From 2a1d560036b777c7823805052c094704f51b4324 Mon Sep 17 00:00:00 2001 From: Euler Taveira Date: Sun, 31 Jan 2021 20:48:43 -0300 Subject: [PATCH v12 5/5] Measure row filter overhead --- src/backend/replication/pgoutput/pgoutput.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/src/backend/replication/pgoutput/pgoutput.c b/src/backend/replication/pgoutput/pgoutput.c index ce6da8de19..e603a15ffd 100644 --- a/src/backend/replication/pgoutput/pgoutput.c +++ b/src/backend/replication/pgoutput/pgoutput.c @@ -570,6 +570,8 @@ pgoutput_row_filter(Relation relation, HeapTuple oldtuple, HeapTuple newtuple, L MemoryContext oldcxt; ListCell *lc; bool result = true; + instr_time start_time; + instr_time end_time; /* Bail out if there is no row filter */ if (list_length(rowfilter) == 0) @@ -579,6 +581,8 @@ pgoutput_row_filter(Relation relation, HeapTuple oldtuple, HeapTuple newtuple, L get_namespace_name(get_rel_namespace(RelationGetRelid(relation))), get_rel_name(relation->rd_id)); + INSTR_TIME_SET_CURRENT(start_time); + tupdesc = RelationGetDescr(relation); estate = create_estate_for_relation(relation); @@ -627,6 +631,11 @@ pgoutput_row_filter(Relation relation, HeapTuple oldtuple, HeapTuple newtuple, L ResetExprContext(ecxt); FreeExecutorState(estate); + INSTR_TIME_SET_CURRENT(end_time); + INSTR_TIME_SUBTRACT(end_time, start_time); + + elog(DEBUG2, "row filter time: %0.3f us", INSTR_TIME_GET_DOUBLE(end_time) * 1e6); + return result; } -- 2.20.1