private void OnGCAllocationTick(GCAllocationTickTraceData data)
{
TraceThread thread = data.Thread();
Debug.Assert(thread != null);
if (null == thread)
{
return;
}
// Attempt to charge the allocation to a request.
ScenarioThreadState scenarioThreadState = m_Configuration.ScenarioThreadState[(int)thread.ThreadIndex];
CallStackIndex traceLogCallStackIndex = data.CallStackIndex();
StackSourceCallStackIndex callStackIndex = scenarioThreadState.GetCallStackIndex(m_OutputStackSource, thread, data);
// Add the thread.
StackSourceFrameIndex threadFrameIndex = m_OutputStackSource.Interner.FrameIntern(thread.VerboseThreadName);
callStackIndex = m_OutputStackSource.Interner.CallStackIntern(threadFrameIndex, callStackIndex);
// Get the allocation call stack index.
callStackIndex = m_OutputStackSource.GetCallStack(traceLogCallStackIndex, callStackIndex, null);
// Add the type.
string typeName = data.TypeName;
if (typeName.Length > 0)
{
StackSourceFrameIndex nodeIndex = m_OutputStackSource.Interner.FrameIntern("Type " + data.TypeName);
callStackIndex = m_OutputStackSource.Interner.CallStackIntern(nodeIndex, callStackIndex);
}
// Add a notification for large objects.
if (data.AllocationKind == GCAllocationKind.Large)
{
StackSourceFrameIndex nodeIndex = m_OutputStackSource.Interner.FrameIntern("LargeObject");
callStackIndex = m_OutputStackSource.Interner.CallStackIntern(nodeIndex, callStackIndex);
}
// Set the time.
m_Sample.TimeRelativeMSec = data.TimeStampRelativeMSec;
// Set the metric.
bool seenBadAllocTick = false;
m_Sample.Metric = data.GetAllocAmount(ref seenBadAllocTick);
// Set the stack index.
m_Sample.StackIndex = callStackIndex;
// Add the sample.
m_OutputStackSource.AddSample(m_Sample);
}
/// <summary>
/// Mark the thread as unblocked.
/// </summary>
public void LogBlockingStop(
ComputingResourceStateMachine stateMachine,
TraceThread thread,
TraceEvent data)
{
if ((null == stateMachine) || (null == thread) || (null == data))
{
return;
}
// Only add a sample if the thread was blocked.
if (ThreadBlocked)
{
StackSourceSample sample = stateMachine.Sample;
MutableTraceEventStackSource stackSource = stateMachine.StackSource;
// Set the time and metric.
sample.TimeRelativeMSec = this.BlockTimeStartRelativeMSec;
sample.Metric = (float)(data.TimeStampRelativeMSec - this.BlockTimeStartRelativeMSec);
/* Generate the stack trace. */
CallStackIndex traceLogCallStackIndex = data.CallStackIndex();
ScenarioThreadState scenarioThreadState = stateMachine.Configuration.ScenarioThreadState[ThreadIndex];
StackSourceCallStackIndex callStackIndex = scenarioThreadState.GetCallStackIndex(stateMachine.StackSource, thread, data);
// Add the thread.
StackSourceFrameIndex threadFrameIndex = stackSource.Interner.FrameIntern(thread.VerboseThreadName);
callStackIndex = stackSource.Interner.CallStackIntern(threadFrameIndex, callStackIndex);
// Add the full call stack.
callStackIndex = stackSource.GetCallStack(traceLogCallStackIndex, callStackIndex, null);
// Add Pseud-frames representing the kind of resource.
StackSourceFrameIndex frameIndex = stackSource.Interner.FrameIntern("BLOCKED TIME");
callStackIndex = stackSource.Interner.CallStackIntern(frameIndex, callStackIndex);
// Add the call stack to the sample.
sample.StackIndex = callStackIndex;
// Add the sample.
stackSource.AddSample(sample);
// Mark the thread as executing.
BlockTimeStartRelativeMSec = -1;
}
}
/// <summary>
/// Log a CPU sample on this thread.
/// </summary>
public void LogCPUSample(
ComputingResourceStateMachine stateMachine,
TraceThread thread,
TraceEvent data)
{
if ((null == stateMachine) || (null == thread) || (null == data))
{
return;
}
StackSourceSample sample = stateMachine.Sample;
sample.Metric = 1;
sample.TimeRelativeMSec = data.TimeStampRelativeMSec;
MutableTraceEventStackSource stackSource = stateMachine.StackSource;
// Attempt to charge the CPU to a request.
CallStackIndex traceLogCallStackIndex = data.CallStackIndex();
ScenarioThreadState scenarioThreadState = stateMachine.Configuration.ScenarioThreadState[ThreadIndex];
StackSourceCallStackIndex callStackIndex = scenarioThreadState.GetCallStackIndex(stackSource, thread, data);
// Add the thread.
StackSourceFrameIndex threadFrameIndex = stackSource.Interner.FrameIntern(thread.VerboseThreadName);
callStackIndex = stackSource.Interner.CallStackIntern(threadFrameIndex, callStackIndex);
// Rest of the stack.
// NOTE: Do not pass a call stack map into this method, as it will skew results.
callStackIndex = stackSource.GetCallStack(traceLogCallStackIndex, callStackIndex, null);
// Add the CPU frame.
StackSourceFrameIndex cpuFrameIndex = stackSource.Interner.FrameIntern("CPU");
callStackIndex = stackSource.Interner.CallStackIntern(cpuFrameIndex, callStackIndex);
// Add the sample.
sample.StackIndex = callStackIndex;
stackSource.AddSample(sample);
}