зеркало из https://github.com/CryptoPro/go.git
57 строки
1.0 KiB
Go
57 строки
1.0 KiB
Go
// $G $D/$F.go && $L $F.$A && ./$A.out
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// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Repeated malloc test.
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package main
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import (
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"flag";
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"malloc"
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)
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var chatty bool;
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var chatty_flag = flag.Bool("v", false, &chatty, "chatty");
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var oldsys uint64;
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func bigger() {
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if st := malloc.GetStats(); oldsys < st.sys {
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oldsys = st.sys;
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if chatty {
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println(st.sys, " system bytes for ", st.alloc, " Go bytes");
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}
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if st.sys > 1e9 {
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panicln("too big");
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}
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}
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}
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func main() {
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flag.Parse();
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for i := 0; i < 1<<8; i++ {
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for j := 1; j <= 1<<22; j<<=1 {
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if i == 0 && chatty {
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println("First alloc:", j);
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}
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b := malloc.Alloc(uint64(j));
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malloc.Free(b);
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if a := malloc.GetStats().alloc; a != 0 {
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panicln("malloc wrong count", a);
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}
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bigger();
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}
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if i%(1<<10) == 0 && chatty {
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println(i);
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}
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if i == 0 {
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if chatty {
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println("Primed", i);
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}
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// malloc.frozen = true;
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}
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}
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}
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