Re: valgrind a background worker

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.

regards, tom lane