diff options
Diffstat (limited to 'src/backend/utils/activity/pgstat_relation.c')
| -rw-r--r-- | src/backend/utils/activity/pgstat_relation.c | 77 |
1 files changed, 30 insertions, 47 deletions
diff --git a/src/backend/utils/activity/pgstat_relation.c b/src/backend/utils/activity/pgstat_relation.c index f5c03b54b48..74b62c39c0d 100644 --- a/src/backend/utils/activity/pgstat_relation.c +++ b/src/backend/utils/activity/pgstat_relation.c @@ -95,17 +95,14 @@ bool have_relation_stats; static HTAB *pgStatTabHash = NULL; -/* ---------- - * pgstat_relation_init() - - * - * Initialize a relcache entry to count access statistics. - * Called whenever a relation is opened. +/* + * Initialize a relcache entry to count access statistics. + * Called whenever a relation is opened. * - * We assume that a relcache entry's pgstat_info field is zeroed by - * relcache.c when the relcache entry is made; thereafter it is long-lived - * data. We can avoid repeated searches of the TabStatus arrays when the - * same relation is touched repeatedly within a transaction. - * ---------- + * We assume that a relcache entry's pgstat_info field is zeroed by + * relcache.c when the relcache entry is made; thereafter it is long-lived + * data. We can avoid repeated searches of the TabStatus arrays when the + * same relation is touched repeatedly within a transaction. */ void pgstat_relation_init(Relation rel) @@ -141,16 +138,13 @@ pgstat_relation_init(Relation rel) rel->pgstat_info = get_tabstat_entry(rel_id, rel->rd_rel->relisshared); } -/* ---------- - * pgstat_drop_relation() - - * - * Tell the collector that we just dropped a relation. - * (If the message gets lost, we will still clean the dead entry eventually - * via future invocations of pgstat_vacuum_stat().) +/* + * Tell the collector that we just dropped a relation. + * (If the message gets lost, we will still clean the dead entry eventually + * via future invocations of pgstat_vacuum_stat().) * - * Currently not used for lack of any good place to call it; we rely - * entirely on pgstat_vacuum_stat() to clean out stats for dead rels. - * ---------- + * Currently not used for lack of any good place to call it; we rely + * entirely on pgstat_vacuum_stat() to clean out stats for dead rels. */ #ifdef NOT_USED void @@ -173,13 +167,10 @@ pgstat_drop_relation(Oid relid) } #endif /* NOT_USED */ -/* ---------- - * pgstat_report_autovac() - - * - * Called from autovacuum.c to report startup of an autovacuum process. - * We are called before InitPostgres is done, so can't rely on MyDatabaseId; - * the db OID must be passed in, instead. - * ---------- +/* + * Called from autovacuum.c to report startup of an autovacuum process. + * We are called before InitPostgres is done, so can't rely on MyDatabaseId; + * the db OID must be passed in, instead. */ void pgstat_report_autovac(Oid dboid) @@ -196,11 +187,8 @@ pgstat_report_autovac(Oid dboid) pgstat_send(&msg, sizeof(msg)); } -/* --------- - * pgstat_report_vacuum() - - * - * Tell the collector about the table we just vacuumed. - * --------- +/* + * Tell the collector about the table we just vacuumed. */ void pgstat_report_vacuum(Oid tableoid, bool shared, @@ -221,14 +209,11 @@ pgstat_report_vacuum(Oid tableoid, bool shared, pgstat_send(&msg, sizeof(msg)); } -/* -------- - * pgstat_report_analyze() - - * - * Tell the collector about the table we just analyzed. +/* + * Tell the collector about the table we just analyzed. * * Caller must provide new live- and dead-tuples estimates, as well as a * flag indicating whether to reset the changes_since_analyze counter. - * -------- */ void pgstat_report_analyze(Relation rel, @@ -281,7 +266,7 @@ pgstat_report_analyze(Relation rel, } /* - * pgstat_count_heap_insert - count a tuple insertion of n tuples + * count a tuple insertion of n tuples */ void pgstat_count_heap_insert(Relation rel, PgStat_Counter n) @@ -296,7 +281,7 @@ pgstat_count_heap_insert(Relation rel, PgStat_Counter n) } /* - * pgstat_count_heap_update - count a tuple update + * count a tuple update */ void pgstat_count_heap_update(Relation rel, bool hot) @@ -315,7 +300,7 @@ pgstat_count_heap_update(Relation rel, bool hot) } /* - * pgstat_count_heap_delete - count a tuple deletion + * count a tuple deletion */ void pgstat_count_heap_delete(Relation rel) @@ -330,7 +315,7 @@ pgstat_count_heap_delete(Relation rel) } /* - * pgstat_count_truncate - update tuple counters due to truncate + * update tuple counters due to truncate */ void pgstat_count_truncate(Relation rel) @@ -348,7 +333,7 @@ pgstat_count_truncate(Relation rel) } /* - * pgstat_update_heap_dead_tuples - update dead-tuples count + * update dead-tuples count * * The semantics of this are that we are reporting the nontransactional * recovery of "delta" dead tuples; so t_delta_dead_tuples decreases @@ -367,7 +352,7 @@ pgstat_update_heap_dead_tuples(Relation rel, int delta) } /* - * find_tabstat_entry - find any existing PgStat_TableStatus entry for rel + * find any existing PgStat_TableStatus entry for rel * * If no entry, return NULL, don't create a new one * @@ -772,7 +757,7 @@ pgstat_send_tabstat(PgStat_MsgTabstat *tsmsg, TimestampTz now) } /* - * get_tabstat_entry - find or create a PgStat_TableStatus entry for rel + * find or create a PgStat_TableStatus entry for rel */ static PgStat_TableStatus * get_tabstat_entry(Oid rel_id, bool isshared) @@ -858,7 +843,7 @@ get_tabstat_entry(Oid rel_id, bool isshared) } /* - * add_tabstat_xact_level - add a new (sub)transaction state record + * add a new (sub)transaction state record */ static void add_tabstat_xact_level(PgStat_TableStatus *pgstat_info, int nest_level) @@ -898,8 +883,6 @@ ensure_tabstat_xact_level(PgStat_TableStatus *pgstat_info) } /* - * pgstat_truncdrop_save_counters - * * Whenever a table is truncated/dropped, we save its i/u/d counters so that * they can be cleared, and if the (sub)xact that executed the truncate/drop * later aborts, the counters can be restored to the saved (pre-truncate/drop) @@ -921,7 +904,7 @@ pgstat_truncdrop_save_counters(PgStat_TableXactStatus *trans, bool is_drop) } /* - * pgstat_truncdrop_restore_counters - restore counters when a truncate aborts + * restore counters when a truncate aborts */ static void pgstat_truncdrop_restore_counters(PgStat_TableXactStatus *trans) |