// 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.

// pprof is a tool for visualization of profile.data. It is based on
// the upstream version at github.com/google/pprof, with minor
// modifications specific to the Go distribution. Please consider
// upstreaming any modifications to these packages.

package main

import (
	"crypto/tls"

	}

	g, err := dag.Parse(ranks)
	if err != nil {
		log.Fatal(err)
	}

	var out []byte
	if *flagDot {
		var b bytes.Buffer
		g.TransitiveReduction()
		// Add cyclic edges for visualization.
		for k := range cyclicRanks {
			g.AddEdge(k, k)
		}
		// Reverse the graph. It's much easier to read this as
		// a "<" partial order than a ">" partial order. This