chromium/third_party/perfetto/include/perfetto/tracing/internal/track_event_internal.h

/*
 * Copyright (C) 2019 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef INCLUDE_PERFETTO_TRACING_INTERNAL_TRACK_EVENT_INTERNAL_H_
#define INCLUDE_PERFETTO_TRACING_INTERNAL_TRACK_EVENT_INTERNAL_H_

#include "perfetto/base/flat_set.h"
#include "perfetto/protozero/scattered_heap_buffer.h"
#include "perfetto/tracing/core/forward_decls.h"
#include "perfetto/tracing/data_source.h"
#include "perfetto/tracing/debug_annotation.h"
#include "perfetto/tracing/trace_writer_base.h"
#include "perfetto/tracing/traced_value.h"
#include "perfetto/tracing/track.h"
#include "protos/perfetto/common/builtin_clock.pbzero.h"
#include "protos/perfetto/trace/interned_data/interned_data.pbzero.h"
#include "protos/perfetto/trace/track_event/track_event.pbzero.h"

#include <unordered_map>

namespace perfetto {

// Represents a point in time for the clock specified by |clock_id|.
struct TraceTimestamp { … };

class EventContext;
class TrackEventSessionObserver;
struct Category;
struct TraceTimestamp;
namespace protos {
namespace gen {
class TrackEventConfig;
}  // namespace gen
namespace pbzero {
class DebugAnnotation;
}  // namespace pbzero
}  // namespace protos

// A callback interface for observing track event tracing sessions starting and
// stopping. See TrackEvent::{Add,Remove}SessionObserver. Note that all methods
// will be called on an internal Perfetto thread.
class PERFETTO_EXPORT_COMPONENT TrackEventSessionObserver { … };

// A class that the embedder can store arbitrary data user data per thread.
class PERFETTO_EXPORT_COMPONENT TrackEventTlsStateUserData { … };

namespace internal {
class TrackEventCategoryRegistry;

class PERFETTO_EXPORT_COMPONENT BaseTrackEventInternedDataIndex { … };

struct TrackEventTlsState { … };

struct TrackEventIncrementalState { … };

// The backend portion of the track event trace point implemention. Outlined to
// a separate .cc file so it can be shared by different track event category
// namespaces.
class PERFETTO_EXPORT_COMPONENT TrackEventInternal { … };

template <typename TraceContext>
TrackEventTlsState::TrackEventTlsState(const TraceContext& trace_context) { … }

}  // namespace internal
}  // namespace perfetto

#endif  // INCLUDE_PERFETTO_TRACING_INTERNAL_TRACK_EVENT_INTERNAL_H_