Re: Verify predefined LWLocks tranches have entries in wait_event_names.txt - Mailing list pgsql-hackers

From Nathan Bossart
Subject Re: Verify predefined LWLocks tranches have entries in wait_event_names.txt
Date
Msg-id aH6i3iCHaeZ6e1vr@nathan
Whole thread Raw
In response to Re: Verify predefined LWLocks tranches have entries in wait_event_names.txt  (Nathan Bossart <nathandbossart@gmail.com>)
Responses Re: Verify predefined LWLocks tranches have entries in wait_event_names.txt
Re: Verify predefined LWLocks tranches have entries in wait_event_names.txt
List pgsql-hackers
On Mon, Jul 21, 2025 at 03:20:55PM -0500, Nathan Bossart wrote:
> 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.

Something else I just thought of: could we remove the list of built-in
tranches in lwlock.h with some macro magic that generates it from
lwlocktranchelist.h, too?

-- 
nathan



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