Re: Verify predefined LWLocks tranches have entries in wait_event_names.txt

Nathan Bossart <nathandbossart@gmail.com>

From: Nathan Bossart <nathandbossart@gmail.com>
To: Bertrand Drouvot <bertranddrouvot.pg@gmail.com>
Cc: PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2025-07-21T20:20:55Z
Lists: pgsql-hackers
On Fri, Jul 18, 2025 at 01:39:15PM +0000, Bertrand Drouvot wrote:
> +#define PG_BUILTIN_LWTRANCHE(id, name) [id] = name,
> +#include "storage/lwlocktranchelist.h"
> +#undef PG_BUILTIN_LWTRANCHE

Why not reuse PG_LWLOCK for this?

> +	# Stop recording if we reach another section.
> +	last if /^Section:/;

Can we add a note to wait_event_names.txt about the required
ordering/matching of the non-predefined LWLocks?  Otherwise, these patches
look pretty good to me.

-- 
nathan



Commits

  1. Cross-check lists of built-in LWLock tranches.

  2. Remove unused variable in generate-lwlocknames.pl.

  3. Rework lwlocknames.txt to become lwlocklist.h