8fb580a35c
With the introduction of PgStat_Kind PgStat_Single_Reset_Type, PgStat_Shared_Reset_Target don't make sense anymore. Replace them with PgStat_Kind. Instead of having dedicated reset functions for different kinds of stats, use two generic helper routines (one to reset all stats of a kind, one to reset one stats entry). A number of reset functions were named pgstat_reset_*_counter(), despite affecting multiple counters. The generic helper routines get rid of pgstat_reset_single_counter(), pgstat_reset_subscription_counter(). Rename pgstat_reset_slru_counter(), pgstat_reset_replslot_counter() to pgstat_reset_slru(), pgstat_reset_replslot() respectively, and have them only deal with a single SLRU/slot. Resetting all SLRUs/slots goes through the generic pgstat_reset_of_kind(). Previously pg_stat_reset_replication_slot() used SearchNamedReplicationSlot() to check if a slot exists. API wise it seems better to move that to pgstat_replslot.c. This is done separately from the - quite large - shared memory statistics patch to make review easier. Reviewed-By: Kyotaro Horiguchi <horikyota.ntt@gmail.com> Discussion: https://postgr.es/m/20220404041516.cctrvpadhuriawlq@alap3.anarazel.de |
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| .. | ||
| activity | ||
| adt | ||
| cache | ||
| error | ||
| fmgr | ||
| hash | ||
| init | ||
| mb | ||
| misc | ||
| mmgr | ||
| resowner | ||
| sort | ||
| time | ||
| .gitignore | ||
| Gen_dummy_probes.pl | ||
| Gen_dummy_probes.pl.prolog | ||
| Gen_dummy_probes.sed | ||
| Gen_fmgrtab.pl | ||
| Makefile | ||
| README.Gen_dummy_probes | ||
| errcodes.txt | ||
| generate-errcodes.pl | ||
| probes.d | ||
README.Gen_dummy_probes
# Generating dummy probes If Postgres isn't configured with dtrace enabled, we need to generate dummy probes for the entries in probes.d, that do nothing. This is accomplished in Unix via the sed script `Gen_dummy_probes.sed`. We used to use this in MSVC builds using the perl utility `psed`, which mimicked sed. However, that utility disappeared from Windows perl distributions and so we converted the sed script to a perl script to be used in MSVC builds. We still keep the sed script as the authoritative source for generating these dummy probes because except on Windows perl is not a hard requirement when building from a tarball. So, if you need to change the way dummy probes are generated, first change the sed script, and when it's working generate the perl script. This can be accomplished by using the perl utility s2p. s2p is no longer part of the perl core, so it might not be on your system, but it is available on CPAN and also in many package systems. e.g. on Fedora it can be installed using `cpan App::s2p` or `dnf install perl-App-s2p`. The Makefile contains a recipe for regenerating Gen_dummy_probes.pl, so all you need to do is once you have s2p installed is `make Gen_dummy_probes.pl` Note that in a VPATH build this will generate the file in the vpath tree, not the source tree.