ulib/trace-reader/reader.cpp

30             ReportError("Unexpected record of size 0");
35         Chunk record;
36         if (!chunk.ReadChunk(size - 1, &record))
37             return true; // need more data to decode record
42             if (!ReadMetadataRecord(record, pending_header_)) {
43                 ReportError("Failed to read metadata record");
48             if (!ReadInitializationRecord(record, pending_header_)) {
49                 ReportError("Failed to read initialization record");
54             if (!ReadStringRecord(record, pending_header_)) {
55                 ReportError("Failed to read string record");
60             if (!ReadThreadRecord(record, pending_header_)) {
61                 ReportError("Failed to read thread record");
66             if (!ReadEventRecord(record, pending_header_)) {
67                 ReportError("Failed to read event record");
73             if (!ReadBlobRecord(record, pending_header_, &ptr)) {
74                 ReportError("Failed to read blob record");
79             if (!ReadKernelObjectRecord(record, pending_header_)) {
80                 ReportError("Failed to read kernel object record");
85             if (!ReadContextSwitchRecord(record, pending_header_)) {
86                 ReportError("Failed to read context switch record");
91             if (!ReadLogRecord(record, pending_header_)) {
92                 ReportError("Failed to read log record");
97             // Ignore unknown record types for forward compatibility.
99                 "Skipping record of unknown type %d", static_cast<uint32_t>(type)));
107 bool TraceReader::ReadMetadataRecord(Chunk& record, RecordHeader header) {
116         if (!record.ReadString(name_length, &name_view))
163 bool TraceReader::ReadInitializationRecord(Chunk& record, RecordHeader header) {
165     if (!record.ReadUint64(&ticks_per_second) || !ticks_per_second)
172 bool TraceReader::ReadStringRecord(Chunk& record, RecordHeader header) {
182     if (!record.ReadString(length, &string_view))
191 bool TraceReader::ReadThreadRecord(Chunk& record, RecordHeader header) {
200     if (!record.ReadUint64(&process_koid) ||
201         !record.ReadUint64(&thread_koid))
210 bool TraceReader::ReadEventRecord(Chunk& record, RecordHeader header) {
224     if (!record.ReadUint64(&timestamp) ||
225         !DecodeThreadRef(record, thread_ref, &process_thread) ||
226         !DecodeStringRef(record, category_ref, &category) ||
227         !DecodeStringRef(record, name_ref, &name) ||
228         !ReadArguments(record, argument_count, &arguments))
234         if (!record.ReadUint64(&scope))
244         if (!record.ReadUint64(&id))
265         if (!record.ReadUint64(&id))
274         if (!record.ReadUint64(&id))
283         if (!record.ReadUint64(&id))
292         if (!record.ReadUint64(&id))
301         if (!record.ReadUint64(&id))
310         if (!record.ReadUint64(&id))
327 bool TraceReader::ReadBlobRecord(Chunk& record, RecordHeader header, void** out_blob) {
335     if (!DecodeStringRef(record, name_ref, &name))
339     if (!record.ReadInPlace(blob_words, &blob))
347 bool TraceReader::ReadKernelObjectRecord(Chunk& record, RecordHeader header) {
358     if (!record.ReadUint64(&koid) ||
359         !DecodeStringRef(record, name_ref, &name) ||
360         !ReadArguments(record, argument_count, &arguments))
368 bool TraceReader::ReadContextSwitchRecord(Chunk& record, RecordHeader header) {
387     if (!record.ReadUint64(&timestamp) ||
388         !DecodeThreadRef(record, outgoing_thread_ref,
390         !DecodeThreadRef(record, incoming_thread_ref, &incoming_thread))
400 bool TraceReader::ReadLogRecord(Chunk& record, RecordHeader header) {
411     if (!record.ReadUint64(&timestamp) ||
412         !DecodeThreadRef(record, thread_ref, &process_thread) ||
413         !record.ReadString(log_message_length, &log_message))
420 bool TraceReader::ReadArguments(Chunk& record,
425         if (!record.ReadUint64(&header)) {
432         if (!size || !record.ReadChunk(size - 1, &arg)) {