chromium/third_party/perfetto/src/trace_processor/read_trace_internal.cc

/*
 * 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.
 */

#include "src/trace_processor/read_trace_internal.h"

#include "perfetto/base/logging.h"
#include "perfetto/ext/base/file_utils.h"
#include "perfetto/ext/base/scoped_file.h"
#include "perfetto/ext/base/scoped_mmap.h"
#include "perfetto/ext/base/utils.h"
#include "perfetto/protozero/proto_utils.h"
#include "perfetto/trace_processor/trace_processor.h"

#include "perfetto/trace_processor/trace_blob.h"
#include "perfetto/trace_processor/trace_blob_view.h"
#include "src/trace_processor/forwarding_trace_parser.h"
#include "src/trace_processor/importers/gzip/gzip_trace_parser.h"
#include "src/trace_processor/importers/proto/proto_trace_tokenizer.h"
#include "src/trace_processor/util/gzip_utils.h"
#include "src/trace_processor/util/status_macros.h"

#include "protos/perfetto/trace/trace.pbzero.h"
#include "protos/perfetto/trace/trace_packet.pbzero.h"

namespace perfetto {
namespace trace_processor {
namespace {

// 1MB chunk size seems the best tradeoff on a MacBook Pro 2013 - i7 2.8 GHz.
constexpr size_t kChunkSize = …;

util::Status ReadTraceUsingRead(
    TraceProcessor* tp,
    int fd,
    uint64_t* file_size,
    const std::function<void(uint64_t parsed_size)>& progress_callback) { … }
}  // namespace

util::Status ReadTraceUnfinalized(
    TraceProcessor* tp,
    const char* filename,
    const std::function<void(uint64_t parsed_size)>& progress_callback) { … }
}  // namespace trace_processor
}  // namespace perfetto