892   perf_file_section ids;  in ReadAttr()  local
893   if (!ReadDataFromBuffer(data, sizeof(ids), "ID section info", offset, &ids))  in ReadAttr()
896     ByteSwap(&ids.offset);  in ReadAttr()
897     ByteSwap(&ids.size);  in ReadAttr()
900   size_t num_ids = ids.size / sizeof(decltype(attr.ids)::value_type);  in ReadAttr()
902   size_t ids_offset = ids.offset;  in ReadAttr()
903   if (!ReadUniqueIDs(data, num_ids, &ids_offset, &attr.ids))  in ReadAttr()
996                                size_t* offset, std::vector<u64>* ids) {  in ReadUniqueIDs()  argument
997   ids->resize(num_ids);  in ReadUniqueIDs()
999     if (!ReadDataFromBuffer(data, sizeof(ids->at(j)), "ID", offset,  in ReadUniqueIDs()
1000                             &ids->at(j))) {  in ReadUniqueIDs()
1004       ByteSwap(&ids->at(j));  in ReadUniqueIDs()
1368       (size - actual_attr_size) / sizeof(decltype(attr.ids)::value_type);  in ReadAttrEventBlock()
1369   if (!ReadUniqueIDs(data, num_ids, &offset, &attr.ids))  in ReadAttrEventBlock()
1375     if (attrs_[i].ids[0] == attr.ids[0])  in ReadAttrEventBlock()
1493       size += attrs_[i].ids.size() * sizeof(attrs_[i].ids[0]);  in GetEventDescMetadataSize()