}
	if *verbose {
		fmt.Printf("running test using %d goroutines\n", *ngo)
	}

	// generate filenames
	filenames := make(chan string, 32)
	go genFilenames(t, filenames)

	// launch test goroutines
	done := make(chan int)
	for i := 0; i < *ngo; i++ {
		go testFiles(t, filenames, done)
	}

	// wait for all test goroutines to complete
	for i := 0; i < *ngo; i++ {
		<-done
	}

// it is inspecting the given environment variables or files.
// Multiple goroutines may call these methods simultaneously.
type Interface interface {
	Getenv(key string)
	Stat(file string)
	Open(file string)
	Chdir(dir string)
}

// logger is the current logger Interface.
// We use an atomic.Value in case test startup
// is racing with goroutines started during init.
// That must not cause a race detector failure,

At least one argument is required to run this tool.

EXAMPLE:
     ./pprofgoparser --time 50m --margin 1m /path/to/*-goroutines-before,debug=2.txt
`

func main() {
	flag.Parse()

	if len(flag.Args()) == 0 {
		log.Fatal(helpUsage)
	}

	var err error

	goroutinesRE = regexp.MustCompile(`^goroutine [0-9]+ \[[^,]+(, ([0-9]+) minutes)?\]:$`)

	if searchText != "" {
		searchRE, err = regexp.Compile(searchText)

	// non-profitable and allows to confirm that spinning does not do harm.
	// To achieve this we create excess of goroutines most of which do local work.
	// These goroutines yield during local work, so that switching from
	// a blocked goroutine to other goroutines is profitable.
	// As a matter of fact, this benchmark still triggers some spinning in the mutex.
	var m Mutex
	var acc0, acc1 uint64

	// This allows Start() to be called multiple times safely.
	startedInformers map[reflect.Type]bool
	// wg tracks how many goroutines were started.
	wg sync.WaitGroup
	// shuttingDown is true when Shutdown has been called. It may still be running
	// because it needs to wait for goroutines.
	shuttingDown bool
}

// WithCustomResyncConfig sets a custom resync period for the specified informer types.

	// This allows Start() to be called multiple times safely.
	startedInformers map[reflect.Type]bool
	// wg tracks how many goroutines were started.
	wg sync.WaitGroup
	// shuttingDown is true when Shutdown has been called. It may still be running
	// because it needs to wait for goroutines.
	shuttingDown bool
}

// WithCustomResyncConfig sets a custom resync period for the specified informer types.

// and then parks the handler goroutine to allow other goroutines to run before giving execution back to JavaScript.
// When no other goroutine is awake any more, beforeIdle resumes the handler goroutine. Now that the same goroutine
// is running as was running when the call came in from JavaScript, execution can be safely passed back to JavaScript.

// Copyright 2009 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 ignore

// Compute Fibonacci numbers with two goroutines
// that pass integers back and forth.  No actual
// concurrency, just threads and synchronization
// and foreign code on multiple pthreads.

package main

import (
	big "."
	"runtime"
)

      panels.timeSeries.base('CPU Usage', queries.cpuUsage, 'CPU usage of each running instance'),
      panels.timeSeries.base('Goroutines', queries.goroutines, 'Goroutine count for each running instance'),
    ]),
  ], panelHeight=10, startY=1)
  + g.util.grid.makeGrid([
    row.new('Push Information')
    + row.withPanels([
      panels.timeSeries.xdsPushes(

	// doing anything.
	//
	// In addition, Shutdown blocks until all goroutines have terminated. For that
	// to happen, the close channel(s) that they were started with must be closed,
	// either before Shutdown gets called or while it is waiting.
	//
	// Shutdown may be called multiple times, even concurrently. All such calls will
	// block until all goroutines have terminated.
	Shutdown()
}