1 // Copyright 2016 The Go Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style
3 // license that can be found in the LICENSE file.
15 var traceProfile = flag.String("trace", "", "trace profile output")
17 func doTrace() func() {
18 if *traceProfile != "" {
19 bw, flush := bufferedFileWriter(*traceProfile)