232   uint64 AddOrGetMapping(const Pid& pid, const PerfDataHandler::Mapping* smap,
394                                           const PerfDataHandler::Mapping* smap,  in AddOrGetMapping()  argument
401   if (smap == nullptr) {  in AddOrGetMapping()
406   auto it = mapmap.find(smap);  in AddOrGetMapping()
415   mapping->set_memory_start(smap->start);  in AddOrGetMapping()
416   mapping->set_memory_limit(smap->limit);  in AddOrGetMapping()
417   mapping->set_file_offset(smap->file_offset);  in AddOrGetMapping()
418   if (smap->build_id != nullptr && !smap->build_id->empty()) {  in AddOrGetMapping()
419     mapping->set_build_id(UTF8StringId(*smap->build_id, builder));  in AddOrGetMapping()
421   mapping->set_filename(UTF8StringId(MappingFilename(smap), builder));  in AddOrGetMapping()
429   mapmap.insert(std::make_pair(smap, mapping_id));  in AddOrGetMapping()