export_json.cc | Explore in Territory

/*
 * 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 "perfetto/ext/trace_processor/export_json.h"

#include <algorithm>
#include <cmath>
#include <cstdint>
#include <cstdio>
#include <cstring>
#include <deque>
#include <limits>
#include <map>
#include <memory>
#include <optional>
#include <sstream>
#include <string>
#include <tuple>
#include <unordered_map>
#include <utility>
#include <vector>

#include "perfetto/base/build_config.h"
#include "perfetto/base/logging.h"
#include "perfetto/base/status.h"
#include "perfetto/ext/base/string_splitter.h"
#include "perfetto/ext/base/string_utils.h"
#include "perfetto/public/compiler.h"
#include "perfetto/trace_processor/basic_types.h"
#include "src/trace_processor/containers/null_term_string_view.h"
#include "src/trace_processor/export_json.h"
#include "src/trace_processor/storage/metadata.h"
#include "src/trace_processor/storage/stats.h"
#include "src/trace_processor/storage/trace_storage.h"
#include "src/trace_processor/tables/metadata_tables_py.h"
#include "src/trace_processor/tables/profiler_tables_py.h"
#include "src/trace_processor/trace_processor_storage_impl.h"
#include "src/trace_processor/types/trace_processor_context.h"
#include "src/trace_processor/types/variadic.h"
#include "src/trace_processor/util/status_macros.h"

#if PERFETTO_BUILDFLAG(PERFETTO_TP_JSON)
#include <json/config.h>
#include <json/reader.h>
#include <json/value.h>
#include <json/writer.h>
#endif

namespace perfetto::trace_processor::json {

namespace {

class FileWriter : public OutputWriter { … };

#if PERFETTO_BUILDFLAG(PERFETTO_TP_JSON)
IndexMap;

const char kLegacyEventArgsKey[] = …;
const char kLegacyEventPassthroughUtidKey[] = …;
const char kLegacyEventCategoryKey[] = …;
const char kLegacyEventNameKey[] = …;
const char kLegacyEventPhaseKey[] = …;
const char kLegacyEventDurationNsKey[] = …;
const char kLegacyEventThreadTimestampNsKey[] = …;
const char kLegacyEventThreadDurationNsKey[] = …;
const char kLegacyEventThreadInstructionCountKey[] = …;
const char kLegacyEventThreadInstructionDeltaKey[] = …;
const char kLegacyEventUseAsyncTtsKey[] = …;
const char kLegacyEventUnscopedIdKey[] = …;
const char kLegacyEventGlobalIdKey[] = …;
const char kLegacyEventLocalIdKey[] = …;
const char kLegacyEventIdScopeKey[] = …;
const char kStrippedArgument[] = …;

const char* GetNonNullString(const TraceStorage* storage,
                             std::optional<StringId> id) { … }

class JsonExporter { … };

#endif  // PERFETTO_BUILDFLAG(PERFETTO_TP_JSON)

}  // namespace

OutputWriter::OutputWriter() = default;
OutputWriter::~OutputWriter() = default;

base::Status ExportJson(const TraceStorage* storage,
                        OutputWriter* output,
                        ArgumentFilterPredicate argument_filter,
                        MetadataFilterPredicate metadata_filter,
                        LabelFilterPredicate label_filter) { … }

base::Status ExportJson(TraceProcessorStorage* tp,
                        OutputWriter* output,
                        ArgumentFilterPredicate argument_filter,
                        MetadataFilterPredicate metadata_filter,
                        LabelFilterPredicate label_filter) { … }

base::Status ExportJson(const TraceStorage* storage, FILE* output) { … }

}  // namespace perfetto::trace_processor::json
chromium/third_party/perfetto/src/trace_processor/export_json.cc
