chromium/third_party/perfetto/src/trace_processor/util/proto_profiler.cc

/*
 * Copyright (C) 2022 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/util/proto_profiler.h"

#include <utility>

#include "perfetto/base/logging.h"
#include "perfetto/ext/base/string_utils.h"
#include "perfetto/protozero/packed_repeated_fields.h"
#include "perfetto/protozero/proto_decoder.h"
#include "perfetto/protozero/proto_utils.h"

namespace perfetto {
namespace trace_processor {
namespace util {

namespace {
FieldDescriptorProto;
ProtoWireType;

// Takes a type full name, and returns only the final part.
// For example, .perfetto.protos.TracePacket -> TracePacket
std::string GetFieldTypeName(const std::string& full_type_name) { … }

std::string GetLeafTypeName(uint32_t type_id) { … }

}  // namespace

SizeProfileComputer::Field::Field(uint32_t field_idx_in,
                                  const FieldDescriptor* field_descriptor_in,
                                  uint32_t type_in,
                                  const ProtoDescriptor* proto_descriptor_in)
    : … { … }

std::string SizeProfileComputer::Field::field_name() const { … }

std::string SizeProfileComputer::Field::type_name() const { … }

SizeProfileComputer::SizeProfileComputer(DescriptorPool* pool,
                                         const std::string& message_type)
    : … { … }

void SizeProfileComputer::Reset(const uint8_t* ptr, size_t size) { … }

std::optional<size_t> SizeProfileComputer::GetNext() { … }

size_t SizeProfileComputer::GetFieldSize(const protozero::Field& f) { … }

}  // namespace util
}  // namespace trace_processor
}  // namespace perfetto