src

Go monorepo.
git clone git://code.dwrz.net/src
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goimports_gc.go (484B)


      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.
      4 
      5 //go:build gc
      6 
      7 package main
      8 
      9 import (
     10 	"flag"
     11 	"runtime/trace"
     12 )
     13 
     14 var traceProfile = flag.String("trace", "", "trace profile output")
     15 
     16 func doTrace() func() {
     17 	if *traceProfile != "" {
     18 		bw, flush := bufferedFileWriter(*traceProfile)
     19 		trace.Start(bw)
     20 		return func() {
     21 			trace.Stop()
     22 			flush()
     23 		}
     24 	}
     25 	return func() {}
     26 }