From: Robert Haas <rhaas@postgresql.org>
Date: Wed, 25 Jul 2012 16:24:24 +0000 (-0400)
Subject: Time inserts, searches.
X-Git-Url: http://git.postgresql.org/gitweb/static/maillist.html?a=commitdiff_plain;h=f310b48e12c10922af6e1ee124e4918129785679;p=users%2Frhaas%2Fpostgres.git

Time inserts, searches.
---

diff --git a/contrib/hashtest/hashtest.c b/contrib/hashtest/hashtest.c
index 94120216a7..90cc2f1681 100644
--- a/contrib/hashtest/hashtest.c
+++ b/contrib/hashtest/hashtest.c
@@ -7,6 +7,7 @@
 
 #include "funcapi.h"
 #include "miscadmin.h"
+#include "portability/instr_time.h"
 #include "storage/ipc.h"
 #include "utils/chash.h"
 
@@ -96,6 +97,11 @@ test_chash(PG_FUNCTION_ARGS)
 {
 	uint32	i;
 	hentry	e;
+	instr_time t0,
+			   t1,
+			   t2;
+
+	INSTR_TIME_SET_CURRENT(t0);
 
 	for (i = 0; i < 1000000; ++i)
 	{
@@ -111,6 +117,8 @@ test_chash(PG_FUNCTION_ARGS)
 			elog(LOG, "insert %u: worked twice", i);
 	}
 
+	INSTR_TIME_SET_CURRENT(t1);
+
 	for (i = 0; i < 1000000; ++i)
 	{
 		bool ok;
@@ -123,6 +131,14 @@ test_chash(PG_FUNCTION_ARGS)
 			elog(LOG, "search %u: found %u", i, e.val);
 	}
 
+	INSTR_TIME_SET_CURRENT(t2);
+	INSTR_TIME_SUBTRACT(t2, t1);
+	INSTR_TIME_SUBTRACT(t1, t0);
+
+	elog(LOG, "inserts: %lu us; searches: %lu us",
+		(unsigned long) INSTR_TIME_GET_MICROSEC(t2),
+		(unsigned long) INSTR_TIME_GET_MICROSEC(t1));
+
 	PG_RETURN_VOID();
 }
 
@@ -169,6 +185,11 @@ Datum
 test_dynahash(PG_FUNCTION_ARGS)
 {
 	uint32	i;
+	instr_time t0,
+			   t1,
+			   t2;
+
+	INSTR_TIME_SET_CURRENT(t0);
 
 	for (i = 0; i < 1000000; ++i)
 	{
@@ -182,6 +203,8 @@ test_dynahash(PG_FUNCTION_ARGS)
 			elog(LOG, "insert %u: worked twice", i);
 	}
 
+	INSTR_TIME_SET_CURRENT(t1);
+
 	for (i = 0; i < 1000000; ++i)
 	{
 		bool	ok;
@@ -194,5 +217,13 @@ test_dynahash(PG_FUNCTION_ARGS)
 			elog(LOG, "search %u: found %u", i, val);
 	}
 
+	INSTR_TIME_SET_CURRENT(t2);
+	INSTR_TIME_SUBTRACT(t2, t1);
+	INSTR_TIME_SUBTRACT(t1, t0);
+
+	elog(LOG, "inserts: %lu us; searches: %lu us",
+		(unsigned long) INSTR_TIME_GET_MICROSEC(t2),
+		(unsigned long) INSTR_TIME_GET_MICROSEC(t1));
+
 	PG_RETURN_VOID();
 }