181     auto get_arch = [](std::unique_ptr<RecordFileReader>& reader) {  in CheckFeatureSection()  argument
182       return reader->ReadFeatureString(PerfFileFormat::FEAT_ARCH);  in CheckFeatureSection()
184     auto get_kernel_version = [](std::unique_ptr<RecordFileReader>& reader) {  in CheckFeatureSection()  argument
185       return reader->ReadFeatureString(PerfFileFormat::FEAT_OSRELEASE);  in CheckFeatureSection()
187     auto get_meta_info = [](std::unique_ptr<RecordFileReader>& reader, const char* key) {  in CheckFeatureSection()  argument
188       auto it = reader->GetMetaInfoFeature().find(key);  in CheckFeatureSection()
189       return it == reader->GetMetaInfoFeature().end() ? "" : it->second;  in CheckFeatureSection()
191     auto get_simpleperf_version = [&](std::unique_ptr<RecordFileReader>& reader) {  in CheckFeatureSection()  argument
192       return get_meta_info(reader, "simpleperf_version");  in CheckFeatureSection()
194     auto get_trace_offcpu = [&](std::unique_ptr<RecordFileReader>& reader) {  in CheckFeatureSection()  argument
195       return get_meta_info(reader, "trace_offcpu");  in CheckFeatureSection()
197     auto get_event_types = [&](std::unique_ptr<RecordFileReader>& reader) {  in CheckFeatureSection()  argument
198       std::string s = get_meta_info(reader, "event_type_info");  in CheckFeatureSection()
203     auto get_android_device = [&](std::unique_ptr<RecordFileReader>& reader) {  in CheckFeatureSection()  argument
204       return get_meta_info(reader, "product_props");  in CheckFeatureSection()
206     auto get_android_version = [&](std::unique_ptr<RecordFileReader>& reader) {  in CheckFeatureSection()  argument
207       return get_meta_info(reader, "android_version");  in CheckFeatureSection()
209     auto get_app_package_name = [&](std::unique_ptr<RecordFileReader>& reader) {  in CheckFeatureSection()  argument
210       return get_meta_info(reader, "app_package_name");  in CheckFeatureSection()
212     auto get_clockid = [&](std::unique_ptr<RecordFileReader>& reader) {  in CheckFeatureSection()  argument
213       return get_meta_info(reader, "clockid");  in CheckFeatureSection()
215     auto get_used_features = [](std::unique_ptr<RecordFileReader>& reader) {  in CheckFeatureSection()  argument
217       for (const auto& [key, _] : reader->FeatureSectionDescriptors()) {  in CheckFeatureSection()
353     for (auto& reader : readers_) {  in WriteBuildIdFeature()  local
354       for (auto& record : reader->ReadBuildIdFeature()) {  in WriteBuildIdFeature()
382     for (auto& reader : readers_) {  in WriteFileFeature()  local
385       while (reader->ReadFileFeature(read_pos, &file)) {  in WriteFileFeature()