Re: profiling connection overhead

Tom Lane <tgl@sss.pgh.pa.us>

From: Tom Lane <tgl@sss.pgh.pa.us>

To: Robert Haas <robertmhaas@gmail.com>

Cc: Andres Freund <andres@anarazel.de>, pgsql-hackers@postgresql.org, Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>

Date: 2010-11-24T22:03:48Z

Lists: pgsql-hackers

Robert Haas <robertmhaas@gmail.com> writes:
> On Wed, Nov 24, 2010 at 4:05 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> (You might be able to confirm or disprove this theory if you ask
>> oprofile to count memory access stalls instead of CPU clock cycles...)

> I don't see an event for that.

You probably want something involving cache misses.  The event names
vary depending on just which CPU you've got.

			regards, tom lane