Re: valgrind a background worker

On 2/10/23 3:05 PM, Tom Lane wrote:
> Jeffrey Walton <noloader(at)gmail(dot)com> writes:
>> On Fri, Feb 10, 2023 at 10:04 AM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>>> You have to valgrind the whole cluster AFAIK. Basically, start
>>> the postmaster under valgrind with --trace-children=yes.
>>> For leak tracking you probably also want
>>> --leak-check=full --track-origins=yes --read-var-info=yes
>
>> One additional comment... the program in question and PostgreSQL
>> should also be built with -g -O1 per
>> https://valgrind.org/docs/manual/quick-start.html . Otherwise, there's
>> a risk the line information will not be accurate or usable.
>
> Yeah. Also, you need to compile Postgres with -DUSE_VALGRIND
> if you want valgrind to have any idea about palloc/pfree.

Thanks much both of you! I'll report back how it goes ;)
--
Jon Erdman (aka StuckMojo)
PostgreSQL Zealot