go trace 源码
golang trace 代码
文件路径：/src/cmd/compile/internal/gc/trace.go
// Copyright 2016 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.
//go:build go1.7
// +build go1.7
package gc
import (
"os"
tracepkg "runtime/trace"
"cmd/compile/internal/base"
)
func init() {
traceHandler = traceHandlerGo17
}
func traceHandlerGo17(traceprofile string) {
f, err := os.Create(traceprofile)
if err != nil {
base.Fatalf("%v", err)
}
if err := tracepkg.Start(f); err != nil {
base.Fatalf("%v", err)
}
base.AtExit(tracepkg.Stop)
}
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