110     return (memcmp(header_.magic, PERF_MAGIC, sizeof(header_.magic)) == 0);  in IsValidDataFile()
115     return header_.magic[0] == '\x1f' and header_.magic[1] == '\x8b';  in IsGzipFile()
120     if (Read(&header_, sizeof(header_))) {  in ReadFileHeader()
121         dataSectionSize_ = header_.data.size;  in ReadFileHeader()
123             featureSectionOffset_ = header_.data.offset + header_.data.size;  in ReadFileHeader()
125                 std::bitset<SIZE_FETURE_COUNT> features(header_.features[i]);  in ReadFileHeader()
140     if (header_.attrSize != sizeof(perf_file_attr)) {  in ReadAttrSection()
142         HLOGW("attr size %" PRId64 " doesn't match expected size %zu", header_.attrSize,  in ReadAttrSection()
146     int attrCount = header_.attrs.size / header_.attrSize;  in ReadAttrSection()
151     if (fseek(fp_, header_.attrs.offset, SEEK_SET) != 0) {  in ReadAttrSection()
156         std::vector<char> buf(header_.attrSize);  in ReadAttrSection()
163         size_t attr_size = header_.attrSize - sizeof(attr.ids);  in ReadAttrSection()
167         if (sizeof(perf_event_attr) > header_.attrSize) {  in ReadAttrSection()
224     if (fseek(fp_, header_.data.offset, SEEK_SET) != 0) {  in ReadDataSection()
229     HLOGD("dataSection_ at offset %" PRId64 " + %" PRId64 "", header_.data.offset,  in ReadDataSection()
230           header_.data.size);  in ReadDataSection()
262     uint64_t remainingSize = header_.data.size;  in ReadRecord()
334     return header_;  in GetHeader()