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| author | Magnus Hagander <magnus@hagander.net> | 2010-01-19 14:11:32 +0000 |
|---|---|---|
| committer | Magnus Hagander <magnus@hagander.net> | 2010-01-19 14:11:32 +0000 |
| commit | 7e40cdc07585d5f93dd1f35ce1d402eba55e425b (patch) | |
| tree | 08fff74f07840a934a001bd12bdba8140663da05 /src/include/pgstat.h | |
| parent | 4f15699d706130540f7cf1ed4f995b61cf50b09c (diff) | |
| download | postgresql-7e40cdc07585d5f93dd1f35ce1d402eba55e425b.tar.gz postgresql-7e40cdc07585d5f93dd1f35ce1d402eba55e425b.zip | |
Add pg_stat_reset_shared('bgwriter') to reset the cluster-wide shared
statistics of the bgwriter.
Greg Smith
Diffstat (limited to 'src/include/pgstat.h')
| -rw-r--r-- | src/include/pgstat.h | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/src/include/pgstat.h b/src/include/pgstat.h index edd544944b6..acadef35a20 100644 --- a/src/include/pgstat.h +++ b/src/include/pgstat.h @@ -5,7 +5,7 @@ * * Copyright (c) 2001-2010, PostgreSQL Global Development Group * - * $PostgreSQL: pgsql/src/include/pgstat.h,v 1.86 2010/01/02 16:58:00 momjian Exp $ + * $PostgreSQL: pgsql/src/include/pgstat.h,v 1.87 2010/01/19 14:11:31 mha Exp $ * ---------- */ #ifndef PGSTAT_H @@ -38,6 +38,7 @@ typedef enum StatMsgType PGSTAT_MTYPE_TABPURGE, PGSTAT_MTYPE_DROPDB, PGSTAT_MTYPE_RESETCOUNTER, + PGSTAT_MTYPE_RESETSHAREDCOUNTER, PGSTAT_MTYPE_AUTOVAC_START, PGSTAT_MTYPE_VACUUM, PGSTAT_MTYPE_ANALYZE, @@ -93,6 +94,12 @@ typedef struct PgStat_TableCounts PgStat_Counter t_blocks_hit; } PgStat_TableCounts; +/* Possible targets for resetting cluster-wide shared values */ +typedef enum PgStat_Shared_Reset_Target +{ + RESET_BGWRITER +} PgStat_Shared_Reset_Target; + /* ------------------------------------------------------------ * Structures kept in backend local memory while accumulating counts @@ -260,6 +267,16 @@ typedef struct PgStat_MsgResetcounter Oid m_databaseid; } PgStat_MsgResetcounter; +/* ---------- + * PgStat_MsgResetsharedcounter Sent by the backend to tell the collector + * to reset a shared counter + * ---------- + */ +typedef struct PgStat_MsgResetsharedcounter +{ + PgStat_MsgHdr m_hdr; + PgStat_Shared_Reset_Target m_resettarget; +} PgStat_MsgResetsharedcounter; /* ---------- * PgStat_MsgAutovacStart Sent by the autovacuum daemon to signal @@ -414,6 +431,7 @@ typedef union PgStat_Msg PgStat_MsgTabpurge msg_tabpurge; PgStat_MsgDropdb msg_dropdb; PgStat_MsgResetcounter msg_resetcounter; + PgStat_MsgResetsharedcounter msg_resetsharedcounter; PgStat_MsgAutovacStart msg_autovacuum; PgStat_MsgVacuum msg_vacuum; PgStat_MsgAnalyze msg_analyze; @@ -635,6 +653,7 @@ extern void pgstat_drop_database(Oid databaseid); extern void pgstat_clear_snapshot(void); extern void pgstat_reset_counters(void); +extern void pgstat_reset_shared_counters(const char *); extern void pgstat_report_autovac(Oid dboid); extern void pgstat_report_vacuum(Oid tableoid, bool shared, bool adopt_counts, |