%2 = func.call @simple_test(%arg0, %0, %1) {tac.interface_name = "func1"} : (tensor<4x384x32xf32>, tensor<3xi32>, tensor<3xi32>) -> tensor<1x384x32xf32>
  func.return %2 : tensor<1x384x32xf32>
}

// PARTIAL-LABEL: @simple_test
func.func @simple_test(%arg0: tensor<4x384x32xf32>, %arg1: tensor<3xi32>, %arg2: tensor<3xi32>) -> tensor<1x384x32xf32> attributes {tac.interface_name = "func1"} {

String id=30
	data="main.main.func1.1"
String id=31
	data="/usr/local/google/home/mknyszek/work/go-1/src/internal/trace/v2/testdata/testprog/annotations.go"
String id=32
	data="runtime/trace.WithRegion"
String id=33
	data="/usr/local/google/home/mknyszek/work/go-1/src/runtime/trace/annotation.go"
String id=34
	data="main.main.func1"
String id=35
	data="runtime/trace.Start.func1"
String id=36

	// on a channel, in a select or otherwise. So we kick off goroutines
	// that need to block first in the hope that while we are executing
	// the rest of the test, they will block.
	go func() { // func1
		select {}
	}()
	go func() { // func2
		var c chan int
		c <- 0
	}()
	go func() { // func3
		var c chan int
		<-c
	}()
	done1 := make(chan bool)
	go func() { // func4
		<-done1
	}()

String id=123
	data="fmt.Sprintf"
String id=124
	data="main.do.func1.1"
String id=125
	data="runtime/trace.Start"
String id=126
	data="/usr/local/google/home/mknyszek/work/go-1/src/runtime/trace/trace.go"
String id=127
	data="main.do.func1"
String id=128
	data="runtime/trace.WithRegion"
String id=129
	data="main.do.func1.1.1"
String id=130
	data="time.Sleep"
String id=131

traceback_system_test.go:49: runtime_test.child3: 	child4()
traceback_system_test.go:45: runtime_test.child2: 	child3()
traceback_system_test.go:41: runtime_test.child1: 	child2()
traceback_system_test.go:35: runtime_test.crash.func1: 		child1()
redacted.go:0: runtime.goexit
`
	if strings.TrimSpace(got) != strings.TrimSpace(want) {
		t.Errorf("got:\n%swant:\n%s", got, want)
	}
}

		if err := p.CheckValid(); err != nil {
			t.Fatalf("invalid profile: %v", err)
		}

		stks := stacks(p)
		for _, want := range [][]string{
			{"sync.(*Mutex).Unlock", "runtime/pprof.blockMutexN.func1"},
		} {
			if !containsStack(stks, want) {
				t.Errorf("No matching stack entry for %+v", want)
			}
		}

		i := 0
		for ; i < len(p.SampleType); i++ {

	var (
		hasSchedWaitTime    bool
		hasSyncBlockTime    bool
		hasGCMarkAssistTime bool
	)

	assertContainsGoroutine(t, summaries, "runtime.gcBgMarkWorker")
	assertContainsGoroutine(t, summaries, "main.main.func1")

	for _, summary := range summaries {
		basicGoroutineSummaryChecks(t, summary)
		hasSchedWaitTime = hasSchedWaitTime || summary.SchedWaitTime > 0
		if dt, ok := summary.BlockTimeByReason["sync"]; ok && dt > 0 {

	if !strings.HasPrefix(output, want) {
		t.Fatalf("output does not start with %q:\n%s", want, output)
	}

	// Check functions in the traceback.
	fns := []string{"main.pt1.func1", "panic", "main.pt2.func1", "panic", "main.pt2", "main.pt1"}
	for _, fn := range fns {
		re := regexp.MustCompile(`(?m)^` + regexp.QuoteMeta(fn) + `\(.*\n`)
		idx := re.FindStringIndex(output)
		if idx == nil {

				{"main.main", mainLine + 11},
			}},
			{trace.EventStateTransition, "Goroutine Running->Waiting", []frame{
				{"runtime.block", 0},
				{"main.main.func1", 0},
			}},
			{trace.EventStateTransition, "Goroutine Running->Waiting", []frame{
				{"runtime.chansend1", 0},
				{"main.main.func2", 0},
			}},

	}
	gotLog := strings.TrimSpace(errorLog.String())
	wantLog := "http: superfluous response.WriteHeader call from net/http_test.testWriteHeaderAfterWrite.func1 (clientserver_test.go:"
	if hijack {
		wantLog = "http: response.WriteHeader on hijacked connection from net/http_test.testWriteHeaderAfterWrite.func1 (clientserver_test.go:"
	}
	if !strings.HasPrefix(gotLog, wantLog) {
		t.Errorf("stderr output = %q; want %q", gotLog, wantLog)
	}
}