Re: Why our Valgrind reports suck

From: Andres Freund <andres(at)anarazel(dot)de>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Álvaro Herrera <alvherre(at)kurilemu(dot)de>, pgsql-hackers(at)lists(dot)postgresql(dot)org
Subject: Re: Why our Valgrind reports suck
Date: 2025-05-23 15:42:49
Message-ID: vcbwaa7wtojfkhrhmb6d6aexhf7l3mpwzud2defzifnvejlhlc@wh4mkk5bqpgc
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Hi,

On 2025-05-22 21:48:24 -0400, Tom Lane wrote:
> Andres Freund <andres(at)anarazel(dot)de> writes:
> >> But this is the last step to get to zero reported leaks in a run of the core
> >> regression tests, so let's do it.
>
> > I assume that's just about the core tests, not more? I.e. I can't make skink
> > enable leak checking?
>
> No, we're not there yet. I've identified some other backend issues (in
> postgres_fdw in particular), and I've not looked at frontend programs
> at all. For most frontend programs, I'm dubious how much we care.

Skink only tests backend stuff anyway, but the other backend issues make it a
no go for no...

> I'm envisioning this patch series as v19 work, were you
> thinking we should be more aggressive?

Mostly agreed - but I am wondering if the AV fix should be backpatched?

Greetings,

Andres Freund

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