chromium/third_party/perfetto/src/trace_processor/sorter/trace_token_buffer.cc

/*
 * Copyright (C) 2023 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.
 */

#include "src/trace_processor/sorter/trace_token_buffer.h"

#include <algorithm>
#include <cstdint>
#include <cstring>
#include <functional>
#include <limits>
#include <optional>
#include <utility>

#include "perfetto/base/compiler.h"
#include "perfetto/base/logging.h"
#include "perfetto/trace_processor/ref_counted.h"
#include "perfetto/trace_processor/trace_blob.h"
#include "perfetto/trace_processor/trace_blob_view.h"
#include "src/trace_processor/importers/common/parser_types.h"
#include "src/trace_processor/importers/proto/packet_sequence_state_generation.h"
#include "src/trace_processor/util/bump_allocator.h"

namespace perfetto::trace_processor {
namespace {

struct alignas(8) TrackEventDataDescriptor { … };
static_assert …;
static_assert …;

template <typename T>
T ExtractFromPtr(uint8_t** ptr) { … }

template <typename T>
uint8_t* AppendToPtr(uint8_t* ptr, T value) { … }

uint32_t GetAllocSize(const TrackEventDataDescriptor& desc) { … }

}  // namespace

TraceTokenBuffer::Id TraceTokenBuffer::Append(TrackEventData ted) { … }

template <>
TrackEventData TraceTokenBuffer::Extract<TrackEventData>(Id id) { … }

uint32_t TraceTokenBuffer::InternTraceBlob(InternedIndex interned_index,
                                           const TraceBlobView& tbv) { … }

uint16_t TraceTokenBuffer::InternSeqState(
    InternedIndex interned_index,
    RefPtr<PacketSequenceStateGeneration> ptr) { … }

uint32_t TraceTokenBuffer::AddTraceBlob(InternedIndex interned_index,
                                        const TraceBlobView& tbv) { … }

void TraceTokenBuffer::FreeMemory() { … }

BumpAllocator::AllocId TraceTokenBuffer::AllocAndResizeInternedVectors(
    uint32_t size) { … }

TraceTokenBuffer::InternedIndex TraceTokenBuffer::GetInternedIndex(
    BumpAllocator::AllocId alloc_id) { … }

}  // namespace perfetto::trace_processor