chromium/v8/src/heap/gc-tracer.h

// Copyright 2014 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef V8_HEAP_GC_TRACER_H_
#define V8_HEAP_GC_TRACER_H_

#include <optional>

#include "include/v8-metrics.h"
#include "src/base/compiler-specific.h"
#include "src/base/macros.h"
#include "src/base/ring-buffer.h"
#include "src/common/globals.h"
#include "src/heap/base/bytes.h"
#include "src/init/heap-symbols.h"
#include "src/logging/counters.h"
#include "testing/gtest/include/gtest/gtest_prod.h"  // nogncheck

namespace v8 {
namespace internal {

enum YoungGenerationSpeedMode { … };

#define TRACE_GC_CATEGORIES …

// Sweeping for full GC may be interleaved with sweeping for minor
// gc. The below scopes should use TRACE_GC_EPOCH to associate them
// with the right cycle.
#define TRACE_GC(tracer, scope_id) …

#define TRACE_GC_ARG1(tracer, scope_id, arg0_name, arg0_value) …

#define TRACE_GC_WITH_FLOW(tracer, scope_id, bind_id, flow_flags) …

#define TRACE_GC1(tracer, scope_id, thread_kind) …

#define TRACE_GC1_WITH_FLOW(tracer, scope_id, thread_kind, bind_id,       \
                            flow_flags) …

#define TRACE_GC_EPOCH(tracer, scope_id, thread_kind) …

#define TRACE_GC_EPOCH_WITH_FLOW(tracer, scope_id, thread_kind, bind_id,  \
                                 flow_flags) …

#define TRACE_GC_NOTE(note) …

#define TRACE_GC_NOTE_WITH_FLOW(note, bind_id, flow_flags) …

CollectionEpoch;

// GCTracer collects and prints ONE line after each garbage collector
// invocation IFF --trace_gc is used.
class V8_EXPORT_PRIVATE GCTracer { … };

const char* ToString(GCTracer::Event::Type type, bool short_name);

}  // namespace internal
}  // namespace v8

#endif  // V8_HEAP_GC_TRACER_H_