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Create a distinct wait event for POSIX DSM allocation.

author Thomas Munro <tmunro@postgresql.org>

2022年7月14日 10:52:13 +0000 (22:52 +1200)

committer Thomas Munro <tmunro@postgresql.org>

2022年7月14日 11:56:28 +0000 (23:56 +1200)

commit 7bae3bbf62d63cdd49ae4ca4a851cef0cdbe6ab5

tree 943579628b9baf14f82a468cf34c55e47d4891d6 tree

parent 712704d3539e5ed6807e0b46fddaaf8ed47c2403 commit | diff

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@anarazel.de>
Discussion: https://postgr.es/m/20220711174518.yldckniicknsxgzl%40awork3.anarazel.de

doc/src/sgml/monitoring.sgml diff | blob | blame | history

src/backend/storage/ipc/dsm_impl.c diff | blob | blame | history

src/backend/utils/activity/wait_event.c diff | blob | blame | history

src/include/utils/wait_event.h diff | blob | blame | history

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