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Diffstat (limited to 'src/pkg/runtime/mallocrep.go')
-rw-r--r--src/pkg/runtime/mallocrep.go72
1 files changed, 0 insertions, 72 deletions
diff --git a/src/pkg/runtime/mallocrep.go b/src/pkg/runtime/mallocrep.go
deleted file mode 100644
index 03ee71edb..000000000
--- a/src/pkg/runtime/mallocrep.go
+++ /dev/null
@@ -1,72 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Repeated malloc test.
-
-// +build ignore
-
-package main
-
-import (
- "flag"
- "runtime"
-)
-
-var chatty = flag.Bool("v", false, "chatty")
-
-var oldsys uint64
-var memstats runtime.MemStats
-
-func bigger() {
- st := &memstats
- runtime.ReadMemStats(st)
- if oldsys < st.Sys {
- oldsys = st.Sys
- if *chatty {
- println(st.Sys, " system bytes for ", st.Alloc, " Go bytes")
- }
- if st.Sys > 1e9 {
- println("too big")
- panic("fail")
- }
- }
-}
-
-func main() {
- runtime.GC() // clean up garbage from init
- runtime.ReadMemStats(&memstats) // first call can do some allocations
- runtime.MemProfileRate = 0 // disable profiler
- stacks := memstats.Alloc // ignore stacks
- flag.Parse()
- for i := 0; i < 1<<7; i++ {
- for j := 1; j <= 1<<22; j <<= 1 {
- if i == 0 && *chatty {
- println("First alloc:", j)
- }
- if a := memstats.Alloc - stacks; a != 0 {
- println("no allocations but stats report", a, "bytes allocated")
- panic("fail")
- }
- b := runtime.Alloc(uintptr(j))
- runtime.ReadMemStats(&memstats)
- during := memstats.Alloc - stacks
- runtime.Free(b)
- runtime.ReadMemStats(&memstats)
- if a := memstats.Alloc - stacks; a != 0 {
- println("allocated ", j, ": wrong stats: during=", during, " after=", a, " (want 0)")
- panic("fail")
- }
- bigger()
- }
- if i%(1<<10) == 0 && *chatty {
- println(i)
- }
- if i == 0 {
- if *chatty {
- println("Primed", i)
- }
- // runtime.frozen = true
- }
- }
-}