From: | Pavan Deolasee <pavan(dot)deolasee(at)gmail(dot)com> |
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To: | HuangQi <huangqiyx(at)gmail(dot)com> |
Cc: | pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: gdb with postgres |
Date: | 2011-06-06 07:46:35 |
Message-ID: | BANLkTin7tK5G5X_-caZzR+tXZhgn2s3Axw@mail.gmail.com |
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Lists: | pgsql-hackers |
On Mon, Jun 6, 2011 at 1:13 PM, HuangQi <huangqiyx(at)gmail(dot)com> wrote:
> Hi,
> I was using gdb to debug postgres. In order to debug the backend of
> running query, I start postgres first and use "select * from
> pg_backend_pid()" to ask for backend pid. Then I start gdb in another bash
> window with "gdb postgres" and attach the pid obtained above and set the
> breakpoint. Then I run the query from the first window. However, the
> debugging precess which is shown below is not going to the breakpoint. I
> tried many different breakpoints, but it always start from the 305
> client_read_ended().
>
Please compile with -O0 -g flags to see all the debug symbols.
CFLAGS="-O0 -g" ./configure --enable-debug
Thanks,
Pavan
--
Pavan Deolasee
EnterpriseDB http://www.enterprisedb.com
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