GcEventExtra GetGcEventExtra(int gc, bool create = true)
{
GcEventExtra data;
if (!m_gcEventExtra.TryGetValue(gc, out data) && create)
{
data = new GcEventExtra();
m_gcEventExtra[gc] = data;
}
return(data);
}
private void OnOpenInducedStacks(object sender, RoutedEventArgs e)
{
StackSourceBuilder builder = new StackSourceBuilder(m_traceLog);
List <TraceGC> events = m_runtime.GC.GCs;
for (int i = 0; i < events.Count; i++)
{
TraceGC ev = events[i];
if (ev.IsInduced())
{
GcEventExtra extra = GetGcEventExtra(ev.Number, false);
if (extra != null)
{
builder.AddSample(extra.GCStartThread, ev.PauseDurationMSec, ev.StartRelativeMSec,
String.Format("StartGC({0}, {1}, G{2})", ev.Reason, ev.Type, ev.Generation),
extra.GCStartIndex);
}
}
}
StackSource source = builder.Stacks;
if (source.SampleIndexLimit == 0)
{
MessageBox.Show("No stacks found for induced GC", ".Net Heap Analyzer", MessageBoxButton.OK);
}
else
{
StackWindow stackWindow = null;
m_dataFile.StackWindowTo(null, ref stackWindow, source, "Induced GC", FirstEventTime, LastEventTime);
}
}
internal void OnClrEvent(TraceEvent data)
{
TraceEventID eventID = data.ID;
HeapEvents heapEvent = HeapEvents.Unknown;
// TODO don't use IDs but use individual callbacks.
const TraceEventID GCStartEventID = (TraceEventID)1;
const TraceEventID GCStopEventID = (TraceEventID)2;
const TraceEventID GCRestartEEStopEventID = (TraceEventID)3;
const TraceEventID GCHeapStatsEventID = (TraceEventID)4;
const TraceEventID GCCreateSegmentEventID = (TraceEventID)5;
const TraceEventID GCFreeSegmentEventID = (TraceEventID)6;
const TraceEventID GCRestartEEStartEventID = (TraceEventID)7;
const TraceEventID GCSuspendEEStopEventID = (TraceEventID)8;
const TraceEventID GCSuspendEEStartEventID = (TraceEventID)9;
const TraceEventID GCAllocationTickEventID = (TraceEventID)10;
const TraceEventID GCCreateConcurrentThreadEventID = (TraceEventID)11;
const TraceEventID GCTerminateConcurrentThreadEventID = (TraceEventID)12;
const TraceEventID GCFinalizersStopEventID = (TraceEventID)13;
const TraceEventID GCFinalizersStartEventID = (TraceEventID)14;
const TraceEventID ContentionStartEventID = (TraceEventID)81;
const TraceEventID ContentionStopEventID = (TraceEventID)91;
switch (eventID)
{
case GCStartEventID:
{
var mdata = data as Microsoft.Diagnostics.Tracing.Parsers.Clr.GCStartTraceData;
if (mdata != null)
{
GcEventExtra extra = GetGcEventExtra(mdata.Count);
extra.GCStartIndex = data.EventIndex;
extra.GCStartThread = data.Thread();
}
}
heapEvent = HeapEvents.GCStart;
break;
case GCStopEventID:
heapEvent = HeapEvents.GCEnd;
break;
case GCRestartEEStartEventID:
heapEvent = HeapEvents.GCRestartEEBegin;
break;
case GCRestartEEStopEventID:
heapEvent = HeapEvents.GCRestartEEEnd;
break;
case GCHeapStatsEventID:
heapEvent = HeapEvents.GCHeapStats;
break;
case GCCreateSegmentEventID:
heapEvent = HeapEvents.GCCreateSegment;
break;
case GCFreeSegmentEventID:
heapEvent = HeapEvents.GCFreeSegment;
break;
case GCSuspendEEStartEventID:
heapEvent = HeapEvents.GCSuspendEEBegin;
break;
case GCSuspendEEStopEventID:
heapEvent = HeapEvents.GCSuspendEEEnd;
break;
case GCAllocationTickEventID:
heapEvent = HeapEvents.GCAllocationTick;
{
GCAllocationTickTraceData mdata = data as GCAllocationTickTraceData;
AllocationTick(mdata, mdata.AllocationKind == GCAllocationKind.Large, mdata.GetAllocAmount(ref seenBadAlloc) / OneMBD);
}
break;
case GCCreateConcurrentThreadEventID:
heapEvent = HeapEvents.GCCreateConcurrentThread;
break;
case GCTerminateConcurrentThreadEventID:
heapEvent = HeapEvents.GCTerminateConcurrentThread;
break;
case GCFinalizersStartEventID:
heapEvent = HeapEvents.GCFinalizersBegin;
break;
case GCFinalizersStopEventID:
heapEvent = HeapEvents.GCFinalizersEnd;
break;
case ContentionStartEventID:
heapEvent = HeapEvents.ContentionStart;
break;
case ContentionStopEventID:
heapEvent = HeapEvents.ContentionStop;
break;
default:
break;
}
if (heapEvent != HeapEvents.Unknown)
{
ThreadMemoryInfo thread = GetThread(data.ThreadID);
thread.AddEvent(heapEvent, data.TimeStampRelativeMSec);
}
}
