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#include "UnityPrefix.h"
#include "ObjectMemoryProfiler.h"
#include "MemoryProfiler.h"
#include "SerializationUtility.h"
#include "Runtime/Misc/GarbageCollectSharedAssets.h"
#include "Runtime/Scripting/ScriptingUtility.h"
#include "Runtime/Misc/SystemInfo.h"
#include "Runtime/Mono/MonoBehaviour.h"
#include "ExtractLoadedObjectInfo.h"
#if ENABLE_MEM_PROFILER
#if UNITY_EDITOR
#include "Editor/Src/Prefabs/Prefab.h"
#endif
namespace ObjectMemoryProfiler
{
#if ENABLE_MEM_PROFILER && ENABLE_PLAYERCONNECTION
#define USE_MONO_LIVENESS (ENABLE_MONO && !UNITY_NACL)
#endif
typedef std::vector<Object*> ObjectList;
static const UInt32 OBJECT_MEMORY_STREAM_VERSION = 0x00000002;
static const UInt32 OBJECT_MEMORY_STREAM_TAIL = 0xAFAFAFAF;
#if UNITY_EDITOR
struct MonoObjectMemoryInfo
{
int instanceId;
UInt32 memorySize;
int count;
int reason;
ScriptingStringPtr name;
ScriptingStringPtr className;
};
#endif
static void Serialize(dynamic_array<int>& stream, const char* customAreaName, const char* objectName, size_t memorySize)
{
stream.push_back(0);
stream.push_back(memorySize);
stream.push_back(0);
stream.push_back(kNotApplicable);
WriteString(stream, objectName);
WriteString(stream, customAreaName);
}
static void Serialize(dynamic_array<int>& stream, const char* objectName, int count )
{
stream.push_back(0);
stream.push_back(0);
stream.push_back(count);
stream.push_back(kNotApplicable);
WriteString(stream, objectName);
WriteString(stream, "");
}
static void Serialize(dynamic_array<int>& stream, Object* object, int count )
{
const char* objectName = object->GetName();
const std::string& className = object->GetClassName();
stream.push_back(object->GetInstanceID());
stream.push_back(object->GetRuntimeMemorySize());
stream.push_back(count);
stream.push_back(GetLoadedObjectReason(object));
if(object->GetClassID() == ClassID (MonoBehaviour))
WriteString(stream, ((MonoBehaviour*)(object))->GetScriptFullClassName().c_str());
#if UNITY_EDITOR
else if(object->GetClassID() == ClassID (Prefab))
WriteString(stream, ((Prefab*)(object))->GetRootGameObject()->GetName());
#endif
else
WriteString(stream, objectName);
WriteString(stream, className.c_str());
}
static void SerializeHeader(dynamic_array<int>& stream)
{
stream.push_back(UNITY_LITTLE_ENDIAN);
int version = OBJECT_MEMORY_STREAM_VERSION;
#if ENABLE_STACKS_ON_ALL_ALLOCS
version += 0x10000000;
#endif
stream.push_back(version);
}
void TakeMemorySnapshot(dynamic_array<int>& stream)
{
dynamic_array<Object*> loadedObjects;
dynamic_array<const char*> additionalCategories;
dynamic_array<UInt32> indexCounts;
dynamic_array<UInt32> referencedObjectIndices;
CalculateAllObjectReferences (loadedObjects, additionalCategories, indexCounts, referencedObjectIndices);
// MemoryProfiler Roots
MemoryProfiler::RootAllocationInfos rootInfos (kMemProfiler);
GetMemoryProfiler ()->GetRootAllocationInfos(rootInfos);
// loaded objects contain all loaded game objects
// this is followed by additional strings that has references as well
// indexCounts contain the count for each of the previous object references
// the indices into the object array for the references
SerializeHeader(stream);
// serialize the referenceIndices
stream.push_back(referencedObjectIndices.size());
WriteIntArray(stream, (int*)&referencedObjectIndices[0],referencedObjectIndices.size());
// serialize loaded objects followed by additionalCats
int totalObjects = loadedObjects.size() + additionalCategories.size() + rootInfos.size() + 1
#if ENABLE_MONO
+ 2
#endif
;
stream.push_back(totalObjects);
for(int i = 0 ; i < loadedObjects.size() ; i++)
{
Serialize(stream, loadedObjects[i], indexCounts[i]);
}
for(int i=0;i<additionalCategories.size();i++)
{
Serialize(stream, additionalCategories[i], indexCounts[i+loadedObjects.size()]);
}
for(int i=0;i<rootInfos.size();i++)
Serialize(stream, rootInfos[i].areaName, rootInfos[i].objectName, rootInfos[i].memorySize);
Serialize(stream, "System.ExecutableAndDlls", "", systeminfo::GetExecutableSizeMB()*1024*1024);
#if ENABLE_MONO
Serialize(stream, "ManagedHeap.UsedSize", "", mono_gc_get_used_size ());
Serialize(stream, "ManagedHeap.ReservedUnusedSize", "", mono_gc_get_heap_size () - mono_gc_get_used_size ());
///@TOOD: Other mono metadata
#endif
stream.push_back(OBJECT_MEMORY_STREAM_TAIL);
}
#if UNITY_EDITOR
static void Deserialize(const void* data, size_t size, MonoArray ** objectArray, MonoArray ** referenceArray)
{
int* current_offset = (int*)data;
int wordsize = size/sizeof(int);
int* endBuffer = current_offset + wordsize;
int dataIsLittleEndian = *current_offset++;
bool swapdata = UNITY_LITTLE_ENDIAN ? dataIsLittleEndian == 0 : dataIsLittleEndian != 0;
if(swapdata)
{
int* ptr = current_offset;
while(ptr < endBuffer)
SwapEndianBytes(*(ptr++));
}
// header
int version = OBJECT_MEMORY_STREAM_VERSION;
#if ENABLE_STACKS_ON_ALL_ALLOCS
version += 0x10000000;
#endif
if(*current_offset!=version)
return;
current_offset++;
// deserialize the referenceIndices
int numberOfReferences = *current_offset++;
MonoArray* reference_array = mono_array_new(mono_domain_get(), MONO_COMMON.int_32, numberOfReferences);
ReadIntArray(¤t_offset, &Scripting::GetScriptingArrayElement<int> (reference_array, 0), numberOfReferences);
// objectCount
int numberOfObjects = *current_offset++;
MonoClass* klass = GetMonoManager().GetMonoClass ("ObjectMemoryInfo", "UnityEditorInternal");
MonoArray* object_array = mono_array_new(mono_domain_get(), klass, numberOfObjects);
for (int i = 0; i < numberOfObjects;i++)
{
MonoObject* obj = mono_object_new (mono_domain_get(), klass);
GetMonoArrayElement<MonoObject*> (object_array,i) = obj;
}
for (int i = 0; i < numberOfObjects;i++)
{
MonoObjectMemoryInfo& memInfo = ExtractMonoObjectData<MonoObjectMemoryInfo> (GetMonoArrayElement<MonoObject*> (object_array,i));
memInfo.instanceId = *current_offset++;
memInfo.memorySize = *current_offset++;
memInfo.count = *current_offset++;
memInfo.reason = *current_offset++;
std::string name;
std::string className;
ReadString(¤t_offset, name, swapdata);
ReadString(¤t_offset, className, swapdata);
memInfo.name = MonoStringNew(name);
memInfo.className = MonoStringNew(className);
}
Assert(*current_offset==OBJECT_MEMORY_STREAM_TAIL);
*objectArray = object_array;
*referenceArray = reference_array;
}
void DeserializeAndApply (const void* data, size_t size)
{
MonoArray* objectArray;
MonoArray* indexArray;
Deserialize (data, size, &objectArray, &indexArray);
ScriptingInvocation invocation ("UnityEditor", "ProfilerWindow", "SetMemoryProfilerInfo");
invocation.AddArray(objectArray);
invocation.AddArray(indexArray);
invocation.Invoke();
}
void SetDataFromEditor ()
{
dynamic_array<int> data;
TakeMemorySnapshot(data);
DeserializeAndApply(data.begin(), data.size()*sizeof(int));
#if RECORD_ALLOCATION_SITES
MemoryProfiler::MemoryStackEntry* stack = GetMemoryProfiler()->GetStackOverview();
MonoObject* obj = stack->Deserialize ();
void* arguments[] = { obj };
CallStaticMonoMethod("MemoryProfiler", "SetMemoryProfilerStackInfo", arguments);
GetMemoryProfiler()->ClearStackOverview(stack);
ProfilerString unrooted = GetMemoryProfiler()->GetUnrootedAllocationsOverview();
#endif
}
#endif
}
#endif
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