diff options
Diffstat (limited to 'src/include/pgstat.h')
| -rw-r--r-- | src/include/pgstat.h | 41 |
1 files changed, 39 insertions, 2 deletions
diff --git a/src/include/pgstat.h b/src/include/pgstat.h index 8e08db4c172..3cfcea7e4b9 100644 --- a/src/include/pgstat.h +++ b/src/include/pgstat.h @@ -5,7 +5,7 @@ * * Copyright (c) 2001-2007, PostgreSQL Global Development Group * - * $PostgreSQL: pgsql/src/include/pgstat.h,v 1.56 2007/03/22 19:53:31 momjian Exp $ + * $PostgreSQL: pgsql/src/include/pgstat.h,v 1.57 2007/03/30 18:34:55 mha Exp $ * ---------- */ #ifndef PGSTAT_H @@ -30,7 +30,8 @@ typedef enum StatMsgType PGSTAT_MTYPE_RESETCOUNTER, PGSTAT_MTYPE_AUTOVAC_START, PGSTAT_MTYPE_VACUUM, - PGSTAT_MTYPE_ANALYZE + PGSTAT_MTYPE_ANALYZE, + PGSTAT_MTYPE_BGWRITER } StatMsgType; /* ---------- @@ -213,6 +214,24 @@ typedef struct PgStat_MsgAnalyze /* ---------- + * PgStat_MsgBgWriter Sent by the bgwriter to update statistics. + * ---------- + */ +typedef struct PgStat_MsgBgWriter +{ + PgStat_MsgHdr m_hdr; + + PgStat_Counter m_timed_checkpoints; + PgStat_Counter m_requested_checkpoints; + PgStat_Counter m_buf_written_checkpoints; + PgStat_Counter m_buf_written_lru; + PgStat_Counter m_buf_written_all; + PgStat_Counter m_maxwritten_lru; + PgStat_Counter m_maxwritten_all; +} PgStat_MsgBgWriter; + + +/* ---------- * PgStat_Msg Union over all possible messages. * ---------- */ @@ -227,6 +246,7 @@ typedef union PgStat_Msg PgStat_MsgAutovacStart msg_autovacuum; PgStat_MsgVacuum msg_vacuum; PgStat_MsgAnalyze msg_analyze; + PgStat_MsgBgWriter msg_bgwriter; } PgStat_Msg; @@ -297,6 +317,21 @@ typedef struct PgStat_StatTabEntry } PgStat_StatTabEntry; +/* + * Global statistics kept in the stats collector + */ +typedef struct PgStat_GlobalStats +{ + PgStat_Counter timed_checkpoints; + PgStat_Counter requested_checkpoints; + PgStat_Counter buf_written_checkpoints; + PgStat_Counter buf_written_lru; + PgStat_Counter buf_written_all; + PgStat_Counter maxwritten_lru; + PgStat_Counter maxwritten_all; +} PgStat_GlobalStats; + + /* ---------- * Shared-memory data structures * ---------- @@ -478,6 +513,7 @@ extern void pgstat_initstats(PgStat_Info *stats, Relation rel); extern void pgstat_count_xact_commit(void); extern void pgstat_count_xact_rollback(void); +extern void pgstat_send_bgwriter(void); /* ---------- * Support functions for the SQL-callable functions to @@ -488,5 +524,6 @@ extern PgStat_StatDBEntry *pgstat_fetch_stat_dbentry(Oid dbid); extern PgStat_StatTabEntry *pgstat_fetch_stat_tabentry(Oid relid); extern PgBackendStatus *pgstat_fetch_stat_beentry(int beid); extern int pgstat_fetch_stat_numbackends(void); +extern PgStat_GlobalStats *pgstat_fetch_global(void); #endif /* PGSTAT_H */ |