/// <summary>
/// Loads a memory snapshot from the specified 'filePath' and stores the result in 'snapshot'.
/// </summary>
/// <param name="filePath">Absolute file path</param>
public bool LoadFromFile(string filePath)
{
busyString = "Loading";
using (var fileStream = new System.IO.FileStream(filePath, System.IO.FileMode.Open))
{
using (var reader = new System.IO.BinaryReader(fileStream))
{
try
{
PackedMemorySnapshotHeader.Read(reader, out header, out busyString);
if (!header.isValid)
{
throw new Exception("Invalid header.");
}
PackedNativeType.Read(reader, out nativeTypes, out busyString);
PackedNativeUnityEngineObject.Read(reader, out nativeObjects, out busyString);
PackedGCHandle.Read(reader, out gcHandles, out busyString);
PackedConnection.Read(reader, out connections, out busyString);
PackedMemorySection.Read(reader, out managedHeapSections, out busyString);
PackedManagedType.Read(reader, out managedTypes, out busyString);
PackedVirtualMachineInformation.Read(reader, out virtualMachineInformation, out busyString);
}
catch (System.Exception e)
{
Debug.LogException(e);
return(false);
}
}
}
return(true);
}
public static void Write(System.IO.BinaryWriter writer, PackedVirtualMachineInformation value)
{
writer.Write(k_Version);
writer.Write(value.pointerSize);
writer.Write(value.objectHeaderSize);
writer.Write(value.arrayHeaderSize);
writer.Write(value.arrayBoundsOffsetInHeader);
writer.Write(value.arraySizeOffsetInHeader);
writer.Write(value.allocationGranularity);
writer.Write(value.heapFormatVersion);
}
/// <summary>
/// Converts an Unity PackedMemorySnapshot to our own format.
/// </summary>
public static PackedMemorySnapshot FromMemoryProfiler(MemorySnapshotProcessingArgs args)
{
var source = args.source;
var value = new PackedMemorySnapshot();
try
{
VerifyMemoryProfilerSnapshot(source);
value.busyString = "Loading Header";
value.header = PackedMemorySnapshotHeader.FromMemoryProfiler();
value.busyString = string.Format("Loading {0} Native Types", source.nativeTypes.Length);
value.nativeTypes = PackedNativeType.FromMemoryProfiler(source.nativeTypes);
value.busyString = string.Format("Loading {0} Native Objects", source.nativeObjects.Length);
value.nativeObjects = PackedNativeUnityEngineObject.FromMemoryProfiler(source.nativeObjects);
value.busyString = string.Format("Loading {0} GC Handles", source.gcHandles.Length);
value.gcHandles = PackedGCHandle.FromMemoryProfiler(source.gcHandles);
value.busyString = string.Format("Loading {0} Object Connections", source.connections.Length);
if (args.excludeNativeFromConnections)
{
value.connections = ConnectionsFromMemoryProfilerWithoutNativeHACK(value, source);
}
else
{
value.connections = PackedConnection.FromMemoryProfiler(source.connections);
}
value.busyString = string.Format("Loading {0} Managed Heap Sections", source.managedHeapSections.Length);
value.managedHeapSections = PackedMemorySection.FromMemoryProfiler(source.managedHeapSections);
value.busyString = string.Format("Loading {0} Managed Types", source.typeDescriptions.Length);
value.managedTypes = PackedManagedType.FromMemoryProfiler(source.typeDescriptions);
value.busyString = "Loading VM Information";
value.virtualMachineInformation = PackedVirtualMachineInformation.FromMemoryProfiler(source.virtualMachineInformation);
}
catch (System.Exception e)
{
Debug.LogException(e);
value = null;
throw;
}
return(value);
}
public static PackedVirtualMachineInformation FromMemoryProfiler(UnityEditor.MemoryProfiler.VirtualMachineInformation source)
{
var value = new PackedVirtualMachineInformation
{
pointerSize = source.pointerSize,
objectHeaderSize = source.objectHeaderSize,
arrayHeaderSize = source.arrayHeaderSize,
arrayBoundsOffsetInHeader = source.arrayBoundsOffsetInHeader,
arraySizeOffsetInHeader = source.arraySizeOffsetInHeader,
allocationGranularity = source.allocationGranularity,
heapFormatVersion = source.heapFormatVersion,
};
return(value);
}
/// <summary>
/// Saves the specfified memory snapshot as a file, using the specified 'filePath'.
/// </summary>
public void SaveToFile(string filePath)
{
using (var fileStream = new System.IO.FileStream(filePath, System.IO.FileMode.OpenOrCreate))
{
using (var writer = new System.IO.BinaryWriter(fileStream))
{
PackedMemorySnapshotHeader.Write(writer, header);
PackedNativeType.Write(writer, nativeTypes);
PackedNativeUnityEngineObject.Write(writer, nativeObjects);
PackedGCHandle.Write(writer, gcHandles);
PackedConnection.Write(writer, connections);
PackedMemorySection.Write(writer, managedHeapSections);
PackedManagedType.Write(writer, managedTypes);
PackedVirtualMachineInformation.Write(writer, virtualMachineInformation);
}
}
}
public static PackedVirtualMachineInformation FromMemoryProfiler(UnityEditor.Profiling.Memory.Experimental.PackedMemorySnapshot snapshot)
{
var source = snapshot.virtualMachineInformation;
var value = new PackedVirtualMachineInformation
{
pointerSize = source.pointerSize,
objectHeaderSize = source.objectHeaderSize,
arrayHeaderSize = source.arrayHeaderSize,
arrayBoundsOffsetInHeader = source.arrayBoundsOffsetInHeader,
arraySizeOffsetInHeader = source.arraySizeOffsetInHeader,
allocationGranularity = source.allocationGranularity,
heapFormatVersion = 2019,
};
return(value);
}
public static void Read(System.IO.BinaryReader reader, out PackedVirtualMachineInformation value, out string stateString)
{
value = new PackedVirtualMachineInformation();
stateString = "Loading VM Information";
var version = reader.ReadInt32();
if (version >= 1)
{
value.pointerSize = reader.ReadInt32();
value.objectHeaderSize = reader.ReadInt32();
value.arrayHeaderSize = reader.ReadInt32();
value.arrayBoundsOffsetInHeader = reader.ReadInt32();
value.arraySizeOffsetInHeader = reader.ReadInt32();
value.allocationGranularity = reader.ReadInt32();
value.heapFormatVersion = reader.ReadInt32();
}
}