Re: Potential "AIO / io workers" inter-worker locking issue in PG18?

On 2025-10-06 22:41:31 +0200, Marco Boeringa wrote:
> Hi Andres,
> 
> I now found out that I do have a 'perf' living under one of 'usr' folders,
> but unfortunately, this is the 6.8 kernel version:
> 
> /usr/lib/linux-tools-6.8.0-85
> 
> None of the other suggested packages and their likely install folders seem
> to contain perf.
> 
> Since perf appears and rather understandably seems to need to exactly match
> the kernel version, I can't use this one, as my kernel was already upgraded
> to 6.14 by a more or less forced update in Software Updater.

I'm pretty sure that you can use any halfway-recent perf binary, they don't
actually need to match exactly. I don't know why ubuntu insists on a perfect
match. I regularly run completely different versions.

Greetings,

Andres Freund