aboutsummaryrefslogtreecommitdiff
path: root/src/include/pgstat.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/include/pgstat.h')
-rw-r--r--src/include/pgstat.h36
1 files changed, 29 insertions, 7 deletions
diff --git a/src/include/pgstat.h b/src/include/pgstat.h
index ebfeef2f460..75a41e8ff32 100644
--- a/src/include/pgstat.h
+++ b/src/include/pgstat.h
@@ -49,14 +49,15 @@
#define PGSTAT_KIND_FUNCTION 3 /* per-function statistics */
#define PGSTAT_KIND_REPLSLOT 4 /* per-slot statistics */
#define PGSTAT_KIND_SUBSCRIPTION 5 /* per-subscription statistics */
+#define PGSTAT_KIND_BACKEND 6 /* per-backend statistics */
/* stats for fixed-numbered objects */
-#define PGSTAT_KIND_ARCHIVER 6
-#define PGSTAT_KIND_BGWRITER 7
-#define PGSTAT_KIND_CHECKPOINTER 8
-#define PGSTAT_KIND_IO 9
-#define PGSTAT_KIND_SLRU 10
-#define PGSTAT_KIND_WAL 11
+#define PGSTAT_KIND_ARCHIVER 7
+#define PGSTAT_KIND_BGWRITER 8
+#define PGSTAT_KIND_CHECKPOINTER 9
+#define PGSTAT_KIND_IO 10
+#define PGSTAT_KIND_SLRU 11
+#define PGSTAT_KIND_WAL 12
#define PGSTAT_KIND_BUILTIN_MIN PGSTAT_KIND_DATABASE
#define PGSTAT_KIND_BUILTIN_MAX PGSTAT_KIND_WAL
@@ -266,7 +267,7 @@ typedef struct PgStat_TableXactStatus
* ------------------------------------------------------------
*/
-#define PGSTAT_FILE_FORMAT_ID 0x01A5BCAF
+#define PGSTAT_FILE_FORMAT_ID 0x01A5BCB0
typedef struct PgStat_ArchiverStats
{
@@ -362,12 +363,26 @@ typedef struct PgStat_BktypeIO
PgStat_Counter times[IOOBJECT_NUM_TYPES][IOCONTEXT_NUM_TYPES][IOOP_NUM_TYPES];
} PgStat_BktypeIO;
+typedef struct PgStat_PendingIO
+{
+ PgStat_Counter counts[IOOBJECT_NUM_TYPES][IOCONTEXT_NUM_TYPES][IOOP_NUM_TYPES];
+ instr_time pending_times[IOOBJECT_NUM_TYPES][IOCONTEXT_NUM_TYPES][IOOP_NUM_TYPES];
+} PgStat_PendingIO;
+
typedef struct PgStat_IO
{
TimestampTz stat_reset_timestamp;
PgStat_BktypeIO stats[BACKEND_NUM_TYPES];
} PgStat_IO;
+/* Backend statistics store the same amount of IO data as PGSTAT_KIND_IO */
+typedef PgStat_PendingIO PgStat_BackendPendingIO;
+
+typedef struct PgStat_Backend
+{
+ TimestampTz stat_reset_timestamp;
+ PgStat_BktypeIO stats;
+} PgStat_Backend;
typedef struct PgStat_StatDBEntry
{
@@ -549,6 +564,13 @@ extern bool pgstat_have_entry(PgStat_Kind kind, Oid dboid, uint64 objid);
extern void pgstat_report_archiver(const char *xlog, bool failed);
extern PgStat_ArchiverStats *pgstat_fetch_stat_archiver(void);
+/*
+ * Functions in pgstat_backend.c
+ */
+
+extern PgStat_Backend *pgstat_fetch_stat_backend(ProcNumber procNumber);
+extern bool pgstat_tracks_backend_bktype(BackendType bktype);
+extern void pgstat_create_backend(ProcNumber procnum);
/*
* Functions in pgstat_bgwriter.c