diff options
Diffstat (limited to 'src/backend/utils')
| -rw-r--r-- | src/backend/utils/adt/pgstatfuncs.c | 21 | ||||
| -rw-r--r-- | src/backend/utils/misc/guc.c | 9 | ||||
| -rw-r--r-- | src/backend/utils/misc/postgresql.conf.sample | 1 |
3 files changed, 28 insertions, 3 deletions
diff --git a/src/backend/utils/adt/pgstatfuncs.c b/src/backend/utils/adt/pgstatfuncs.c index 318ce154fd..5102227a60 100644 --- a/src/backend/utils/adt/pgstatfuncs.c +++ b/src/backend/utils/adt/pgstatfuncs.c @@ -1797,7 +1797,7 @@ pg_stat_get_buf_alloc(PG_FUNCTION_ARGS) Datum pg_stat_get_wal(PG_FUNCTION_ARGS) { -#define PG_STAT_GET_WAL_COLS 5 +#define PG_STAT_GET_WAL_COLS 9 TupleDesc tupdesc; Datum values[PG_STAT_GET_WAL_COLS]; bool nulls[PG_STAT_GET_WAL_COLS]; @@ -1818,7 +1818,15 @@ pg_stat_get_wal(PG_FUNCTION_ARGS) NUMERICOID, -1, 0); TupleDescInitEntry(tupdesc, (AttrNumber) 4, "wal_buffers_full", INT8OID, -1, 0); - TupleDescInitEntry(tupdesc, (AttrNumber) 5, "stats_reset", + TupleDescInitEntry(tupdesc, (AttrNumber) 5, "wal_write", + INT8OID, -1, 0); + TupleDescInitEntry(tupdesc, (AttrNumber) 6, "wal_sync", + INT8OID, -1, 0); + TupleDescInitEntry(tupdesc, (AttrNumber) 7, "wal_write_time", + FLOAT8OID, -1, 0); + TupleDescInitEntry(tupdesc, (AttrNumber) 8, "wal_sync_time", + FLOAT8OID, -1, 0); + TupleDescInitEntry(tupdesc, (AttrNumber) 9, "stats_reset", TIMESTAMPTZOID, -1, 0); BlessTupleDesc(tupdesc); @@ -1838,7 +1846,14 @@ pg_stat_get_wal(PG_FUNCTION_ARGS) Int32GetDatum(-1)); values[3] = Int64GetDatum(wal_stats->wal_buffers_full); - values[4] = TimestampTzGetDatum(wal_stats->stat_reset_timestamp); + values[4] = Int64GetDatum(wal_stats->wal_write); + values[5] = Int64GetDatum(wal_stats->wal_sync); + + /* Convert counters from microsec to millisec for display */ + values[6] = Float8GetDatum(((double) wal_stats->wal_write_time) / 1000.0); + values[7] = Float8GetDatum(((double) wal_stats->wal_sync_time) / 1000.0); + + values[8] = TimestampTzGetDatum(wal_stats->stat_reset_timestamp); /* Returns the record as Datum */ PG_RETURN_DATUM(HeapTupleGetDatum(heap_form_tuple(tupdesc, values, nulls))); diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c index 3fd1a5fbe2..e337df42cb 100644 --- a/src/backend/utils/misc/guc.c +++ b/src/backend/utils/misc/guc.c @@ -1485,6 +1485,15 @@ static struct config_bool ConfigureNamesBool[] = false, NULL, NULL, NULL }, + { + {"track_wal_io_timing", PGC_SUSET, STATS_COLLECTOR, + gettext_noop("Collects timing statistics for WAL I/O activity."), + NULL + }, + &track_wal_io_timing, + false, + NULL, NULL, NULL + }, { {"update_process_title", PGC_SUSET, PROCESS_TITLE, diff --git a/src/backend/utils/misc/postgresql.conf.sample b/src/backend/utils/misc/postgresql.conf.sample index ee06528bb0..c6483fa1ff 100644 --- a/src/backend/utils/misc/postgresql.conf.sample +++ b/src/backend/utils/misc/postgresql.conf.sample @@ -586,6 +586,7 @@ #track_activities = on #track_counts = on #track_io_timing = off +#track_wal_io_timing = off #track_functions = none # none, pl, all #track_activity_query_size = 1024 # (change requires restart) #stats_temp_directory = 'pg_stat_tmp' |