go issue9321 源码
golang issue9321 代码
文件路径：/test/fixedbugs/issue9321.go
// run
// Copyright 2014 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.
package main
import (
"bytes"
"runtime"
"runtime/pprof"
"sync"
)
func test() {
var wg sync.WaitGroup
wg.Add(2)
test := func() {
for i := 0; i < 10; i++ {
buf := &bytes.Buffer{}
pprof.Lookup("goroutine").WriteTo(buf, 2)
}
wg.Done()
}
go test()
go test()
wg.Wait()
}
func main() {
runtime.GOMAXPROCS(4)
for i := 0; i < 10; i++ {
test()
}
}
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