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Generate pgstat_count_slru*() functions for slru using macros

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This change replaces seven functions definitions by macros, reducing a
bit some repetitive patterns in the code.  An interesting side effect is
that this removes an inconsistency in the naming of SLRU increment
functions with the field names.

This change is similar to 850f4b4c8c, 8018ffbf58 or 83a1a1b566.

Author: Bertrand Drouvot <bertranddrouvot.pg@gmail.com>
Discussion: https://postgr.es/m/aLHA//gr4dTpDHHC@ip-10-97-1-34.eu-west-3.compute.internal
This commit is contained in:
Michael Paquier
2025-09-02 16:22:03 +09:00
parent a850be2fe6
commit eccba079c2
3 changed files with 31 additions and 45 deletions
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54
src/backend/utils/activity/pgstat_slru.c
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@@ -55,47 +55,33 @@ pgstat_reset_slru(const char *name)
* SLRU statistics count accumulation functions --- called from slru.c
*/
void
pgstat_count_slru_page_zeroed(int slru_idx)
{
get_slru_entry(slru_idx)->blocks_zeroed += 1;
#define PGSTAT_COUNT_SLRU(stat) \
void \
CppConcat(pgstat_count_slru_,stat)(int slru_idx) \
{ \
get_slru_entry(slru_idx)->stat += 1; \
}
void
pgstat_count_slru_page_hit(int slru_idx)
{
get_slru_entry(slru_idx)->blocks_hit += 1;
}
/* pgstat_count_slru_blocks_zeroed */
PGSTAT_COUNT_SLRU(blocks_zeroed)
void
pgstat_count_slru_page_exists(int slru_idx)
{
get_slru_entry(slru_idx)->blocks_exists += 1;
}
/* pgstat_count_slru_blocks_hit */
PGSTAT_COUNT_SLRU(blocks_hit)
void
pgstat_count_slru_page_read(int slru_idx)
{
get_slru_entry(slru_idx)->blocks_read += 1;
}
/* pgstat_count_slru_blocks_exists */
PGSTAT_COUNT_SLRU(blocks_exists)
void
pgstat_count_slru_page_written(int slru_idx)
{
get_slru_entry(slru_idx)->blocks_written += 1;
}
/* pgstat_count_slru_blocks_read */
PGSTAT_COUNT_SLRU(blocks_read)
void
pgstat_count_slru_flush(int slru_idx)
{
get_slru_entry(slru_idx)->flush += 1;
}
/* pgstat_count_slru_blocks_written */
PGSTAT_COUNT_SLRU(blocks_written)
void
pgstat_count_slru_truncate(int slru_idx)
{
get_slru_entry(slru_idx)->truncate += 1;
}
/* pgstat_count_slru_flush */
PGSTAT_COUNT_SLRU(flush)
/* pgstat_count_slru_truncate */
PGSTAT_COUNT_SLRU(truncate)
/*
* Support function for the SQL-callable pgstat* functions. Returns