LogEvent ReadEvent()
{
var type = Reader.ReadByte();
var basicType = (LogEventType)(type & 0xf);
var extType = (LogEventType)(type & 0xf0);
_time = ReadTime();
switch (basicType)
{
case LogEventType.Allocation:
switch (extType)
{
case LogEventType.AllocationBacktrace:
case LogEventType.AllocationNoBacktrace:
return(new AllocationEvent {
ClassPointer = ReadPointer(),
ObjectPointer = ReadObject(),
ObjectSize = (long)Reader.ReadULeb128(),
Backtrace = ReadBacktrace(extType == LogEventType.AllocationBacktrace),
});
default:
throw new LogException($"Invalid extended event type ({extType}).");
}
case LogEventType.GC:
switch (extType)
{
case LogEventType.GCEvent:
return(new GCEvent {
Type = (LogGCEvent)Reader.ReadByte(),
Generation = Reader.ReadByte(),
});
case LogEventType.GCResize:
return(new GCResizeEvent {
NewSize = (long)Reader.ReadULeb128(),
});
case LogEventType.GCMove: {
var list = new long [(int)Reader.ReadULeb128()];
for (var i = 0; i < list.Length; i++)
{
list [i] = ReadObject();
}
return(new GCMoveEvent {
OldObjectPointers = list.Where((_, i) => i % 2 == 0).ToArray(),
NewObjectPointers = list.Where((_, i) => i % 2 != 0).ToArray(),
});
}
case LogEventType.GCHandleCreationNoBacktrace:
case LogEventType.GCHandleCreationBacktrace:
return(new GCHandleCreationEvent {
Type = (LogGCHandleType)Reader.ReadULeb128(),
Handle = (long)Reader.ReadULeb128(),
ObjectPointer = ReadObject(),
Backtrace = ReadBacktrace(extType == LogEventType.GCHandleCreationBacktrace),
});
case LogEventType.GCHandleDeletionNoBacktrace:
case LogEventType.GCHandleDeletionBacktrace:
return(new GCHandleDeletionEvent {
Type = (LogGCHandleType)Reader.ReadULeb128(),
Handle = (long)Reader.ReadULeb128(),
Backtrace = ReadBacktrace(extType == LogEventType.GCHandleDeletionBacktrace),
});
case LogEventType.GCFinalizeBegin:
return(new GCFinalizeBeginEvent());
case LogEventType.GCFinalizeEnd:
return(new GCFinalizeEndEvent());
case LogEventType.GCFinalizeObjectBegin:
return(new GCFinalizeObjectBeginEvent {
ObjectPointer = ReadObject(),
});
case LogEventType.GCFinalizeObjectEnd:
return(new GCFinalizeObjectEndEvent {
ObjectPointer = ReadObject(),
});
default:
throw new LogException($"Invalid extended event type ({extType}).");
}
case LogEventType.Metadata: {
var load = false;
var unload = false;
switch (extType)
{
case LogEventType.MetadataExtra:
break;
case LogEventType.MetadataEndLoad:
load = true;
break;
case LogEventType.MetadataEndUnload:
unload = true;
break;
default:
throw new LogException($"Invalid extended event type ({extType}).");
}
var metadataType = (LogMetadataType)Reader.ReadByte();
switch (metadataType)
{
case LogMetadataType.Class:
if (load)
{
return(new ClassLoadEvent {
ClassPointer = ReadPointer(),
ImagePointer = ReadPointer(),
Name = Reader.ReadCString(),
});
}
else
{
throw new LogException("Invalid class metadata event.");
}
case LogMetadataType.Image:
if (load)
{
return(new ImageLoadEvent {
ImagePointer = ReadPointer(),
Name = Reader.ReadCString(),
});
}
else if (unload)
{
return(new ImageUnloadEvent {
ImagePointer = ReadPointer(),
Name = Reader.ReadCString(),
});
}
else
{
throw new LogException("Invalid image metadata event.");
}
case LogMetadataType.Assembly:
if (load)
{
return(new AssemblyLoadEvent {
AssemblyPointer = ReadPointer(),
ImagePointer = ReadPointer(),
Name = Reader.ReadCString(),
});
}
else if (unload)
{
return(new AssemblyUnloadEvent {
AssemblyPointer = ReadPointer(),
ImagePointer = ReadPointer(),
Name = Reader.ReadCString(),
});
}
else
{
throw new LogException("Invalid assembly metadata event.");
}
case LogMetadataType.AppDomain:
if (load)
{
return(new AppDomainLoadEvent {
AppDomainId = ReadPointer(),
});
}
else if (unload)
{
return(new AppDomainUnloadEvent {
AppDomainId = ReadPointer(),
});
}
else
{
return(new AppDomainNameEvent {
AppDomainId = ReadPointer(),
Name = Reader.ReadCString(),
});
}
case LogMetadataType.Thread:
if (load)
{
return(new ThreadStartEvent {
ThreadId = ReadPointer(),
});
}
else if (unload)
{
return(new ThreadEndEvent {
ThreadId = ReadPointer(),
});
}
else
{
return(new ThreadNameEvent {
ThreadId = ReadPointer(),
Name = Reader.ReadCString(),
});
}
case LogMetadataType.Context:
if (load)
{
return(new ContextLoadEvent {
ContextId = ReadPointer(),
AppDomainId = ReadPointer(),
});
}
else if (unload)
{
return(new ContextUnloadEvent {
ContextId = ReadPointer(),
AppDomainId = ReadPointer(),
});
}
else
{
throw new LogException("Invalid context metadata event.");
}
default:
throw new LogException($"Invalid metadata type ({metadataType}).");
}
}
case LogEventType.Method:
switch (extType)
{
case LogEventType.MethodLeave:
return(new LeaveEvent {
MethodPointer = ReadMethod(),
});
case LogEventType.MethodEnter:
return(new EnterEvent {
MethodPointer = ReadMethod(),
});
case LogEventType.MethodLeaveExceptional:
return(new ExceptionalLeaveEvent {
MethodPointer = ReadMethod(),
});
case LogEventType.MethodJit:
return(new JitEvent {
MethodPointer = ReadMethod(),
CodePointer = ReadPointer(),
CodeSize = (long)Reader.ReadULeb128(),
Name = Reader.ReadCString(),
});
default:
throw new LogException($"Invalid extended event type ({extType}).");
}
case LogEventType.Exception:
switch (extType)
{
case LogEventType.ExceptionThrowNoBacktrace:
case LogEventType.ExceptionThrowBacktrace:
return(new ThrowEvent {
ObjectPointer = ReadObject(),
Backtrace = ReadBacktrace(extType == LogEventType.ExceptionThrowBacktrace),
});
case LogEventType.ExceptionClause:
return(new ExceptionClauseEvent {
Type = (LogExceptionClause)Reader.ReadByte(),
Index = (long)Reader.ReadULeb128(),
MethodPointer = ReadMethod(),
ObjectPointer = ReadObject(),
});
default:
throw new LogException($"Invalid extended event type ({extType}).");
}
case LogEventType.Monitor:
switch (extType)
{
case LogEventType.MonitorNoBacktrace:
case LogEventType.MonitorBacktrace:
return(new MonitorEvent {
Event = (LogMonitorEvent)Reader.ReadByte(),
ObjectPointer = ReadObject(),
Backtrace = ReadBacktrace(extType == LogEventType.MonitorBacktrace),
});
default:
throw new LogException($"Invalid extended event type ({extType}).");
}
case LogEventType.Heap:
switch (extType)
{
case LogEventType.HeapBegin:
return(new HeapBeginEvent());
case LogEventType.HeapEnd:
return(new HeapEndEvent());
case LogEventType.HeapObject: {
var ev = new HeapObjectEvent {
ObjectPointer = ReadObject(),
ClassPointer = ReadPointer(),
ObjectSize = (long)Reader.ReadULeb128(),
};
var list = new HeapObjectEvent.HeapObjectReference [(int)Reader.ReadULeb128()];
for (var i = 0; i < list.Length; i++)
{
list [i] = new HeapObjectEvent.HeapObjectReference {
Offset = (long)Reader.ReadULeb128(),
ObjectPointer = ReadObject(),
};
}
ev.References = list;
return(ev);
}
case LogEventType.HeapRoots: {
// TODO: This entire event makes no sense.
var ev = new HeapRootsEvent();
var list = new HeapRootsEvent.HeapRoot [(int)Reader.ReadULeb128()];
ev.MaxGenerationCollectionCount = (long)Reader.ReadULeb128();
for (var i = 0; i < list.Length; i++)
{
list [i] = new HeapRootsEvent.HeapRoot {
ObjectPointer = ReadObject(),
Attributes = (LogHeapRootAttributes)Reader.ReadByte(),
ExtraInfo = (long)Reader.ReadULeb128(),
};
}
ev.Roots = list;
return(ev);
}
default:
throw new LogException($"Invalid extended event type ({extType}).");
}
case LogEventType.Sample:
switch (extType)
{
case LogEventType.SampleHit:
return(new SampleHitEvent {
ThreadId = ReadPointer(),
UnmanagedBacktrace = ReadBacktrace(true, false),
ManagedBacktrace = ReadBacktrace(true),
});
case LogEventType.SampleUnmanagedSymbol:
return(new UnmanagedSymbolEvent {
CodePointer = ReadPointer(),
CodeSize = (long)Reader.ReadULeb128(),
Name = Reader.ReadCString(),
});
case LogEventType.SampleUnmanagedBinary:
return(new UnmanagedBinaryEvent {
SegmentPointer = ReadPointer(),
SegmentOffset = (long)Reader.ReadULeb128(),
SegmentSize = (long)Reader.ReadULeb128(),
FileName = Reader.ReadCString(),
});
case LogEventType.SampleCounterDescriptions: {
var ev = new CounterDescriptionsEvent();
var list = new CounterDescriptionsEvent.CounterDescription [(int)Reader.ReadULeb128()];
for (var i = 0; i < list.Length; i++)
{
var section = (LogCounterSection)Reader.ReadULeb128();
list [i] = new CounterDescriptionsEvent.CounterDescription {
Section = section,
SectionName = section == LogCounterSection.User ? Reader.ReadCString() : string.Empty,
CounterName = Reader.ReadCString(),
Type = (LogCounterType)Reader.ReadByte(),
Unit = (LogCounterUnit)Reader.ReadByte(),
Variance = (LogCounterVariance)Reader.ReadByte(),
Index = (long)Reader.ReadULeb128(),
};
}
ev.Descriptions = list;
return(ev);
}
case LogEventType.SampleCounters: {
var ev = new CounterSamplesEvent();
var list = new List <CounterSamplesEvent.CounterSample> ();
while (true)
{
var index = (long)Reader.ReadULeb128();
if (index == 0)
{
break;
}
var counterType = (LogCounterType)Reader.ReadByte();
object value = null;
switch (counterType)
{
case LogCounterType.String:
value = Reader.ReadByte() == 1 ? Reader.ReadCString() : null;
break;
case LogCounterType.Int32:
case LogCounterType.Word:
case LogCounterType.Int64:
case LogCounterType.Interval:
value = Reader.ReadSLeb128();
break;
case LogCounterType.UInt32:
case LogCounterType.UInt64:
value = Reader.ReadULeb128();
break;
case LogCounterType.Double:
value = Reader.ReadDouble();
break;
default:
throw new LogException($"Invalid counter type ({counterType}).");
}
list.Add(new CounterSamplesEvent.CounterSample {
Index = index,
Type = counterType,
Value = value,
});
}
ev.Samples = list;
return(ev);
}
default:
throw new LogException($"Invalid extended event type ({extType}).");
}
case LogEventType.Runtime:
switch (extType)
{
case LogEventType.RuntimeJitHelper: {
var helperType = (LogJitHelper)Reader.ReadByte();
return(new JitHelperEvent {
Type = helperType,
BufferPointer = ReadPointer(),
BufferSize = (long)Reader.ReadULeb128(),
Name = helperType == LogJitHelper.SpecificTrampoline ? Reader.ReadCString() : string.Empty,
});
}
default:
throw new LogException($"Invalid extended event type ({extType}).");
}
case LogEventType.Coverage:
switch (extType)
{
case LogEventType.CoverageAssembly:
return(new AssemblyCoverageEvent {
AssemblyName = Reader.ReadCString(),
Guid = Guid.Parse(Reader.ReadCString()),
FileName = Reader.ReadCString(),
NumberOfMethods = (long)Reader.ReadULeb128(),
FullyCovered = (long)Reader.ReadULeb128(),
PartiallyCovered = (long)Reader.ReadULeb128(),
});
case LogEventType.CoverageMethod:
return(new MethodCoverageEvent {
AssemblyName = Reader.ReadCString(),
ClassName = Reader.ReadCString(),
MethodName = Reader.ReadCString(),
MethodSignature = Reader.ReadCString(),
FileName = Reader.ReadCString(),
MetadataToken = Reader.ReadULeb128(),
MethodId = (long)Reader.ReadULeb128(),
NumberOfStatements = (long)Reader.ReadULeb128(),
});
case LogEventType.CoverageStatement:
return(new StatementCoverageEvent {
MethodId = (long)Reader.ReadULeb128(),
RelativeILOffset = (long)Reader.ReadULeb128(),
Counter = Reader.ReadULeb128(),
Line = (long)Reader.ReadULeb128(),
Column = (long)Reader.ReadULeb128(),
});
case LogEventType.CoverageClass:
return(new ClassCoverageEvent {
AssemblyName = Reader.ReadCString(),
ClassName = Reader.ReadCString(),
NumberOfMethods = (long)Reader.ReadULeb128(),
FullyCovered = (long)Reader.ReadULeb128(),
PartiallyCovered = (long)Reader.ReadULeb128(),
});
default:
throw new LogException($"Invalid extended event type ({extType}).");
}
case LogEventType.Meta:
switch (extType)
{
case LogEventType.MetaSynchronizationPoint:
return(new SynchronizationPointEvent {
Type = (LogSynchronizationPoint)Reader.ReadByte(),
});
default:
throw new LogException($"Invalid extended event type ({extType}).");
}
default:
throw new LogException($"Invalid basic event type ({basicType}).");
}
}
LogEvent ReadEvent()
{
var type = _reader.ReadByte();
var basicType = (LogEventType)(type & 0xf);
var extType = (LogEventType)(type & 0xf0);
_time = ReadTime();
LogEvent ev = null;
switch (basicType)
{
case LogEventType.Allocation:
switch (extType)
{
case LogEventType.AllocationBacktrace:
case LogEventType.AllocationNoBacktrace:
ev = new AllocationEvent {
ClassPointer = StreamHeader.FormatVersion < 15 ? ReadPointer() : 0,
VTablePointer = StreamHeader.FormatVersion >= 15 ? ReadPointer() : 0,
ObjectPointer = ReadObject(),
ObjectSize = (long)_reader.ReadULeb128(),
Backtrace = ReadBacktrace(extType == LogEventType.AllocationBacktrace),
};
break;
default:
throw new LogException($"Invalid extended event type ({extType}).");
}
break;
case LogEventType.GC:
switch (extType)
{
case LogEventType.GCEvent:
ev = new GCEvent {
Type = (LogGCEvent)_reader.ReadByte(),
Generation = _reader.ReadByte(),
};
break;
case LogEventType.GCResize:
ev = new GCResizeEvent {
NewSize = (long)_reader.ReadULeb128(),
};
break;
case LogEventType.GCMove: {
var list = new long [(int)_reader.ReadULeb128()];
for (var i = 0; i < list.Length; i++)
{
list [i] = ReadObject();
}
ev = new GCMoveEvent {
OldObjectPointers = list.Where((_, i) => i % 2 == 0).ToArray(),
NewObjectPointers = list.Where((_, i) => i % 2 != 0).ToArray(),
};
break;
}
case LogEventType.GCHandleCreationNoBacktrace:
case LogEventType.GCHandleCreationBacktrace:
ev = new GCHandleCreationEvent {
Type = (LogGCHandleType)_reader.ReadULeb128(),
Handle = (long)_reader.ReadULeb128(),
ObjectPointer = ReadObject(),
Backtrace = ReadBacktrace(extType == LogEventType.GCHandleCreationBacktrace),
};
break;
case LogEventType.GCHandleDeletionNoBacktrace:
case LogEventType.GCHandleDeletionBacktrace:
ev = new GCHandleDeletionEvent {
Type = (LogGCHandleType)_reader.ReadULeb128(),
Handle = (long)_reader.ReadULeb128(),
Backtrace = ReadBacktrace(extType == LogEventType.GCHandleDeletionBacktrace),
};
break;
case LogEventType.GCFinalizeBegin:
ev = new GCFinalizeBeginEvent();
break;
case LogEventType.GCFinalizeEnd:
ev = new GCFinalizeEndEvent();
break;
case LogEventType.GCFinalizeObjectBegin:
ev = new GCFinalizeObjectBeginEvent {
ObjectPointer = ReadObject(),
};
break;
case LogEventType.GCFinalizeObjectEnd:
ev = new GCFinalizeObjectEndEvent {
ObjectPointer = ReadObject(),
};
break;
default:
throw new LogException($"Invalid extended event type ({extType}).");
}
break;
case LogEventType.Metadata: {
var load = false;
var unload = false;
switch (extType)
{
case LogEventType.MetadataExtra:
break;
case LogEventType.MetadataEndLoad:
load = true;
break;
case LogEventType.MetadataEndUnload:
unload = true;
break;
default:
throw new LogException($"Invalid extended event type ({extType}).");
}
var metadataType = (LogMetadataType)_reader.ReadByte();
switch (metadataType)
{
case LogMetadataType.Class:
if (load)
{
ev = new ClassLoadEvent {
ClassPointer = ReadPointer(),
ImagePointer = ReadPointer(),
Name = _reader.ReadCString(),
};
}
else
{
throw new LogException("Invalid class metadata event.");
}
break;
case LogMetadataType.Image:
if (load)
{
var ile = new ImageLoadEvent {
ImagePointer = ReadPointer(),
Name = _reader.ReadCString(),
};
if (StreamHeader.FormatVersion >= 16)
{
var guid = _reader.ReadCString();
ile.ModuleVersionId = guid == string.Empty ? Guid.Empty : Guid.Parse(guid);
}
ev = ile;
}
else if (unload)
{
ev = new ImageUnloadEvent {
ImagePointer = ReadPointer(),
Name = _reader.ReadCString(),
};
}
else
{
throw new LogException("Invalid image metadata event.");
}
break;
case LogMetadataType.Assembly:
if (load)
{
ev = new AssemblyLoadEvent {
AssemblyPointer = ReadPointer(),
ImagePointer = StreamHeader.FormatVersion >= 14 ? ReadPointer() : 0,
Name = _reader.ReadCString(),
};
}
else if (unload)
{
ev = new AssemblyUnloadEvent {
AssemblyPointer = ReadPointer(),
ImagePointer = StreamHeader.FormatVersion >= 14 ? ReadPointer() : 0,
Name = _reader.ReadCString(),
};
}
else
{
throw new LogException("Invalid assembly metadata event.");
}
break;
case LogMetadataType.AppDomain:
if (load)
{
ev = new AppDomainLoadEvent {
AppDomainId = ReadPointer(),
};
}
else if (unload)
{
ev = new AppDomainUnloadEvent {
AppDomainId = ReadPointer(),
};
}
else
{
ev = new AppDomainNameEvent {
AppDomainId = ReadPointer(),
Name = _reader.ReadCString(),
};
}
break;
case LogMetadataType.Thread:
if (load)
{
ev = new ThreadStartEvent {
ThreadId = ReadPointer(),
};
}
else if (unload)
{
ev = new ThreadEndEvent {
ThreadId = ReadPointer(),
};
}
else
{
ev = new ThreadNameEvent {
ThreadId = ReadPointer(),
Name = _reader.ReadCString(),
};
}
break;
case LogMetadataType.Context:
if (load)
{
ev = new ContextLoadEvent {
ContextId = ReadPointer(),
AppDomainId = ReadPointer(),
};
}
else if (unload)
{
ev = new ContextUnloadEvent {
ContextId = ReadPointer(),
AppDomainId = ReadPointer(),
};
}
else
{
throw new LogException("Invalid context metadata event.");
}
break;
case LogMetadataType.VTable:
if (load)
{
ev = new VTableLoadEvent {
VTablePointer = ReadPointer(),
AppDomainId = ReadPointer(),
ClassPointer = ReadPointer(),
};
}
else
{
throw new LogException("Invalid VTable metadata event.");
}
break;
default:
throw new LogException($"Invalid metadata type ({metadataType}).");
}
break;
}
case LogEventType.Method:
switch (extType)
{
case LogEventType.MethodLeave:
ev = new LeaveEvent {
MethodPointer = ReadMethod(),
};
break;
case LogEventType.MethodEnter:
ev = new EnterEvent {
MethodPointer = ReadMethod(),
};
break;
case LogEventType.MethodLeaveExceptional:
ev = new ExceptionalLeaveEvent {
MethodPointer = ReadMethod(),
};
break;
case LogEventType.MethodJit:
ev = new JitEvent {
MethodPointer = ReadMethod(),
CodePointer = ReadPointer(),
CodeSize = (long)_reader.ReadULeb128(),
Name = _reader.ReadCString(),
};
break;
default:
throw new LogException($"Invalid extended event type ({extType}).");
}
break;
case LogEventType.Exception:
switch (extType)
{
case LogEventType.ExceptionThrowNoBacktrace:
case LogEventType.ExceptionThrowBacktrace:
ev = new ThrowEvent {
ObjectPointer = ReadObject(),
Backtrace = ReadBacktrace(extType == LogEventType.ExceptionThrowBacktrace),
};
break;
case LogEventType.ExceptionClause:
ev = new ExceptionClauseEvent {
Type = (LogExceptionClause)_reader.ReadByte(),
Index = (long)_reader.ReadULeb128(),
MethodPointer = ReadMethod(),
ObjectPointer = StreamHeader.FormatVersion >= 14 ? ReadObject() : 0,
};
break;
default:
throw new LogException($"Invalid extended event type ({extType}).");
}
break;
case LogEventType.Monitor:
if (StreamHeader.FormatVersion < 14)
{
if (extType.HasFlag(LogEventType.MonitorBacktrace))
{
extType = LogEventType.MonitorBacktrace;
}
else
{
extType = LogEventType.MonitorNoBacktrace;
}
}
switch (extType)
{
case LogEventType.MonitorNoBacktrace:
case LogEventType.MonitorBacktrace:
ev = new MonitorEvent {
Event = StreamHeader.FormatVersion >= 14 ?
(LogMonitorEvent)_reader.ReadByte() :
(LogMonitorEvent)((((byte)type & 0xf0) >> 4) & 0x3),
ObjectPointer = ReadObject(),
Backtrace = ReadBacktrace(extType == LogEventType.MonitorBacktrace),
};
break;
default:
throw new LogException($"Invalid extended event type ({extType}).");
}
break;
case LogEventType.Heap:
switch (extType)
{
case LogEventType.HeapBegin:
ev = new HeapBeginEvent();
break;
case LogEventType.HeapEnd:
ev = new HeapEndEvent();
break;
case LogEventType.HeapObject: {
HeapObjectEvent hoe = new HeapObjectEvent {
ObjectPointer = ReadObject(),
ClassPointer = StreamHeader.FormatVersion < 15 ? ReadPointer() : 0,
VTablePointer = StreamHeader.FormatVersion >= 15 ? ReadPointer() : 0,
ObjectSize = (long)_reader.ReadULeb128(),
Generation = StreamHeader.FormatVersion >= 16 ? _reader.ReadByte() : 0,
};
var list = new HeapObjectEvent.HeapObjectReference [(int)_reader.ReadULeb128()];
for (var i = 0; i < list.Length; i++)
{
list [i] = new HeapObjectEvent.HeapObjectReference {
Offset = (long)_reader.ReadULeb128(),
ObjectPointer = ReadObject(),
};
}
hoe.References = list;
ev = hoe;
break;
}
case LogEventType.HeapRoots: {
var hre = new HeapRootsEvent();
var list = new HeapRootsEvent.HeapRoot [(int)_reader.ReadULeb128()];
if (StreamHeader.FormatVersion < 15)
{
hre.MaxGenerationCollectionCount = (long)_reader.ReadULeb128();
}
for (var i = 0; i < list.Length; i++)
{
list [i] = new HeapRootsEvent.HeapRoot {
SlotPointer = StreamHeader.FormatVersion >= 15 ? ReadPointer() : 0,
ObjectPointer = ReadObject(),
Attributes = StreamHeader.FormatVersion < 15 ?
(StreamHeader.FormatVersion == 13 ?
(LogHeapRootAttributes)_reader.ReadByte() :
(LogHeapRootAttributes)_reader.ReadULeb128()) :
0,
ExtraInfo = StreamHeader.FormatVersion < 15 ? (long)_reader.ReadULeb128() : 0,
};
}
hre.Roots = list;
ev = hre;
break;
}
case LogEventType.HeapRootRegister:
ev = new HeapRootRegisterEvent {
RootPointer = ReadPointer(),
RootSize = (long)_reader.ReadULeb128(),
Source = (LogHeapRootSource)_reader.ReadByte(),
Key = ReadPointer(),
Name = _reader.ReadCString(),
};
break;
case LogEventType.HeapRootUnregister:
ev = new HeapRootUnregisterEvent {
RootPointer = ReadPointer(),
};
break;
default:
throw new LogException($"Invalid extended event type ({extType}).");
}
break;
case LogEventType.Sample:
switch (extType)
{
case LogEventType.SampleHit:
if (StreamHeader.FormatVersion < 14)
{
// Read SampleType (always set to .Cycles) for versions < 14
_reader.ReadByte();
}
ev = new SampleHitEvent {
ThreadId = ReadPointer(),
UnmanagedBacktrace = ReadBacktrace(true, false),
ManagedBacktrace = ReadBacktrace(true).Reverse().ToArray(),
};
break;
case LogEventType.SampleUnmanagedSymbol:
ev = new UnmanagedSymbolEvent {
CodePointer = ReadPointer(),
CodeSize = (long)_reader.ReadULeb128(),
Name = _reader.ReadCString(),
};
break;
case LogEventType.SampleUnmanagedBinary:
ev = new UnmanagedBinaryEvent {
SegmentPointer = StreamHeader.FormatVersion >= 14 ? ReadPointer() : _reader.ReadSLeb128(),
SegmentOffset = (long)_reader.ReadULeb128(),
SegmentSize = (long)_reader.ReadULeb128(),
FileName = _reader.ReadCString(),
};
break;
case LogEventType.SampleCounterDescriptions: {
var cde = new CounterDescriptionsEvent();
var list = new CounterDescriptionsEvent.CounterDescription [(int)_reader.ReadULeb128()];
for (var i = 0; i < list.Length; i++)
{
var section = (LogCounterSection)_reader.ReadULeb128();
list [i] = new CounterDescriptionsEvent.CounterDescription {
Section = section,
SectionName = section == LogCounterSection.User ? _reader.ReadCString() : null,
CounterName = _reader.ReadCString(),
Type = StreamHeader.FormatVersion < 15 ? (LogCounterType)_reader.ReadByte() : (LogCounterType)_reader.ReadULeb128(),
Unit = StreamHeader.FormatVersion < 15 ? (LogCounterUnit)_reader.ReadByte() : (LogCounterUnit)_reader.ReadULeb128(),
Variance = StreamHeader.FormatVersion < 15 ? (LogCounterVariance)_reader.ReadByte() : (LogCounterVariance)_reader.ReadULeb128(),
Index = (long)_reader.ReadULeb128(),
};
}
cde.Descriptions = list;
ev = cde;
break;
}
case LogEventType.SampleCounters: {
var cse = new CounterSamplesEvent();
var list = new List <CounterSamplesEvent.CounterSample> ();
while (true)
{
var index = (long)_reader.ReadULeb128();
if (index == 0)
{
break;
}
var counterType = StreamHeader.FormatVersion < 15 ? (LogCounterType)_reader.ReadByte() : (LogCounterType)_reader.ReadULeb128();
object value = null;
switch (counterType)
{
case LogCounterType.String:
value = _reader.ReadByte() == 1 ? _reader.ReadCString() : null;
break;
case LogCounterType.Int32:
case LogCounterType.Word:
case LogCounterType.Int64:
case LogCounterType.Interval:
value = _reader.ReadSLeb128();
break;
case LogCounterType.UInt32:
case LogCounterType.UInt64:
value = _reader.ReadULeb128();
break;
case LogCounterType.Double:
value = _reader.ReadDouble();
break;
default:
throw new LogException($"Invalid counter type ({counterType}).");
}
list.Add(new CounterSamplesEvent.CounterSample {
Index = index,
Type = counterType,
Value = value,
});
}
cse.Samples = list;
ev = cse;
break;
}
default:
throw new LogException($"Invalid extended event type ({extType}).");
}
break;
case LogEventType.Runtime:
switch (extType)
{
case LogEventType.RuntimeJitHelper: {
var helperType = (LogJitHelper)_reader.ReadByte();
if (StreamHeader.FormatVersion < 14)
{
helperType--;
}
ev = new JitHelperEvent {
Type = helperType,
BufferPointer = ReadPointer(),
BufferSize = (long)_reader.ReadULeb128(),
Name = helperType == LogJitHelper.SpecificTrampoline ? _reader.ReadCString() : null,
};
break;
}
default:
throw new LogException($"Invalid extended event type ({extType}).");
}
break;
case LogEventType.Meta:
switch (extType)
{
case LogEventType.MetaSynchronizationPoint:
ev = new SynchronizationPointEvent {
Type = (LogSynchronizationPoint)_reader.ReadByte(),
};
break;
case LogEventType.MetaAotId:
ev = new AotIdEvent {
AotId = Guid.Parse(_reader.ReadCString()),
};
break;
default:
throw new LogException($"Invalid extended event type ({extType}).");
}
break;
default:
throw new LogException($"Invalid basic event type ({basicType}).");
}
ev.Timestamp = _time;
ev.Buffer = _bufferHeader;
return(ev);
}