| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: profiling connection overhead |
| Date: | 2010-11-24 18:20:36 |
| Message-ID: | AANLkTimzMGWrAs2DTMA4n7tEt9mRHOOjDY_Rrg4WpB6F@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Wed, Nov 24, 2010 at 1:06 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Robert Haas <robertmhaas(at)gmail(dot)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. :-(
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
| Attachment | Content-Type | Size |
|---|---|---|
| AtProcExit_Buffers-v2.patch | application/octet-stream | 2.3 KB |
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