pgsql: Create a distinct wait event for POSIX DSM allocation.

From: Thomas Munro <tmunro(at)postgresql(dot)org>
To: pgsql-committers(at)lists(dot)postgresql(dot)org
Subject: pgsql: Create a distinct wait event for POSIX DSM allocation.
Date: 2022-07-14 12:00:34
Message-ID: E1oBxWD-00086d-K0@gemulon.postgresql.org
Views: Whole Thread | Raw Message | Download mbox | Resend email
Thread:
Lists: pgsql-committers

Create a distinct wait event for POSIX DSM allocation.

Previously we displayed "DSMFillZeroWrite" while in posix_fallocate(),
because we shared the same wait event for "mmap" and "posix" DSM types.
Let's introduce a new wait event "DSMAllocate", to be more accurate.

Reported-by: Andres Freund <andres(at)anarazel(dot)de>
Discussion: https://postgr.es/m/20220711174518.yldckniicknsxgzl%40awork3.anarazel.de

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/7bae3bbf62d63cdd49ae4ca4a851cef0cdbe6ab5

Modified Files
--------------
doc/src/sgml/monitoring.sgml | 5 +++++
src/backend/storage/ipc/dsm_impl.c | 2 +-
src/backend/utils/activity/wait_event.c | 3 +++
src/include/utils/wait_event.h | 1 +
4 files changed, 10 insertions(+), 1 deletion(-)

Browse pgsql-committers by date

  From Date Subject
Next Message Thomas Munro 2022-07-14 12:01:02 pgsql: Block signals while allocating DSM memory.
Previous Message Peter Eisentraut 2022-07-14 10:05:13 Re: pgsql: Avoid unsatisfied-external-reference errors in static inlines.