| From: | Mark Wong <markw(at)osdl(dot)org> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | maryedie(at)osdl(dot)org, Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>, Josh Berkus <josh(at)agliodbs(dot)com> |
| Subject: | Re: data on devel code perf dip |
| Date: | 2005-08-16 23:07:30 |
| Message-ID: | 200508162307.j7GN71jA007197@smtp.osdl.org |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers pgsql-patches |
On Tue, 16 Aug 2005 18:53:55 -0400
Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Mary Edie Meredith <maryedie(at)osdl(dot)org> writes:
> > I'm still very concerned about what I'm seeing in the oprofile:
> > namely: .CreateLWLocks is the second highest entry for postgres.
> > http://developer.osdl.org/maryedie/DBT2_PGSQL/59/oprofile.txt
>
> This says there's something wrong with your oprofile setup.
> CreateLWLocks is run *once* at postmaster startup, and it doesn't
> take all that long. Check to see if maybe your executables are
> out of sync with what oprofile is looking at?
It is a POWER5 platform, if that has anything to do with it. It
certainly doesn't look sane, but for user apps oprofile is supposed to
be getting the symbols directly from the binaries its using. I'm
inclined to blame the platform support. ;)
Mark
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Joshua D. Drake | 2005-08-16 23:07:41 | Re: pl/Ruby, deprecating plPython and Core |
| Previous Message | Josh Berkus | 2005-08-16 23:06:10 | Re: pl/Ruby, deprecating plPython and Core |
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Mary Edie Meredith | 2005-08-16 23:41:11 | Re: data on devel code perf dip |
| Previous Message | Mary Edie Meredith | 2005-08-16 23:02:19 | Re: data on devel code perf dip |