aboutsummaryrefslogtreecommitdiff
path: root/src/backend/utils/activity/pgstat.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/backend/utils/activity/pgstat.c')
-rw-r--r--src/backend/utils/activity/pgstat.c52
1 files changed, 19 insertions, 33 deletions
diff --git a/src/backend/utils/activity/pgstat.c b/src/backend/utils/activity/pgstat.c
index 8b57845e870..6bc91ce0dad 100644
--- a/src/backend/utils/activity/pgstat.c
+++ b/src/backend/utils/activity/pgstat.c
@@ -212,6 +212,11 @@ int pgstat_fetch_consistency = PGSTAT_FETCH_CONSISTENCY_CACHE;
PgStat_LocalState pgStatLocal;
+/*
+ * Track pending reports for fixed-numbered stats, used by
+ * pgstat_report_stat().
+ */
+bool pgstat_report_fixed = false;
/* ----------
* Local data
@@ -370,7 +375,6 @@ static const PgStat_KindInfo pgstat_kind_builtin_infos[PGSTAT_KIND_BUILTIN_SIZE]
.shared_data_off = offsetof(PgStatShared_Backend, stats),
.shared_data_len = sizeof(((PgStatShared_Backend *) 0)->stats),
- .have_static_pending_cb = pgstat_backend_have_pending_cb,
.flush_static_cb = pgstat_backend_flush_cb,
.reset_timestamp_cb = pgstat_backend_reset_timestamp_cb,
},
@@ -437,7 +441,6 @@ static const PgStat_KindInfo pgstat_kind_builtin_infos[PGSTAT_KIND_BUILTIN_SIZE]
.shared_data_len = sizeof(((PgStatShared_IO *) 0)->stats),
.flush_static_cb = pgstat_io_flush_cb,
- .have_static_pending_cb = pgstat_io_have_pending_cb,
.init_shmem_cb = pgstat_io_init_shmem_cb,
.reset_all_cb = pgstat_io_reset_all_cb,
.snapshot_cb = pgstat_io_snapshot_cb,
@@ -455,7 +458,6 @@ static const PgStat_KindInfo pgstat_kind_builtin_infos[PGSTAT_KIND_BUILTIN_SIZE]
.shared_data_len = sizeof(((PgStatShared_SLRU *) 0)->stats),
.flush_static_cb = pgstat_slru_flush_cb,
- .have_static_pending_cb = pgstat_slru_have_pending_cb,
.init_shmem_cb = pgstat_slru_init_shmem_cb,
.reset_all_cb = pgstat_slru_reset_all_cb,
.snapshot_cb = pgstat_slru_snapshot_cb,
@@ -474,7 +476,6 @@ static const PgStat_KindInfo pgstat_kind_builtin_infos[PGSTAT_KIND_BUILTIN_SIZE]
.init_backend_cb = pgstat_wal_init_backend_cb,
.flush_static_cb = pgstat_wal_flush_cb,
- .have_static_pending_cb = pgstat_wal_have_pending_cb,
.init_shmem_cb = pgstat_wal_init_shmem_cb,
.reset_all_cb = pgstat_wal_reset_all_cb,
.snapshot_cb = pgstat_wal_snapshot_cb,
@@ -708,29 +709,10 @@ pgstat_report_stat(bool force)
}
/* Don't expend a clock check if nothing to do */
- if (dlist_is_empty(&pgStatPending))
+ if (dlist_is_empty(&pgStatPending) &&
+ !pgstat_report_fixed)
{
- bool do_flush = false;
-
- /* Check for pending stats */
- for (PgStat_Kind kind = PGSTAT_KIND_MIN; kind <= PGSTAT_KIND_MAX; kind++)
- {
- const PgStat_KindInfo *kind_info = pgstat_get_kind_info(kind);
-
- if (!kind_info)
- continue;
- if (!kind_info->have_static_pending_cb)
- continue;
-
- if (kind_info->have_static_pending_cb())
- {
- do_flush = true;
- break;
- }
- }
-
- if (!do_flush)
- return 0;
+ return 0;
}
/*
@@ -784,16 +766,19 @@ pgstat_report_stat(bool force)
partial_flush |= pgstat_flush_pending_entries(nowait);
/* flush of other stats kinds */
- for (PgStat_Kind kind = PGSTAT_KIND_MIN; kind <= PGSTAT_KIND_MAX; kind++)
+ if (pgstat_report_fixed)
{
- const PgStat_KindInfo *kind_info = pgstat_get_kind_info(kind);
+ for (PgStat_Kind kind = PGSTAT_KIND_MIN; kind <= PGSTAT_KIND_MAX; kind++)
+ {
+ const PgStat_KindInfo *kind_info = pgstat_get_kind_info(kind);
- if (!kind_info)
- continue;
- if (!kind_info->flush_static_cb)
- continue;
+ if (!kind_info)
+ continue;
+ if (!kind_info->flush_static_cb)
+ continue;
- partial_flush |= kind_info->flush_static_cb(nowait);
+ partial_flush |= kind_info->flush_static_cb(nowait);
+ }
}
last_flush = now;
@@ -815,6 +800,7 @@ pgstat_report_stat(bool force)
}
pending_since = 0;
+ pgstat_report_fixed = false;
return 0;
}