Re: more detailed timing ?

Lists: pgsql-hackers
From: Oleg Bartunov <oleg(at)sai(dot)msu(dot)su>
To: Pgsql Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: more detailed timing ?
Date: 2005-03-23 19:28:02
Message-ID: Pine.GSO.4.62.0503232224370.5508@ra.sai.msu.su
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Hi there,

is't possible to get timings separately for index anf heap processing,
like we get separate stats for io ?

Regards,
Oleg
_____________________________________________________________
Oleg Bartunov, sci.researcher, hostmaster of AstroNet,
Sternberg Astronomical Institute, Moscow University (Russia)
Internet: oleg(at)sai(dot)msu(dot)su, http://www.sai.msu.su/~megera/
phone: +007(095)939-16-83, +007(095)939-23-83


From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Oleg Bartunov <oleg(at)sai(dot)msu(dot)su>
Cc: Pgsql Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: more detailed timing ?
Date: 2005-03-23 20:13:58
Message-ID: 13869.1111608838@sss.pgh.pa.us
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Oleg Bartunov <oleg(at)sai(dot)msu(dot)su> writes:
> is't possible to get timings separately for index anf heap processing,
> like we get separate stats for io ?

gprof?

regards, tom lane


From: Oleg Bartunov <oleg(at)sai(dot)msu(dot)su>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Pgsql Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: more detailed timing ?
Date: 2005-03-23 20:19:21
Message-ID: Pine.GSO.4.62.0503232317060.5508@ra.sai.msu.su
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On Wed, 23 Mar 2005, Tom Lane wrote:

> Oleg Bartunov <oleg(at)sai(dot)msu(dot)su> writes:
>> is't possible to get timings separately for index anf heap processing,
>> like we get separate stats for io ?
>
> gprof?

oh, no. I need 2 numbers only :) What's \timing in psql does ?
Or it's just a wrapper to system 'time' ?

>
> regards, tom lane
>

Regards,
Oleg
_____________________________________________________________
Oleg Bartunov, sci.researcher, hostmaster of AstroNet,
Sternberg Astronomical Institute, Moscow University (Russia)
Internet: oleg(at)sai(dot)msu(dot)su, http://www.sai.msu.su/~megera/
phone: +007(095)939-16-83, +007(095)939-23-83


From: Neil Conway <neilc(at)samurai(dot)com>
To: Oleg Bartunov <oleg(at)sai(dot)msu(dot)su>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Pgsql Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: more detailed timing ?
Date: 2005-03-24 12:35:35
Message-ID: 4242B417.7020005@samurai.com
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Oleg Bartunov wrote:
> oh, no. I need 2 numbers only :) What's \timing in psql does ?
> Or it's just a wrapper to system 'time' ?

It computes wall-clock time via gettimeofday(), and is entirely
implemented on the client-side.

-Neil