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Added GUC configuration options to control access statistics.

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Jan
This commit is contained in:
Jan Wieck
2001-07-05 15:19:40 +00:00
parent 2f3bd9eb88
commit 6497a7fd71
4 changed files with 95 additions and 25 deletions
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42
src/include/pgstat.h
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@ -5,7 +5,7 @@
*
* Copyright (c) 2001, PostgreSQL Global Development Group
*
* $Id: pgstat.h,v 1.3 2001/06/29 23:03:02 tgl Exp $
* $Id: pgstat.h,v 1.4 2001/07/05 15:19:40 wieck Exp $
* ----------
*/
#ifndef PGSTAT_H
@ -321,7 +321,15 @@ typedef union PgStat_Msg
} PgStat_Msg;
/* ----------
* Global variables
* ----------
*/
extern bool pgstat_collect_startcollector;
extern bool pgstat_collect_resetonpmstart;
extern bool pgstat_collect_querystring;
extern bool pgstat_collect_tuplelevel;
extern bool pgstat_collect_blocklevel;
/* ----------
* Functions called from postmaster
@ -350,64 +358,66 @@ extern void pgstat_initstats(PgStat_Info *stats, Relation rel);
#define pgstat_reset_heap_scan(s) \
do { \
if ((s)->tabentry != NULL) \
if (pgstat_collect_tuplelevel && (s)->tabentry != NULL) \
(s)->heap_scan_counted = FALSE; \
} while (0)
#define pgstat_count_heap_scan(s) \
do { \
if ((s)->tabentry != NULL && !(s)->heap_scan_counted) { \
if (pgstat_collect_tuplelevel && (s)->tabentry != NULL && \
!(s)->heap_scan_counted) { \
((PgStat_TableEntry *)((s)->tabentry))->t_numscans++; \
(s)->heap_scan_counted = TRUE; \
} \
} while (0)
#define pgstat_count_heap_getnext(s) \
do { \
if ((s)->tabentry != NULL) \
if (pgstat_collect_tuplelevel && (s)->tabentry != NULL) \
((PgStat_TableEntry *)((s)->tabentry))->t_tuples_returned++; \
} while (0)
#define pgstat_count_heap_fetch(s) \
do { \
if ((s)->tabentry != NULL) \
if (pgstat_collect_tuplelevel && (s)->tabentry != NULL) \
((PgStat_TableEntry *)((s)->tabentry))->t_tuples_fetched++; \
} while (0)
#define pgstat_count_heap_insert(s) \
do { \
if ((s)->tabentry != NULL) \
if (pgstat_collect_tuplelevel && (s)->tabentry != NULL) \
((PgStat_TableEntry *)((s)->tabentry))->t_tuples_inserted++; \
} while (0)
#define pgstat_count_heap_update(s) \
do { \
if ((s)->tabentry != NULL) \
if (pgstat_collect_tuplelevel && (s)->tabentry != NULL) \
((PgStat_TableEntry *)((s)->tabentry))->t_tuples_updated++; \
} while (0)
#define pgstat_count_heap_delete(s) \
do { \
if ((s)->tabentry != NULL) \
if (pgstat_collect_tuplelevel && (s)->tabentry != NULL) \
((PgStat_TableEntry *)((s)->tabentry))->t_tuples_deleted++; \
} while (0)
#define pgstat_reset_index_scan(s) \
do { \
if ((s)->tabentry != NULL) \
if (pgstat_collect_tuplelevel && (s)->tabentry != NULL) \
(s)->index_scan_counted = FALSE; \
} while (0)
#define pgstat_count_index_scan(s) \
do { \
if ((s)->tabentry != NULL && !(s)->index_scan_counted) { \
if (pgstat_collect_tuplelevel && (s)->tabentry != NULL && \
!(s)->index_scan_counted) { \
((PgStat_TableEntry *)((s)->tabentry))->t_numscans++; \
(s)->index_scan_counted = TRUE; \
} \
} while (0)
#define pgstat_count_index_getnext(s) \
do { \
if ((s)->tabentry != NULL) \
if (pgstat_collect_tuplelevel && (s)->tabentry != NULL) \
((PgStat_TableEntry *)((s)->tabentry))->t_tuples_returned++; \
} while (0)
#define pgstat_count_buffer_read(s,r) \
do { \
if ((s)->tabentry != NULL) \
if (pgstat_collect_blocklevel && (s)->tabentry != NULL) \
((PgStat_TableEntry *)((s)->tabentry))->t_blocks_fetched++; \
else { \
if (!(s)->no_stats) { \
if (pgstat_collect_blocklevel && !(s)->no_stats) { \
pgstat_initstats((s), (r)); \
if ((s)->tabentry != NULL) \
((PgStat_TableEntry *)((s)->tabentry))->t_blocks_fetched++; \
@ -416,10 +426,10 @@ extern void pgstat_initstats(PgStat_Info *stats, Relation rel);
} while (0)
#define pgstat_count_buffer_hit(s,r) \
do { \
if ((s)->tabentry != NULL) \
if (pgstat_collect_blocklevel && (s)->tabentry != NULL) \
((PgStat_TableEntry *)((s)->tabentry))->t_blocks_hit++; \
else { \
if (!(s)->no_stats) { \
if (pgstat_collect_blocklevel && !(s)->no_stats) { \
pgstat_initstats((s), (r)); \
if ((s)->tabentry != NULL) \
((PgStat_TableEntry *)((s)->tabentry))->t_blocks_hit++; \