Horton

Re: [PATCH] Identify LWLocks in tracepoints

Craig Ringer <craig.ringer@enterprisedb.com>

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From: Craig Ringer <craig.ringer@enterprisedb.com>
To: Andres Freund <andres@anarazel.de>
Cc: Peter Eisentraut <peter.eisentraut@enterprisedb.com>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2021-05-05T01:15:11Z
Lists: pgsql-hackers 
On Wed, 5 May 2021, 06:15 Andres Freund, <andres@anarazel.de> wrote:

> Hi,
>
> warning: suggest braces around empty body in an ‘if’ statement
> [-Wempty-body]
>  1322 |    TRACE_POSTGRESQL_LWLOCK_WAIT_START(T_NAME(lock), mode);
>       |                                                          ^
>


Odd that I didn't get that.

I'll send a patch to revise shortly.

Commits

  1. Emit dummy statements for probes.d probes when disabled

  2. Prevent lwlock dtrace probes from unnecessary work

  3. doc: Fix typo in logicaldecoding.sgml.

  4. Move lwlock-release probe back where it belongs

  5. Remove bogus tracepoint

  6. Simplify LWLock tranche machinery by removing array_base/array_stride.

  7. Improve LWLock scalability.