait Total
> > Waited
> > -------------------- Waited ---------- ---------
> > SQL*Net message to client 8 0.00 0.00
> > SQL*Net message from client 8 10.71 10.73
> >
> > Here's all the code:
> >
> > select /*ClassSQL*/ distinct co.class,cl.claname
> > from
> > classorder co,class cl where co.paper='DNA' and
> > co.page='EM' and co.class=
> > cl.class and co.paper=cl.paper and cl.clatype='0'
> > order by 1
> >
> > call count cpu elapsed disk
> > query current rows
> > ------- ------ -------- ---------- ----------
> > ---------- ---------- ----------
> > Parse 1 0.01 0.01 0
> > 0 0 0
> > Execute 1 0.00 0.00 0
> > 0 0 0
> > Fetch 8 0.01 0.01 0
> > 169 0 82
> > ------- ------ -------- ---------- ----------
> > ---------- ---------- ----------
> > total 10 0.02 0.02 0
> > 169 0 82
> >
> > Misses in library cache during parse: 1
> > Optimizer goal: CHOOSE
> > Parsing user id: 586 (SYSADMIN)
> >
> > Rows Row Source Operation
> > -------
> > ---------------------------------------------------
> > 82 SORT UNIQUE
> > 82 NESTED LOOPS
> > 83 INDEX RANGE SCAN (object id 395118)
> > 82 TABLE ACCESS BY INDEX ROWID CLASS
> > 164 INDEX UNIQUE SCAN (object id 395113)
> >
> > Rows Execution Plan
> > -------
> > ---------------------------------------------------
> > 0 SELECT STATEMENT GOAL: CHOOSE
> > 82 SORT (UNIQUE)
> > 82 NESTED LOOPS
> > 83 INDEX GOAL: ANALYZED (RANGE SCAN) OF
> > 'I_CLO1' (NON-UNIQUE)
> >
> > 82 TABLE ACCESS GOAL: ANALYZED (BY INDEX
> > ROWID) OF 'CLASS'
> > 164 INDEX GOAL: ANALYZED (UNIQUE SCAN) OF
> > 'I_CLA1' (UNIQUE)
> >
> > Thanks for any help.
> >
> > Barb
> >
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> Author: Daniel Fink
> INET: Daniel.Fink_at_Sun.COM
>
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Mladen Gogala
Oracle DBA

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