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postgresql/src/backend/utils/activity/Makefile

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Split wait event related code from pgstat.[ch] into wait_event.[ch]. The wait event related code is independent from the rest of the pgstat.[ch] code, of nontrivial size and changes on a regular basis. Put it into its own set of files. As there doesn't seem to be a good pre-existing directory for code like this, add src/backend/utils/activity. Reviewed-By: Robert Haas <robertmhaas@gmail.com> Discussion: https://postgr.es/m/20210316195440.twxmlov24rr2nxrg@alap3.anarazel.de
2021-04-03 04:45:24 +02:00
#-------------------------------------------------------------------------
#
# Makefile for backend/utils/activity
#
Update copyright for 2023 Backpatch-through: 11
2023-01-02 21:00:37 +01:00
# Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
Split wait event related code from pgstat.[ch] into wait_event.[ch]. The wait event related code is independent from the rest of the pgstat.[ch] code, of nontrivial size and changes on a regular basis. Put it into its own set of files. As there doesn't seem to be a good pre-existing directory for code like this, add src/backend/utils/activity. Reviewed-By: Robert Haas <robertmhaas@gmail.com> Discussion: https://postgr.es/m/20210316195440.twxmlov24rr2nxrg@alap3.anarazel.de
2021-04-03 04:45:24 +02:00
# Portions Copyright (c) 1994, Regents of the University of California
#
# src/backend/utils/activity/Makefile
#
#-------------------------------------------------------------------------
subdir = src/backend/utils/activity
top_builddir = ../../../..
include $(top_builddir)/src/Makefile.global
OBJS = \
Split backend status and progress related functionality out of pgstat.c. Backend status (supporting pg_stat_activity) and command progress (supporting pg_stat_progress*) related code is largely independent from the rest of pgstat.[ch] (supporting views like pg_stat_all_tables that accumulate data over time). See also a333476b925. This commit doesn't rename the function names to make the distinction from the rest of pgstat_ clearer - that'd be more invasive and not clearly beneficial. If we were to decide to do such a rename at some point, it's better done separately from moving the code as well. Robert's review was of an earlier version. Reviewed-By: Robert Haas <robertmhaas@gmail.com> Discussion: https://postgr.es/m/20210316195440.twxmlov24rr2nxrg@alap3.anarazel.de
2021-04-03 20:42:52 +02:00
backend_progress.o \
backend_status.o \
pgstat: move pgstat.c to utils/activity. Now that pgstat is not related to postmaster anymore, src/backend/postmaster is not a well fitting directory. Author: Andres Freund <andres@anarazel.de> Discussion: https://postgr.es/m/20220303021600.hs34ghqcw6zcokdh@alap3.anarazel.de
2022-04-07 06:29:46 +02:00
pgstat.o \
pgstat: split different types of stats into separate files. pgstat.c is very long, and it's hard to find an order that makes sense and is likely to be maintained over time. Splitting the different pieces into separate files makes that a lot easier. With a few exceptions, this commit just moves code around. Those exceptions are: - adding file headers for new files - removing 'static' from functions - adapting pgstat_assert_is_up() to work across TUs - minor comment adjustments git diff --color-moved=dimmed-zebra is very helpful separating code movement from code changes. The next commit in this series will reorder pgstat.[ch] contents to be a bit more coherent. Earlier revisions of this patch had "global" statistics (archiver, bgwriter, checkpointer, replication slots, SLRU, WAL) in one file, because each seemed small enough. However later commits will increase their size and their aggregate size is not insubstantial. It also just seems easier to split each type of statistic into its own file. Author: Andres Freund <andres@anarazel.de> Discussion: https://postgr.es/m/20220303021600.hs34ghqcw6zcokdh@alap3.anarazel.de
2022-03-21 20:02:25 +01:00
pgstat_archiver.o \
pgstat_bgwriter.o \
pgstat_checkpointer.o \
pgstat_database.o \
pgstat_function.o \
pgstat_relation.o \
pgstat_replslot.o \
pgstat: store statistics in shared memory. Previously the statistics collector received statistics updates via UDP and shared statistics data by writing them out to temporary files regularly. These files can reach tens of megabytes and are written out up to twice a second. This has repeatedly prevented us from adding additional useful statistics. Now statistics are stored in shared memory. Statistics for variable-numbered objects are stored in a dshash hashtable (backed by dynamic shared memory). Fixed-numbered stats are stored in plain shared memory. The header for pgstat.c contains an overview of the architecture. The stats collector is not needed anymore, remove it. By utilizing the transactional statistics drop infrastructure introduced in a prior commit statistics entries cannot "leak" anymore. Previously leaked statistics were dropped by pgstat_vacuum_stat(), called from [auto-]vacuum. On systems with many small relations pgstat_vacuum_stat() could be quite expensive. Now that replicas drop statistics entries for dropped objects, it is not necessary anymore to reset stats when starting from a cleanly shut down replica. Subsequent commits will perform some further code cleanup, adapt docs and add tests. Bumps PGSTAT_FILE_FORMAT_ID. Author: Kyotaro Horiguchi <horikyota.ntt@gmail.com> Author: Andres Freund <andres@anarazel.de> Author: Melanie Plageman <melanieplageman@gmail.com> Reviewed-By: Andres Freund <andres@anarazel.de> Reviewed-By: Thomas Munro <thomas.munro@gmail.com> Reviewed-By: Justin Pryzby <pryzby@telsasoft.com> Reviewed-By: "David G. Johnston" <david.g.johnston@gmail.com> Reviewed-By: Tomas Vondra <tomas.vondra@2ndquadrant.com> (in a much earlier version) Reviewed-By: Arthur Zakirov <a.zakirov@postgrespro.ru> (in a much earlier version) Reviewed-By: Antonin Houska <ah@cybertec.at> (in a much earlier version) Discussion: https://postgr.es/m/20220303021600.hs34ghqcw6zcokdh@alap3.anarazel.de Discussion: https://postgr.es/m/20220308205351.2xcn6k4x5yivcxyd@alap3.anarazel.de Discussion: https://postgr.es/m/20210319235115.y3wz7hpnnrshdyv6@alap3.anarazel.de
2022-04-07 06:29:46 +02:00
pgstat_shmem.o \
pgstat: move transactional code into pgstat_xact.c. The transactional integration code is largely independent from the rest of pgstat.c. Subsequent commits will add more related code. Author: Andres Freund <andres@anarazel.de> Reviewed-By: Thomas Munro <thomas.munro@gmail.com> Discussion: https://postgr.es/m/20220404041516.cctrvpadhuriawlq@alap3.anarazel.de
2022-04-06 22:23:47 +02:00
pgstat_slru.o \
pgstat: split different types of stats into separate files. pgstat.c is very long, and it's hard to find an order that makes sense and is likely to be maintained over time. Splitting the different pieces into separate files makes that a lot easier. With a few exceptions, this commit just moves code around. Those exceptions are: - adding file headers for new files - removing 'static' from functions - adapting pgstat_assert_is_up() to work across TUs - minor comment adjustments git diff --color-moved=dimmed-zebra is very helpful separating code movement from code changes. The next commit in this series will reorder pgstat.[ch] contents to be a bit more coherent. Earlier revisions of this patch had "global" statistics (archiver, bgwriter, checkpointer, replication slots, SLRU, WAL) in one file, because each seemed small enough. However later commits will increase their size and their aggregate size is not insubstantial. It also just seems easier to split each type of statistic into its own file. Author: Andres Freund <andres@anarazel.de> Discussion: https://postgr.es/m/20220303021600.hs34ghqcw6zcokdh@alap3.anarazel.de
2022-03-21 20:02:25 +01:00
pgstat_subscription.o \
pgstat_wal.o \
pgstat: move transactional code into pgstat_xact.c. The transactional integration code is largely independent from the rest of pgstat.c. Subsequent commits will add more related code. Author: Andres Freund <andres@anarazel.de> Reviewed-By: Thomas Munro <thomas.munro@gmail.com> Discussion: https://postgr.es/m/20220404041516.cctrvpadhuriawlq@alap3.anarazel.de
2022-04-06 22:23:47 +02:00
pgstat_xact.o \
Split wait event related code from pgstat.[ch] into wait_event.[ch]. The wait event related code is independent from the rest of the pgstat.[ch] code, of nontrivial size and changes on a regular basis. Put it into its own set of files. As there doesn't seem to be a good pre-existing directory for code like this, add src/backend/utils/activity. Reviewed-By: Robert Haas <robertmhaas@gmail.com> Discussion: https://postgr.es/m/20210316195440.twxmlov24rr2nxrg@alap3.anarazel.de
2021-04-03 04:45:24 +02:00
wait_event.o
include $(top_srcdir)/src/backend/common.mk