518   CHECK_EQ(0U, data->Tell());  in ReadHeader()
541   CHECK_EQ(data->Tell(), sizeof(piped_header_));  in ReadHeader()
559   CHECK_EQ(data->Tell(), sizeof(header_) - features_size);  in ReadHeader()
629   size_t saved_offset = data->Tell();  in ReadAttr()
661   data->SeekSet(data->Tell() + attr->size - attr_readable_size);  in ReadEventAttr()
986     size_t offset = data->Tell();  in ReadRepeatedStringMetadata()
995     size_read += data->Tell() - offset;  in ReadRepeatedStringMetadata()
1150   auto begin_offset = data->Tell();  in ReadPMUMappingsMetadata()
1167   for (u32 i = 0; i < num_mappings || data->Tell() - begin_offset < size; ++i) {  in ReadPMUMappingsMetadata()
1177   if (data->Tell() - begin_offset != size) {  in ReadPMUMappingsMetadata()
1257   CHECK_EQ(piped_header_.size, data->Tell());  in ReadPipedData()
1263   while (result && data->Tell() < data->size()) {  in ReadPipedData()
1346           data->SeekSet(data->Tell() + size_without_header);  in ReadPipedData()
1395   CHECK_EQ(id_offset, data->Tell());  in WriteAttrs()
1402     id_sections.push_back(perf_file_section{data->Tell(), section_size});  in WriteAttrs()
1408   CHECK_EQ(header.attrs.offset, data->Tell());  in WriteAttrs()
1427   CHECK_EQ(header.data.offset, data->Tell());  in WriteData()
1457   CHECK_EQ(header_offset, data->Tell());  in WriteMetadata()
1477     header_entry.offset = data->Tell();  in WriteMetadata()
1549     header_entry.size = data->Tell() - header_entry.offset;  in WriteMetadata()
1556   size_t old_offset = data->Tell();  in WriteMetadata()
1564   CHECK_EQ(metadata_offset, data->Tell());  in WriteMetadata()
1767   const size_t initial_offset = data->Tell();  in ReadAttrEventBlock()
1772   const size_t actual_attr_size = data->Tell() - initial_offset;  in ReadAttrEventBlock()