private ArrayList BuildLevels(Graph g)
{
ArrayList al = new ArrayList();
for (int level = 0; level <= g.BottomVertex.level; level++)
{
al.Add(new ArrayList());
}
foreach (Vertex v in g.vertices.Values)
{
if (v.level <= g.BottomVertex.level)
{
ArrayList all = (ArrayList)al[v.level];
all.Add(v);
}
else
{
Debug.Assert(v.level == int.MaxValue);
}
}
foreach (ArrayList all in al)
{
all.Sort();
}
return al;
}
internal void BuildAllocationTrace(Graph graph, int stackTraceIndex, int typeIndex, ulong size, Vertex[] typeVertex, Vertex[] funcVertex, ref Vertex[] vertexStack, FilterForm filterForm)
{
int stackPtr = BuildVertexStack(stackTraceIndex, funcVertex, ref vertexStack, 2);
Vertex toVertex = graph.TopVertex;
Vertex fromVertex;
Edge edge;
if ((typeVertex[typeIndex].interestLevel & InterestLevel.Interesting) == InterestLevel.Interesting
&& ReadNewLog.InterestingCallStack(vertexStack, stackPtr, filterForm))
{
vertexStack[stackPtr] = typeVertex[typeIndex];
stackPtr++;
stackPtr = ReadNewLog.FilterVertices(vertexStack, stackPtr);
stackPtr = Vertex.SqueezeOutRepetitions(vertexStack, stackPtr);
for (int i = 0; i < stackPtr; i++)
{
fromVertex = toVertex;
toVertex = vertexStack[i];
edge = graph.FindOrCreateEdge(fromVertex, toVertex);
edge.AddWeight(size);
}
fromVertex = toVertex;
toVertex = graph.BottomVertex;
edge = graph.FindOrCreateEdge(fromVertex, toVertex);
edge.AddWeight(size);
}
}
internal void ViewGraph(ReadLogResult logResult, string exeName, Graph.GraphType graphType)
{
string fileName = log.fileName;
if (exeName != null)
fileName = exeName;
Graph graph = null;
string title = "";
switch (graphType)
{
case Graph.GraphType.CallGraph:
graph = logResult.callstackHistogram.BuildCallGraph(new FilterForm());
graph.graphType = Graph.GraphType.CallGraph;
title = "Call Graph for: ";
break;
case Graph.GraphType.AssemblyGraph:
graph = logResult.callstackHistogram.BuildAssemblyGraph(new FilterForm());
graph.graphType = Graph.GraphType.AssemblyGraph;
title = "Assembly Graph for: ";
break;
case Graph.GraphType.AllocationGraph:
graph = logResult.allocatedHistogram.BuildAllocationGraph(new FilterForm());
graph.graphType = Graph.GraphType.AllocationGraph;
title = "Allocation Graph for: ";
break;
case Graph.GraphType.HeapGraph:
graph = logResult.objectGraph.BuildTypeGraph(new FilterForm());
title = "Heap Graph for: ";
break;
case Graph.GraphType.FunctionGraph:
graph = logResult.functionList.BuildFunctionGraph(new FilterForm());
graph.graphType = Graph.GraphType.FunctionGraph;
title = "Function Graph for: ";
break;
case Graph.GraphType.ModuleGraph:
graph = logResult.functionList.BuildModuleGraph(new FilterForm());
graph.graphType = Graph.GraphType.ModuleGraph;
title = "Module Graph for: ";
break;
case Graph.GraphType.ClassGraph:
graph = logResult.functionList.BuildClassGraph(new FilterForm());
graph.graphType = Graph.GraphType.ClassGraph;
title = "Class Graph for: ";
break;
default:
Debug.Assert(false);
break;
}
title += fileName;
GraphViewForm graphViewForm = new GraphViewForm(graph, title);
graphViewForm.Visible = true;
}
internal Vertex(string name, string signature, string module, Graph containingGraph)
{
this.signature = signature;
this.incomingEdges = new Dictionary<Vertex, Edge>();
this.outgoingEdges = new Dictionary<Vertex, Edge>();
this.level = Int32.MaxValue;
this.weight = 0;
this.containingGraph = containingGraph;
this.moduleName = module;
nameSpace = nameSpaceOf(name, out basicName);
this.name = name;
basicSignature = signature;
if (nameSpace.Length > 0 && signature != null)
{
int index;
while ((index = basicSignature.IndexOf(nameSpace)) >= 0)
{
basicSignature = basicSignature.Remove(index, nameSpace.Length);
}
}
}
internal Graph BuildAssemblyGraph(FilterForm filterForm)
{
Vertex[] assemblyVertex = new Vertex[1];
Vertex[] funcVertex = new Vertex[1];
Vertex[] typeVertex = new Vertex[1];
Vertex[] vertexStack = new Vertex[1];
Graph graph = new Graph(this);
graph.graphType = Graph.GraphType.AssemblyGraph;
int count = BuildAssemblyVertices(graph, ref assemblyVertex, filterForm);
BuildTypeVertices(graph, ref typeVertex, filterForm);
BuildFuncVertices(graph, ref funcVertex, filterForm);
for(int i = 0; i < count; i++)
{
Vertex v = (Vertex)assemblyVertex[i], tv = null;
string c = v.name;
int stackid = readNewLog.assemblies[c];
if(stackid < 0)
{
int[] stacktrace = readNewLog.stacktraceTable.IndexToStacktrace(-stackid);
tv = typeVertex[stacktrace[0]];
}
BuildAssemblyTrace(graph, stackid, v, tv, funcVertex, ref vertexStack);
}
foreach (Vertex v in graph.vertices.Values)
{
v.active = true;
}
graph.BottomVertex.active = false;
return graph;
}
internal int BuildAssemblyVertices(Graph graph, ref Vertex[] typeVertex, FilterForm filterForm)
{
int count = 0;
foreach(string c in readNewLog.assemblies.Keys)
{
readNewLog.AddTypeVertex(count++, c, graph, ref typeVertex, filterForm);
}
return count;
}
internal void AddTypeVertex(int typeId, string typeName, Graph graph, ref Vertex[] typeVertex, FilterForm filterForm)
{
EnsureVertexCapacity(typeId, ref typeVertex);
typeVertex[typeId] = graph.FindOrCreateVertex(typeName, null, null);
typeVertex[typeId].interestLevel = filterForm.InterestLevelOfTypeName(typeName, null, finalizableTypes.ContainsKey(typeId));
}
internal Graph BuildClassGraph(FilterForm filterForm)
{
Vertex[] funcVertex = new Vertex[1];
Vertex[] vertexStack = new Vertex[1];
Graph graph = new Graph(this);
graph.graphType = Graph.GraphType.ClassGraph;
BuildFuncVertices(graph, ref funcVertex, filterForm);
foreach (FunctionDescriptor fd in functionList)
{
BuildClassTrace(graph, fd.funcCallStack, fd.functionId, fd.funcSize, funcVertex, ref vertexStack, filterForm);
}
foreach (Vertex v in graph.vertices.Values)
v.active = true;
graph.BottomVertex.active = false;
return graph;
}
void BuildModuleTrace(Graph graph, int stackTraceIndex, int modIndex, ulong size, Vertex[] funcVertex, Vertex[] modVertex, ref Vertex[] vertexStack, FilterForm filterForm)
{
int functionsToSkip = FunctionsInSameModule(modIndex, stackTraceIndex);
int stackPtr = BuildVertexStack(stackTraceIndex, funcVertex, ref vertexStack, 0) - functionsToSkip;
Vertex toVertex = graph.TopVertex;
Vertex fromVertex;
Edge edge;
if (ReadNewLog.InterestingCallStack(vertexStack, stackPtr, filterForm))
{
vertexStack[stackPtr] = modVertex[modIndex];
stackPtr++;
stackPtr = ReadNewLog.FilterVertices(vertexStack, stackPtr);
stackPtr = Vertex.SqueezeOutRepetitions(vertexStack, stackPtr);
for (int i = 0; i < stackPtr; i++)
{
fromVertex = toVertex;
toVertex = vertexStack[i];
edge = graph.FindOrCreateEdge(fromVertex, toVertex);
edge.AddWeight(size);
}
fromVertex = toVertex;
toVertex = graph.BottomVertex;
edge = graph.FindOrCreateEdge(fromVertex, toVertex);
edge.AddWeight(size);
}
}
void BuildModVertices(Graph graph, ref Vertex[] modVertex, FilterForm filterForm)
{
for (int i = 0; i < readNewLog.modBasicName.Length; i++)
{
string basicName = readNewLog.modBasicName[i];
string fullName = readNewLog.modFullName[i];
if (basicName != null && fullName != null)
{
readNewLog.AddFunctionVertex(i, basicName, fullName, graph, ref modVertex, filterForm);
modVertex[i].basicName = basicName;
modVertex[i].basicSignature = fullName;
}
}
}
private void readLogFile(ReadNewLog log, ReadLogResult logResult, string exeName, Graph.GraphType graphType)
{
log.ReadFile(logFileStartOffset, logFileEndOffset, logResult);
ViewGraph(logResult, exeName, graphType);
}
internal Graph BuildReferenceGraph(Graph orgGraph)
{
var graph = new Graph(this, Graph.GraphType.ReferenceGraph);
Vertex[] pathFromRoot = new Vertex[32];
GcObject rootObject = CreateRootObject();
FindVertex(0, rootObject, graph, BuildTypeGraphOptions.LumpBySignature);
rootObject.InterestLevel = InterestLevel.Interesting;
foreach (GcObject gcObject in idToObject.Values)
{
gcObject.parent = null;
}
// We wish to find all references to certain selected objects,
// or, to be precise, all references that keep these objects alive.
// To do this, we use a breadth first traversal of the object graph, using
// a queue of objects still to process. If we find a reference to one of the
// selected objects, we don't actually include this object, but instead
// just make note of the reference
// Initialize
rootObject.parent = null;
var foundBeforeMarker = new GcObject();
var queue = new Queue <GcObject>();
queue.Enqueue(rootObject);
// Loop
while (queue.Count != 0)
{
GcObject head = queue.Dequeue();
foreach (GcObject refObject in head.References)
{
if (refObject.parent == null || refObject.parent == foundBeforeMarker)
{
// this is a reference to either one of the "selected" objects
// or just to a new object
if (refObject.vertex != null && refObject.vertex.selected &&
(refObject.InterestLevel & (InterestLevel.Interesting | InterestLevel.Display)) != InterestLevel.Ignore &&
refObject.AllocTickIndex > orgGraph.allocatedAfterTickIndex &&
refObject.AllocTickIndex < orgGraph.allocatedBeforeTickIndex)
{
// add <root> -> ... -> head -> refObject to the reference graph
int levels = 0;
for (GcObject pathObject = head; pathObject != null; pathObject = pathObject.parent)
{
levels++;
}
while (pathFromRoot.Length < levels + 2)
{
pathFromRoot = new Vertex[pathFromRoot.Length * 2];
}
pathFromRoot[levels + 1] = graph.FindOrCreateVertex(refObject.vertex.name, refObject.vertex.signature, refObject.vertex.moduleName);
int level = levels;
for (GcObject pathObject = head; pathObject != null; pathObject = pathObject.parent)
{
if ((pathObject.InterestLevel & (InterestLevel.Interesting | InterestLevel.Display)) == InterestLevel.Ignore ||
pathObject.vertex == null)
{
pathFromRoot[level] = null;
}
else
{
pathFromRoot[level] = graph.FindOrCreateVertex(pathObject.vertex.name, pathObject.vertex.signature, pathObject.vertex.moduleName);
}
level--;
}
int nonZeroLevels = 0;
for (int j = 0; j <= levels + 1; j++)
{
if (pathFromRoot[j] != null)
{
pathFromRoot[nonZeroLevels++] = pathFromRoot[j];
}
}
levels = Vertex.SqueezeOutRepetitions(pathFromRoot, nonZeroLevels);
for (int j = 0; j < levels - 1; j++)
{
Vertex fromVertex = pathFromRoot[j];
Vertex toVertex = pathFromRoot[j + 1];
Edge edge = graph.FindOrCreateEdge(fromVertex, toVertex);
edge.AddWeight(1);
}
Vertex thisVertex = pathFromRoot[levels - 1];
thisVertex.basicWeight += 1;
if (refObject.parent == null)
{
thisVertex.count += 1;
refObject.parent = foundBeforeMarker;
}
}
else
{
refObject.parent = head;
queue.Enqueue(refObject);
}
}
}
}
foreach (Vertex v in graph.vertices.Values)
{
if (v.weight < v.outgoingWeight)
{
v.weight = v.outgoingWeight;
}
if (v.weight < v.incomingWeight)
{
v.weight = v.incomingWeight;
}
if (v.weightHistory == null)
{
v.weightHistory = new ulong[1];
}
}
foreach (Vertex v in graph.vertices.Values)
{
v.active = true;
}
graph.BottomVertex.active = false;
return(graph);
}
internal Graph BuildTypeGraph(int allocatedAfterTickIndex, int allocatedBeforeTickIndex, BuildTypeGraphOptions options, FilterForm filterForm)
{
Graph graph;
if (filterForm.filterVersion != 0 ||
options != BuildTypeGraphOptions.LumpBySignature ||
allocatedAfterTickIndex > 0 ||
allocatedBeforeTickIndex < int.MaxValue)
{
graph = new Graph(this, Graph.GraphType.HeapGraph);
graph.previousGraphTickIndex = allocatedAfterTickIndex;
}
else
{
Graph previousGraph = cachedGraph;
if (previousGraph != null && previousGraph.graphSource == this)
{
return(previousGraph);
}
cachedGraph = graph = new Graph(this, Graph.GraphType.HeapGraph);
if (previousGraph != null)
{
graph.previousGraphTickIndex = ((ObjectGraph)previousGraph.graphSource).tickIndex;
foreach (Vertex v in previousGraph.vertices.Values)
{
Vertex newV = graph.FindOrCreateVertex(v.name, v.signature, v.moduleName);
if (v.weightHistory == null)
{
newV.weightHistory = new ulong[1];
}
else
{
ulong[] weightHistory = v.weightHistory;
newV.weightHistory = new ulong[Math.Min(weightHistory.Length + 1, historyDepth)];
for (int i = v.weightHistory.Length - 1; i > 0; i--)
{
newV.weightHistory[i] = weightHistory[i - 1];
}
}
newV.weightHistory[0] = v.weight;
}
}
}
graph.typeGraphOptions = options;
graph.filterVersion = filterForm.filterVersion;
if (graph.previousGraphTickIndex < graph.allocatedAfterTickIndex)
{
graph.previousGraphTickIndex = graph.allocatedAfterTickIndex;
}
graph.allocatedAfterTickIndex = allocatedAfterTickIndex;
graph.allocatedBeforeTickIndex = allocatedBeforeTickIndex;
GcObject rootObject = CreateRootObject();
for (int i = 0; i < rootCount; i++)
{
roots[i].InterestLevel = InterestLevel.Ignore;
}
foreach (GcObject gcObject in idToObject.Values)
{
gcObject.parent = null;
gcObject.vertex = null;
gcObject.InterestLevel = InterestLevel.Ignore;
}
AssignParents(rootObject);
int index = 0;
foreach (GcType gcType in typeIdToGcType.Values)
{
gcType.index = index++;
}
GcType[] gcTypes = new GcType[index];
typeHintTable = new int[index];
foreach (GcType gcType in typeIdToGcType.Values)
{
gcTypes[gcType.index] = gcType;
}
AssignInterestLevelsToTypes(options, filterForm);
for (int i = 0; i < rootCount; i++)
{
AssignInterestLevelToObject(rootIDs[i], roots[i], options, filterForm, true);
}
foreach (KeyValuePair <ulong, GcObject> keyValuePair in idToObject)
{
GcObject gcObject = keyValuePair.Value;
if (gcObject.AllocTickIndex > allocatedAfterTickIndex && gcObject.AllocTickIndex < allocatedBeforeTickIndex)
{
AssignInterestLevelToObject(keyValuePair.Key, gcObject, options, filterForm, false);
}
else
{
gcObject.InterestLevel = InterestLevel.Ignore;
}
}
foreach (GcObject gcObject in idToObject.Values)
{
if (gcObject.InterestLevel == InterestLevel.Ignore)
{
CheckForParentMarkingDescendant(gcObject);
}
}
FindVertex(0, rootObject, graph, options);
for (int i = 0; i < rootCount; i++)
{
roots[i].vertex = null;
FindVertex(rootIDs[i], roots[i], graph, options);
}
foreach (KeyValuePair <ulong, GcObject> keyValuePair in idToObject)
{
ulong id = keyValuePair.Key;
GcObject gcObject = keyValuePair.Value;
if (gcObject.parent == null ||
(gcObject.InterestLevel & (InterestLevel.Interesting | InterestLevel.Display)) == InterestLevel.Ignore)
{
continue;
}
FindVertex(id, gcObject, graph, options);
}
Vertex[] pathFromRoot = new Vertex[32];
foreach (GcObject gcObject in idToObject.Values)
{
if (gcObject.parent == null ||
(gcObject.InterestLevel & (InterestLevel.Interesting | InterestLevel.Display)) == InterestLevel.Ignore ||
gcObject.AllocTickIndex <= allocatedAfterTickIndex ||
gcObject.AllocTickIndex >= allocatedBeforeTickIndex)
{
continue;
}
int levels = 0;
for (GcObject pathObject = gcObject; pathObject != null; pathObject = pathObject.parent)
{
if (pathObject.vertex != null)
{
levels++;
}
}
while (pathFromRoot.Length < levels + 1)
{
pathFromRoot = new Vertex[pathFromRoot.Length * 2];
}
int level = levels;
for (GcObject pathObject = gcObject; pathObject != null; pathObject = pathObject.parent)
{
if (pathObject.vertex != null)
{
level--;
pathFromRoot[level] = pathObject.vertex;
}
}
levels = Vertex.SqueezeOutRepetitions(pathFromRoot, levels);
for (int j = 0; j < levels - 1; j++)
{
Vertex fromVertex = pathFromRoot[j];
Vertex toVertex = pathFromRoot[j + 1];
Edge edge = graph.FindOrCreateEdge(fromVertex, toVertex);
edge.AddWeight(gcObject.Size(this));
}
Vertex thisVertex = pathFromRoot[levels - 1];
thisVertex.basicWeight += gcObject.Size(this);
thisVertex.count += 1;
}
foreach (Vertex v in graph.vertices.Values)
{
if (v.weight < v.outgoingWeight)
{
v.weight = v.outgoingWeight;
}
if (v.weight < v.incomingWeight)
{
v.weight = v.incomingWeight;
}
if (v.weightHistory == null)
{
v.weightHistory = new ulong[1];
}
}
foreach (Vertex v in graph.vertices.Values)
{
v.active = true;
}
graph.BottomVertex.active = false;
return(graph);
}
internal void GetAllocationGraph(ReadLogResult readLogResult)
{
graph = readLogResult.allocatedHistogram.BuildAllocationGraph(new FilterForm());
PlaceVertices();
}
internal Graph BuildTypeGraph(int allocatedAfterTickIndex, int allocatedBeforeTickIndex, BuildTypeGraphOptions options)
{
if (graph == null || FilterForm.filterVersion != graphFilterVersion || allocatedAfterTickIndex >= 0 || allocatedBeforeTickIndex < int.MaxValue)
{
graph = new Graph(this);
graph.graphType = Graph.GraphType.HeapGraph;
graphFilterVersion = FilterForm.filterVersion;
graph.previousGraphTickIndex = allocatedAfterTickIndex;
}
else
{
ObjectGraph previousGraph = (ObjectGraph)graph.graphSource;
graph.previousGraphTickIndex = previousGraph.tickIndex;
graph.graphSource = this;
foreach (Vertex v in graph.vertices.Values)
{
if (v.weightHistory == null)
{
v.weightHistory = new uint[1];
}
else
{
uint[] weightHistory = v.weightHistory;
if (weightHistory.Length < historyDepth)
{
v.weightHistory = new uint[weightHistory.Length + 1];
}
for (int i = v.weightHistory.Length - 1; i > 0; i--)
{
v.weightHistory[i] = weightHistory[i - 1];
}
}
v.weightHistory[0] = v.weight;
v.weight = v.incomingWeight = v.outgoingWeight = v.basicWeight = 0;
v.count = 0;
foreach (Edge e in v.outgoingEdges.Values)
{
e.weight = 0;
}
}
}
if (graph.previousGraphTickIndex < graph.allocatedAfterTickIndex)
{
graph.previousGraphTickIndex = graph.allocatedAfterTickIndex;
}
graph.allocatedAfterTickIndex = allocatedAfterTickIndex;
graph.allocatedBeforeTickIndex = allocatedBeforeTickIndex;
GcType rootType = GetOrCreateGcType("<root>", 0);
GcObject rootObject = GetOrCreateObject(0);
rootObject.type = rootType;
rootObject.references = roots;
foreach (GcObject gcObject in idToObject.Values)
{
gcObject.level = int.MaxValue;
gcObject.vertex = null;
}
AssignLevels(rootObject);
AssignInterestLevels();
int index = 0;
foreach (GcType gcType in typeNameToGcType.Values)
{
gcType.index = index++;
}
GcType[] gcTypes = new GcType[index];
typeHintTable = new int[index];
foreach (GcType gcType in typeNameToGcType.Values)
{
gcTypes[gcType.index] = gcType;
}
Vertex[] pathFromRoot = new Vertex[32];
foreach (GcObject gcObject in idToObject.Values)
{
if (gcObject.level == int.MaxValue ||
(gcObject.interestLevel & (InterestLevel.Interesting | InterestLevel.Display)) == InterestLevel.Ignore ||
gcObject.allocTickIndex <= allocatedAfterTickIndex ||
gcObject.allocTickIndex >= allocatedBeforeTickIndex)
{
continue;
}
while (pathFromRoot.Length < gcObject.level + 1)
{
pathFromRoot = new Vertex[pathFromRoot.Length * 2];
}
for (GcObject pathObject = gcObject; pathObject != null; pathObject = pathObject.parent)
{
if ((pathObject.interestLevel & (InterestLevel.Interesting | InterestLevel.Display)) == InterestLevel.Ignore)
{
pathFromRoot[pathObject.level] = null;
}
else
{
pathFromRoot[pathObject.level] = FindVertex(pathObject, graph, options);
}
}
int levels = 0;
for (int i = 0; i <= gcObject.level; i++)
{
if (pathFromRoot[i] != null)
{
pathFromRoot[levels++] = pathFromRoot[i];
}
}
levels = Vertex.SqueezeOutRepetitions(pathFromRoot, levels);
for (int i = 0; i < levels - 1; i++)
{
Vertex fromVertex = pathFromRoot[i];
Vertex toVertex = pathFromRoot[i + 1];
Edge edge = graph.FindOrCreateEdge(fromVertex, toVertex);
edge.AddWeight(gcObject.size);
}
Vertex thisVertex = pathFromRoot[levels - 1];
thisVertex.basicWeight += gcObject.size;
thisVertex.count += 1;
}
foreach (Vertex v in graph.vertices.Values)
{
if (v.weight < v.outgoingWeight)
{
v.weight = v.outgoingWeight;
}
if (v.weight < v.incomingWeight)
{
v.weight = v.incomingWeight;
}
if (v.weightHistory == null)
{
v.weightHistory = new uint[1];
}
}
foreach (Vertex v in graph.vertices.Values)
{
v.active = true;
}
graph.BottomVertex.active = false;
return(graph);
}
void BuildFuncVertices(Graph graph, ref Vertex[] funcVertex, FilterForm filterForm)
{
for (int i = 0; i < readNewLog.funcName.Length; i++)
{
string name = readNewLog.funcName[i];
string signature = readNewLog.funcSignature[i];
if (name != null && signature != null)
readNewLog.AddFunctionVertex(i, name, signature, graph, ref funcVertex, filterForm);
}
}
internal void AddTypeVertex(int typeId, string typeName, Graph graph, ref Vertex[] typeVertex, FilterForm filterForm)
{
EnsureVertexCapacity(typeId, ref typeVertex);
typeVertex[typeId] = graph.FindOrCreateVertex(typeName, null, null);
typeVertex[typeId].interestLevel = filterForm.IsInterestingTypeName(typeName, null, finalizableTypes.ContainsKey(typeId))
? InterestLevel.Interesting | filterForm.InterestLevelForParentsAndChildren() : InterestLevel.Ignore;
}
internal void BuildHandleAllocationTrace(Graph graph, int stackTraceIndex, uint count, Vertex[] funcVertex, ref Vertex[] vertexStack, FilterForm filterForm)
{
int stackPtr = BuildVertexStack(stackTraceIndex, funcVertex, ref vertexStack, 0);
Vertex handleVertex = graph.FindOrCreateVertex("Handle", null, null);
handleVertex.interestLevel = InterestLevel.Interesting;
Vertex toVertex = graph.TopVertex;
Vertex fromVertex;
Edge edge;
if (ReadNewLog.InterestingCallStack(vertexStack, stackPtr, filterForm))
{
vertexStack[stackPtr] = handleVertex;
stackPtr++;
stackPtr = ReadNewLog.FilterVertices(vertexStack, stackPtr);
stackPtr = Vertex.SqueezeOutRepetitions(vertexStack, stackPtr);
for (int i = 0; i < stackPtr; i++)
{
fromVertex = toVertex;
toVertex = vertexStack[i];
edge = graph.FindOrCreateEdge(fromVertex, toVertex);
edge.AddWeight(count);
}
fromVertex = toVertex;
toVertex = graph.BottomVertex;
edge = graph.FindOrCreateEdge(fromVertex, toVertex);
edge.AddWeight(count);
}
}
private void RefreshGraph()
{
Graph orgGraph = graph;
if (orgGraph.graphSource is Graph)
{
orgGraph = (Graph)orgGraph.graphSource;
}
switch (orgGraph.graphType)
{
case Graph.GraphType.CallGraph:
graph = ((Histogram)orgGraph.graphSource).BuildCallGraph(filterForm);
graph.graphType = Graph.GraphType.CallGraph;
break;
case Graph.GraphType.AllocationGraph:
graph = ((Histogram)orgGraph.graphSource).BuildAllocationGraph(filterForm);
graph.graphType = Graph.GraphType.AllocationGraph;
break;
case Graph.GraphType.AssemblyGraph:
graph = ((Histogram)orgGraph.graphSource).BuildAssemblyGraph(filterForm);
graph.graphType = Graph.GraphType.AssemblyGraph;
break;
case Graph.GraphType.HeapGraph:
graph = ((ObjectGraph)orgGraph.graphSource).BuildTypeGraph(orgGraph.allocatedAfterTickIndex, orgGraph.allocatedBeforeTickIndex, orgGraph.typeGraphOptions, filterForm);
graph.graphType = Graph.GraphType.HeapGraph;
break;
case Graph.GraphType.HandleAllocationGraph:
graph = ((Histogram)orgGraph.graphSource).BuildHandleAllocationGraph(filterForm);
graph.graphType = Graph.GraphType.HandleAllocationGraph;
break;
}
placeVertices = placeEdges = true;
graphPanel.Invalidate();
}
void BuildClassTrace(Graph graph, int stackTraceIndex, int funcIndex, ulong size, Vertex[] funcVertex, ref Vertex[] vertexStack, FilterForm filterForm)
{
string className = ClassNameOfFunc(funcIndex);
int functionsToSkip = FunctionsInSameClass(className, stackTraceIndex);
int stackPtr = BuildVertexStack(stackTraceIndex, funcVertex, ref vertexStack, 0) - functionsToSkip;
Vertex toVertex = graph.TopVertex;
Vertex fromVertex;
Edge edge;
if (ReadNewLog.InterestingCallStack(vertexStack, stackPtr, filterForm))
{
vertexStack[stackPtr] = graph.FindOrCreateVertex(className, null, null);
vertexStack[stackPtr].interestLevel = filterForm.InterestLevelOfMethodName(className, null);
stackPtr++;
stackPtr = ReadNewLog.FilterVertices(vertexStack, stackPtr);
stackPtr = Vertex.SqueezeOutRepetitions(vertexStack, stackPtr);
for (int i = 0; i < stackPtr; i++)
{
fromVertex = toVertex;
toVertex = vertexStack[i];
edge = graph.FindOrCreateEdge(fromVertex, toVertex);
edge.AddWeight(size);
}
if (toVertex != graph.TopVertex)
{
fromVertex = toVertex;
toVertex = graph.BottomVertex;
edge = graph.FindOrCreateEdge(fromVertex, toVertex);
edge.AddWeight(size);
}
}
}
private Vertex CloneVertex(Graph g, Vertex v)
{
Vertex vn = g.FindOrCreateVertex(v.name, v.signature, v.moduleName);
vn.basicName = v.basicName;
vn.basicSignature = v.basicSignature;
vn.active = true;
return vn;
}
internal void BuildTypeVertices(Graph graph, ref Vertex[] typeVertex, FilterForm filterForm)
{
for (int i = 0; i < readNewLog.typeName.Length; i++)
{
string typeName = readNewLog.typeName[i];
if (typeName == null)
typeName = string.Format("???? type {0}", i);
readNewLog.AddTypeVertex(i, typeName, graph, ref typeVertex, filterForm);
}
}
private void ZoomVertex(Vertex v, string titlePrefix)
{
toolTip.Active = false;
Graph g;
if (graph.graphSource is Graph)
{
Graph orgGraph = (Graph)graph.graphSource;
g = new Graph(orgGraph);
v = orgGraph.FindOrCreateVertex(v.name, v.signature, v.moduleName);
}
else
g = new Graph(graph);
g.allocatedAfterTickIndex = graph.allocatedAfterTickIndex;
g.allocatedBeforeTickIndex = graph.allocatedBeforeTickIndex;
Vertex vn = CloneVertex(g, v);
vn.count = v.count;
if (v.incomingEdges.Count == 0)
{
if (v != graph.TopVertex)
g.FindOrCreateEdge(g.TopVertex, vn).AddWeight(v.weight);
}
else
{
foreach (Edge e in v.incomingEdges.Values)
{
Vertex vin = CloneVertex(g, e.FromVertex);
g.FindOrCreateEdge(vin, vn).AddWeight(e.weight);
if (vin != g.TopVertex)
g.FindOrCreateEdge(g.TopVertex, vin).AddWeight(e.weight);
}
}
if (v.outgoingEdges.Count == 0)
{
if (v != graph.BottomVertex)
g.FindOrCreateEdge(vn, g.BottomVertex).AddWeight(v.weight);
}
else
{
foreach (Edge e in v.outgoingEdges.Values)
{
Vertex von = CloneVertex(g, e.ToVertex);
g.FindOrCreateEdge(vn, von).AddWeight(e.weight);
if (von != g.BottomVertex)
g.FindOrCreateEdge(von, g.BottomVertex).AddWeight(e.weight);
}
}
g.BottomVertex.active = false;
g.graphType = graph.graphType;
g.typeGraphOptions = graph.typeGraphOptions;
if (titlePrefix == null)
titlePrefix = "Zoom to: ";
string title = titlePrefix + v.name + " " + (v.signature != null? v.signature : "");
GraphViewForm graphViewForm = new GraphViewForm(g, title);
graphViewForm.Visible = true;
}
internal void AddFunctionVertex(int funcId, string functionName, string signature, Graph graph, ref Vertex[] funcVertex, FilterForm filterForm)
{
EnsureVertexCapacity(funcId, ref funcVertex);
int moduleId = funcModule[funcId];
string moduleName = null;
if (moduleId >= 0)
moduleName = modBasicName[moduleId];
funcVertex[funcId] = graph.FindOrCreateVertex(functionName, signature, moduleName);
funcVertex[funcId].interestLevel = filterForm.InterestLevelOfMethodName(functionName, signature);
}
private void showInstancesMenuItem_Click(object sender, System.EventArgs e)
{
Graph orgGraph = graph;
if (orgGraph.graphSource is Graph)
orgGraph = (Graph)orgGraph.graphSource;
ObjectGraph objectGraph = (ObjectGraph)orgGraph.graphSource;
ObjectGraph.BuildTypeGraphOptions options;
if (graph.typeGraphOptions == ObjectGraph.BuildTypeGraphOptions.LumpBySignature)
{
options = ObjectGraph.BuildTypeGraphOptions.IndividualObjects;
}
else
{
options = ObjectGraph.BuildTypeGraphOptions.LumpBySignature;
}
graph = objectGraph.BuildTypeGraph(graph.allocatedAfterTickIndex, graph.allocatedBeforeTickIndex, options, filterForm);
placeVertices = placeEdges = true;
graphPanel.Invalidate();
EnableDisableMenuItems();
}
internal void BuildFuncVertices(Graph graph, ref Vertex[] funcVertex, FilterForm filterForm)
{
for (int i = 0; i < readNewLog.funcName.Length; i++)
{
string name = readNewLog.funcName[i];
string signature = readNewLog.funcSignature[i];
if (name == null)
name = string.Format("???? function {0}", i);
if (signature == null)
signature = "( ???????? )";
readNewLog.AddFunctionVertex(i, name, signature, graph, ref funcVertex, filterForm);
}
}
internal GraphViewForm(Graph graph, string title)
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
toolTip = new ToolTip();
toolTip.Active = false;
toolTip.ShowAlways = true;
toolTip.AutomaticDelay = 70;
toolTip.ReshowDelay = 1;
this.graph = graph;
font = MainForm.instance.font;
fontHeight = font.Height;
Text = title;
EnableDisableMenuItems();
filterForm = new FilterForm();
findForm = new FindRoutineForm();
}
internal Graph BuildHandleAllocationGraph(FilterForm filterForm)
{
Vertex[] funcVertex = new Vertex[1];
Vertex[] vertexStack = new Vertex[1];
Graph graph = new Graph(this);
graph.graphType = Graph.GraphType.HandleAllocationGraph;
BuildFuncVertices(graph, ref funcVertex, filterForm);
for (int i = 0; i < typeSizeStacktraceToCount.Length; i++)
{
if (typeSizeStacktraceToCount[i] > 0)
{
int[] stacktrace = readNewLog.stacktraceTable.IndexToStacktrace(i);
uint count = (uint)typeSizeStacktraceToCount[i];
BuildHandleAllocationTrace(graph, i, count, funcVertex, ref vertexStack, filterForm);
}
}
foreach (Vertex v in graph.vertices.Values)
v.active = true;
graph.BottomVertex.active = false;
return graph;
}
internal void BuildCallTrace(Graph graph, int stackTraceIndex, Vertex[] funcVertex, ref Vertex[] vertexStack, int count, FilterForm filterForm)
{
int stackPtr = BuildVertexStack(stackTraceIndex, funcVertex, ref vertexStack, 0);
Vertex toVertex = graph.TopVertex;
Vertex fromVertex;
Edge edge;
if (ReadNewLog.InterestingCallStack(vertexStack, stackPtr, filterForm))
{
stackPtr = ReadNewLog.FilterVertices(vertexStack, stackPtr);
stackPtr = Vertex.SqueezeOutRepetitions(vertexStack, stackPtr);
for (int i = 0; i < stackPtr; i++)
{
fromVertex = toVertex;
toVertex = vertexStack[i];
edge = graph.FindOrCreateEdge(fromVertex, toVertex);
edge.AddWeight((uint)count);
}
}
}
internal void BuildAssemblyTrace(Graph graph, int stackTraceIndex, Vertex assembly, Vertex typeVertex, Vertex[] funcVertex, ref Vertex[] vertexStack)
{
int stackPtr = BuildVertexStack(Math.Abs(stackTraceIndex), funcVertex, ref vertexStack, stackTraceIndex < 0 ? 2 : 0);
Vertex toVertex = graph.TopVertex;
Vertex fromVertex;
Edge edge;
if(typeVertex != null)
{
vertexStack[stackPtr++] = typeVertex;
}
vertexStack[stackPtr++] = assembly;
stackPtr = ReadNewLog.FilterVertices(vertexStack, stackPtr);
stackPtr = Vertex.SqueezeOutRepetitions(vertexStack, stackPtr);
for (int i = 0; i < stackPtr; i++)
{
fromVertex = toVertex;
toVertex = vertexStack[i];
edge = graph.FindOrCreateEdge(fromVertex, toVertex);
edge.AddWeight(1);
}
fromVertex = toVertex;
toVertex = graph.BottomVertex;
edge = graph.FindOrCreateEdge(fromVertex, toVertex);
edge.AddWeight(1);
}
internal Vertex FindVertex(GcObject gcObject, Graph graph, BuildTypeGraphOptions options)
{
if (gcObject.vertex != null)
{
return(gcObject.vertex);
}
string signature = null;
StringBuilder sb = new StringBuilder();
if (gcObject.parent != null)
{
switch (options)
{
case BuildTypeGraphOptions.IndividualObjects:
sb.AppendFormat("Address = 0x{0:x}, size = {1:n0} bytes", gcObject.id, gcObject.size);
break;
case BuildTypeGraphOptions.LumpBySignature:
sb.Append(gcObject.parent.type.name);
sb.Append("->");
sb.Append(gcObject.type.name);
if (gcObject.references != null)
{
sb.Append("->(");
ArrayList al = new ArrayList();
string separator = "";
const int MAXREFTYPECOUNT = 3;
int refTypeCount = 0;
for (int i = 0; i < gcObject.references.Length; i++)
{
GcObject refObject = gcObject.references[i];
GcType refType = refObject.type;
if (typeHintTable[refType.index] < i && gcObject.references[typeHintTable[refType.index]].type == refType)
{
; // we already found this type - ignore further occurrences
}
else
{
typeHintTable[refType.index] = i;
refTypeCount++;
if (refTypeCount <= MAXREFTYPECOUNT)
{
al.Add(refType.name);
}
else
{
break;
}
}
}
al.Sort();
foreach (string typeName in al)
{
sb.Append(separator);
separator = ",";
sb.Append(typeName);
}
if (refTypeCount > MAXREFTYPECOUNT)
{
sb.Append(",...");
}
sb.Append(")");
}
break;
default:
Debug.Assert(false);
break;
}
signature = sb.ToString();
}
gcObject.vertex = graph.FindOrCreateVertex(gcObject.type.name, signature, null);
return(gcObject.vertex);
}
