diff options
Diffstat (limited to 'src/include/utils/pgstat_internal.h')
| -rw-r--r-- | src/include/utils/pgstat_internal.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/include/utils/pgstat_internal.h b/src/include/utils/pgstat_internal.h index 12fd51f1ae3..6badb2fde4b 100644 --- a/src/include/utils/pgstat_internal.h +++ b/src/include/utils/pgstat_internal.h @@ -329,6 +329,17 @@ typedef struct PgStatShared_Checkpointer PgStat_CheckpointerStats reset_offset; } PgStatShared_Checkpointer; +/* Shared-memory ready PgStat_IO */ +typedef struct PgStatShared_IO +{ + /* + * locks[i] protects stats.stats[i]. locks[0] also protects + * stats.stat_reset_timestamp. + */ + LWLock locks[BACKEND_NUM_TYPES]; + PgStat_IO stats; +} PgStatShared_IO; + typedef struct PgStatShared_SLRU { /* lock protects ->stats */ @@ -419,6 +430,7 @@ typedef struct PgStat_ShmemControl PgStatShared_Archiver archiver; PgStatShared_BgWriter bgwriter; PgStatShared_Checkpointer checkpointer; + PgStatShared_IO io; PgStatShared_SLRU slru; PgStatShared_Wal wal; } PgStat_ShmemControl; @@ -442,6 +454,8 @@ typedef struct PgStat_Snapshot PgStat_CheckpointerStats checkpointer; + PgStat_IO io; + PgStat_SLRUStats slru[SLRU_NUM_ELEMENTS]; PgStat_WalStats wal; @@ -550,6 +564,15 @@ extern bool pgstat_function_flush_cb(PgStat_EntryRef *entry_ref, bool nowait); /* + * Functions in pgstat_io.c + */ + +extern bool pgstat_flush_io(bool nowait); +extern void pgstat_io_reset_all_cb(TimestampTz ts); +extern void pgstat_io_snapshot_cb(void); + + +/* * Functions in pgstat_relation.c */ @@ -644,6 +667,13 @@ extern PGDLLIMPORT PgStat_LocalState pgStatLocal; /* + * Variables in pgstat_io.c + */ + +extern PGDLLIMPORT bool have_iostats; + + +/* * Variables in pgstat_slru.c */ |