126   std::unique_ptr<RecordFileReader> reader_;  member in DebugUnwindCommand
185   reader_ = RecordFileReader::CreateInstance(input_filename_);  in UnwindRecordFile()
186   if (!reader_) {  in UnwindRecordFile()
189   reader_->LoadBuildIdAndFileFeatures(thread_tree_);  in UnwindRecordFile()
190   std::string record_cmd = android::base::Join(reader_->ReadCmdlineFeature(), " ");  in UnwindRecordFile()
197   ScopedCurrentArch scoped_arch(GetArchType(reader_->ReadFeatureString(PerfFileFormat::FEAT_ARCH)));  in UnwindRecordFile()
198   offline_unwinder_->LoadMetaInfo(reader_->GetMetaInfoFeature());  in UnwindRecordFile()
202   if (!writer_ || !writer_->WriteAttrSection(reader_->AttrSection())) {  in UnwindRecordFile()
213   if (!reader_->ReadDataSection(callback)) {  in UnwindRecordFile()
345   const std::map<int, PerfFileFormat::SectionDesc>& features = reader_->FeatureSectionDescriptors();  in WriteFeatureSections()
360     if (!reader_->ReadFeatureSection(it->first, &data) || !writer_->WriteFeature(it->first, data)) {  in WriteFeatureSections()
375     info_map = reader_->GetMetaInfoFeature();  in WriteFeatureSections()