| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Marco Boeringa <marco(at)boeringa(dot)demon(dot)nl> |
| Cc: | pgsql-bugs(at)lists(dot)postgresql(dot)org |
| Subject: | Re: Potential "AIO / io workers" inter-worker locking issue in PG18? |
| Date: | 2025-10-06 21:39:52 |
| Message-ID: | larzbthzg6gln5vguskify5zqfhnmz4zhhweghf4qot3rarhw5@sggz2a3psjcp |
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| Lists: | pgsql-bugs |
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
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