public static Header Read(LogFileReader reader)
{
if (!reader.LoadData (32))
return null;
return new Header (reader);
}
public void Read(IProgressListener progress)
{
Stopwatch watch = new Stopwatch();
watch.Start();
try {
if (!File.Exists(name))
{
return;
}
DateTime tim = File.GetLastWriteTime(name);
if (tim == timestamp)
{
return;
}
timestamp = tim;
if (reader == null)
{
reader = new LogFileReader(name);
}
ReadLogFile(progress);
} catch (Exception ex) {
Console.WriteLine(ex);
} finally {
watch.Stop();
Console.WriteLine("ObjectMapFileReader.Read (): Completed in {0} s", watch.ElapsedMilliseconds / (double)1000);
}
}
LogBuffer(LogFileReader reader)
{
this.Header = Header.Read (reader);
while (reader.Position < reader.Length) {
buffers.Add (Buffer.Read (reader));
}
}
Buffer(LogFileReader reader)
{
Header = BufferHeader.Read (reader);
var endPos = reader.Position + Header.Length;
while (reader.Position < endPos) {
Events.Add (Event.Read (reader));
}
}
public readonly ulong Size; // size of the object in the heap
#endregion Fields
#region Constructors
AllocEvent(LogFileReader reader, byte extendedInfo)
{
TimeDiff = reader.ReadULeb128 ();
Ptr = reader.ReadSLeb128 ();
Obj = reader.ReadSLeb128 ();
Size = reader.ReadULeb128 ();
if ((extendedInfo & TYPE_ALLOC_BT) != 0)
Backtrace = new Backtrace (reader);
}
Header(LogFileReader reader)
{
Id = reader.ReadInt32 ();
if (Id != LogHeaderId)
throw new InvalidOperationException ("Id doesn't match.");
Major = reader.ReadByte ();
Minor = reader.ReadByte ();
Format = reader.ReadByte ();
PtrSize = reader.ReadByte ();
StartupTime = reader.ReadInt64 ();
TimerOverhead = reader.ReadInt32 ();
Flags = reader.ReadInt32 ();
Pid = reader.ReadInt32 ();
Port = reader.ReadUInt16 ();
SysId = reader.ReadUInt16 ();
}
public static Event Read(LogFileReader reader, byte exinfo)
{
return new MonitiorEvent (reader, exinfo);
}
public readonly long Object; // the lock object as a difference from obj_base
#endregion Fields
#region Constructors
MonitiorEvent(LogFileReader reader, byte exinfo)
{
TimeDiff = reader.ReadULeb128 ();
Object = reader.ReadSLeb128 ();
byte ev = (byte)((exinfo >> 4) & 0x3);
if (ev == MONO_PROFILER_MONITOR_CONTENTION && (exinfo & TYPE_MONITOR_BT) == TYPE_MONITOR_BT) {
Backtrace = new Backtrace (reader);
}
}
MethodEvent(LogFileReader reader, byte exinfo)
{
TimeDiff = reader.ReadULeb128 ();
Method = reader.ReadSLeb128 ();
Type = (MethodType)exinfo;
if (Type == MethodType.Jit) {
CodeAddress = reader.ReadSLeb128 ();
CodeSize = reader.ReadULeb128 ();
Name = reader.ReadNullTerminatedString ();
}
}
public static Event Read(LogFileReader reader)
{
byte info = reader.ReadByte ();
EventType type = (EventType)(info & 0xF);
byte extendedInfo = (byte)(info & 0xF0);
return CreateEvent (reader, type, extendedInfo);
}
public CounterValue(LogFileReader reader, ulong index)
{
Index = index;
Type = (uint)reader.ReadULeb128 ();
switch ((CounterValueType)Type) {
case CounterValueType.MONO_COUNTER_STRING:
if (reader.ReadULeb128 () == 1)
reader.ReadNullTerminatedString ();
break;
case CounterValueType.MONO_COUNTER_WORD:
case CounterValueType.MONO_COUNTER_INT:
case CounterValueType.MONO_COUNTER_LONG:
reader.ReadSLeb128 ();
break;
case CounterValueType.MONO_COUNTER_UINT:
case CounterValueType.MONO_COUNTER_ULONG:
reader.ReadULeb128 ();
break;
case CounterValueType.MONO_COUNTER_DOUBLE:
reader.ReadUInt64 ();
break;
default:
throw new ArgumentException (String.Format("Unknown Counter Value type {0} [0x{0:x8}], for counter at index {3}, near byte {1} [0x{1:x8}] of {2}.", Type, reader.Position, reader.Length, Index));
}
}
public static Event Read(LogFileReader reader, byte extendedInfo)
{
if (extendedInfo == TYPE_JITHELPER)
return new RuntimeJitHelperEvent (reader);
throw new ArgumentException ("Unknown `RuntimeEventType`: " + extendedInfo);
}
public static new Event Read(LogFileReader reader)
{
return new ResizeGcEvent (reader);
}
HeapEvent(LogFileReader reader, byte exinfo)
{
if (exinfo == TYPE_HEAP_START) {
Type = EventType.Start;
TimeDiff = reader.ReadULeb128 ();
} else if (exinfo == TYPE_HEAP_END) {
Type = EventType.End;
TimeDiff = reader.ReadULeb128 ();
} else if (exinfo == TYPE_HEAP_ROOT) {
Type = EventType.Root;
ulong nroots = reader.ReadULeb128 ();
reader.ReadULeb128 (); // gcs
RootRefs = new long [nroots];
RootRefTypes = new RootType [nroots];
RootRefExtraInfos = new ulong [nroots];
for (ulong n=0; n<nroots; n++) {
RootRefs [n] = reader.ReadSLeb128 ();
RootRefTypes [n] = (RootType) reader.ReadULeb128 ();
RootRefExtraInfos [n] = reader.ReadULeb128 ();
}
} else if (exinfo == TYPE_HEAP_OBJECT) {
Type = EventType.Object;
Object = reader.ReadSLeb128 ();
Class = reader.ReadSLeb128 ();
Size = reader.ReadULeb128 ();
ulong num = reader.ReadULeb128 ();
ObjectRefs = new long[num];
RelOffset = new ulong[num];
for (ulong i = 0; i < num; i++) {
RelOffset [i] = reader.ReadULeb128 ();
ObjectRefs [i] = reader.ReadSLeb128 ();
}
}
}
public static new Event Read(LogFileReader reader)
{
return new HandleDestroyedGcEvent (reader);
}
public readonly ulong HandleType; // GC handle type (System.Runtime.InteropServices.GCHandleType)
#endregion Fields
#region Constructors
HandleDestroyedGcEvent(LogFileReader reader)
{
TimeDiff = reader.ReadULeb128 ();
HandleType = reader.ReadULeb128 ();
Handle = reader.ReadULeb128 ();
}
public readonly long ObjAddr; // object pointer differences from obj_base
#endregion Fields
#region Constructors
HandleCreatedGcEvent(LogFileReader reader)
{
TimeDiff = reader.ReadULeb128 ();
HandleType = reader.ReadULeb128 ();
Handle = reader.ReadULeb128 ();
ObjAddr = reader.ReadSLeb128 ();
}
public readonly ulong Generation; // GC generation event refers to
#endregion Fields
#region Constructors
GcEvent(LogFileReader reader)
{
TimeDiff = reader.ReadULeb128 ();
EventType = (GcEventType) reader.ReadULeb128 ();
Generation = reader.ReadULeb128 ();
}
public static Event Read(LogFileReader reader, byte exinfo)
{
return new ExceptionEvent (reader, exinfo);
}
public readonly long Object; // the object that was thrown as a difference from obj_base If the TYPE_EXCEPTION_BT flag is set, a backtrace follows.
#endregion Fields
#region Constructors
ExceptionEvent(LogFileReader reader, byte exinfo)
{
TimeDiff = reader.ReadULeb128 ();
byte subtype = (byte)(exinfo & 0x70);
if (subtype == TYPE_CLAUSE) {
ClauseType = reader.ReadULeb128 ();
ClauseNum = reader.ReadULeb128 ();
Method = reader.ReadSLeb128 ();
} else if (subtype == TYPE_THROW) {
Object = reader.ReadSLeb128 ();
if ((exinfo & TYPE_EXCEPTION_BT) == TYPE_EXCEPTION_BT)
Backtrace = new Backtrace (reader);
}
}
public readonly long[] ObjAddr; // num_objects object pointer differences from obj_base
#endregion Fields
#region Constructors
MoveGcEvent(LogFileReader reader)
{
TimeDiff = reader.ReadULeb128 ();
ulong num = reader.ReadULeb128 ();
ObjAddr = new long[num];
for (ulong i = 0; i < num; i++) {
ObjAddr [i] = reader.ReadSLeb128 ();
}
}
public readonly ulong HeapSize; // new heap size
#endregion Fields
#region Constructors
ResizeGcEvent(LogFileReader reader)
{
TimeDiff = reader.ReadULeb128 ();
HeapSize = reader.ReadULeb128 ();
}
public static Event Read(LogFileReader reader, byte exinfo)
{
return new HeapEvent (reader, exinfo);
}
public RuntimeEvent(LogFileReader reader)
{
Time = reader.ReadULeb128 ();
}
public CountersEvent(LogFileReader reader)
{
Timestamp = reader.ReadULeb128 ();
var index = reader.ReadULeb128 ();
while (index != 0) {
new CounterValue (reader, index);
index = reader.ReadULeb128 ();
}
}
public RuntimeJitHelperEvent(LogFileReader reader)
: base(reader)
{
Type = reader.ReadULeb128 ();
BufferAddress = reader.ReadSLeb128 ();
BufferSize = reader.ReadULeb128 ();
if (Type == (ulong)MonoProfilerCodeBufferType.MONO_PROFILER_CODE_BUFFER_SPECIFIC_TRAMPOLINE) {
Name = reader.ReadNullTerminatedString ();
}
}
public static new Event Read(LogFileReader reader)
{
return new MetadataEvent (reader);
}
public static LogBuffer Read(string fileName)
{
using (var reader = new LogFileReader (fileName)) {
return new LogBuffer (reader);
}
}
public static Event CreateEvent(LogFileReader reader, EventType type, byte extendedInfo)
{
switch (type) {
case EventType.Alloc:
return AllocEvent.Read (reader, extendedInfo);
case EventType.Exception:
return ExceptionEvent.Read (reader, extendedInfo);
case EventType.Gc:
switch (extendedInfo) {
case TYPE_GC_EVENT:
return GcEvent.Read (reader);
case TYPE_GC_RESIZE:
return ResizeGcEvent.Read (reader);
case TYPE_GC_MOVE:
return MoveGcEvent.Read (reader);
case TYPE_GC_HANDLE_CREATED:
return HandleCreatedGcEvent.Read (reader);
case TYPE_GC_HANDLE_DESTROYED:
return HandleDestroyedGcEvent.Read (reader);
}
throw new InvalidOperationException ("unknown gc type:" + extendedInfo);
case EventType.Heap:
return HeapEvent.Read (reader, extendedInfo);
case EventType.Metadata:
return MetadataEvent.Read (reader);
case EventType.Method:
return MethodEvent.Read (reader, extendedInfo);
case EventType.Monitor:
return MonitiorEvent.Read (reader, extendedInfo);
case EventType.Sample:
return SampleEvent.Read (reader, extendedInfo);
case EventType.Runtime:
return RuntimeEvent.Read (reader, extendedInfo);
}
throw new InvalidOperationException ("invalid event type " + type);
}
public HitSampleEvent(LogFileReader reader)
{
SampleType = (SampleType) reader.ReadULeb128 ();
Timestamp = reader.ReadULeb128 ();
ulong count = reader.ReadULeb128 ();
InstructionPointers = new long [count];
for (uint n=0; n<count; n++)
InstructionPointers [n] = reader.ReadSLeb128 ();
}
public readonly long Pointer; // pointer of the metadata type depending on mtype
#endregion Fields
#region Constructors
MetadataEvent(LogFileReader reader)
{
TimeDiff = reader.ReadULeb128 ();
MType = (MetaDataType)reader.ReadByte ();
Pointer = reader.ReadSLeb128 ();
switch (MType) {
case MetaDataType.Class:
Image = reader.ReadSLeb128 ();
Flags = reader.ReadULeb128 ();
Name = reader.ReadNullTerminatedString ();
break;
case MetaDataType.Image:
Flags = reader.ReadULeb128 ();
Name = reader.ReadNullTerminatedString ();
break;
case MetaDataType.Thread:
Flags = reader.ReadULeb128 ();
Name = reader.ReadNullTerminatedString ();
break;
}
}
