You may also try PgFouine (http://pgfouine.projects.postgresql.org/)
for log analysis, I found it very useful in similar situation.
On 5/17/06, Ruben Rubio Rey <ruben@rentalia.com> wrote:
> Hi,
>
> I have a web page, that executes several SQLs.
>
> So, I would like to know witch one of those SQLs consumes more CPU.
> For example,
> I have SQL1 that is executed in 1.2 secs and a SQL2 that is executed in
> 200 ms.
>
> But SQL2 is executed 25 times and SQL1 is executed 1 time, so really
> SQL2 consumes more CPU time.
>
> Is there any way to know this?
> I have think that logging all SQLs and then cheking it is a way to do it
> ... any other idea?
>
> Thanks in advance
>
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