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Re: Session Stat interpretation - total runtime

From: Stephane Faroult <sfaroult_at_oriole.com>
Date: Tue, 16 Sep 2003 12:39:40 -0800
Message-ID: <F001.005D0135.20030916123940@fatcity.com>


"Erroba, Ildefonso N" wrote:
>
> Four CPUs.
>
> NAME VALUE
> ============================== ========
> cpu_count 4
>
>
> -----Original Message-----
> Sent: Tuesday, September 16, 2003 12:30 PM
> To: Multiple recipients of list ORACLE-L
>
> "Erroba, Ildefonso N" wrote:
> >
> > I believe that a number of threads have already discussed how to equate
> the
> > total runtime of a given session to its individual stats as shown in
> > v$sesstat, but I could not find on my collection of threads relating to
> this
> > subject.
> >
> > The stats below shows that the individual session stat is more than the
> > total runtime. I calculated session stat using the wait events (1268 secs)
> +
> > CPU used by this session (182141/100) = 3089 secs, whereas the total
> runtime
> > is only 2622 secs (sysdate - logon_time). Could somebody help in
> accounting
> > for the discrepancy? Appreciate any input on this.
>
> How many CPUs ?
>
> --
> Regards,
>
> Stephane Faroult
> Oriole Software
> --

In that case, for each elapsed second you have 4 seconds of CPU available ... may help understand time warps without calling relativity to the rescue ...  

-- 
Regards,

Stephane Faroult
Oriole Software
-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.net
-- 
Author: Stephane Faroult
  INET: sfaroult_at_oriole.com

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Received on Tue Sep 16 2003 - 15:39:40 CDT

Original text of this message

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