From: Rob Pike <r@golang.org>
Date: Thu, 4 Aug 2011 06:32:14 +0000 (+1000)
Subject: fmt: call UpdateMemStats in malloc counter
X-Git-Tag: weekly.2011-08-10~34
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=583f72434f5930bc40177bc9e3bca1a4ee027501;p=gostls13.git

fmt: call UpdateMemStats in malloc counter

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/4830059
---

diff --git a/src/pkg/fmt/fmt_test.go b/src/pkg/fmt/fmt_test.go
index d13d09c1b6..1142c9f8ad 100644
--- a/src/pkg/fmt/fmt_test.go
+++ b/src/pkg/fmt/fmt_test.go
@@ -477,28 +477,36 @@ func TestCountMallocs(t *testing.T) {
 	if testing.Short() {
 		return
 	}
+	runtime.UpdateMemStats()
 	mallocs := 0 - runtime.MemStats.Mallocs
 	for i := 0; i < 100; i++ {
 		Sprintf("")
 	}
+	runtime.UpdateMemStats()
 	mallocs += runtime.MemStats.Mallocs
 	Printf("mallocs per Sprintf(\"\"): %d\n", mallocs/100)
+	runtime.UpdateMemStats()
 	mallocs = 0 - runtime.MemStats.Mallocs
 	for i := 0; i < 100; i++ {
 		Sprintf("xxx")
 	}
+	runtime.UpdateMemStats()
 	mallocs += runtime.MemStats.Mallocs
 	Printf("mallocs per Sprintf(\"xxx\"): %d\n", mallocs/100)
+	runtime.UpdateMemStats()
 	mallocs = 0 - runtime.MemStats.Mallocs
 	for i := 0; i < 100; i++ {
 		Sprintf("%x", i)
 	}
+	runtime.UpdateMemStats()
 	mallocs += runtime.MemStats.Mallocs
 	Printf("mallocs per Sprintf(\"%%x\"): %d\n", mallocs/100)
+	runtime.UpdateMemStats()
 	mallocs = 0 - runtime.MemStats.Mallocs
 	for i := 0; i < 100; i++ {
 		Sprintf("%x %x", i, i)
 	}
+	runtime.UpdateMemStats()
 	mallocs += runtime.MemStats.Mallocs
 	Printf("mallocs per Sprintf(\"%%x %%x\"): %d\n", mallocs/100)
 }