}()
	}
	// Increase the chance that we end up starting and stopping
	// mid-GC by only starting to trace after a few milliseconds.
	time.Sleep(5 * time.Millisecond)

	// Start tracing.
	if err := trace.Start(os.Stdout); err != nil {
		log.Fatalf("failed to start tracing: %v", err)
	}
	defer trace.Stop()

	// Let the tracing happen for a bit.
	time.Sleep(400 * time.Millisecond)

                        SerializedOperationStart start = pending.start;

                        Map<String, ?> detailsMap = uncheckedCast(start.details);
                        Map<String, ?> resultMap = uncheckedCast(finish.result);

                        BuildOperationRecord record = new BuildOperationRecord(
                            start.id,
                            start.parentId,
                            start.displayName,

		TraceType: t.TraceType,
		FuncName:  prefix + "." + h.String(),
		NodeName:  remote,
		Time:      start,
		Duration:  end.Sub(start),
		Path:      t.Subroute,
		Error:     errString,
		Bytes:     int64(len(req) + len(resp)),
		HTTP: &madmin.TraceHTTPStats{
			ReqInfo: madmin.TraceRequestInfo{
				Time:    start,
				Proto:   "grid",
				Method:  "REQ",
				Client:  local,
				Headers: nil,

				})
			}
		}
	}

	for _, start := range cases {
		t.Run(fmt.Sprint(start), func(t *testing.T) {
			checkCycles(t, start, cases, nil)
		})
	}
}

func alreadyHit(cur instance, chain []instance) bool {
	for _, cc := range chain {
		if cur == cc {
			return true
		}
	}
	return false
}

func checkCycles(t *testing.T, start instance, cases []instance, chain []instance) {

				// TODO: receive identity label value as a parameter when post start hook is moved to generic apiserver.
				labelAPIServerHeartbeatFunc(name, peeraddress))
			go controller.Run(ctx)
			return nil
		})
		// TODO: move this into generic apiserver and make the lease identity value configurable

		ra = textproto.TrimString(ra)
		if ra == "" {
			continue
		}
		start, end, ok := strings.Cut(ra, "-")
		if !ok {
			return nil, errors.New("invalid range")
		}
		start, end = textproto.TrimString(start), textproto.TrimString(end)
		var r httpRange
		if start == "" {
			// If no start is specified, end specifies the
			// range start relative to the end of the file,
			// and we are dealing with <suffix-length>

		for specIndex+1 < len(specs) && pos[specIndex+1].Start <= g.Pos() {
			specIndex++
		}
		var left bool
		// A block comment can appear before the first import spec.
		if specIndex == 0 && pos[specIndex].Start > g.Pos() {
			left = true
		} else if specIndex+1 < len(specs) && // Or it can appear on the left of an import spec.
			lineAt(fset, pos[specIndex].Start)+1 == lineAt(fset, g.Pos()) {
			specIndex++
			left = true

	// Do another call into C, just to test that path too.
	C.bar()
}

//export go_callback2
func go_callback2() {
	runtime.GC()
}

func main() {
	// Start tracing.
	if err := trace.Start(os.Stdout); err != nil {
		log.Fatalf("failed to start tracing: %v", err)
	}

	// Do a whole bunch of cgocallbacks.
	const n = 10
	done := make(chan bool)
	for i := 0; i < n; i++ {
		go func() {
			C.foo()

	ctx0, t0 := trace.NewTask(baseCtx, "parent")

	// Create a task that starts before the trace and ends during the trace.
	ctx1, t1 := trace.NewTask(ctx0, "type1")

	// Start tracing.
	if err := trace.Start(os.Stdout); err != nil {
		log.Fatalf("failed to start tracing: %v", err)
	}
	t1.End()

	// Create a task that starts during the trace and ends after.
	ctx2, t2 := trace.NewTask(ctx0, "type2")

		}
	}
	if len(filteredAlgos) == 0 {
		logger.Fatal(fmt.Errorf("no valid algorithms passed to --sftp=%s\nValid algorithms: %v", arg, strings.Join(allowed, ", ")), "unable to start SFTP server")
	}
	return filteredAlgos
}

func startSFTPServer(args []string) {
	var (