// Copyright 2023 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.

// Trace time and clock.

package runtime

import (
	"internal/goarch"
	_ "unsafe"
)

// Timestamps in trace are produced through either nanotime or cputicks
// and divided by traceTimeDiv. nanotime is used everywhere except on

            requests.add(new MetadataRequest(metadata, null, REPOSITORY_CONTEXT).setTrace(trace));

            for (RemoteRepository repository : request.getRepositories()) {
                requests.add(new MetadataRequest(metadata, repository, REPOSITORY_CONTEXT).setTrace(trace));
            }
        }

        // initial try, use locally cached metadata

	}
	Stop()
	size := buf.Len()
	if size == 0 {
		t.Fatalf("trace is empty")
	}
	time.Sleep(100 * time.Millisecond)
	if size != buf.Len() {
		t.Fatalf("trace writes after stop: %v -> %v", size, buf.Len())
	}
	saveTrace(t, buf, "TestTraceStartStop")
}

func TestTraceDoubleStart(t *testing.T) {
	if IsEnabled() {
		t.Skip("skipping because -test.trace is set")
	}
	Stop()
	buf := new(bytes.Buffer)

     *
     * <p>This method is here because stack trace sanitizing is currently performed by the caller.
     * However, each caller does this in a different way and they all do this in a different way
     * to the services used by this type.
     * </p>
     *
     * <p>
     * Stack trace sanitization should be handled by this service and this method removed.
     * </p>
     *

	func() {
		// Create a region in the execution trace. Set and clear goroutine
		// labels fully within that region, so we know that any CPU profile
		// sample with the label must also be eligible for inclusion in the
		// execution trace.
		ctx := context.Background()
		defer trace.StartRegion(ctx, "cpuHogger").End()
		pprof.Do(ctx, pprof.Labels("tracing", "on"), func(ctx context.Context) {
			cpuHogger(cpuHog1, &salt1, dur)
		})

	// can be used across trace enable/disable boundaries,
	// which complicates the problem.
	//
	// For example, consider the following scenario:
	//   - trace is enabled.
	//   - trace.WithRegion is called, so a new context ctx
	//     with a new region is created.
	//   - trace is disabled.
	//   - trace is enabled again.
	//   - trace APIs with the ctx is called. Is the ID in the task

        return result;
    }

    private void missingDescriptor(
            RepositorySystemSession session, RequestTrace trace, Artifact artifact, Exception exception) {
        RepositoryEvent.Builder event = new RepositoryEvent.Builder(session, EventType.ARTIFACT_DESCRIPTOR_MISSING);
        event.setTrace(trace);
        event.setArtifact(artifact);
        event.setException(exception);

		}
		if err := w.WriteEvent(ev); err != nil {
			t.Fatalf("failed to write out test %s: %v", testPath, err)
		}
	}

	// Parse the test trace.
	parsed, err := parseTrace(&trace, int64(trace.Len()))
	if err != nil {
		t.Fatalf("failed to parse trace: %v", err)
	}
	return parsed

  FunctionDef fdef = SquareFunc();
  AbstractFunctionPtr trace(new GraphFunction(fdef), /*add_ref=*/false);
  Function tf_function;
  PartialTensorShape unknown_shape;
  TaggedValue signature(unknown_shape, DT_FLOAT);
  Status s = tf_function.RegisterTrace(std::move(trace), signature, signature);
  ASSERT_TRUE(s.ok()) << s.message();
  TaggedValue args(std::move(x));

	"strconv"
	"strings"
	"unicode"

	"internal/trace/event"
	"internal/trace/version"
)

// TextReader parses a text format trace with only very basic validation
// into an event stream.
type TextReader struct {
	v     version.Version
	specs []event.Spec
	names map[string]event.Type
	s     *bufio.Scanner
}

// NewTextReader creates a new reader for the trace text format.