internal static Histogram GetSurvivorHistogram(ReadNewLog log, ReadLogResult entireLogResult, int startTickIndex, int endTickIndex, string timeMarker)
{
ReadLogResult logResult = entireLogResult;
int timeTickIndex = entireLogResult.sampleObjectTable.lastTickIndex;
if (timeMarker != null)
{
timeTickIndex = FindMarkerTickIndex(timeMarker, log);
long endPos = log.TickIndexToPos(timeTickIndex);
// Read the selected portion of the log again
logResult = new ReadLogResult();
logResult.liveObjectTable = new LiveObjectTable(log);
log.ReadFile(0, endPos, logResult);
}
Histogram histogram = new Histogram(log);
LiveObjectTable.LiveObject o;
for (logResult.liveObjectTable.GetNextObject(0, ulong.MaxValue, out o);
o.id < ulong.MaxValue;
logResult.liveObjectTable.GetNextObject(o.id + o.size, ulong.MaxValue, out o))
{
if (startTickIndex <= o.allocTickIndex && o.allocTickIndex < endTickIndex)
{
histogram.AddObject(o.typeSizeStacktraceIndex, 1);
}
}
return(histogram);
}
private void showHistogramMenuItem_Click(object sender, System.EventArgs e)
{
TypeDesc selectedType = FindSelectedType();
// Create a new histogram and add all the objects in the selected address range
// whose type matches the selected type (if any).
ReadNewLog log = liveObjectTable.readNewLog;
var histogram = new Histogram(log);
ulong low = selectedLowAddr;
ulong high = low == 0 ? ulong.MaxValue : selectedHighAddr;
LiveObjectTable.LiveObject o;
for (liveObjectTable.GetNextObject(low, high, out o); o.id < high; liveObjectTable.GetNextObject(o.id + o.size, high, out o))
{
if (selectedType == null || selectedType.typeIndex == o.typeIndex)
{
histogram.AddObject(o.typeSizeStacktraceIndex, 1);
}
}
string title = "Histogram by Size for live " + ComputeObjectsDescription(selectedType, selectedLowAddr, selectedHighAddr);
var histogramViewForm = new HistogramViewForm(histogram, title);
histogramViewForm.Show();
}
internal void UpdateObjects(Histogram relocatedHistogram, ulong oldId, ulong newId, uint length, int tickIndex, SampleObjectTable sampleObjectTable)
{
if (lastPos >= readNewLog.pos)
{
return;
}
lastPos = readNewLog.pos;
lastTickIndex = tickIndex;
intervalTable.Relocate(oldId, newId, length);
if (oldId == newId)
{
return;
}
ulong nextId;
ulong lastId = oldId + length;
LiveObject o;
for (GetNextObject(oldId, lastId, out o); o.id < lastId; GetNextObject(nextId, lastId, out o))
{
nextId = o.id + o.size;
ulong offset = o.id - oldId;
sampleObjectTable?.Delete(o.id, o.id + o.size, tickIndex);
Zero(o.id, o.size);
InsertObject(newId + offset, o.typeSizeStacktraceIndex, o.allocTickIndex, tickIndex, false, sampleObjectTable);
relocatedHistogram?.AddObject(o.typeSizeStacktraceIndex, 1);
}
}
private void showAllocatorsMenuItem_Click(object sender, System.EventArgs e)
{
TypeDesc selectedType = FindSelectedType();
// Create a new allocation graph and add all the objects in the selected address range
// whose type matches the selected type (if any).
ReadNewLog log = liveObjectTable.readNewLog;
var histogram = new Histogram(log);
ulong low = selectedLowAddr;
ulong high = low == 0 ? ulong.MaxValue : selectedHighAddr;
LiveObjectTable.LiveObject o;
for (liveObjectTable.GetNextObject(low, high, out o); o.id < high; liveObjectTable.GetNextObject(o.id + o.size, high, out o))
{
if (selectedType == null || selectedType.typeIndex == o.typeIndex)
{
histogram.AddObject(o.typeSizeStacktraceIndex, 1);
}
}
// Build the real graph from the histogram
Graph graph = histogram.BuildAllocationGraph(new FilterForm());
// And make another graph form for it - hardest part is to compute an appropriate title...
string title = "Allocation Graph for live " + ComputeObjectsDescription(selectedType, selectedLowAddr, selectedHighAddr);
var graphViewForm = new GraphViewForm(graph, title);
graphViewForm.Visible = true;
}
private void showWhoAllocatedMenuItem_Click(object sender, System.EventArgs e)
{
Histogram selectedHistogram;
string title;
TypeDesc selectedType = FindSelectedType();
if (selectedType == null)
{
title = "Allocation Graph";
selectedHistogram = histogram;
}
else
{
int minSize = 0;
int maxSize = int.MaxValue;
foreach (Bucket b in buckets)
{
if (b.selected)
{
minSize = b.minSize;
maxSize = b.maxSize;
}
}
title = string.Format("Allocation Graph for {0} objects", selectedType.typeName);
if (minSize > 0)
{
title += string.Format(" of size between {0:n0} and {1:n0} bytes", minSize, maxSize);
}
selectedHistogram = new Histogram(histogram.readNewLog);
for (int i = 0; i < histogram.typeSizeStacktraceToCount.Length; i++)
{
int count = histogram.typeSizeStacktraceToCount[i];
if (count > 0)
{
int[] stacktrace = histogram.readNewLog.stacktraceTable.IndexToStacktrace(i);
int typeIndex = stacktrace[0];
int size = stacktrace[1];
if (minSize <= size && size <= maxSize)
{
var t = (TypeDesc)typeIndexToTypeDesc[typeIndex];
if (t == selectedType)
{
selectedHistogram.AddObject(i, count);
}
}
}
}
}
Graph graph = selectedHistogram.BuildAllocationGraph(new FilterForm());
var graphViewForm = new GraphViewForm(graph, title);
graphViewForm.Visible = true;
}
private void showWhoAllocatedMenuItem_Click(object sender, System.EventArgs e)
{
TypeDesc selectedType = FindSelectedType();
double minAge = 0;
double maxAge = double.PositiveInfinity;
Debug.Assert(bucketTable != null, "bucketTable != null");
foreach (Bucket b in bucketTable)
{
if (b.selected)
{
minAge = b.minAge;
maxAge = b.maxAge;
}
}
string title = "Allocation Graph for objects";
if (selectedType != null)
{
title = string.Format("Allocation Graph for {0} objects", selectedType.typeName);
}
if (minAge > 0.0)
{
title += string.Format(" of age between {0} and {1} seconds", FormatTime(minAge), FormatTime(maxAge));
}
Debug.Assert(liveObjectTable != null, "liveObjectTable != null");
var selectedHistogram = new Histogram(liveObjectTable.readNewLog);
LiveObjectTable.LiveObject o;
double nowTime = liveObjectTable.readNewLog.TickIndexToTime(liveObjectTable.lastTickIndex);
Debug.Assert(typeIndexToTypeDesc != null, "typeIndexToTypeDesc != null");
for (liveObjectTable.GetNextObject(0, ulong.MaxValue, out o); o.id < ulong.MaxValue; liveObjectTable.GetNextObject(o.id + o.size, uint.MaxValue, out o))
{
double age = nowTime - liveObjectTable.readNewLog.TickIndexToTime(o.allocTickIndex);
if (minAge <= age && age < maxAge)
{
var t = (TypeDesc)typeIndexToTypeDesc[o.typeIndex];
if (selectedType == null || t == selectedType)
{
selectedHistogram.AddObject(o.typeSizeStacktraceIndex, 1);
}
}
}
Graph graph = selectedHistogram.BuildAllocationGraph(new FilterForm());
var graphViewForm = new GraphViewForm(graph, title);
graphViewForm.Visible = true;
}
private void survingHandlesAllocationGraphButton_Click(object sender, System.EventArgs e)
{
var histogram = new Histogram(log);
foreach (HandleInfo handleInfo in logResult.handleHash.Values)
{
histogram.AddObject(handleInfo.allocStacktraceId, 1);
}
string title = "Surviving Handle Allocation Graph for: " + scenario;
CreateHandleAllocationGraph(histogram, title);
}
private Histogram GetFinalHeapHistogram()
{
var histogram = new Histogram(log);
LiveObjectTable.LiveObject o;
for (logResult.liveObjectTable.GetNextObject(0, ulong.MaxValue, out o);
o.id < ulong.MaxValue && o.id + o.size >= o.id;
logResult.liveObjectTable.GetNextObject(o.id + o.size, ulong.MaxValue, out o))
{
histogram.AddObject(o.typeSizeStacktraceIndex, 1);
}
return(histogram);
}
private Histogram MakeHistogram(int allocatedAfterTickIndex, int allocatedBeforeTickIndex)
{
// Build a histogram of types, sizes, allocation stacks from the object graph,
// using only the objects whose vertices are selected
// First of all, limit the interval to the one of the underlying graph
if (allocatedAfterTickIndex < graph.allocatedAfterTickIndex)
allocatedAfterTickIndex = graph.allocatedAfterTickIndex;
if (allocatedBeforeTickIndex > graph.allocatedBeforeTickIndex)
allocatedBeforeTickIndex = graph.allocatedBeforeTickIndex;
Graph originalGraph = GetOriginalGraph();
ObjectGraph objectGraph = GetObjectGraph();
Histogram histogram = new Histogram(objectGraph.readNewLog);
bool anyVertexSelected = SelectedVertexCount() != 0;
foreach (KeyValuePair<ulong, ObjectGraph.GcObject> keyValuePair in objectGraph.idToObject)
{
ulong id = keyValuePair.Key;
ObjectGraph.GcObject gcObject = keyValuePair.Value;
if (gcObject.TypeSizeStackTraceId > 0 &&
gcObject.AllocTickIndex > allocatedAfterTickIndex &&
gcObject.AllocTickIndex < allocatedBeforeTickIndex &&
gcObject.InterestLevel != InterestLevel.Ignore)
{
if (anyVertexSelected || originalGraph != graph)
{
gcObject.vertex = null;
Vertex v = objectGraph.FindVertex(id, gcObject, originalGraph, ObjectGraph.BuildTypeGraphOptions.LumpBySignature);
if (originalGraph != graph)
{
v = graph.FindVertex(v.name, v.signature, v.moduleName);
if (v == null)
continue;
}
if (anyVertexSelected && !v.selected)
continue;
}
histogram.AddObject(gcObject.TypeSizeStackTraceId, 1);
}
}
return histogram;
}
private void showHistogramMenuItem_Click(object sender, System.EventArgs e)
{
TypeDesc selectedType = FindSelectedType();
// Create a new histogram and add all the objects in the selected address range
// whose type matches the selected type (if any).
ReadNewLog log = liveObjectTable.readNewLog;
Histogram histogram = new Histogram(log);
ulong low = selectedLowAddr;
ulong high = low == 0 ? ulong.MaxValue : selectedHighAddr;
LiveObjectTable.LiveObject o;
for (liveObjectTable.GetNextObject(low, high, out o); o.id < high; liveObjectTable.GetNextObject(o.id + o.size, high, out o))
{
if (selectedType == null || selectedType.typeIndex == o.typeIndex)
histogram.AddObject(o.typeSizeStacktraceIndex, 1);
}
string title = "Histogram by Size for live " + ComputeObjectsDescription(selectedType, selectedLowAddr, selectedHighAddr);
HistogramViewForm histogramViewForm = new HistogramViewForm(histogram, title);
histogramViewForm.Show();
}
private void showWhoAllocatedMenuItem_Click(object sender, System.EventArgs e)
{
Histogram selectedHistogram;
string title;
TypeDesc selectedType = FindSelectedType();
if (selectedType == null)
{
title = "Allocation Graph";
selectedHistogram = histogram;
}
else
{
int minSize = 0;
int maxSize = int.MaxValue;
foreach (Bucket b in buckets)
{
if (b.selected)
{
minSize = b.minSize;
maxSize = b.maxSize;
}
}
title = string.Format("Allocation Graph for {0} objects", selectedType.typeName);
if (minSize > 0)
title += string.Format(" of size between {0:n0} and {1:n0} bytes", minSize, maxSize);
selectedHistogram = new Histogram(histogram.readNewLog);
for (int i = 0; i < histogram.typeSizeStacktraceToCount.Length; i++)
{
int count = histogram.typeSizeStacktraceToCount[i];
if (count > 0)
{
int[] stacktrace = histogram.readNewLog.stacktraceTable.IndexToStacktrace(i);
int typeIndex = stacktrace[0];
int size = stacktrace[1];
if (minSize <= size && size <= maxSize)
{
TypeDesc t = (TypeDesc)typeIndexToTypeDesc[typeIndex];
if (t == selectedType)
{
selectedHistogram.AddObject(i, count);
}
}
}
}
}
Graph graph = selectedHistogram.BuildAllocationGraph(new FilterForm());
GraphViewForm graphViewForm = new GraphViewForm(graph, title);
graphViewForm.Visible = true;
}
internal static Histogram GetSurvivorHistogram(ReadNewLog log, ReadLogResult entireLogResult, int startTickIndex, int endTickIndex, string timeMarker)
{
ReadLogResult logResult = entireLogResult;
int timeTickIndex = entireLogResult.sampleObjectTable.lastTickIndex;
if (timeMarker != null)
{
timeTickIndex = FindMarkerTickIndex(timeMarker, log);
long endPos = log.TickIndexToPos(timeTickIndex);
// Read the selected portion of the log again
logResult = new ReadLogResult();
logResult.liveObjectTable = new LiveObjectTable(log);
log.ReadFile(0, endPos, logResult);
}
Histogram histogram = new Histogram(log);
LiveObjectTable.LiveObject o;
for (logResult.liveObjectTable.GetNextObject(0, ulong.MaxValue, out o);
o.id < ulong.MaxValue;
logResult.liveObjectTable.GetNextObject(o.id + o.size, ulong.MaxValue, out o))
{
if (startTickIndex <= o.allocTickIndex && o.allocTickIndex < endTickIndex)
histogram.AddObject(o.typeSizeStacktraceIndex, 1);
}
return histogram;
}
private void showAllocatorsMenuItem_Click(object sender, System.EventArgs e)
{
TypeDesc selectedType = FindSelectedType();
// Create a new allocation graph and add all the objects in the selected address range
// whose type matches the selected type (if any).
ReadNewLog log = liveObjectTable.readNewLog;
Histogram histogram = new Histogram(log);
ulong low = selectedLowAddr;
ulong high = low == 0 ? ulong.MaxValue : selectedHighAddr;
LiveObjectTable.LiveObject o;
for (liveObjectTable.GetNextObject(low, high, out o); o.id < high; liveObjectTable.GetNextObject(o.id + o.size, high, out o))
{
if (selectedType == null || selectedType.typeIndex == o.typeIndex)
histogram.AddObject(o.typeSizeStacktraceIndex, 1);
}
// Build the real graph from the histogram
Graph graph = histogram.BuildAllocationGraph(new FilterForm());
// And make another graph form for it - hardest part is to compute an appropriate title...
string title = "Allocation Graph for live " + ComputeObjectsDescription(selectedType, selectedLowAddr, selectedHighAddr);
GraphViewForm graphViewForm = new GraphViewForm(graph, title);
graphViewForm.Visible = true;
}
internal void UpdateObjects(Histogram relocatedHistogram, ulong oldId, ulong newId, uint length, int tickIndex, SampleObjectTable sampleObjectTable)
{
if (lastPos >= readNewLog.pos)
return;
lastPos = readNewLog.pos;
lastTickIndex = tickIndex;
intervalTable.Relocate(oldId, newId, length);
if (oldId == newId)
return;
ulong nextId;
ulong lastId = oldId + length;
LiveObject o;
for (GetNextObject(oldId, lastId, out o); o.id < lastId; GetNextObject(nextId, lastId, out o))
{
nextId = o.id + o.size;
ulong offset = o.id - oldId;
if (sampleObjectTable != null)
sampleObjectTable.Delete(o.id, o.id + o.size, tickIndex);
Zero(o.id, o.size);
InsertObject(newId + offset, o.typeSizeStacktraceIndex, o.allocTickIndex, tickIndex, false, sampleObjectTable);
if (relocatedHistogram != null)
relocatedHistogram.AddObject(o.typeSizeStacktraceIndex, 1);
}
}
private Histogram GetLiveHistogram()
{
LiveObjectTable liveObjectTable = GetLiveObjectTable();
Histogram histogram = new Histogram(sampleObjectTable.readNewLog);
LiveObjectTable.LiveObject o;
for (liveObjectTable.GetNextObject(0, ulong.MaxValue, out o); o.id < ulong.MaxValue; liveObjectTable.GetNextObject(o.id + o.size, ulong.MaxValue, out o))
{
if (firstAllocTickIndex <= o.allocTickIndex && o.allocTickIndex < lastAllocTickIndex)
histogram.AddObject(o.typeSizeStacktraceIndex, 1);
}
return histogram;
}
private void showWhoAllocatedMenuItem_Click(object sender, System.EventArgs e)
{
Histogram selectedHistogram;
string title;
TypeDesc selectedType = FindSelectedType();
double minAge = 0;
double maxAge = double.PositiveInfinity;
foreach (Bucket b in bucketTable)
{
if (b.selected)
{
minAge = b.minAge;
maxAge = b.maxAge;
}
}
title = "Allocation Graph for objects";
if (selectedType != null)
title = string.Format("Allocation Graph for {0} objects", selectedType.typeName);
if (minAge > 0.0)
title += string.Format(" of age between {0} and {1} seconds", FormatTime(minAge), FormatTime(maxAge));
selectedHistogram = new Histogram(liveObjectTable.readNewLog);
LiveObjectTable.LiveObject o;
double nowTime = liveObjectTable.readNewLog.TickIndexToTime(liveObjectTable.lastTickIndex);
for (liveObjectTable.GetNextObject(0, ulong.MaxValue, out o); o.id < ulong.MaxValue; liveObjectTable.GetNextObject(o.id + o.size, uint.MaxValue, out o))
{
double age = nowTime - liveObjectTable.readNewLog.TickIndexToTime(o.allocTickIndex);
if (minAge <= age && age < maxAge)
{
TypeDesc t = (TypeDesc)typeIndexToTypeDesc[o.typeIndex];
if (selectedType == null || t == selectedType)
{
selectedHistogram.AddObject(o.typeSizeStacktraceIndex, 1);
}
}
}
Graph graph = selectedHistogram.BuildAllocationGraph(new FilterForm());
GraphViewForm graphViewForm = new GraphViewForm(graph, title);
graphViewForm.Visible = true;
}
private void survingHandlesAllocationGraphButton_Click(object sender, System.EventArgs e)
{
Histogram histogram = new Histogram(log);
foreach (HandleInfo handleInfo in logResult.handleHash.Values)
{
histogram.AddObject(handleInfo.allocStacktraceId, 1);
}
string title = "Surviving Handle Allocation Graph for: " + scenario;
CreateHandleAllocationGraph(histogram, title);
}
private Histogram GetFinalHeapHistogram()
{
Histogram histogram = new Histogram(log);
LiveObjectTable.LiveObject o;
for (logResult.liveObjectTable.GetNextObject(0, ulong.MaxValue, out o);
o.id < ulong.MaxValue && o.id + o.size >= o.id;
logResult.liveObjectTable.GetNextObject(o.id + o.size, ulong.MaxValue, out o))
{
histogram.AddObject(o.typeSizeStacktraceIndex, 1);
}
return histogram;
}
