On Wed, Nov 24, 2010 at 01:20:36PM -0500, Robert Haas wrote:
> On Wed, Nov 24, 2010 at 1:06 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> > Robert Haas <robertmhaas@gmail.com> writes:
> >> OK, patch attached.
> >
> > Two comments:
>
> Revised patch attached.
>
> I tried configuring oprofile with --callgraph=10 and then running
> oprofile with -c, but it gives kooky looking output I can't interpret.
> For example:
>
> 6 42.8571 postgres record_in
> 8 57.1429 postgres pg_perm_setlocale
> 17035 5.7219 libc-2.11.2.so memcpy
> 17035 100.000 libc-2.11.2.so memcpy [self]
>
> Not that helpful. :-(
Have a look at the wiki:
http://wiki.postgresql.org/wiki/Profiling_with_OProfile#Additional_analysis
> Robert Haas
Regards, Gerhard Heift